WebSVN – Kolibri OS – Blame – /kernel/trunk/kernel.asm

Rev	Author	Line No.	Line
1	ha	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;;
709	diamond	3	;; Copyright (C) KolibriOS team 2004-2008. All rights reserved.
431	serge	4	;; PROGRAMMING:
		5	;; Ivan Poddubny
		6	;; Marat Zakiyanov (Mario79)
		7	;; VaStaNi
		8	;; Trans
		9	;; Mihail Semenyako (mike.dld)
		10	;; Sergey Kuzmin (Wildwest)
		11	;; Andrey Halyavin (halyavin)
		12	;; Mihail Lisovin (Mihasik)
		13	;; Andrey Ignatiev (andrew_programmer)
		14	;; NoName
		15	;; Evgeny Grechnikov (Diamond)
		16	;; Iliya Mihailov (Ghost)
		17	;; Sergey Semyonov (Serge)
		18	;; Johnny_B
543	spraid	19	;; SPraid (simba)
1	ha	20	;;
431	serge	21	;; Data in this file was originally part of MenuetOS project which is
		22	;; distributed under the terms of GNU GPL. It is modified and redistributed as
		23	;; part of KolibriOS project under the terms of GNU GPL.
1	ha	24	;;
431	serge	25	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
		26	;; PROGRAMMING:
1	ha	27	;;
431	serge	28	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
		29	;; - main os coding/design
		30	;; Jan-Michael Brummer, BUZZ2@gmx.de
		31	;; Felix Kaiser, info@felix-kaiser.de
		32	;; Paolo Minazzi, paolo.minazzi@inwind.it
		33	;; quickcode@mail.ru
		34	;; Alexey, kgaz@crosswinds.net
		35	;; Juan M. Caravaca, bitrider@wanadoo.es
		36	;; kristol@nic.fi
		37	;; Mike Hibbett, mikeh@oceanfree.net
		38	;; Lasse Kuusijarvi, kuusijar@lut.fi
		39	;; Jarek Pelczar, jarekp3@wp.pl
1	ha	40	;;
431	serge	41	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
		42	;; WARRANTY. No author or distributor accepts responsibility to anyone for the
		43	;; consequences of using it or for whether it serves any particular purpose or
		44	;; works at all, unless he says so in writing. Refer to the GNU General Public
		45	;; License (the "GPL") for full details.
		46	;
		47	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
		48	;; but only under the conditions described in the GPL. A copy of this license
		49	;; is supposed to have been given to you along with KolibriOS so you can know
		50	;; your rights and responsibilities. It should be in a file named COPYING.
		51	;; Among other things, the copyright notice and this notice must be preserved
		52	;; on all copies.
		53	;;
1	ha	54	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
426	mikedld	55
		56	include 'macros.inc'
		57
425	victor	58	$Revision: 803 $
426	mikedld	59
593	mikedld	60
769	Rus	61	USE_COM_IRQ equ 1 ;make irq 3 and irq 4 available for PCI devices
566	serge	62
164	serge	63	include "proc32.inc"
7	me_root	64	include "kglobals.inc"
1	ha	65	include "lang.inc"
		66
164	serge	67	include "const.inc"
742	Rus	68	max_processes equ 255
		69	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
1	ha	70
164	serge	71
742	Rus	72	os_stack equ (os_data_l-gdts) ; GDTs
465	serge	73	os_code equ (os_code_l-gdts)
		74	graph_data equ (3+graph_data_l-gdts)
742	Rus	75	tss0 equ (tss0_l-gdts)
465	serge	76	app_code equ (3+app_code_l-gdts)
		77	app_data equ (3+app_data_l-gdts)
586	serge	78	pci_code_sel equ (pci_code_32-gdts)
		79	pci_data_sel equ (pci_data_32-gdts)
1	ha	80
		81
		82	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		83	;;
		84	;; Included files:
		85	;;
		86	;; Kernel16.inc
		87	;; - Booteng.inc English text for bootup
		88	;; - Bootcode.inc Hardware setup
		89	;; - Pci16.inc PCI functions
		90	;;
		91	;; Kernel32.inc
		92	;; - Sys32.inc Process management
		93	;; - Shutdown.inc Shutdown and restart
		94	;; - Fat32.inc Read / write hd
		95	;; - Vesa12.inc Vesa 1.2 driver
		96	;; - Vesa20.inc Vesa 2.0 driver
		97	;; - Vga.inc VGA driver
		98	;; - Stack.inc Network interface
		99	;; - Mouse.inc Mouse pointer
		100	;; - Scincode.inc Window skinning
		101	;; - Pci32.inc PCI functions
		102	;;
		103	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		104
		105
		106	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		107	;; ;;
		108	;; 16 BIT ENTRY FROM BOOTSECTOR ;;
		109	;; ;;
		110	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		111
		112	use16
742	Rus	113	org 0x0
		114	jmp start_of_code
1	ha	115
641	diamond	116	version db 'Kolibri OS version 0.7.1.0 ',13,10,13,10,0
1	ha	117
465	serge	118	include "boot/bootstr.inc" ; language-independent boot messages
1	ha	119	include "boot/preboot.inc"
		120
465	serge	121	if lang eq en
		122	include "boot/booteng.inc" ; english system boot messages
		123	else if lang eq ru
		124	include "boot/bootru.inc" ; russian system boot messages
742	Rus	125	include "boot/ru.inc" ; Russian font
465	serge	126	else if lang eq et
		127	include "boot/bootet.inc" ; estonian system boot messages
742	Rus	128	include "boot/et.inc" ; Estonian font
465	serge	129	else
		130	include "boot/bootge.inc" ; german system boot messages
		131	end if
1	ha	132
465	serge	133	include "boot/bootcode.inc" ; 16 bit system boot code
		134	include "bus/pci/pci16.inc"
709	diamond	135	include "detect/biosdisk.inc"
1	ha	136
		137	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		138	;; ;;
		139	;; SWITCH TO 32 BIT PROTECTED MODE ;;
		140	;; ;;
		141	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		142
		143
		144	; CR0 Flags - Protected mode and Paging
		145
742	Rus	146	mov ecx, CR0_PE
1	ha	147
		148	; Enabling 32 bit protected mode
		149
742	Rus	150	sidt [cs:old_ints_h]
1	ha	151
742	Rus	152	cli ; disable all irqs
		153	cld
		154	mov al,255 ; mask all irqs
		155	out 0xa1,al
		156	out 0x21,al
		157	l.5: in al, 0x64 ; Enable A20
		158	test al, 2
		159	jnz l.5
		160	mov al, 0xD1
		161	out 0x64, al
		162	l.6: in al, 0x64
		163	test al, 2
		164	jnz l.6
		165	mov al, 0xDF
		166	out 0x60, al
		167	l.7: in al, 0x64
		168	test al, 2
		169	jnz l.7
		170	mov al, 0xFF
		171	out 0x64, al
465	serge	172
742	Rus	173	lgdt [cs:tmp_gdt] ; Load GDT
		174	mov eax, cr0 ; protected mode
		175	or eax, ecx
		176	and eax, 10011111b 65536256 + 0xffffff ; caching enabled
		177	mov cr0, eax
		178	jmp pword os_code:B32 ; jmp to enable 32 bit mode
1	ha	179
465	serge	180	align 8
		181	tmp_gdt:
1	ha	182
742	Rus	183	dw 23
		184	dd tmp_gdt+0x10000
		185	dw 0
183	diamond	186
742	Rus	187	dw 0xffff
		188	dw 0x0000
		189	db 0x00
		190	dw 11011111b *256 +10011010b
		191	db 0x00
375	Ghost	192
742	Rus	193	dw 0xffff
		194	dw 0x0000
		195	db 0x00
		196	dw 11011111b *256 +10010010b
		197	db 0x00
1	ha	198
465	serge	199	include "data16.inc"
1	ha	200
465	serge	201	use32
		202	org $+0x10000
1	ha	203
465	serge	204	align 4
		205	B32:
742	Rus	206	mov ax,os_stack ; Selector for os
		207	mov ds,ax
		208	mov es,ax
		209	mov fs,ax
		210	mov gs,ax
		211	mov ss,ax
		212	mov esp,0x3ec00 ; Set stack
1	ha	213
465	serge	214	; CLEAR 0x280000 - HEAP_BASE
1	ha	215
742	Rus	216	xor eax,eax
		217	mov edi,0x280000
		218	mov ecx,(HEAP_BASE-OS_BASE-0x280000) / 4
		219	cld
		220	rep stosd
1	ha	221
742	Rus	222	mov edi,0x40000
		223	mov ecx,(0x90000-0x40000)/4
		224	rep stosd
1	ha	225
465	serge	226	; CLEAR KERNEL UNDEFINED GLOBALS
742	Rus	227	mov edi, endofcode-OS_BASE
		228	mov ecx, (uglobals_size/4)+4
		229	rep stosd
1	ha	230
465	serge	231	; SAVE & CLEAR 0-0xffff
1	ha	232
742	Rus	233	xor esi, esi
		234	mov edi,0x2F0000
		235	mov ecx,0x10000 / 4
		236	rep movsd
		237	xor edi, edi
		238	mov ecx,0x10000 / 4
		239	rep stosd
429	serge	240
742	Rus	241	call test_cpu
		242	bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
424	spraid	243
742	Rus	244	call init_BIOS32
465	serge	245	; MEMORY MODEL
742	Rus	246	call mem_test
		247	call init_mem
		248	call init_page_map
1	ha	249
465	serge	250	; ENABLE PAGING
1	ha	251
742	Rus	252	mov eax, sys_pgdir-OS_BASE
		253	mov cr3, eax
1	ha	254
742	Rus	255	mov eax,cr0
		256	or eax,CR0_PG+CR0_WP
		257	mov cr0,eax
1	ha	258
742	Rus	259	lgdt [gdts]
		260	jmp pword os_code:high_code
1	ha	261
513	serge	262	align 4
742	Rus	263	bios32_entry dd ?
		264	tmp_page_tabs dd ?
586	serge	265
498	diamond	266	use16
		267	org $-0x10000
		268	include "boot/shutdown.inc" ; shutdown or restart
		269	org $+0x10000
		270	use32
		271
465	serge	272	__DEBUG__ fix 1
		273	__DEBUG_LEVEL__ fix 1
		274	include 'init.inc'
380	serge	275
465	serge	276	org OS_BASE+$
1	ha	277
465	serge	278	align 4
		279	high_code:
742	Rus	280	mov ax,os_stack
		281	mov bx,app_data
		282	mov ss,ax
		283	add esp, OS_BASE
1	ha	284
742	Rus	285	mov ds,bx
		286	mov es,bx
		287	mov fs,bx
		288	mov gs,bx
1	ha	289
742	Rus	290	bt [cpu_caps], CAPS_PGE
		291	jnc @F
1	ha	292
742	Rus	293	or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL
519	serge	294
742	Rus	295	mov ebx, cr4
		296	or ebx, CR4_PGE
		297	mov cr4, ebx
519	serge	298	@@:
742	Rus	299	xor eax, eax
		300	mov dword [sys_pgdir], eax
		301	mov dword [sys_pgdir+4], eax
519	serge	302
742	Rus	303	mov eax, cr3
		304	mov cr3, eax ; flush TLB
465	serge	305
1	ha	306	; SAVE REAL MODE VARIABLES
742	Rus	307	mov ax, [BOOT_VAR + 0x9031]
		308	mov [IDEContrRegsBaseAddr], ax
76	mario79	309	; --------------- APM ---------------------
465	serge	310
		311	; init selectors
742	Rus	312	mov ebx, [BOOT_VAR+0x9040] ; offset of APM entry point
465	serge	313	movzx eax, word [BOOT_VAR+0x9050] ; real-mode segment base address of
742	Rus	314	; protected-mode 32-bit code segment
465	serge	315	movzx ecx, word [BOOT_VAR+0x9052] ; real-mode segment base address of
742	Rus	316	; protected-mode 16-bit code segment
465	serge	317	movzx edx, word [BOOT_VAR+0x9054] ; real-mode segment base address of
742	Rus	318	; protected-mode 16-bit data segment
465	serge	319
		320	shl eax, 4
		321	mov [dword apm_code_32 + 2], ax
		322	shr eax, 16
		323	mov [dword apm_code_32 + 4], al
		324
		325	shl ecx, 4
		326	mov [dword apm_code_16 + 2], cx
		327	shr ecx, 16
		328	mov [dword apm_code_16 + 4], cl
		329
		330	shl edx, 4
		331	mov [dword apm_data_16 + 2], dx
		332	shr edx, 16
		333	mov [dword apm_data_16 + 4], dl
		334
		335	mov dword[apm_entry], ebx
76	mario79	336	mov word [apm_entry + 4], apm_code_32 - gdts
		337
465	serge	338	mov eax, [BOOT_VAR + 0x9044] ; version & flags
76	mario79	339	mov [apm_vf], eax
		340	; -----------------------------------------
465	serge	341	; movzx eax,byte [BOOT_VAR+0x9010] ; mouse port
1	ha	342	; mov [0xF604],byte 1 ;al
742	Rus	343	mov al, [BOOT_VAR+0x901F] ; DMA access
		344	mov [allow_dma_access], al
		345	mov al,[BOOT_VAR+0x9000] ; bpp
		346	mov [ScreenBPP],al
753	serge	347
742	Rus	348	movzx eax,word [BOOT_VAR+0x900A] ; X max
		349	dec eax
759	Rus	350	mov [Screen_Max_X],eax
742	Rus	351	mov [screen_workarea.right],eax
		352	movzx eax,word [BOOT_VAR+0x900C] ; Y max
		353	dec eax
759	Rus	354	mov [Screen_Max_Y],eax
742	Rus	355	mov [screen_workarea.bottom],eax
		356	movzx eax,word [BOOT_VAR+0x9008] ; screen mode
		357	mov [SCR_MODE],eax
		358	mov eax,[BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add
		359	mov [BANK_SWITCH],eax
		360	mov [BytesPerScanLine],word 640*4 ; Bytes PerScanLine
		361	cmp [SCR_MODE],word 0x13 ; 320x200
		362	je @f
		363	cmp [SCR_MODE],word 0x12 ; VGA 640x480
		364	je @f
		365	mov ax,[BOOT_VAR+0x9001] ; for other modes
		366	mov [BytesPerScanLine],ax
465	serge	367	@@:
742	Rus	368	mov esi, BOOT_VAR+0x9080
		369	movzx ecx, byte [esi-1]
		370	mov [NumBiosDisks], ecx
		371	mov edi, BiosDisksData
		372	rep movsd
1	ha	373
		374	; GRAPHICS ADDRESSES
		375
742	Rus	376	mov byte [BOOT_VAR+0x901e],0x0
		377	mov eax,[BOOT_VAR+0x9018]
		378	mov [LFBAddress],eax
1	ha	379
742	Rus	380	cmp [SCR_MODE],word 0100000000000000b
		381	jge setvesa20
		382	cmp [SCR_MODE],word 0x13
		383	je v20ga32
		384	mov [PUTPIXEL],dword Vesa12_putpixel24 ; Vesa 1.2
		385	mov [GETPIXEL],dword Vesa12_getpixel24
		386	cmp [ScreenBPP],byte 24
		387	jz ga24
		388	mov [PUTPIXEL],dword Vesa12_putpixel32
		389	mov [GETPIXEL],dword Vesa12_getpixel32
1	ha	390	ga24:
742	Rus	391	jmp v20ga24
1	ha	392	setvesa20:
742	Rus	393	mov [PUTPIXEL],dword Vesa20_putpixel24 ; Vesa 2.0
		394	mov [GETPIXEL],dword Vesa20_getpixel24
		395	cmp [ScreenBPP],byte 24
		396	jz v20ga24
1	ha	397	v20ga32:
742	Rus	398	mov [PUTPIXEL],dword Vesa20_putpixel32
		399	mov [GETPIXEL],dword Vesa20_getpixel32
1	ha	400	v20ga24:
742	Rus	401	cmp [SCR_MODE],word 0x12 ; 16 C VGA 640x480
		402	jne no_mode_0x12
		403	mov [PUTPIXEL],dword VGA_putpixel
		404	mov [GETPIXEL],dword Vesa20_getpixel32
1	ha	405	no_mode_0x12:
		406
375	Ghost	407	; -------- Fast System Call init ----------
378	serge	408	; Intel SYSENTER/SYSEXIT (AMD CPU support it too)
742	Rus	409	bt [cpu_caps], CAPS_SEP
		410	jnc .SEnP ; SysEnter not Present
		411	xor edx, edx
		412	mov ecx, MSR_SYSENTER_CS
		413	mov eax, os_code
		414	wrmsr
		415	mov ecx, MSR_SYSENTER_ESP
434	diamond	416	; mov eax, sysenter_stack ; Check it
742	Rus	417	xor eax, eax
		418	wrmsr
		419	mov ecx, MSR_SYSENTER_EIP
		420	mov eax, sysenter_entry
		421	wrmsr
375	Ghost	422	.SEnP:
378	serge	423	; AMD SYSCALL/SYSRET
742	Rus	424	cmp byte[cpu_vendor], 'A'
		425	jne .noSYSCALL
		426	mov eax, 0x80000001
		427	cpuid
		428	test edx, 0x800 ; bit_11 - SYSCALL/SYSRET support
		429	jz .noSYSCALL
		430	mov ecx, MSR_AMD_EFER
		431	rdmsr
		432	or eax, 1 ; bit_0 - System Call Extension (SCE)
		433	wrmsr
164	serge	434
375	Ghost	435	; !!!! It`s dirty hack, fix it !!!
		436	; Bits of EDX :
		437	; Bit 31�16 During the SYSRET instruction, this field is copied into the CS register
		438	; and the contents of this field, plus 8, are copied into the SS register.
		439	; Bit 15�0 During the SYSCALL instruction, this field is copied into the CS register
		440	; and the contents of this field, plus 8, are copied into the SS register.
		441
742	Rus	442	; mov edx, (os_code + 16) * 65536 + os_code
		443	mov edx, 0x1B0008
375	Ghost	444
742	Rus	445	mov eax, syscall_entry
		446	mov ecx, MSR_AMD_STAR
		447	wrmsr
375	Ghost	448	.noSYSCALL:
		449	; -----------------------------------------
		450
465	serge	451	; LOAD IDT
378	serge	452
742	Rus	453	call build_interrupt_table
		454	lidt [idtreg]
378	serge	455
742	Rus	456	call init_kernel_heap
		457	stdcall kernel_alloc, RING0_STACK_SIZE+512
		458	mov [os_stack_seg], eax
164	serge	459
742	Rus	460	lea esp, [eax+RING0_STACK_SIZE]
164	serge	461
742	Rus	462	mov [tss._ss0], os_stack
		463	mov [tss._esp0], esp
		464	mov [tss._esp], esp
		465	mov [tss._cs],os_code
		466	mov [tss._ss],os_stack
		467	mov [tss._ds],app_data
		468	mov [tss._es],app_data
		469	mov [tss._fs],app_data
		470	mov [tss._gs],app_data
		471	mov [tss._io],128
465	serge	472	;Add IO access table - bit array of permitted ports
742	Rus	473	mov edi, tss._io_map_0
		474	xor eax, eax
		475	not eax
		476	mov ecx, 8192/4
		477	rep stosd ; access to 4096*8=65536 ports
164	serge	478
742	Rus	479	mov ax,tss0
		480	ltr ax
378	serge	481
742	Rus	482	mov [LFBSize], 0x800000
		483	call init_LFB
		484	call init_fpu
		485	call init_malloc
276	serge	486
742	Rus	487	stdcall alloc_kernel_space, 0x51000
		488	mov [default_io_map], eax
465	serge	489
742	Rus	490	add eax, 0x2000
		491	mov [ipc_tmp], eax
		492	mov ebx, 0x1000
164	serge	493
742	Rus	494	add eax, 0x40000
		495	mov [proc_mem_map], eax
164	serge	496
742	Rus	497	add eax, 0x8000
		498	mov [proc_mem_pdir], eax
164	serge	499
742	Rus	500	add eax, ebx
		501	mov [proc_mem_tab], eax
164	serge	502
742	Rus	503	add eax, ebx
		504	mov [tmp_task_pdir], eax
164	serge	505
742	Rus	506	add eax, ebx
		507	mov [tmp_task_ptab], eax
164	serge	508
742	Rus	509	add eax, ebx
		510	mov [ipc_pdir], eax
164	serge	511
742	Rus	512	add eax, ebx
		513	mov [ipc_ptab], eax
164	serge	514
742	Rus	515	stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
		516	(unpack.lc+unpack.lp)))*4
712	serge	517
742	Rus	518	mov [unpack.p], eax
709	diamond	519
742	Rus	520	call init_events
		521	mov eax, srv.fd-SRV_FD_OFFSET
		522	mov [srv.fd], eax
		523	mov [srv.bk], eax
278	serge	524
742	Rus	525	mov edi, irq_tab
		526	xor eax, eax
		527	mov ecx, 16
		528	rep stosd
164	serge	529
41	mikedld	530	;Set base of graphic segment to linear address of LFB
742	Rus	531	mov eax,[LFBAddress] ; set for gs
		532	mov [graph_data_l+2],ax
		533	shr eax,16
		534	mov [graph_data_l+4],al
		535	mov [graph_data_l+7],ah
1	ha	536
742	Rus	537	mov [CURRENT_TASK],dword 1
		538	mov [TASK_COUNT],dword 1
		539	mov [TASK_BASE],dword TASK_DATA
		540	mov [current_slot], SLOT_BASE+256
429	serge	541
469	serge	542	; set background
742	Rus	543	xor eax,eax
		544	inc eax
		545	mov [BgrDrawMode],eax
		546	mov [BgrDataWidth],eax
		547	mov [BgrDataHeight],eax
		548	mov [mem_BACKGROUND],4095
		549	stdcall kernel_alloc, [mem_BACKGROUND]
		550	mov [img_background], eax
469	serge	551
742	Rus	552	mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE
469	serge	553
709	diamond	554	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
		555
742	Rus	556	call rerouteirqs
709	diamond	557
		558	; Initialize system V86 machine
742	Rus	559	call init_sys_v86
709	diamond	560
725	diamond	561	; TIMER SET TO 1/100 S
		562
742	Rus	563	mov al,0x34 ; set to 100Hz
		564	out 0x43,al
		565	mov al,0x9b ; lsb 1193180 / 1193
		566	out 0x40,al
		567	mov al,0x2e ; msb
		568	out 0x40,al
725	diamond	569
		570	; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15)
		571	; they are used: when partitions are scanned, hd_read relies on timer
742	Rus	572	mov al, 0xFE
		573	out 0x21, al
		574	mov al, 0x3F
		575	out 0xA1, al
725	diamond	576
256	diamond	577	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		578	include 'detect/disks.inc'
		579	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		580
521	diamond	581	call Parser_params
		582
1	ha	583	; READ RAMDISK IMAGE FROM HD
		584
		585	;!!!!!!!!!!!!!!!!!!!!!!!
		586	include 'boot/rdload.inc'
		587	;!!!!!!!!!!!!!!!!!!!!!!!
		588	; mov [dma_hdd],1
		589	; CALCULATE FAT CHAIN FOR RAMDISK
		590
742	Rus	591	call calculatefatchain
1	ha	592
		593	; LOAD VMODE DRIVER
		594
		595	;!!!!!!!!!!!!!!!!!!!!!!!
		596	include 'vmodeld.inc'
		597	;!!!!!!!!!!!!!!!!!!!!!!!
		598
509	diamond	599	mov ax,[OS_BASE+0x10000+bx_from_load]
535	spraid	600	cmp ax,'r1' ; if using not ram disk, then load librares and parameters {SPraid.simba}
488	spraid	601	je no_lib_load
		602	; LOADING LIBRARES
742	Rus	603	stdcall dll.Load,@IMPORT ; loading librares for kernel (.obj files)
		604	call load_file_parse_table ; prepare file parse table
		605	call set_kernel_conf ; configure devices and gui
488	spraid	606	no_lib_load:
		607
1	ha	608	; LOAD FONTS I and II
		609
742	Rus	610	stdcall read_file, char, FONT_I, 0, 2304
		611	stdcall read_file, char2, FONT_II, 0, 2560
490	serge	612
742	Rus	613	mov esi,boot_fonts
		614	call boot_log
1	ha	615
		616	; PRINT AMOUNT OF MEMORY
742	Rus	617	mov esi, boot_memdetect
		618	call boot_log
1	ha	619
742	Rus	620	movzx ecx, word [boot_y]
		621	or ecx, (10+29*6) shl 16 ; "Determining amount of memory"
		622	sub ecx, 10
		623	mov edx, 0xFFFFFF
		624	mov ebx, [MEM_AMOUNT]
		625	shr ebx, 20
		626	mov edi, 1
		627	mov eax, 0x00040000
		628	call display_number_force
41	mikedld	629
465	serge	630	; BUILD SCHEDULER
		631
742	Rus	632	call build_scheduler ; sys32.inc
465	serge	633
742	Rus	634	mov esi,boot_devices
		635	call boot_log
567	serge	636
742	Rus	637	mov [pci_access_enabled],1
567	serge	638
1	ha	639
		640	; SET PRELIMINARY WINDOW STACK AND POSITIONS
		641
742	Rus	642	mov esi,boot_windefs
		643	call boot_log
		644	call setwindowdefaults
1	ha	645
		646	; SET BACKGROUND DEFAULTS
		647
742	Rus	648	mov esi,boot_bgr
		649	call boot_log
		650	call init_background
		651	call calculatebackground
1	ha	652
		653	; RESERVE SYSTEM IRQ'S JA PORT'S
		654
742	Rus	655	mov esi,boot_resirqports
		656	call boot_log
		657	call reserve_irqs_ports
1	ha	658
		659	; SET PORTS FOR IRQ HANDLERS
		660
742	Rus	661	mov esi,boot_setrports
		662	call boot_log
769	Rus	663	;call setirqreadports
1	ha	664
		665	; SET UP OS TASK
		666
742	Rus	667	mov esi,boot_setostask
		668	call boot_log
214	serge	669
742	Rus	670	xor eax, eax
		671	mov dword [SLOT_BASE+APPDATA.fpu_state], fpu_data
		672	mov dword [SLOT_BASE+APPDATA.fpu_handler], eax
		673	mov dword [SLOT_BASE+APPDATA.sse_handler], eax
164	serge	674
742	Rus	675	; name for OS/IDLE process
281	serge	676
742	Rus	677	mov dword [SLOT_BASE+256+APPDATA.app_name], dword 'OS/I'
		678	mov dword [SLOT_BASE+256+APPDATA.app_name+4], dword 'DLE '
		679	mov edi, [os_stack_seg]
		680	mov dword [SLOT_BASE+256+APPDATA.pl0_stack], edi
		681	add edi, 0x2000-512
		682	mov dword [SLOT_BASE+256+APPDATA.fpu_state], edi
		683	mov dword [SLOT_BASE+256+APPDATA.saved_esp0], edi ; just for case
		684	mov dword [SLOT_BASE+256+APPDATA.io_map],\
		685	(tss._io_map_0-OS_BASE+PG_MAP)
		686	mov dword [SLOT_BASE+256+APPDATA.io_map+4],\
		687	(tss._io_map_1-OS_BASE+PG_MAP)
357	serge	688
742	Rus	689	mov esi, fpu_data
		690	mov ecx, 512/4
		691	cld
		692	rep movsd
357	serge	693
742	Rus	694	mov dword [SLOT_BASE+256+APPDATA.fpu_handler], eax
		695	mov dword [SLOT_BASE+256+APPDATA.sse_handler], eax
214	serge	696
742	Rus	697	mov ebx, SLOT_BASE+256+APP_OBJ_OFFSET
		698	mov dword [SLOT_BASE+256+APPDATA.fd_obj], ebx
		699	mov dword [SLOT_BASE+256+APPDATA.bk_obj], ebx
281	serge	700
742	Rus	701	mov dword [SLOT_BASE+256+APPDATA.cur_dir], sysdir_path
521	diamond	702
742	Rus	703	; task list
		704	mov [CURRENT_TASK],dword 1
		705	mov [TASK_COUNT],dword 1
		706	mov [current_slot], SLOT_BASE+256
		707	mov [TASK_BASE],dword TASK_DATA
		708	mov [TASK_DATA+TASKDATA.wnd_number], 1 ; on screen number
		709	mov [TASK_DATA+TASKDATA.pid], 1 ; process id number
		710	mov [TASK_DATA+TASKDATA.mem_start], 0 ; process base address
1	ha	711
742	Rus	712	call init_cursors
802	serge	713	mov eax, [def_cursor]
742	Rus	714	mov [SLOT_BASE+APPDATA.cursor],eax
		715	mov [SLOT_BASE+APPDATA.cursor+256],eax
281	serge	716
465	serge	717	; READ TSC / SECOND
281	serge	718
742	Rus	719	mov esi,boot_tsc
		720	call boot_log
		721	cli
		722	call _rdtsc
		723	mov ecx,eax
		724	mov esi,250 ; wait 1/4 a second
		725	call delay_ms
		726	call _rdtsc
		727	sti
		728	sub eax,ecx
		729	shl eax,2
		730	mov [CPU_FREQ],eax ; save tsc / sec
		731	mov ebx, 1000000
		732	div ebx
		733	mov [stall_mcs], eax
1	ha	734
		735	; SET VARIABLES
		736
742	Rus	737	call set_variables
1	ha	738
774	Rus	739	; SET MOUSE
		740
		741	;call detect_devices
		742	stdcall load_driver, szPS2MDriver
		743	stdcall load_driver, szCOM_MDriver
		744
		745	mov esi,boot_setmouse
		746	call boot_log
		747	call setmouse
		748
		749
1	ha	750	; STACK AND FDC
		751
742	Rus	752	call stack_init
		753	call fdc_init
1	ha	754
		755	; PALETTE FOR 320x200 and 640x480 16 col
		756
742	Rus	757	cmp [SCR_MODE],word 0x12
		758	jne no_pal_vga
		759	mov esi,boot_pal_vga
		760	call boot_log
		761	call paletteVGA
1	ha	762	no_pal_vga:
		763
742	Rus	764	cmp [SCR_MODE],word 0x13
		765	jne no_pal_ega
		766	mov esi,boot_pal_ega
		767	call boot_log
		768	call palette320x200
1	ha	769	no_pal_ega:
		770
		771	; LOAD DEFAULT SKIN
		772
742	Rus	773	call load_default_skin
1	ha	774
465	serge	775	;protect io permission map
		776
742	Rus	777	mov esi, [default_io_map]
		778	stdcall map_page,esi,(tss._io_map_0-OS_BASE), PG_MAP
		779	add esi, 0x1000
		780	stdcall map_page,esi,(tss._io_map_1-OS_BASE), PG_MAP
465	serge	781
742	Rus	782	stdcall map_page,tss._io_map_0,\
		783	(tss._io_map_0-OS_BASE), PG_MAP
		784	stdcall map_page,tss._io_map_1,\
		785	(tss._io_map_1-OS_BASE), PG_MAP
465	serge	786
512	spraid	787	mov ax,[OS_BASE+0x10000+bx_from_load]
535	spraid	788	cmp ax,'r1' ; if not rused ram disk - load network configuration from files {SPraid.simba}
512	spraid	789	je no_st_network
742	Rus	790	call set_network_conf
512	spraid	791	no_st_network:
		792
1	ha	793	; LOAD FIRST APPLICATION
742	Rus	794	cli
501	serge	795
742	Rus	796	cmp byte [BOOT_VAR+0x9030],1
		797	jne no_load_vrr_m
237	serge	798
742	Rus	799	mov ebp, vrr_m
		800	call fs_execute_from_sysdir
488	spraid	801
742	Rus	802	cmp eax,2 ; if vrr_m app found (PID=2)
		803	je first_app_found
41	mikedld	804
237	serge	805	no_load_vrr_m:
488	spraid	806
742	Rus	807	mov ebp, firstapp
		808	call fs_execute_from_sysdir
488	spraid	809
742	Rus	810	cmp eax,2 ; continue if a process has been loaded
		811	je first_app_found
501	serge	812
742	Rus	813	mov esi, boot_failed
		814	call boot_log
653	diamond	815
742	Rus	816	mov eax, 0xDEADBEEF ; otherwise halt
		817	hlt
501	serge	818
237	serge	819	first_app_found:
501	serge	820
742	Rus	821	cli
1	ha	822
742	Rus	823	;mov [TASK_COUNT],dword 2
		824	mov [CURRENT_TASK],dword 1 ; set OS task fisrt
1	ha	825
21	poddubny	826	; SET KEYBOARD PARAMETERS
742	Rus	827	mov al, 0xf6 ; reset keyboard, scan enabled
		828	call kb_write
1	ha	829
742	Rus	830	; wait until 8042 is ready
		831	xor ecx,ecx
265	diamond	832	@@:
742	Rus	833	in al,64h
		834	and al,00000010b
		835	loopnz @b
1	ha	836
		837	; mov al, 0xED ; svetodiody - only for testing!
		838	; call kb_write
		839	; call kb_read
		840	; mov al, 111b
		841	; call kb_write
		842	; call kb_read
41	mikedld	843
742	Rus	844	mov al, 0xF3 ; set repeat rate & delay
		845	call kb_write
265	diamond	846	; call kb_read
742	Rus	847	mov al, 0 ; 30 250 ;00100010b ; 24 500 ;00100100b ; 20 500
		848	call kb_write
265	diamond	849	; call kb_read
1	ha	850	;// mike.dld [
742	Rus	851	call set_lights
1	ha	852	;// mike.dld ]
		853
21	poddubny	854	; START MULTITASKING
1	ha	855
767	diamond	856	if preboot_blogesc
769	Rus	857	mov esi, boot_tasking
		858	call boot_log
		859	.bll1: in al, 0x60 ; wait for ESC key press
		860	cmp al, 129
		861	jne .bll1
767	diamond	862	end if
		863
465	serge	864	; mov [ENABLE_TASKSWITCH],byte 1 ; multitasking enabled
21	poddubny	865
1	ha	866	; UNMASK ALL IRQ'S
		867
742	Rus	868	mov esi,boot_allirqs
		869	call boot_log
41	mikedld	870
742	Rus	871	cli ;guarantee forbidance of interrupts.
		872	mov al,0 ; unmask all irq's
		873	out 0xA1,al
		874	out 0x21,al
1	ha	875
742	Rus	876	mov ecx,32
1	ha	877
		878	ready_for_irqs:
		879
742	Rus	880	mov al,0x20 ; ready for irqs
		881	out 0x20,al
		882	out 0xa0,al
1	ha	883
742	Rus	884	loop ready_for_irqs ; flush the queue
1	ha	885
774	Rus	886	stdcall attach_int_handler, dword 1, irq1, dword 0
164	serge	887
1	ha	888	; mov [dma_hdd],1
742	Rus	889	cmp [IDEContrRegsBaseAddr], 0
		890	setnz [dma_hdd]
		891	mov [timer_ticks_enable],1 ; for cd driver
1	ha	892
465	serge	893	; stdcall init_uart_service, DRV_ENTRY
		894
742	Rus	895	sti
		896	call change_task
465	serge	897
742	Rus	898	jmp osloop
465	serge	899
725	diamond	900	; jmp $ ; wait here for timer to take control
1	ha	901
742	Rus	902	; Fly :)
1	ha	903
465	serge	904	include 'unpacker.inc'
		905	include 'fdo.inc'
		906
		907	align 4
		908	boot_log:
742	Rus	909	pushad
465	serge	910
742	Rus	911	mov ebx,10*65536
		912	mov bx,word [boot_y]
		913	add [boot_y],dword 10
		914	mov ecx,0x80ffffff ; ASCIIZ string with white color
		915	mov edx,esi
		916	mov edi,1
		917	call dtext
465	serge	918
742	Rus	919	mov [novesachecksum],1000
		920	call checkVga_N13
465	serge	921
764	Rus	922	popad
465	serge	923
742	Rus	924	ret
465	serge	925
		926
1	ha	927	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		928	; ;
33	mario79	929	; MAIN OS LOOP START ;
1	ha	930	; ;
		931	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		932	align 32
		933	osloop:
742	Rus	934	call [draw_pointer]
		935	call checkbuttons
		936	call checkwindows
49	mikedld	937	; call check_window_move_request
742	Rus	938	call checkmisc
		939	call checkVga_N13
		940	call stack_handler
		941	call checkidle
		942	call check_fdd_motor_status
		943	call check_ATAPI_device_event
		944	jmp osloop
33	mario79	945	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		946	; ;
		947	; MAIN OS LOOP END ;
		948	; ;
		949	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1	ha	950
		951	checkidle:
742	Rus	952	pushad
1	ha	953
742	Rus	954	cmp [check_idle_semaphore],0
		955	jne no_idle_state
1	ha	956
742	Rus	957	call change_task
		958	mov eax,[idlemem]
		959	mov ebx,[timer_ticks] ;[0xfdf0]
		960	cmp eax,ebx
		961	jnz idle_exit
		962	call _rdtsc
		963	mov ecx,eax
1	ha	964	idle_loop:
742	Rus	965	hlt
		966	cmp [check_idle_semaphore],0
		967	jne idle_loop_exit
		968	mov eax,[timer_ticks] ;[0xfdf0]
		969	cmp ebx,eax
		970	jz idle_loop
1	ha	971	idle_loop_exit:
742	Rus	972	mov [idlemem],eax
		973	call _rdtsc
		974	sub eax,ecx
		975	mov ebx,[idleuse]
		976	add ebx,eax
		977	mov [idleuse],ebx
1	ha	978
742	Rus	979	popad
		980	ret
1	ha	981
		982	idle_exit:
		983
742	Rus	984	mov ebx,[timer_ticks] ;[0xfdf0]
		985	mov [idlemem],ebx
		986	call change_task
1	ha	987
742	Rus	988	popad
		989	ret
1	ha	990
		991	no_idle_state:
		992
742	Rus	993	dec [check_idle_semaphore]
1	ha	994
742	Rus	995	mov ebx,[timer_ticks] ;[0xfdf0]
		996	mov [idlemem],ebx
		997	call change_task
1	ha	998
742	Rus	999	popad
		1000	ret
1	ha	1001
		1002	uglobal
742	Rus	1003	idlemem dd 0x0
		1004	idleuse dd 0x0
		1005	idleusesec dd 0x0
		1006	check_idle_semaphore dd 0x0
1	ha	1007	endg
		1008
		1009
		1010
		1011	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1012	; ;
		1013	; INCLUDED SYSTEM FILES ;
		1014	; ;
		1015	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1016
		1017
7	me_root	1018	include "kernel32.inc"
1	ha	1019
		1020
		1021	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1022	; ;
		1023	; KERNEL FUNCTIONS ;
		1024	; ;
		1025	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1026
		1027	reserve_irqs_ports:
		1028
742	Rus	1029	pushad
1	ha	1030
742	Rus	1031	mov [irq_owner+4*0], 1 ; timer
769	Rus	1032	;mov [irq_owner+4*1], 1 ; keyboard
742	Rus	1033	mov [irq_owner+4*6], 1 ; floppy diskette
		1034	mov [irq_owner+4*13], 1 ; math co-pros
		1035	mov [irq_owner+4*14], 1 ; ide I
		1036	mov [irq_owner+4*15], 1 ; ide II
465	serge	1037
671	Ghost	1038	; RESERVE PORTS
742	Rus	1039	mov edi,1 ; 0x00-0x2d
		1040	mov [RESERVED_PORTS],edi
		1041	shl edi,4
		1042	mov [RESERVED_PORTS+edi+0],dword 1
		1043	mov [RESERVED_PORTS+edi+4],dword 0x0
		1044	mov [RESERVED_PORTS+edi+8],dword 0x2d
269	serge	1045
742	Rus	1046	inc dword [RESERVED_PORTS] ; 0x30-0x4d
		1047	mov edi,[RESERVED_PORTS]
		1048	shl edi,4
		1049	mov [RESERVED_PORTS+edi+0],dword 1
		1050	mov [RESERVED_PORTS+edi+4],dword 0x30
		1051	mov [RESERVED_PORTS+edi+8],dword 0x4d
269	serge	1052
742	Rus	1053	inc dword [RESERVED_PORTS] ; 0x50-0xdf
		1054	mov edi,[RESERVED_PORTS]
		1055	shl edi,4
		1056	mov [RESERVED_PORTS+edi+0],dword 1
		1057	mov [RESERVED_PORTS+edi+4],dword 0x50
		1058	mov [RESERVED_PORTS+edi+8],dword 0xdf
233	serge	1059
742	Rus	1060	inc dword [RESERVED_PORTS] ; 0xe5-0xff
		1061	mov edi,[RESERVED_PORTS]
		1062	shl edi,4
		1063	mov [RESERVED_PORTS+edi+0],dword 1
		1064	mov [RESERVED_PORTS+edi+4],dword 0xe5
		1065	mov [RESERVED_PORTS+edi+8],dword 0xff
233	serge	1066
742	Rus	1067	popad
		1068	ret
1	ha	1069
		1070	setirqreadports:
		1071
742	Rus	1072	mov [irq12read+0],dword 0x60 + 0x01000000 ; read port 0x60 , byte
		1073	mov [irq12read+4],dword 0 ; end of port list
769	Rus	1074	;mov [irq04read+0],dword 0x3f8 + 0x01000000 ; read port 0x3f8 , byte
		1075	;mov [irq04read+4],dword 0 ; end of port list
		1076	;mov [irq03read+0],dword 0x2f8 + 0x01000000 ; read port 0x2f8 , byte
		1077	;mov [irq03read+4],dword 0 ; end of port list
1	ha	1078
742	Rus	1079	ret
1	ha	1080
		1081	iglobal
		1082	process_number dd 0x1
		1083	endg
		1084
		1085	set_variables:
		1086
742	Rus	1087	mov ecx,0x100 ; flush port 0x60
		1088	.fl60: in al,0x60
		1089	loop .fl60
		1090	mov [MOUSE_BUFF_COUNT],byte 0 ; mouse buffer
		1091	mov [KEY_COUNT],byte 0 ; keyboard buffer
		1092	mov [BTN_COUNT],byte 0 ; button buffer
381	serge	1093	; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y
1	ha	1094
742	Rus	1095	push eax
		1096	mov ax,[BOOT_VAR+0x900c]
		1097	shr ax,1
		1098	shl eax,16
		1099	mov ax,[BOOT_VAR+0x900A]
		1100	shr ax,1
		1101	mov [MOUSE_X],eax
		1102	pop eax
41	mikedld	1103
802	serge	1104	mov [BTN_ADDR],dword BUTTON_INFO ; address of button list
1	ha	1105
		1106	;!! IP 04.02.2005:
742	Rus	1107	mov [next_usage_update], 100
		1108	mov byte [DONT_SWITCH], 0 ; change task if possible
1	ha	1109
742	Rus	1110	ret
1	ha	1111
		1112	;* mouse centered - start code- Mario79
		1113	mouse_centered:
742	Rus	1114	push eax
759	Rus	1115	mov eax,[Screen_Max_X]
742	Rus	1116	shr eax,1
		1117	mov [MOUSE_X],ax
759	Rus	1118	mov eax,[Screen_Max_Y]
742	Rus	1119	shr eax,1
		1120	mov [MOUSE_Y],ax
		1121	pop eax
		1122	ret
1	ha	1123	;* mouse centered - end code- Mario79
		1124
		1125	align 4
		1126
		1127	sys_outport:
		1128
742	Rus	1129	mov edi,ebx ; separate flag for read / write
1	ha	1130	and ebx,65535
		1131
381	serge	1132	mov ecx,[RESERVED_PORTS]
1	ha	1133	test ecx,ecx
		1134	jne sopl8
		1135	mov [esp+36],dword 1
		1136	ret
		1137
		1138	sopl8:
379	serge	1139	mov edx,[TASK_BASE]
1	ha	1140	mov edx,[edx+0x4]
		1141	and ebx,65535
		1142	cld
		1143	sopl1:
		1144
		1145	mov esi,ecx
		1146	shl esi,4
381	serge	1147	add esi,RESERVED_PORTS
1	ha	1148	cmp edx,[esi+0]
		1149	jne sopl2
		1150	cmp ebx,[esi+4]
742	Rus	1151	jb sopl2
1	ha	1152	cmp ebx,[esi+8]
742	Rus	1153	jg sopl2
1	ha	1154	jmp sopl3
		1155
		1156	sopl2:
		1157
		1158	dec ecx
		1159	jnz sopl1
		1160	mov [esp+36],dword 1
		1161	ret
		1162
		1163	sopl3:
		1164
		1165	test edi,0x80000000 ; read ?
		1166	jnz sopl4
		1167
742	Rus	1168	mov dx,bx ; write
1	ha	1169	out dx,al
		1170	mov [esp+36],dword 0
		1171	ret
		1172
		1173	sopl4:
		1174
742	Rus	1175	mov dx,bx ; read
		1176	in al,dx
1	ha	1177	and eax,0xff
		1178	mov [esp+36],dword 0
		1179	mov [esp+24],eax
		1180	ret
		1181
		1182	display_number:
		1183
		1184	; eax = print type, al=0 -> ebx is number
		1185	; al=1 -> ebx is pointer
		1186	; ah=0 -> display decimal
		1187	; ah=1 -> display hexadecimal
		1188	; ah=2 -> display binary
		1189	; eax bits 16-21 = number of digits to display (0-32)
		1190	; eax bits 22-31 = reserved
		1191	;
		1192	; ebx = number or pointer
		1193	; ecx = x shl 16 + y
		1194	; edx = color
655	mario79	1195	xor edi, edi
211	serge	1196	display_number_force:
652	mario79	1197	push eax
655	mario79	1198	and eax,0x3fffffff
		1199	cmp eax,0xffff ; length > 0 ?
		1200	pop eax
1	ha	1201	jge cont_displ
		1202	ret
		1203	cont_displ:
652	mario79	1204	push eax
655	mario79	1205	and eax,0x3fffffff
		1206	cmp eax,61*0x10000 ; length <= 60 ?
		1207	pop eax
75	diamond	1208	jb cont_displ2
1	ha	1209	ret
		1210	cont_displ2:
		1211
		1212	pushad
		1213
655	mario79	1214	cmp al,1 ; ecx is a pointer ?
1	ha	1215	jne displnl1
655	mario79	1216	mov ebp,ebx
		1217	add ebp,4
		1218	mov ebp,[ebp+std_application_base_address]
139	diamond	1219	mov ebx,[ebx+std_application_base_address]
1	ha	1220	displnl1:
		1221	sub esp,64
		1222
655	mario79	1223	cmp ah,0 ; DECIMAL
1	ha	1224	jne no_display_desnum
		1225	shr eax,16
655	mario79	1226	and eax,0xC03f
652	mario79	1227	; and eax,0x3f
		1228	push eax
75	diamond	1229	and eax,0x3f
1	ha	1230	mov edi,esp
194	diamond	1231	add edi,4+64-1
1	ha	1232	mov ecx,eax
		1233	mov eax,ebx
		1234	mov ebx,10
		1235	d_desnum:
		1236	xor edx,edx
655	mario79	1237	call division_64_bits
1	ha	1238	div ebx
		1239	add dl,48
		1240	mov [edi],dl
		1241	dec edi
		1242	loop d_desnum
		1243	pop eax
652	mario79	1244	call normalize_number
1	ha	1245	call draw_num_text
		1246	add esp,64
		1247	popad
		1248	ret
		1249	no_display_desnum:
		1250
655	mario79	1251	cmp ah,0x01 ; HEXADECIMAL
1	ha	1252	jne no_display_hexnum
		1253	shr eax,16
655	mario79	1254	and eax,0xC03f
652	mario79	1255	; and eax,0x3f
		1256	push eax
75	diamond	1257	and eax,0x3f
1	ha	1258	mov edi,esp
194	diamond	1259	add edi,4+64-1
1	ha	1260	mov ecx,eax
		1261	mov eax,ebx
		1262	mov ebx,16
		1263	d_hexnum:
		1264	xor edx,edx
655	mario79	1265	call division_64_bits
1	ha	1266	div ebx
		1267	add edx,hexletters
		1268	mov dl,[edx]
		1269	mov [edi],dl
		1270	dec edi
		1271	loop d_hexnum
		1272	pop eax
652	mario79	1273	call normalize_number
1	ha	1274	call draw_num_text
		1275	add esp,64
		1276	popad
		1277	ret
		1278	no_display_hexnum:
		1279
655	mario79	1280	cmp ah,0x02 ; BINARY
1	ha	1281	jne no_display_binnum
		1282	shr eax,16
655	mario79	1283	and eax,0xC03f
652	mario79	1284	; and eax,0x3f
		1285	push eax
75	diamond	1286	and eax,0x3f
1	ha	1287	mov edi,esp
194	diamond	1288	add edi,4+64-1
1	ha	1289	mov ecx,eax
		1290	mov eax,ebx
		1291	mov ebx,2
		1292	d_binnum:
		1293	xor edx,edx
655	mario79	1294	call division_64_bits
1	ha	1295	div ebx
		1296	add dl,48
		1297	mov [edi],dl
		1298	dec edi
		1299	loop d_binnum
		1300	pop eax
652	mario79	1301	call normalize_number
1	ha	1302	call draw_num_text
		1303	add esp,64
		1304	popad
		1305	ret
		1306	no_display_binnum:
		1307
		1308	add esp,64
		1309	popad
		1310	ret
		1311
652	mario79	1312	normalize_number:
		1313	test ah,0x80
		1314	jz .continue
		1315	mov ecx,48
		1316	and eax,0x3f
		1317	@@:
		1318	inc edi
		1319	cmp [edi],cl
		1320	jne .continue
		1321	dec eax
		1322	cmp eax,1
665	diamond	1323	ja @r
		1324	mov al,1
652	mario79	1325	.continue:
		1326	and eax,0x3f
		1327	ret
1	ha	1328
655	mario79	1329	division_64_bits:
		1330	test [esp+1+4],byte 0x40
		1331	jz .continue
		1332	push eax
		1333	mov eax,ebp
		1334	div ebx
		1335	mov ebp,eax
		1336	pop eax
		1337	.continue:
		1338	ret
652	mario79	1339
1	ha	1340	draw_num_text:
684	diamond	1341	mov esi,eax
		1342	mov edx,64+4
		1343	sub edx,eax
		1344	add edx,esp
		1345	mov ebx,[esp+64+32-8+4]
		1346	; add window start x & y
		1347	mov ecx,[TASK_BASE]
465	serge	1348
		1349	mov edi,[CURRENT_TASK]
		1350	shl edi,8
		1351
684	diamond	1352	mov eax,[ecx-twdw+WDATA.box.left]
		1353	add eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
		1354	shl eax,16
		1355	add eax,[ecx-twdw+WDATA.box.top]
		1356	add eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
		1357	add ebx,eax
		1358	mov ecx,[esp+64+32-12+4]
742	Rus	1359	and ecx, not 0x80000000 ; force counted string
		1360	mov eax, [esp+64+8] ; background color (if given)
		1361	mov edi, [esp+64+4]
139	diamond	1362	jmp dtext
1	ha	1363
		1364	align 4
		1365
		1366	sys_setup:
		1367
		1368	; 1=roland mpu midi base , base io address
		1369	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1370	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1371	; 5=system language, 1eng 2fi 3ger 4rus
		1372	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1373	; 8=fat32 partition in hd
		1374	; 9
		1375	; 10 = sound dma channel
		1376	; 11 = enable lba read
		1377	; 12 = enable pci access
		1378
		1379
		1380	mov [esp+36],dword 0
742	Rus	1381	cmp eax,1 ; MIDI
1	ha	1382	jnz nsyse1
		1383	cmp ebx,0x100
		1384	jb nsyse1
		1385	mov edx,65535
		1386	cmp edx,ebx
		1387	jb nsyse1
		1388	mov [midi_base],bx
		1389	mov word [mididp],bx
		1390	inc bx
		1391	mov word [midisp],bx
		1392	ret
		1393
283	diamond	1394	iglobal
1	ha	1395	midi_base dw 0
283	diamond	1396	endg
1	ha	1397
		1398	nsyse1:
		1399
742	Rus	1400	cmp eax,2 ; KEYBOARD
1	ha	1401	jnz nsyse2
		1402	cmp ebx,1
		1403	jnz kbnobase
379	serge	1404	mov edi,[TASK_BASE]
115	poddubny	1405	add ecx,[edi+TASKDATA.mem_start]
1	ha	1406	mov eax,ecx
		1407	mov ebx,keymap
		1408	mov ecx,128
		1409	call memmove
		1410	ret
		1411	kbnobase:
		1412	cmp ebx,2
		1413	jnz kbnoshift
379	serge	1414	mov edi,[TASK_BASE]
115	poddubny	1415	add ecx,[edi+TASKDATA.mem_start]
1	ha	1416	mov eax,ecx
		1417	mov ebx,keymap_shift
		1418	mov ecx,128
		1419	call memmove
		1420	ret
		1421	kbnoshift:
		1422	cmp ebx,3
		1423	jne kbnoalt
379	serge	1424	mov edi,[TASK_BASE]
115	poddubny	1425	add ecx,[edi+TASKDATA.mem_start]
1	ha	1426	mov eax,ecx
		1427	mov ebx,keymap_alt
		1428	mov ecx,128
		1429	call memmove
		1430	ret
		1431	kbnoalt:
		1432	cmp ebx,9
		1433	jnz kbnocountry
		1434	mov word [keyboard],cx
		1435	ret
		1436	kbnocountry:
		1437	mov [esp+36],dword 1
		1438	ret
		1439	nsyse2:
742	Rus	1440	cmp eax,3 ; CD
802	serge	1441	jnz nsyse4
75	diamond	1442	test ebx,ebx
		1443	jz nosesl
		1444	cmp ebx, 4
		1445	ja nosesl
1	ha	1446	mov [cd_base],bl
		1447	cmp ebx,1
		1448	jnz noprma
		1449	mov [cdbase],0x1f0
		1450	mov [cdid],0xa0
		1451	noprma:
		1452	cmp ebx,2
		1453	jnz noprsl
		1454	mov [cdbase],0x1f0
		1455	mov [cdid],0xb0
		1456	noprsl:
		1457	cmp ebx,3
		1458	jnz nosema
		1459	mov [cdbase],0x170
		1460	mov [cdid],0xa0
		1461	nosema:
		1462	cmp ebx,4
		1463	jnz nosesl
		1464	mov [cdbase],0x170
		1465	mov [cdid],0xb0
		1466	nosesl:
		1467	ret
		1468
		1469	cd_base db 0
		1470
		1471	nsyse4:
		1472
742	Rus	1473	cmp eax,5 ; SYSTEM LANGUAGE
1	ha	1474	jnz nsyse5
		1475	mov [syslang],ebx
		1476	ret
		1477	nsyse5:
		1478
742	Rus	1479	cmp eax,7 ; HD BASE
1	ha	1480	jne nsyse7
75	diamond	1481	test ebx,ebx
		1482	jz nosethd
		1483	cmp ebx,4
		1484	ja nosethd
1	ha	1485	mov [hd_base],bl
		1486	cmp ebx,1
		1487	jnz noprmahd
		1488	mov [hdbase],0x1f0
		1489	mov [hdid],0x0
		1490	mov [hdpos],1
		1491	; call set_FAT32_variables
		1492	noprmahd:
		1493	cmp ebx,2
		1494	jnz noprslhd
		1495	mov [hdbase],0x1f0
		1496	mov [hdid],0x10
		1497	mov [hdpos],2
		1498	; call set_FAT32_variables
		1499	noprslhd:
		1500	cmp ebx,3
		1501	jnz nosemahd
		1502	mov [hdbase],0x170
		1503	mov [hdid],0x0
		1504	mov [hdpos],3
		1505	; call set_FAT32_variables
		1506	nosemahd:
		1507	cmp ebx,4
		1508	jnz noseslhd
		1509	mov [hdbase],0x170
		1510	mov [hdid],0x10
		1511	mov [hdpos],4
		1512	; call set_FAT32_variables
		1513	noseslhd:
		1514	call reserve_hd1
321	diamond	1515	call reserve_hd_channel
		1516	call free_hd_channel
742	Rus	1517	mov [hd1_status],0 ; free
75	diamond	1518	nosethd:
1	ha	1519	ret
		1520
283	diamond	1521	iglobal
1	ha	1522	hd_base db 0
283	diamond	1523	endg
1	ha	1524
802	serge	1525	nsyse7:
1	ha	1526
742	Rus	1527	cmp eax,8 ; HD PARTITION
1	ha	1528	jne nsyse8
		1529	mov [fat32part],ebx
		1530	; call set_FAT32_variables
		1531	call reserve_hd1
321	diamond	1532	call reserve_hd_channel
		1533	call free_hd_channel
1	ha	1534	pusha
		1535	call choice_necessity_partition_1
		1536	popa
742	Rus	1537	mov [hd1_status],0 ; free
1	ha	1538	ret
		1539
802	serge	1540	nsyse8:
742	Rus	1541	cmp eax,11 ; ENABLE LBA READ
1	ha	1542	jne no_set_lba_read
		1543	and ebx,1
		1544	mov [lba_read_enabled],ebx
		1545	ret
		1546
802	serge	1547	no_set_lba_read:
		1548	cmp eax,12 ; ENABLE PCI ACCESS
1	ha	1549	jne no_set_pci_access
		1550	and ebx,1
		1551	mov [pci_access_enabled],ebx
		1552	ret
		1553	no_set_pci_access:
		1554
		1555	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1556	include 'vmodeint.inc'
		1557	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1558
75	diamond	1559	sys_setup_err:
1	ha	1560	mov [esp+36],dword -1
		1561	ret
		1562
		1563	align 4
		1564
		1565	sys_getsetup:
		1566
		1567	; 1=roland mpu midi base , base io address
		1568	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1569	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1570	; 5=system language, 1eng 2fi 3ger 4rus
		1571	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1572	; 8=fat32 partition in hd
		1573	; 9=get hs timer tic
		1574
		1575	cmp eax,1
		1576	jne ngsyse1
		1577	movzx eax,[midi_base]
		1578	mov [esp+36],eax
		1579	ret
802	serge	1580	ngsyse1:
1	ha	1581
		1582	cmp eax,2
		1583	jne ngsyse2
		1584	cmp ebx,1
		1585	jnz kbnobaseret
379	serge	1586	mov edi,[TASK_BASE]
115	poddubny	1587	add ecx,[edi+TASKDATA.mem_start]
1	ha	1588	mov ebx,ecx
		1589	mov eax,keymap
		1590	mov ecx,128
		1591	call memmove
		1592	ret
802	serge	1593	kbnobaseret:
1	ha	1594	cmp ebx,2
		1595	jnz kbnoshiftret
379	serge	1596	mov edi,[TASK_BASE]
115	poddubny	1597	add ecx,[edi+TASKDATA.mem_start]
1	ha	1598	mov ebx,ecx
		1599	mov eax,keymap_shift
		1600	mov ecx,128
		1601	call memmove
		1602	ret
802	serge	1603	kbnoshiftret:
1	ha	1604	cmp ebx,3
		1605	jne kbnoaltret
379	serge	1606	mov edi,[TASK_BASE]
115	poddubny	1607	add ecx,[edi+TASKDATA.mem_start]
1	ha	1608	mov ebx,ecx
		1609	mov eax,keymap_alt
		1610	mov ecx,128
		1611	call memmove
		1612	ret
802	serge	1613	kbnoaltret:
1	ha	1614	cmp ebx,9
		1615	jnz ngsyse2
		1616	movzx eax,word [keyboard]
		1617	mov [esp+36],eax
		1618	ret
802	serge	1619	ngsyse2:
1	ha	1620
802	serge	1621	cmp eax,3
		1622	jnz ngsyse3
		1623	movzx eax,[cd_base]
		1624	mov [esp+36],eax
		1625	ret
		1626	ngsyse3:
		1627	cmp eax,5
		1628	jnz ngsyse5
		1629	mov eax,[syslang]
		1630	mov [esp+36],eax
		1631	ret
		1632	ngsyse5:
1	ha	1633	cmp eax,7
		1634	jnz ngsyse7
		1635	movzx eax,[hd_base]
		1636	mov [esp+36],eax
		1637	ret
802	serge	1638	ngsyse7:
1	ha	1639	cmp eax,8
		1640	jnz ngsyse8
		1641	mov eax,[fat32part]
		1642	mov [esp+36],eax
		1643	ret
802	serge	1644	ngsyse8:
1	ha	1645	cmp eax,9
		1646	jne ngsyse9
		1647	mov eax,[timer_ticks] ;[0xfdf0]
		1648	mov [esp+36],eax
		1649	ret
802	serge	1650	ngsyse9:
1	ha	1651	cmp eax,11
		1652	jnz ngsyse11
		1653	mov eax,[lba_read_enabled]
		1654	mov [esp+36],eax
		1655	ret
802	serge	1656	ngsyse11:
1	ha	1657	cmp eax,12
		1658	jnz ngsyse12
		1659	mov eax,[pci_access_enabled]
		1660	mov [esp+36],eax
		1661	ret
802	serge	1662	ngsyse12:
1	ha	1663	mov [esp+36],dword 1
		1664	ret
		1665
479	kastigar	1666	get_timer_ticks:
		1667	mov eax,[timer_ticks]
		1668	ret
		1669
283	diamond	1670	iglobal
1	ha	1671	align 4
221	serge	1672	mousefn dd msscreen, mswin, msbutton, msset
742	Rus	1673	dd app_load_cursor
		1674	dd app_set_cursor
		1675	dd app_delete_cursor
		1676	dd msz
283	diamond	1677	endg
1	ha	1678
		1679	readmousepos:
		1680
		1681	; eax=0 screen relative
		1682	; eax=1 window relative
		1683	; eax=2 buttons pressed
221	serge	1684	; eax=3 set mouse pos ; reserved
		1685	; eax=4 load cursor
		1686	; eax=5 set cursor
		1687	; eax=6 delete cursor ; reserved
479	kastigar	1688	; eax=7 get mouse_z
1	ha	1689
742	Rus	1690	cmp eax, 7
		1691	ja msset
		1692	jmp [mousefn+eax*4]
221	serge	1693	msscreen:
742	Rus	1694	mov eax,[MOUSE_X]
		1695	shl eax,16
		1696	mov ax,[MOUSE_Y]
		1697	mov [esp+36],eax
		1698	ret
221	serge	1699	mswin:
742	Rus	1700	mov eax,[MOUSE_X]
		1701	shl eax,16
		1702	mov ax,[MOUSE_Y]
		1703	mov esi,[TASK_BASE]
		1704	mov bx, word [esi-twdw+WDATA.box.left]
		1705	shl ebx,16
		1706	mov bx, word [esi-twdw+WDATA.box.top]
		1707	sub eax,ebx
1	ha	1708
742	Rus	1709	mov edi,[CURRENT_TASK]
		1710	shl edi,8
		1711	sub ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
		1712	rol eax,16
		1713	sub ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
		1714	rol eax,16
		1715	mov [esp+36],eax
		1716	ret
221	serge	1717	msbutton:
742	Rus	1718	movzx eax,byte [BTN_DOWN]
		1719	mov [esp+36],eax
		1720	ret
479	kastigar	1721	msz:
742	Rus	1722	mov edi, [TASK_COUNT]
		1723	movzx edi, word [WIN_POS + edi*2]
		1724	cmp edi, [CURRENT_TASK]
		1725	jne @f
		1726	mov ax,[MOUSE_SCROLL_H]
		1727	shl eax,16
		1728	mov ax,[MOUSE_SCROLL_V]
		1729	mov [esp+36],eax
		1730	mov [MOUSE_SCROLL_H],word 0
		1731	mov [MOUSE_SCROLL_V],word 0
		1732	ret
479	kastigar	1733	@@:
742	Rus	1734	mov [esp+36],dword 0
		1735	ret
221	serge	1736	msset:
742	Rus	1737	ret
164	serge	1738
221	serge	1739	app_load_cursor:
465	serge	1740	; add ebx, new_app_base
742	Rus	1741	cmp ebx, OS_BASE
		1742	jae msset
		1743	stdcall load_cursor, ebx, ecx
		1744	mov [esp+36], eax
		1745	ret
164	serge	1746
221	serge	1747	app_set_cursor:
742	Rus	1748	stdcall set_cursor, ebx
		1749	mov [esp+36], eax
		1750	ret
1	ha	1751
233	serge	1752	app_delete_cursor:
742	Rus	1753	stdcall delete_cursor, ebx
		1754	mov [esp+36], eax
		1755	ret
1	ha	1756
		1757	is_input:
		1758
		1759	push edx
742	Rus	1760	mov dx,word [midisp]
		1761	in al,dx
		1762	and al,0x80
		1763	pop edx
1	ha	1764	ret
		1765
		1766	is_output:
		1767
		1768	push edx
742	Rus	1769	mov dx,word [midisp]
		1770	in al,dx
		1771	and al,0x40
		1772	pop edx
1	ha	1773	ret
		1774
		1775
		1776	get_mpu_in:
		1777
		1778	push edx
742	Rus	1779	mov dx,word [mididp]
		1780	in al,dx
		1781	pop edx
1	ha	1782	ret
		1783
		1784
		1785	put_mpu_out:
		1786
		1787	push edx
742	Rus	1788	mov dx,word [mididp]
		1789	out dx,al
		1790	pop edx
1	ha	1791	ret
		1792
		1793
		1794	setuart:
		1795
		1796	su1:
		1797	call is_output
742	Rus	1798	cmp al,0
		1799	jnz su1
		1800	mov dx,word [midisp]
		1801	mov al,0xff
		1802	out dx,al
1	ha	1803	su2:
742	Rus	1804	mov dx,word [midisp]
		1805	mov al,0xff
		1806	out dx,al
1	ha	1807	call is_input
742	Rus	1808	cmp al,0
		1809	jnz su2
1	ha	1810	call get_mpu_in
742	Rus	1811	cmp al,0xfe
		1812	jnz su2
1	ha	1813	su3:
		1814	call is_output
742	Rus	1815	cmp al,0
		1816	jnz su3
		1817	mov dx,word [midisp]
		1818	mov al,0x3f
		1819	out dx,al
1	ha	1820
		1821	ret
		1822
		1823
		1824	align 4
		1825
		1826	sys_midi:
		1827
		1828	cmp [mididp],0
		1829	jnz sm0
		1830	mov [esp+36],dword 1
		1831	ret
		1832	sm0:
		1833
		1834	cmp eax,1
		1835	mov [esp+36],dword 0
		1836	jnz smn1
		1837	call setuart
		1838	ret
		1839	smn1:
		1840
		1841	cmp eax,2
		1842	jnz smn2
		1843	sm10:
		1844	call get_mpu_in
		1845	call is_output
		1846	test al,al
		1847	jnz sm10
		1848	mov al,bl
		1849	call put_mpu_out
		1850	ret
		1851	smn2:
		1852
		1853	ret
		1854
		1855
		1856	detect_devices:
		1857	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
769	Rus	1858	;include 'detect/commouse.inc'
479	kastigar	1859	;include 'detect/ps2mouse.inc'
1	ha	1860	;include 'detect/dev_fd.inc'
		1861	;include 'detect/dev_hdcd.inc'
		1862	;include 'detect/sear_par.inc'
		1863	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1864	ret
		1865
		1866
		1867	sys_end:
		1868
379	serge	1869	mov eax,[TASK_BASE]
115	poddubny	1870	mov [eax+TASKDATA.state], 3 ; terminate this program
41	mikedld	1871
742	Rus	1872	waitterm: ; wait here for termination
684	diamond	1873	mov ebx,100
1	ha	1874	call delay_hs
		1875	jmp waitterm
		1876
75	diamond	1877	iglobal
170	serge	1878	align 4
75	diamond	1879	sys_system_table:
759	Rus	1880	dd exit_for_anyone ; 1 = obsolete
742	Rus	1881	dd sysfn_terminate ; 2 = terminate thread
		1882	dd sysfn_activate ; 3 = activate window
		1883	dd sysfn_getidletime ; 4 = get idle time
		1884	dd sysfn_getcpuclock ; 5 = get cpu clock
		1885	dd sysfn_saveramdisk ; 6 = save ramdisk
		1886	dd sysfn_getactive ; 7 = get active window
		1887	dd sysfn_sound_flag ; 8 = get/set sound_flag
748	heavyiron	1888	dd sysfn_shutdown ; 9 = shutdown with parameter
742	Rus	1889	dd sysfn_minimize ; 10 = minimize window
		1890	dd sysfn_getdiskinfo ; 11 = get disk subsystem info
		1891	dd sysfn_lastkey ; 12 = get last pressed key
		1892	dd sysfn_getversion ; 13 = get kernel version
		1893	dd sysfn_waitretrace ; 14 = wait retrace
		1894	dd sysfn_centermouse ; 15 = center mouse cursor
		1895	dd sysfn_getfreemem ; 16 = get free memory size
		1896	dd sysfn_getallmem ; 17 = get total memory size
		1897	dd sysfn_terminate2 ; 18 = terminate thread using PID
		1898	; instead of slot
		1899	dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration
		1900	dd sysfn_meminfo ; 20 = get extended memory info
		1901	dd sysfn_pid_to_slot ; 21 = get slot number for pid
		1902	dd sysfn_min_rest_window ; 22 = minimize and restore any window
75	diamond	1903	sysfn_num = ($ - sys_system_table)/4
		1904	endg
		1905
1	ha	1906	sys_system:
742	Rus	1907	dec ebx
		1908	cmp ebx, sysfn_num
		1909	jae @f
		1910	jmp dword [sys_system_table + ebx*4]
75	diamond	1911	@@:
742	Rus	1912	ret
1	ha	1913
214	serge	1914
759	Rus	1915	sysfn_shutdown: ; 18.9 = system shutdown
748	heavyiron	1916	cmp ecx,1
		1917	jl exit_for_anyone
		1918	cmp ecx,4
		1919	jg exit_for_anyone
		1920	mov [BOOT_VAR+0x9030],cl
		1921
379	serge	1922	mov eax,[TASK_COUNT]
709	diamond	1923	mov [SYS_SHUTDOWN],al
1	ha	1924	mov [shutdown_processes],eax
684	diamond	1925	and dword [esp+32], 0
748	heavyiron	1926	exit_for_anyone:
1	ha	1927	ret
		1928	uglobal
		1929	shutdown_processes: dd 0x0
		1930	endg
		1931
742	Rus	1932	sysfn_terminate: ; 18.2 = TERMINATE
684	diamond	1933	cmp ecx,2
1	ha	1934	jb noprocessterminate
379	serge	1935	mov edx,[TASK_COUNT]
684	diamond	1936	cmp ecx,edx
75	diamond	1937	ja noprocessterminate
379	serge	1938	mov eax,[TASK_COUNT]
684	diamond	1939	shl ecx,5
		1940	mov edx,[ecx+CURRENT_TASK+TASKDATA.pid]
		1941	add ecx,CURRENT_TASK+TASKDATA.state
		1942	cmp byte [ecx], 9
75	diamond	1943	jz noprocessterminate
41	mikedld	1944
1	ha	1945	;call MEM_Heap_Lock ;guarantee that process isn't working with heap
742	Rus	1946	mov [ecx],byte 3 ; clear possible i40's
1	ha	1947	;call MEM_Heap_UnLock
		1948
		1949	cmp edx,[application_table_status] ; clear app table stat
		1950	jne noatsc
		1951	mov [application_table_status],0
		1952	noatsc:
75	diamond	1953	noprocessterminate:
1	ha	1954	ret
		1955
85	halyavin	1956	sysfn_terminate2:
		1957	;lock application_table_status mutex
164	serge	1958	.table_status:
85	halyavin	1959	cli
		1960	cmp [application_table_status],0
742	Rus	1961	je .stf
85	halyavin	1962	sti
		1963	call change_task
		1964	jmp .table_status
		1965	.stf:
		1966	call set_application_table_status
684	diamond	1967	mov eax,ecx
85	halyavin	1968	call pid_to_slot
		1969	test eax,eax
742	Rus	1970	jz .not_found
684	diamond	1971	mov ecx,eax
85	halyavin	1972	cli
		1973	call sysfn_terminate
		1974	mov [application_table_status],0
		1975	sti
684	diamond	1976	and dword [esp+32],0
85	halyavin	1977	ret
		1978	.not_found:
		1979	mov [application_table_status],0
742	Rus	1980	or dword [esp+32],-1
85	halyavin	1981	ret
		1982
742	Rus	1983	sysfn_activate: ; 18.3 = ACTIVATE WINDOW
684	diamond	1984	cmp ecx,2
105	poddubny	1985	jb .nowindowactivate
684	diamond	1986	cmp ecx,[TASK_COUNT]
105	poddubny	1987	ja .nowindowactivate
		1988
		1989	mov [window_minimize], 2 ; restore window if minimized
		1990
684	diamond	1991	movzx esi, word [WIN_STACK + ecx*2]
379	serge	1992	cmp esi, [TASK_COUNT]
105	poddubny	1993	je .nowindowactivate ; already active
		1994
684	diamond	1995	mov edi, ecx
105	poddubny	1996	shl edi, 5
		1997	add edi, window_data
684	diamond	1998	movzx esi, word [WIN_STACK + ecx * 2]
380	serge	1999	lea esi, [WIN_POS + esi * 2]
105	poddubny	2000	call waredraw
		2001	.nowindowactivate:
1	ha	2002	ret
41	mikedld	2003
742	Rus	2004	sysfn_getidletime: ; 18.4 = GET IDLETIME
1	ha	2005	mov eax,[idleusesec]
684	diamond	2006	mov [esp+32], eax
1	ha	2007	ret
		2008
742	Rus	2009	sysfn_getcpuclock: ; 18.5 = GET TSC/SEC
381	serge	2010	mov eax,[CPU_FREQ]
684	diamond	2011	mov [esp+32], eax
1	ha	2012	ret
		2013
		2014	; SAVE ramdisk to /hd/1/menuet.img
		2015	;!!!!!!!!!!!!!!!!!!!!!!!!
		2016	include 'blkdev/rdsave.inc'
		2017	;!!!!!!!!!!!!!!!!!!!!!!!!
75	diamond	2018
742	Rus	2019	sysfn_getactive: ; 18.7 = get active window
379	serge	2020	mov eax, [TASK_COUNT]
380	serge	2021	movzx eax, word [WIN_POS + eax*2]
684	diamond	2022	mov [esp+32],eax
1	ha	2023	ret
75	diamond	2024
742	Rus	2025	sysfn_sound_flag: ; 18.8 = get/set sound_flag
684	diamond	2026	cmp ecx,1
1	ha	2027	jne nogetsoundflag
		2028	movzx eax,byte [sound_flag] ; get sound_flag
684	diamond	2029	mov [esp+32],eax
1	ha	2030	ret
		2031	nogetsoundflag:
684	diamond	2032	cmp ecx,2
1	ha	2033	jnz nosoundflag
75	diamond	2034	xor byte [sound_flag], 1
		2035	nosoundflag:
41	mikedld	2036	ret
75	diamond	2037
742	Rus	2038	sysfn_minimize: ; 18.10 = minimize window
1	ha	2039	mov [window_minimize],1
		2040	ret
75	diamond	2041
742	Rus	2042	sysfn_getdiskinfo: ; 18.11 = get disk info table
684	diamond	2043	cmp ecx,1
1	ha	2044	jnz full_table
		2045	small_table:
		2046	call for_all_tables
75	diamond	2047	mov ecx,10
1	ha	2048	cld
		2049	rep movsb
		2050	ret
		2051	for_all_tables:
684	diamond	2052	mov edi,edx
381	serge	2053	mov esi,DRIVE_DATA
1	ha	2054	ret
		2055	full_table:
684	diamond	2056	cmp ecx,2
1	ha	2057	jnz exit_for_anyone
		2058	call for_all_tables
75	diamond	2059	mov ecx,16384
1	ha	2060	cld
		2061	rep movsd
		2062	ret
75	diamond	2063
742	Rus	2064	sysfn_lastkey: ; 18.12 = return 0 (backward compatibility)
		2065	and dword [esp+32], 0
		2066	ret
75	diamond	2067
742	Rus	2068	sysfn_getversion: ; 18.13 = get kernel ID and version
684	diamond	2069	mov edi,ebx
1	ha	2070	mov esi,version_inf
		2071	mov ecx,version_end-version_inf
		2072	rep movsb
		2073	ret
75	diamond	2074
		2075	sysfn_waitretrace: ; 18.14 = sys wait retrace
41	mikedld	2076	;wait retrace functions
		2077	sys_wait_retrace:
		2078	mov edx,0x3da
		2079	WaitRetrace_loop:
		2080	in al,dx
		2081	test al,1000b
		2082	jz WaitRetrace_loop
684	diamond	2083	and [esp+32],dword 0
1	ha	2084	ret
75	diamond	2085
742	Rus	2086	sysfn_centermouse: ; 18.15 = mouse centered
1	ha	2087	call mouse_centered
684	diamond	2088	and [esp+32],dword 0
1	ha	2089	ret
75	diamond	2090
120	mario79	2091	sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
684	diamond	2092	cmp ecx,0 ; get mouse speed factor
120	mario79	2093	jnz .set_mouse_acceleration
164	serge	2094	xor eax,eax
120	mario79	2095	mov ax,[mouse_speed_factor]
684	diamond	2096	mov [esp+32],eax
120	mario79	2097	ret
		2098	.set_mouse_acceleration:
684	diamond	2099	cmp ecx,1 ; set mouse speed factor
120	mario79	2100	jnz .get_mouse_delay
684	diamond	2101	mov [mouse_speed_factor],dx
120	mario79	2102	ret
		2103	.get_mouse_delay:
684	diamond	2104	cmp ecx,2 ; get mouse delay
120	mario79	2105	jnz .set_mouse_delay
		2106	mov eax,[mouse_delay]
684	diamond	2107	mov [esp+32],eax
120	mario79	2108	ret
		2109	.set_mouse_delay:
684	diamond	2110	cmp ecx,3 ; set mouse delay
120	mario79	2111	jnz .set_pointer_position
684	diamond	2112	mov [mouse_delay],edx
120	mario79	2113	ret
		2114	.set_pointer_position:
684	diamond	2115	cmp ecx,4 ; set mouse pointer position
621	mario79	2116	jnz .set_mouse_button
684	diamond	2117	mov [MOUSE_Y],dx ;y
		2118	ror edx,16
		2119	mov [MOUSE_X],dx ;x
		2120	rol edx,16
621	mario79	2121	ret
		2122	.set_mouse_button:
684	diamond	2123	cmp ecx,5 ; set mouse button features
621	mario79	2124	jnz .end
684	diamond	2125	mov [BTN_DOWN],dl
621	mario79	2126	mov [mouse_active],1
120	mario79	2127	.end:
		2128	ret
		2129
75	diamond	2130	sysfn_getfreemem:
170	serge	2131	mov eax, [pg_data.pages_free]
		2132	shl eax, 2
684	diamond	2133	mov [esp+32],eax
1	ha	2134	ret
75	diamond	2135
		2136	sysfn_getallmem:
170	serge	2137	mov eax,[MEM_AMOUNT]
		2138	shr eax, 10
684	diamond	2139	mov [esp+32],eax
32	halyavin	2140	ret
		2141
608	alver	2142	; // Alver, 2007-22-08 // {
		2143	sysfn_pid_to_slot:
684	diamond	2144	mov eax, ecx
608	alver	2145	call pid_to_slot
684	diamond	2146	mov [esp+32], eax
608	alver	2147	ret
		2148
		2149	sysfn_min_rest_window:
		2150	pushad
742	Rus	2151	mov eax, edx ; ebx - operating
684	diamond	2152	shr ecx, 1
608	alver	2153	jnc @f
		2154	call pid_to_slot
		2155	@@:
742	Rus	2156	or eax, eax ; eax - number of slot
608	alver	2157	jz .error
742	Rus	2158	cmp eax, 255 ; varify maximal slot number
608	alver	2159	ja .error
684	diamond	2160	movzx eax, word [WIN_STACK + eax*2]
		2161	shr ecx, 1
608	alver	2162	jc .restore
		2163	; .minimize:
		2164	call minimize_window
		2165	jmp .exit
		2166	.restore:
		2167	call restore_minimized_window
		2168	.exit:
		2169	popad
		2170	xor eax, eax
684	diamond	2171	mov [esp+32], eax
608	alver	2172	ret
		2173	.error:
		2174	popad
		2175	xor eax, eax
		2176	dec eax
684	diamond	2177	mov [esp+32], eax
608	alver	2178	ret
		2179	; } \\ Alver, 2007-22-08 \\
		2180
41	mikedld	2181	uglobal
		2182	;// mike.dld, 2006-29-01 [
		2183	screen_workarea RECT
		2184	;// mike.dld, 2006-29-01 ]
1	ha	2185	window_minimize db 0
742	Rus	2186	sound_flag db 0
41	mikedld	2187	endg
1	ha	2188
41	mikedld	2189	iglobal
		2190	version_inf:
641	diamond	2191	db 0,7,1,0 ; version 0.7.1.0
41	mikedld	2192	db UID_KOLIBRI
540	victor	2193	dd __REV__
41	mikedld	2194	version_end:
		2195	endg
1	ha	2196
41	mikedld	2197	UID_NONE=0
742	Rus	2198	UID_MENUETOS=1 ;official
		2199	UID_KOLIBRI=2 ;russian
1	ha	2200
		2201	sys_cachetodiskette:
671	Ghost	2202	cmp ebx, 1
		2203	jne .no_floppy_a_save
		2204	mov [flp_number], 1
		2205	jmp .save_image_on_floppy
		2206	.no_floppy_a_save:
		2207	cmp ebx, 2
		2208	jne .no_floppy_b_save
		2209	mov [flp_number], 2
		2210	.save_image_on_floppy:
		2211	call save_image
		2212	mov [esp + 32], dword 0
		2213	cmp [FDC_Status], 0
		2214	je .yes_floppy_save
		2215	.no_floppy_b_save:
		2216	mov [esp + 32], dword 1
		2217	.yes_floppy_save:
		2218	ret
1	ha	2219
		2220	uglobal
		2221	; bgrchanged dd 0x0
546	diamond	2222	bgrlock db 0
		2223	bgrlockpid dd 0
1	ha	2224	endg
		2225
		2226	sys_background:
		2227
742	Rus	2228	cmp ebx,1 ; BACKGROUND SIZE
1	ha	2229	jnz nosb1
		2230	cmp ecx,0
742	Rus	2231	je sbgrr
684	diamond	2232	cmp edx,0
742	Rus	2233	je sbgrr
546	diamond	2234	@@:
742	Rus	2235	mov al, 1
		2236	xchg [bgrlock], al
		2237	test al, al
		2238	jz @f
		2239	call change_task
		2240	jmp @b
546	diamond	2241	@@:
684	diamond	2242	mov [BgrDataWidth],ecx
		2243	mov [BgrDataHeight],edx
1	ha	2244	; mov [bgrchanged],1
469	serge	2245
		2246	pushad
		2247	; return memory for old background
		2248	stdcall kernel_free, [img_background]
		2249	; calculate RAW size
		2250	xor eax,eax
		2251	inc eax
527	diamond	2252	cmp [BgrDataWidth],eax
469	serge	2253	jae @f
527	diamond	2254	mov [BgrDataWidth],eax
469	serge	2255	@@:
527	diamond	2256	cmp [BgrDataHeight],eax
469	serge	2257	jae @f
527	diamond	2258	mov [BgrDataHeight],eax
469	serge	2259	@@:
527	diamond	2260	mov eax,[BgrDataWidth]
		2261	imul eax,[BgrDataHeight]
		2262	lea eax,[eax*3]
469	serge	2263	mov [mem_BACKGROUND],eax
		2264	; get memory for new background
546	diamond	2265	stdcall kernel_alloc, eax
469	serge	2266	test eax, eax
		2267	jz .exit_mem
		2268	mov [img_background], eax
		2269	.exit_mem:
		2270	popad
742	Rus	2271	mov [bgrlock], 0
469	serge	2272
1	ha	2273	sbgrr:
		2274	ret
469	serge	2275
1	ha	2276	nosb1:
		2277
742	Rus	2278	cmp ebx,2 ; SET PIXEL
1	ha	2279	jnz nosb2
684	diamond	2280	cmp ecx,[mem_BACKGROUND]
		2281	jae nosb2
469	serge	2282	mov eax,[img_background]
684	diamond	2283	mov ebx,[eax+ecx]
		2284	and ebx,0xFF000000 ;255256256*256
		2285	and edx,0x00FFFFFF ;255256256+255*256+255
		2286	add edx,ebx
		2287	mov [eax+ecx],edx
1	ha	2288	; mov [bgrchanged],1
		2289	ret
		2290	nosb2:
		2291
742	Rus	2292	cmp ebx,3 ; DRAW BACKGROUND
1	ha	2293	jnz nosb3
		2294	draw_background_temp:
		2295	; cmp [bgrchanged],1 ;0
		2296	; je nosb31
		2297	;draw_background_temp:
		2298	; mov [bgrchanged],1 ;0
76	mario79	2299	mov [background_defined], 1
709	diamond	2300	call force_redraw_background
		2301	mov [REDRAW_BACKGROUND], byte 2
1	ha	2302	nosb31:
		2303	ret
		2304	nosb3:
		2305
742	Rus	2306	cmp ebx,4 ; TILED / STRETCHED
1	ha	2307	jnz nosb4
684	diamond	2308	cmp ecx,[BgrDrawMode]
742	Rus	2309	je nosb41
684	diamond	2310	mov [BgrDrawMode],ecx
1	ha	2311	; mov [bgrchanged],1
		2312	nosb41:
		2313	ret
		2314	nosb4:
		2315
742	Rus	2316	cmp ebx,5 ; BLOCK MOVE TO BGR
1	ha	2317	jnz nosb5
		2318	; bughere
684	diamond	2319	mov eax, ecx
		2320	mov ebx, edx
469	serge	2321	add ebx, [img_background] ;IMG_BACKGROUND
684	diamond	2322	mov ecx, esi
1	ha	2323	call memmove
		2324	.fin:
		2325	ret
		2326	nosb5:
479	kastigar	2327
742	Rus	2328	cmp ebx, 6
		2329	jnz nosb6
546	diamond	2330	@@:
742	Rus	2331	mov al, 1
		2332	xchg [bgrlock], al
		2333	test al, al
		2334	jz @f
		2335	call change_task
		2336	jmp @b
546	diamond	2337	@@:
742	Rus	2338	mov eax, [CURRENT_TASK]
		2339	mov [bgrlockpid], eax
		2340	stdcall user_alloc, [mem_BACKGROUND]
		2341	mov [esp+32], eax
		2342	test eax, eax
		2343	jz .nomem
		2344	mov ebx, eax
		2345	shr ebx, 12
		2346	or dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK
		2347	mov esi, [img_background]
		2348	shr esi, 12
		2349	mov ecx, [mem_BACKGROUND]
		2350	add ecx, 0xFFF
		2351	shr ecx, 12
546	diamond	2352	.z:
742	Rus	2353	mov eax, [page_tabs+ebx*4]
		2354	test al, 1
		2355	jz @f
		2356	call free_page
546	diamond	2357	@@:
742	Rus	2358	mov eax, [page_tabs+esi*4]
		2359	or al, PG_UW
		2360	mov [page_tabs+ebx*4], eax
		2361	mov eax, ebx
		2362	shl eax, 12
		2363	invlpg [eax]
		2364	inc ebx
		2365	inc esi
		2366	loop .z
		2367	ret
546	diamond	2368	.nomem:
742	Rus	2369	and [bgrlockpid], 0
		2370	mov [bgrlock], 0
546	diamond	2371	nosb6:
742	Rus	2372	cmp ebx, 7
		2373	jnz nosb7
		2374	cmp [bgrlock], 0
		2375	jz .err
		2376	mov eax, [CURRENT_TASK]
		2377	cmp [bgrlockpid], eax
		2378	jnz .err
		2379	mov eax, ecx
		2380	mov ebx, ecx
		2381	shr eax, 12
		2382	mov ecx, [page_tabs+(eax-1)*4]
		2383	test cl, USED_BLOCK+DONT_FREE_BLOCK
		2384	jz .err
		2385	jnp .err
		2386	push eax
		2387	shr ecx, 12
546	diamond	2388	@@:
742	Rus	2389	and dword [page_tabs+eax*4], 0
		2390	mov edx, eax
		2391	shl edx, 12
802	serge	2392	push eax
742	Rus	2393	invlpg [edx]
802	serge	2394	pop eax
742	Rus	2395	inc eax
		2396	loop @b
		2397	pop eax
		2398	and dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK
		2399	stdcall user_free, ebx
		2400	mov [esp+32], eax
		2401	and [bgrlockpid], 0
		2402	mov [bgrlock], 0
		2403	ret
546	diamond	2404	.err:
742	Rus	2405	and dword [esp+32], 0
		2406	ret
546	diamond	2407
		2408	nosb7:
1	ha	2409	ret
		2410
709	diamond	2411	force_redraw_background:
		2412	mov [draw_data+32 + RECT.left],dword 0
		2413	mov [draw_data+32 + RECT.top],dword 0
		2414	push eax ebx
753	serge	2415	mov eax,[Screen_Max_X]
		2416	mov ebx,[Screen_Max_Y]
709	diamond	2417	mov [draw_data+32 + RECT.right],eax
		2418	mov [draw_data+32 + RECT.bottom],ebx
		2419	pop ebx eax
		2420	mov byte [REDRAW_BACKGROUND], 1
		2421	ret
479	kastigar	2422
1	ha	2423	align 4
		2424
		2425	sys_getbackground:
		2426
742	Rus	2427	cmp eax,1 ; SIZE
1	ha	2428	jnz nogb1
527	diamond	2429	mov eax,[BgrDataWidth]
1	ha	2430	shl eax,16
531	diamond	2431	mov ax,[BgrDataHeight]
1	ha	2432	mov [esp+36],eax
		2433	ret
		2434	nogb1:
		2435
742	Rus	2436	cmp eax,2 ; PIXEL
1	ha	2437	jnz nogb2
469	serge	2438	; mov edx,0x160000-16
		2439	; cmp edx,ebx
		2440	; jbe nogb2
		2441	; mov eax, [ebx+IMG_BACKGROUND]
		2442	mov eax,[img_background]
		2443	mov eax,[ebx+eax]
		2444
1	ha	2445	and eax, 0xFFFFFF
		2446	mov [esp+36],eax
		2447	ret
		2448	nogb2:
		2449
742	Rus	2450	cmp eax,4 ; TILED / STRETCHED
1	ha	2451	jnz nogb4
527	diamond	2452	mov eax,[BgrDrawMode]
1	ha	2453	nogb4:
		2454	mov [esp+36],eax
		2455	ret
		2456
		2457
		2458	align 4
		2459
		2460	sys_getkey:
671	Ghost	2461	mov [esp + 32],dword 1
		2462	; test main buffer
742	Rus	2463	mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
671	Ghost	2464	movzx ecx, word [WIN_STACK + ebx * 2]
		2465	mov edx, [TASK_COUNT]
		2466	cmp ecx, edx
		2467	jne .finish
		2468	cmp [KEY_COUNT], byte 0
		2469	je .finish
		2470	movzx eax, byte [KEY_BUFF]
		2471	shl eax, 8
		2472	push eax
		2473	dec byte [KEY_COUNT]
		2474	and byte [KEY_COUNT], 127
		2475	movzx ecx, byte [KEY_COUNT]
		2476	add ecx, 2
		2477	mov eax, KEY_BUFF + 1
		2478	mov ebx, KEY_BUFF
		2479	call memmove
		2480	pop eax
92	diamond	2481	.ret_eax:
671	Ghost	2482	mov [esp + 32], eax
		2483	ret
		2484	.finish:
92	diamond	2485	; test hotkeys buffer
671	Ghost	2486	mov ecx, hotkey_buffer
92	diamond	2487	@@:
671	Ghost	2488	cmp [ecx], ebx
		2489	jz .found
		2490	add ecx, 8
		2491	cmp ecx, hotkey_buffer + 120 * 8
		2492	jb @b
		2493	ret
92	diamond	2494	.found:
671	Ghost	2495	mov ax, [ecx + 6]
		2496	shl eax, 16
		2497	mov ah, [ecx + 4]
		2498	mov al, 2
		2499	and dword [ecx + 4], 0
		2500	and dword [ecx], 0
		2501	jmp .ret_eax
1	ha	2502
		2503	align 4
		2504
		2505	sys_getbutton:
		2506
742	Rus	2507	mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
671	Ghost	2508	mov [esp + 32], dword 1
		2509	movzx ecx, word [WIN_STACK + ebx * 2]
		2510	mov edx, [TASK_COUNT] ; less than 256 processes
		2511	cmp ecx, edx
		2512	jne .exit
		2513	movzx eax, byte [BTN_COUNT]
		2514	test eax, eax
		2515	jz .exit
		2516	mov eax, [BTN_BUFF]
		2517	shl eax, 8
803	alver	2518	; // Alver 22.06.2008 // {
		2519	mov al, byte [btn_down_determ]
		2520	and al,0xFE ; delete left button bit
		2521	; } \\ Alver \\
671	Ghost	2522	mov [BTN_COUNT], byte 0
		2523	mov [esp + 32], eax
		2524	.exit:
		2525	ret
1	ha	2526
		2527
		2528	align 4
		2529
		2530	sys_cpuusage:
		2531
		2532	; RETURN:
		2533	;
		2534	; +00 dword process cpu usage
		2535	; +04 word position in windowing stack
		2536	; +06 word windowing stack value at current position (cpu nro)
		2537	; +10 12 bytes name
		2538	; +22 dword start in mem
		2539	; +26 dword used mem
		2540	; +30 dword PID , process idenfification number
		2541	;
		2542
742	Rus	2543	cmp ecx,-1 ; who am I ?
684	diamond	2544	jne .no_who_am_i
		2545	mov ecx,[CURRENT_TASK]
		2546	.no_who_am_i:
742	Rus	2547	cmp ecx, max_processes
		2548	ja .nofillbuf
1	ha	2549
684	diamond	2550	; +4: word: position of the window of thread in the window stack
742	Rus	2551	mov ax, [WIN_STACK + ecx * 2]
		2552	mov [ebx+4], ax
684	diamond	2553	; +6: word: number of the thread slot, which window has in the window stack
		2554	; position ecx (has no relation to the specific thread)
742	Rus	2555	mov ax, [WIN_POS + ecx * 2]
		2556	mov [ebx+6], ax
1	ha	2557
742	Rus	2558	shl ecx, 5
1	ha	2559
684	diamond	2560	; +0: dword: memory usage
742	Rus	2561	mov eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage]
		2562	mov [ebx], eax
684	diamond	2563	; +10: 11 bytes: name of the process
742	Rus	2564	push ecx
		2565	lea eax, [ecx*8+SLOT_BASE+APPDATA.app_name]
		2566	add ebx, 10
		2567	mov ecx, 11
		2568	call memmove
		2569	pop ecx
1	ha	2570
684	diamond	2571	; +22: address of the process in memory
		2572	; +26: size of used memory - 1
742	Rus	2573	push edi
		2574	lea edi, [ebx+12]
		2575	xor eax, eax
		2576	mov edx, 0x100000*16
		2577	cmp ecx, 1 shl 5
		2578	je .os_mem
		2579	mov edx, [SLOT_BASE+ecx*8+APPDATA.mem_size]
		2580	mov eax, std_application_base_address
684	diamond	2581	.os_mem:
742	Rus	2582	stosd
		2583	lea eax, [edx-1]
		2584	stosd
1	ha	2585
684	diamond	2586	; +30: PID/TID
742	Rus	2587	mov eax, [ecx+CURRENT_TASK+TASKDATA.pid]
		2588	stosd
1	ha	2589
		2590	; window position and size
742	Rus	2591	push esi
		2592	lea esi, [ecx + window_data + WDATA.box]
		2593	movsd
		2594	movsd
		2595	movsd
		2596	movsd
1	ha	2597
		2598	; Process state (+50)
742	Rus	2599	mov eax, dword [ecx+CURRENT_TASK+TASKDATA.state]
		2600	stosd
1	ha	2601
138	mikedld	2602	; Window client area box
742	Rus	2603	lea esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox]
		2604	movsd
		2605	movsd
		2606	movsd
		2607	movsd
1	ha	2608
164	serge	2609	; Window state
742	Rus	2610	mov al, [ecx+window_data+WDATA.fl_wstate]
		2611	stosb
164	serge	2612
742	Rus	2613	pop esi
		2614	pop edi
138	mikedld	2615
684	diamond	2616	.nofillbuf:
1	ha	2617	; return number of processes
		2618
379	serge	2619	mov eax,[TASK_COUNT]
684	diamond	2620	mov [esp+32],eax
1	ha	2621	ret
		2622
		2623	align 4
		2624	sys_clock:
742	Rus	2625	cli
1	ha	2626	; Mikhail Lisovin xx Jan 2005
742	Rus	2627	@@: mov al, 10
		2628	out 0x70, al
		2629	in al, 0x71
		2630	test al, al
		2631	jns @f
		2632	mov esi, 1
		2633	call delay_ms
		2634	jmp @b
1	ha	2635	@@:
		2636	; end Lisovin's fix
		2637
742	Rus	2638	xor al,al ; seconds
		2639	out 0x70,al
		2640	in al,0x71
		2641	movzx ecx,al
		2642	mov al,02 ; minutes
		2643	shl ecx,16
		2644	out 0x70,al
		2645	in al,0x71
		2646	movzx edx,al
		2647	mov al,04 ; hours
		2648	shl edx,8
		2649	out 0x70,al
		2650	in al,0x71
		2651	add ecx,edx
		2652	movzx edx,al
		2653	add ecx,edx
		2654	sti
671	Ghost	2655	mov [esp + 32], ecx
742	Rus	2656	ret
1	ha	2657
		2658
		2659	align 4
		2660
		2661	sys_date:
		2662
742	Rus	2663	cli
		2664	@@: mov al, 10
		2665	out 0x70, al
		2666	in al, 0x71
		2667	test al, al
		2668	jns @f
		2669	mov esi, 1
		2670	call delay_ms
		2671	jmp @b
75	diamond	2672	@@:
		2673
742	Rus	2674	mov ch,0
		2675	mov al,7 ; date
		2676	out 0x70,al
		2677	in al,0x71
		2678	mov cl,al
		2679	mov al,8 ; month
		2680	shl ecx,16
		2681	out 0x70,al
		2682	in al,0x71
		2683	mov ch,al
		2684	mov al,9 ; year
		2685	out 0x70,al
		2686	in al,0x71
		2687	mov cl,al
		2688	sti
		2689	mov [esp+32], ecx
		2690	ret
1	ha	2691
		2692
		2693	; redraw status
		2694
		2695	sys_redrawstat:
671	Ghost	2696	cmp ebx, 1
		2697	jne no_widgets_away
		2698	; buttons away
		2699	mov ecx,[CURRENT_TASK]
1	ha	2700	sys_newba2:
671	Ghost	2701	mov edi,[BTN_ADDR]
742	Rus	2702	cmp [edi], dword 0 ; empty button list ?
671	Ghost	2703	je end_of_buttons_away
		2704	movzx ebx, word [edi]
		2705	inc ebx
		2706	mov eax,edi
1	ha	2707	sys_newba:
671	Ghost	2708	dec ebx
		2709	jz end_of_buttons_away
1	ha	2710
671	Ghost	2711	add eax, 0x10
		2712	cmp cx, [eax]
		2713	jnz sys_newba
1	ha	2714
671	Ghost	2715	push eax ebx ecx
		2716	mov ecx,ebx
		2717	inc ecx
		2718	shl ecx, 4
		2719	mov ebx, eax
		2720	add eax, 0x10
		2721	call memmove
		2722	dec dword [edi]
		2723	pop ecx ebx eax
1	ha	2724
671	Ghost	2725	jmp sys_newba2
1	ha	2726
		2727	end_of_buttons_away:
		2728
671	Ghost	2729	ret
1	ha	2730
		2731	no_widgets_away:
		2732
671	Ghost	2733	cmp ebx, 2
		2734	jnz srl1
1	ha	2735
671	Ghost	2736	mov edx, [TASK_BASE] ; return whole screen draw area for this app
		2737	add edx, draw_data - CURRENT_TASK
		2738	mov [edx + RECT.left], 0
		2739	mov [edx + RECT.top], 0
759	Rus	2740	mov eax, [Screen_Max_X]
671	Ghost	2741	mov [edx + RECT.right], eax
759	Rus	2742	mov eax, [Screen_Max_Y]
671	Ghost	2743	mov [edx + RECT.bottom], eax
1	ha	2744
671	Ghost	2745	mov edi, [TASK_BASE]
		2746	or [edi - twdw + WDATA.fl_wdrawn], 1 ; no new position & buttons from app
		2747	call sys_window_mouse
		2748	ret
1	ha	2749
		2750	srl1:
671	Ghost	2751	ret
1	ha	2752
		2753
		2754	sys_drawwindow:
		2755
684	diamond	2756	mov eax,edx
		2757	shr eax,16+8
		2758	and eax,15
1	ha	2759
684	diamond	2760	; cmp eax,0 ; type I - original style
1	ha	2761	jne nosyswI
33	mario79	2762	inc [mouse_pause]
36	mario79	2763	call [disable_mouse]
1	ha	2764	call sys_set_window
36	mario79	2765	call [disable_mouse]
1	ha	2766	call drawwindow_I
114	mikedld	2767	;dec [mouse_pause]
		2768	;call [draw_pointer]
		2769	;ret
		2770	jmp draw_window_caption.2
1	ha	2771	nosyswI:
		2772
742	Rus	2773	cmp al,1 ; type II - only reserve area, no draw
1	ha	2774	jne nosyswII
33	mario79	2775	inc [mouse_pause]
36	mario79	2776	call [disable_mouse]
1	ha	2777	call sys_set_window
36	mario79	2778	call [disable_mouse]
1	ha	2779	call sys_window_mouse
33	mario79	2780	dec [mouse_pause]
36	mario79	2781	call [draw_pointer]
1	ha	2782	ret
		2783	nosyswII:
		2784
742	Rus	2785	cmp al,2 ; type III - new style
1	ha	2786	jne nosyswIII
33	mario79	2787	inc [mouse_pause]
36	mario79	2788	call [disable_mouse]
1	ha	2789	call sys_set_window
36	mario79	2790	call [disable_mouse]
1	ha	2791	call drawwindow_III
114	mikedld	2792	;dec [mouse_pause]
		2793	;call [draw_pointer]
		2794	;ret
		2795	jmp draw_window_caption.2
1	ha	2796	nosyswIII:
		2797
742	Rus	2798	cmp al,3 ; type IV - skinned window
		2799	je draw_skin_window
		2800	cmp al,4 ; type V - skinned window not sized! {not_sized_skin_window}
549	spraid	2801	jne nosyswV
		2802	draw_skin_window:
567	serge	2803
569	diamond	2804	inc [mouse_pause]
		2805	call [disable_mouse]
		2806	call sys_set_window
		2807	call [disable_mouse]
684	diamond	2808	mov eax, [TASK_COUNT]
		2809	movzx eax, word [WIN_POS + eax*2]
		2810	cmp eax, [CURRENT_TASK]
		2811	setz al
		2812	movzx eax, al
		2813	push eax
36	mario79	2814	call drawwindow_IV
114	mikedld	2815	;dec [mouse_pause]
		2816	;call [draw_pointer]
		2817	;ret
		2818	jmp draw_window_caption.2
549	spraid	2819	nosyswV:
1	ha	2820
		2821	ret
		2822
		2823
114	mikedld	2824	draw_window_caption:
742	Rus	2825	inc [mouse_pause]
		2826	call [disable_mouse]
114	mikedld	2827
742	Rus	2828	xor eax,eax
		2829	mov edx,[TASK_COUNT]
		2830	movzx edx,word[WIN_POS+edx*2]
		2831	cmp edx,[CURRENT_TASK]
		2832	jne @f
		2833	inc eax
		2834	@@: mov edx,[CURRENT_TASK]
		2835	shl edx,5
		2836	add edx,window_data
		2837	movzx ebx,[edx+WDATA.fl_wstyle]
		2838	and bl,0x0F
		2839	cmp bl,3
		2840	je .draw_caption_style_3 ;{for 3 and 4 style write caption}
		2841	cmp bl,4
		2842	je .draw_caption_style_3
567	serge	2843
742	Rus	2844	jmp .not_style_3
549	spraid	2845	.draw_caption_style_3:
114	mikedld	2846
742	Rus	2847	push edx
		2848	call drawwindow_IV_caption
		2849	add esp,4
		2850	jmp .2
114	mikedld	2851
		2852	.not_style_3:
742	Rus	2853	cmp bl,2
		2854	jne .not_style_2
114	mikedld	2855
742	Rus	2856	call drawwindow_III_caption
		2857	jmp .2
114	mikedld	2858
		2859	.not_style_2:
742	Rus	2860	cmp bl,0
		2861	jne .2
114	mikedld	2862
742	Rus	2863	call drawwindow_I_caption
114	mikedld	2864
		2865	;--------------------------------------------------------------
742	Rus	2866	.2: ;jmp @f
		2867	mov edi,[CURRENT_TASK]
		2868	shl edi,5
		2869	test [edi+window_data+WDATA.fl_wstyle],WSTYLE_HASCAPTION
		2870	jz @f
		2871	mov edx,[edi*8+SLOT_BASE+APPDATA.wnd_caption]
		2872	or edx,edx
		2873	jz @f
114	mikedld	2874
742	Rus	2875	movzx eax,[edi+window_data+WDATA.fl_wstyle]
		2876	and al,0x0F
		2877	cmp al,3
		2878	je .skinned
		2879	cmp al,4
		2880	je .skinned
567	serge	2881
742	Rus	2882	jmp .not_skinned
567	serge	2883	.skinned:
742	Rus	2884	mov ebp,[edi+window_data+WDATA.box.left-2]
		2885	mov bp,word[edi+window_data+WDATA.box.top]
		2886	movzx eax,word[edi+window_data+WDATA.box.width]
		2887	sub ax,[_skinmargins.left]
		2888	sub ax,[_skinmargins.right]
		2889	push edx
		2890	cwde
		2891	cdq
		2892	mov ebx,6
		2893	idiv ebx
		2894	pop edx
		2895	or eax,eax
		2896	js @f
		2897	mov esi,eax
		2898	mov ebx,dword[_skinmargins.left-2]
		2899	mov bx,word[_skinh]
		2900	sub bx,[_skinmargins.bottom]
		2901	sub bx,[_skinmargins.top]
		2902	sar bx,1
		2903	adc bx,0
		2904	add bx,[_skinmargins.top]
		2905	add bx,-3
		2906	add ebx,ebp
		2907	jmp .dodraw
114	mikedld	2908
		2909	.not_skinned:
742	Rus	2910	cmp al,1
		2911	je @f
114	mikedld	2912
742	Rus	2913	mov ebp,[edi+window_data+WDATA.box.left-2]
		2914	mov bp,word[edi+window_data+WDATA.box.top]
		2915	movzx eax,word[edi+window_data+WDATA.box.width]
		2916	sub eax,16
		2917	push edx
		2918	cwde
		2919	cdq
		2920	mov ebx,6
		2921	idiv ebx
		2922	pop edx
		2923	or eax,eax
		2924	js @f
		2925	mov esi,eax
		2926	mov ebx,0x00080007
		2927	add ebx,ebp
139	diamond	2928	.dodraw:
742	Rus	2929	mov ecx,[common_colours+16];0x00FFFFFF
		2930	or ecx, 0x80000000
		2931	xor edi,edi
803	alver	2932	; // Alver 22.06.2008 // {
		2933	; call dtext
		2934	call dtext_asciiz_esi
		2935	; } \\ Alver \\
114	mikedld	2936
		2937	@@:
		2938	;--------------------------------------------------------------
742	Rus	2939	dec [mouse_pause]
		2940	call [draw_pointer]
		2941	ret
114	mikedld	2942
		2943	iglobal
		2944	align 4
		2945	window_topleft dd \
549	spraid	2946	1, 21,\ ;type 0
742	Rus	2947	0, 0,\ ;type 1
		2948	5, 20,\ ;type 2
		2949	5, ?,\ ;type 3 {set by skin}
		2950	5, ? ;type 4 {set by skin}
114	mikedld	2951	endg
		2952
		2953	set_window_clientbox:
742	Rus	2954	push eax ecx edi
114	mikedld	2955
742	Rus	2956	mov eax,[_skinh]
		2957	mov [window_topleft+4*7],eax
		2958	mov [window_topleft+4*9],eax
114	mikedld	2959
742	Rus	2960	mov ecx,edi
		2961	sub edi,window_data
		2962	shl edi,3
		2963	test [ecx+WDATA.fl_wstyle],WSTYLE_CLIENTRELATIVE
		2964	jz @f
114	mikedld	2965
742	Rus	2966	movzx eax,[ecx+WDATA.fl_wstyle]
		2967	and eax,0x0F
		2968	mov eax,[eax*8+window_topleft+0]
		2969	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.left],eax
		2970	shl eax,1
		2971	neg eax
		2972	add eax,[ecx+WDATA.box.width]
		2973	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.width],eax
114	mikedld	2974
742	Rus	2975	movzx eax,[ecx+WDATA.fl_wstyle]
		2976	and eax,0x0F
		2977	push [eax*8+window_topleft+0]
		2978	mov eax,[eax*8+window_topleft+4]
		2979	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.top],eax
		2980	neg eax
		2981	sub eax,[esp]
		2982	add eax,[ecx+WDATA.box.height]
		2983	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.height],eax
		2984	add esp,4
114	mikedld	2985
742	Rus	2986	pop edi ecx eax
		2987	ret
114	mikedld	2988	@@:
742	Rus	2989	xor eax,eax
		2990	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.left],eax
		2991	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.top],eax
		2992	mov eax,[ecx+WDATA.box.width]
		2993	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.width],eax
		2994	mov eax,[ecx+WDATA.box.height]
		2995	mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.height],eax
114	mikedld	2996
742	Rus	2997	pop edi ecx eax
		2998	ret
114	mikedld	2999
1	ha	3000	sys_set_window:
		3001
684	diamond	3002	mov eax,[CURRENT_TASK]
		3003	shl eax,5
		3004	add eax,window_data
1	ha	3005
		3006	; colors
684	diamond	3007	mov [eax+WDATA.cl_workarea],edx
		3008	mov [eax+WDATA.cl_titlebar],esi
		3009	mov [eax+WDATA.cl_frames],edi
1	ha	3010
684	diamond	3011	mov edi, eax
		3012
1	ha	3013	; check flag (?)
186	diamond	3014	test [edi+WDATA.fl_wdrawn],1
		3015	jnz newd
1	ha	3016
		3017	mov eax,[timer_ticks] ;[0xfdf0]
		3018	add eax,100
		3019	mov [new_window_starting],eax
		3020
684	diamond	3021	mov word[edi+WDATA.box.width],bx
		3022	mov word[edi+WDATA.box.height],cx
114	mikedld	3023	sar ebx,16
684	diamond	3024	sar ecx,16
		3025	mov word[edi+WDATA.box.left],bx
		3026	mov word[edi+WDATA.box.top],cx
1	ha	3027
		3028	call check_window_position
		3029
164	serge	3030	call set_window_clientbox
1	ha	3031
742	Rus	3032	push ecx esi edi ; save for window fullscreen/resize
114	mikedld	3033	;mov esi,edi
		3034
742	Rus	3035	mov cl, [edi+WDATA.fl_wstyle]
		3036	mov eax, [edi+WDATA.cl_frames]
114	mikedld	3037
1	ha	3038	sub edi,window_data
114	mikedld	3039	shl edi,3
380	serge	3040	add edi,SLOT_BASE
114	mikedld	3041
742	Rus	3042	and cl,0x0F
		3043	mov [edi+APPDATA.wnd_caption],0
		3044	cmp cl,3
		3045	je set_APPDATA_wnd_caption
		3046	cmp cl,4 ; {SPraid.simba}
		3047	je set_APPDATA_wnd_caption
567	serge	3048
742	Rus	3049	jmp @f
549	spraid	3050	set_APPDATA_wnd_caption:
742	Rus	3051	mov [edi+APPDATA.wnd_caption],eax
		3052	@@: mov esi,[esp+0]
114	mikedld	3053
115	poddubny	3054	add edi, APPDATA.saved_box
742	Rus	3055	movsd
		3056	movsd
		3057	movsd
		3058	movsd
1	ha	3059	pop edi esi ecx
		3060
742	Rus	3061	mov esi, [CURRENT_TASK]
		3062	movzx esi, word [WIN_STACK+esi*2]
		3063	lea esi, [WIN_POS+esi*2]
		3064	call waredraw
569	diamond	3065
684	diamond	3066	;;; mov ebx, 1
1	ha	3067	;;; call delay_hs
115	poddubny	3068	mov eax, [edi+WDATA.box.left]
		3069	mov ebx, [edi+WDATA.box.top]
		3070	mov ecx, [edi+WDATA.box.width]
		3071	mov edx, [edi+WDATA.box.height]
1	ha	3072	add ecx, eax
		3073	add edx, ebx
		3074	call calculatescreen
		3075
742	Rus	3076	mov [KEY_COUNT],byte 0 ; empty keyboard buffer
		3077	mov [BTN_COUNT],byte 0 ; empty button buffer
1	ha	3078
		3079	newd:
742	Rus	3080	mov [edi+WDATA.fl_redraw],byte 0 ; no redraw
1	ha	3081	mov edx,edi
		3082
		3083	ret
		3084
114	mikedld	3085	syscall_windowsettings:
1	ha	3086
114	mikedld	3087	.set_window_caption:
742	Rus	3088	dec eax ; subfunction #1 - set window caption
		3089	jnz .get_window_caption
114	mikedld	3090
742	Rus	3091	; NOTE: only window owner thread can set its caption,
		3092	; so there's no parameter for PID/TID
114	mikedld	3093
742	Rus	3094	mov edi,[CURRENT_TASK]
		3095	shl edi,5
114	mikedld	3096
742	Rus	3097	; have to check if caption is within application memory limit
		3098	; check is trivial, and if application resizes its memory,
		3099	; caption still can become over bounds
202	diamond	3100	; diamond, 31.10.2006: check removed because with new memory manager
		3101	; there can be valid data after APPDATA.mem_size bound
380	serge	3102	; mov ecx,[edi*8+SLOT_BASE+APPDATA.mem_size]
202	diamond	3103	; add ecx,255 ; max caption length
		3104	; cmp ebx,ecx
		3105	; ja .exit_fail
114	mikedld	3106
742	Rus	3107	mov [edi*8+SLOT_BASE+APPDATA.wnd_caption],ebx
		3108	or [edi+window_data+WDATA.fl_wstyle],WSTYLE_HASCAPTION
114	mikedld	3109
742	Rus	3110	call draw_window_caption
114	mikedld	3111
742	Rus	3112	xor eax,eax ; eax = 0 (success)
		3113	ret
114	mikedld	3114
		3115	.get_window_caption:
742	Rus	3116	dec eax ; subfunction #2 - get window caption
		3117	jnz .exit_fail
114	mikedld	3118
742	Rus	3119	; not implemented yet
114	mikedld	3120
		3121	.exit_fail:
742	Rus	3122	xor eax,eax
		3123	inc eax ; eax = 1 (fail)
		3124	ret
114	mikedld	3125
		3126
1	ha	3127	sys_window_move:
		3128
742	Rus	3129	mov edi,[CURRENT_TASK]
		3130	shl edi,5
		3131	add edi,window_data
1	ha	3132
742	Rus	3133	test [edi+WDATA.fl_wstate],WSTATE_MAXIMIZED
		3134	jnz .window_move_return
1	ha	3135
742	Rus	3136	push dword [edi + WDATA.box.left] ; save old coordinates
		3137	push dword [edi + WDATA.box.top]
		3138	push dword [edi + WDATA.box.width]
		3139	push dword [edi + WDATA.box.height]
1	ha	3140
742	Rus	3141	cmp eax,-1 ; set new position and size
		3142	je .no_x_reposition
		3143	mov [edi + WDATA.box.left], eax
49	mikedld	3144	.no_x_reposition:
742	Rus	3145	cmp ebx,-1
		3146	je .no_y_reposition
		3147	mov [edi + WDATA.box.top], ebx
49	mikedld	3148	.no_y_reposition:
1	ha	3149
742	Rus	3150	test [edi+WDATA.fl_wstate],WSTATE_ROLLEDUP
		3151	jnz .no_y_resizing
1	ha	3152
742	Rus	3153	cmp ecx,-1
		3154	je .no_x_resizing
		3155	mov [edi + WDATA.box.width], ecx
49	mikedld	3156	.no_x_resizing:
742	Rus	3157	cmp edx,-1
		3158	je .no_y_resizing
		3159	mov [edi + WDATA.box.height], edx
49	mikedld	3160	.no_y_resizing:
1	ha	3161
742	Rus	3162	call check_window_position
		3163	call set_window_clientbox
1	ha	3164
742	Rus	3165	pushad ; save for window fullscreen/resize
		3166	mov esi,edi
		3167	sub edi,window_data
		3168	shr edi,5
		3169	shl edi,8
		3170	add edi, SLOT_BASE + APPDATA.saved_box
		3171	mov ecx,4
		3172	cld
		3173	rep movsd
		3174	popad
49	mikedld	3175
742	Rus	3176	pushad ; calculcate screen at new position
		3177	mov eax, [edi + WDATA.box.left]
		3178	mov ebx, [edi + WDATA.box.top]
		3179	mov ecx, [edi + WDATA.box.width]
		3180	mov edx, [edi + WDATA.box.height]
		3181	add ecx,eax
		3182	add edx,ebx
221	serge	3183
742	Rus	3184	call calculatescreen
		3185	popad
49	mikedld	3186
742	Rus	3187	pop edx ; calculcate screen at old position
		3188	pop ecx
		3189	pop ebx
		3190	pop eax
		3191	add ecx,eax
		3192	add edx,ebx
		3193	mov [dlx],eax ; save for drawlimits
		3194	mov [dly],ebx
		3195	mov [dlxe],ecx
		3196	mov [dlye],edx
		3197	call calculatescreen
49	mikedld	3198
742	Rus	3199	mov [edi + WDATA.fl_redraw], 1 ; flag the process as redraw
49	mikedld	3200
742	Rus	3201	mov eax,edi ; redraw screen at old position
		3202	xor esi,esi
		3203	call redrawscreen
49	mikedld	3204
742	Rus	3205	mov [DONT_DRAW_MOUSE],byte 0 ; mouse pointer
		3206	mov [MOUSE_BACKGROUND],byte 0 ; no mouse under
		3207	mov [MOUSE_DOWN],byte 0 ; react to mouse up/down
49	mikedld	3208
742	Rus	3209	call [draw_pointer]
49	mikedld	3210
742	Rus	3211	mov [window_move_pr],0
49	mikedld	3212
		3213	.window_move_return:
		3214
742	Rus	3215	ret
1	ha	3216
		3217	uglobal
		3218	window_move_pr dd 0x0
		3219	window_move_eax dd 0x0
		3220	window_move_ebx dd 0x0
		3221	window_move_ecx dd 0x0
		3222	window_move_edx dd 0x0
		3223	endg
		3224
		3225	;ok - 100% work
		3226	;nt - not tested
		3227	;---------------------------------------------------------------------------------------------
		3228	;eax
		3229	;0 - task switch counter. Ret switch counter in eax. Block. ok.
		3230	;1 - change task. Ret nothing. Block. ok.
		3231	;2 - performance control
		3232	; ebx
		3233	; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
		3234	; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
		3235	; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
		3236	; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
		3237	; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
		3238	;eax
		3239	;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		3240	;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		3241	;---------------------------------------------------------------------------------------------
		3242	sys_sheduler: ;noname & halyavin
		3243	cmp eax,0
		3244	je shed_counter
		3245	cmp eax,2
		3246	je perf_control
		3247	cmp eax,3
		3248	je rdmsr_instr
		3249	cmp eax,4
		3250	je wrmsr_instr
		3251	cmp eax,1
		3252	jne not_supported
		3253	call change_task ;delay,0
		3254	ret
		3255	shed_counter:
		3256	mov eax,[context_counter]
		3257	mov [esp+36],eax
		3258	not_supported:
		3259	ret
		3260	perf_control:
		3261	inc eax ;now eax=3
		3262	cmp ebx,eax
		3263	je cache_disable
		3264	dec eax
		3265	cmp ebx,eax
		3266	je cache_enable
		3267	dec eax
		3268	cmp ebx,eax
		3269	je is_cache_enabled
		3270	dec eax
		3271	cmp ebx,eax
		3272	je modify_pce
		3273	ret
		3274
		3275	rdmsr_instr:
		3276	;now counter in ecx
		3277	;(edx:eax) esi:edi => edx:esi
		3278	mov eax,esi
		3279	rdmsr
		3280	mov [esp+36],eax
		3281	mov [esp+24],edx ;ret in ebx?
		3282	ret
		3283
		3284	wrmsr_instr:
		3285	;now counter in ecx
		3286	;(edx:eax) esi:edi => edx:esi
482	Ghost	3287	; Fast Call MSR can't be destroy
		3288	; �� MSR_AMD_EFER �� , �.�. � ��
		3289	; ��/��
		3290	cmp ecx, MSR_SYSENTER_CS
		3291	je @f
		3292	cmp ecx, MSR_SYSENTER_ESP
		3293	je @f
		3294	cmp ecx, MSR_SYSENTER_EIP
		3295	je @f
		3296	cmp ecx, MSR_AMD_STAR
		3297	je @f
		3298
		3299	mov eax, esi
		3300	wrmsr
742	Rus	3301	; mov [esp + 36], eax
		3302	; mov [esp + 24], edx ;ret in ebx?
482	Ghost	3303	@@:
1	ha	3304	ret
		3305
		3306	cache_disable:
		3307	mov eax,cr0
		3308	or eax,01100000000000000000000000000000b
		3309	mov cr0,eax
		3310	wbinvd ;set MESI
		3311	ret
		3312
		3313	cache_enable:
		3314	mov eax,cr0
		3315	and eax,10011111111111111111111111111111b
		3316	mov cr0,eax
		3317	ret
		3318
		3319	is_cache_enabled:
		3320	mov eax,cr0
		3321	mov ebx,eax
		3322	and eax,01100000000000000000000000000000b
		3323	jz cache_disabled
		3324	mov [esp+36],ebx
		3325	cache_disabled:
		3326	mov dword [esp+36],eax ;0
		3327	ret
		3328
		3329	modify_pce:
		3330	mov eax,cr4
		3331	; mov ebx,0
		3332	; or bx,100000000b ;pce
		3333	; xor eax,ebx ;invert pce
17	me_root	3334	bts eax,8 ;pce=cr4[8]
1	ha	3335	mov cr4,eax
		3336	mov [esp+36],eax
		3337	ret
		3338	;---------------------------------------------------------------------------------------------
		3339
		3340
		3341	; check if pixel is allowed to be drawn
		3342
		3343	checkpixel:
742	Rus	3344	push eax edx
1	ha	3345
759	Rus	3346	mov edx,[Screen_Max_X] ; screen x size
742	Rus	3347	inc edx
		3348	imul edx, ebx
		3349	mov dl, [eax+edx+display_data] ; lea eax, [...]
1	ha	3350
742	Rus	3351	xor ecx, ecx
		3352	mov eax, [CURRENT_TASK]
		3353	cmp al, dl
		3354	setne cl
1	ha	3355
742	Rus	3356	pop edx eax
		3357	ret
1	ha	3358
		3359	iglobal
521	diamond	3360	cpustring db 'CPU',0
1	ha	3361	endg
		3362
67	diamond	3363	uglobal
742	Rus	3364	background_defined db 0 ; diamond, 11.04.2006
67	diamond	3365	endg
1	ha	3366
		3367	align 4
		3368	; check misc
		3369
		3370	checkmisc:
		3371
		3372	cmp [ctrl_alt_del], 1
		3373	jne nocpustart
501	serge	3374
742	Rus	3375	mov ebp, cpustring
		3376	call fs_execute_from_sysdir
501	serge	3377
1	ha	3378	mov [ctrl_alt_del], 0
465	serge	3379
		3380	nocpustart:
1	ha	3381	cmp [mouse_active], 1
		3382	jne mouse_not_active
		3383	mov [mouse_active], 0
		3384	xor edi, edi
742	Rus	3385	mov ecx, [TASK_COUNT]
465	serge	3386	set_mouse_event:
1	ha	3387	add edi, 256
742	Rus	3388	or [edi+SLOT_BASE+APPDATA.event_mask], dword 100000b
1	ha	3389	loop set_mouse_event
		3390
465	serge	3391	mouse_not_active:
742	Rus	3392	cmp [REDRAW_BACKGROUND],byte 0 ; background update ?
		3393	jz nobackgr
76	mario79	3394	cmp [background_defined], 0
742	Rus	3395	jz nobackgr
709	diamond	3396	cmp [REDRAW_BACKGROUND], byte 2
		3397	jnz no_set_bgr_event
473	diamond	3398	xor edi, edi
742	Rus	3399	mov ecx, [TASK_COUNT]
473	diamond	3400	set_bgr_event:
		3401	add edi, 256
742	Rus	3402	or [edi+SLOT_BASE+APPDATA.event_mask], 16
473	diamond	3403	loop set_bgr_event
709	diamond	3404	no_set_bgr_event:
		3405	; mov [draw_data+32 + RECT.left],dword 0
		3406	; mov [draw_data+32 + RECT.top],dword 0
753	serge	3407	; mov eax,[Screen_Max_X]
		3408	; mov ebx,[Screen_Max_Y]
709	diamond	3409	; mov [draw_data+32 + RECT.right],eax
		3410	; mov [draw_data+32 + RECT.bottom],ebx
1	ha	3411	call drawbackground
381	serge	3412	mov [REDRAW_BACKGROUND],byte 0
		3413	mov [MOUSE_BACKGROUND],byte 0
1	ha	3414
465	serge	3415	nobackgr:
1	ha	3416
		3417	; system shutdown request
		3418
381	serge	3419	cmp [SYS_SHUTDOWN],byte 0
742	Rus	3420	je noshutdown
1	ha	3421
		3422	mov edx,[shutdown_processes]
		3423
381	serge	3424	cmp [SYS_SHUTDOWN],dl
1	ha	3425	jne no_mark_system_shutdown
		3426
709	diamond	3427	lea ecx,[edx-1]
465	serge	3428	mov edx,OS_BASE+0x3040
709	diamond	3429	jecxz @f
465	serge	3430	markz:
115	poddubny	3431	mov [edx+TASKDATA.state],byte 3
1	ha	3432	add edx,0x20
		3433	loop markz
709	diamond	3434	@@:
1	ha	3435
		3436	no_mark_system_shutdown:
		3437
		3438	call [disable_mouse]
		3439
381	serge	3440	dec byte [SYS_SHUTDOWN]
742	Rus	3441	je system_shutdown
1	ha	3442
465	serge	3443	noshutdown:
1	ha	3444
		3445
742	Rus	3446	mov eax,[TASK_COUNT] ; termination
379	serge	3447	mov ebx,TASK_DATA+TASKDATA.state
1	ha	3448	mov esi,1
		3449
465	serge	3450	newct:
1	ha	3451	mov cl,[ebx]
		3452	cmp cl,byte 3
742	Rus	3453	jz terminate
1	ha	3454	cmp cl,byte 4
742	Rus	3455	jz terminate
1	ha	3456
		3457	add ebx,0x20
		3458	inc esi
		3459	dec eax
		3460	jnz newct
		3461	ret
		3462
		3463	; redraw screen
		3464
		3465	redrawscreen:
		3466
		3467	; eax , if process window_data base is eax, do not set flag/limits
		3468
742	Rus	3469	pushad
		3470	push eax
1	ha	3471
684	diamond	3472	;;; mov ebx,2
1	ha	3473	;;; call delay_hs
		3474
742	Rus	3475	;mov ecx,0 ; redraw flags for apps
		3476	xor ecx,ecx
1	ha	3477	newdw2:
		3478
742	Rus	3479	inc ecx
		3480	push ecx
1	ha	3481
742	Rus	3482	mov eax,ecx
		3483	shl eax,5
		3484	add eax,window_data
1	ha	3485
742	Rus	3486	cmp eax,[esp+4]
		3487	je not_this_task
		3488	; check if window in redraw area
		3489	mov edi,eax
1	ha	3490
742	Rus	3491	cmp ecx,1 ; limit for background
		3492	jz bgli
1	ha	3493
742	Rus	3494	mov eax, [edi + WDATA.box.left]
		3495	mov ebx, [edi + WDATA.box.top]
		3496	mov ecx, [edi + WDATA.box.width]
		3497	mov edx, [edi + WDATA.box.height]
		3498	add ecx,eax
		3499	add edx,ebx
1	ha	3500
742	Rus	3501	mov ecx,[dlye] ; ecx = area y end ebx = window y start
		3502	cmp ecx,ebx
		3503	jb ricino
1	ha	3504
742	Rus	3505	mov ecx,[dlxe] ; ecx = area x end eax = window x start
		3506	cmp ecx,eax
		3507	jb ricino
1	ha	3508
742	Rus	3509	mov eax, [edi + WDATA.box.left]
		3510	mov ebx, [edi + WDATA.box.top]
		3511	mov ecx, [edi + WDATA.box.width]
		3512	mov edx, [edi + WDATA.box.height]
		3513	add ecx, eax
		3514	add edx, ebx
164	serge	3515
742	Rus	3516	mov eax,[dly] ; eax = area y start edx = window y end
		3517	cmp edx,eax
		3518	jb ricino
1	ha	3519
742	Rus	3520	mov eax,[dlx] ; eax = area x start ecx = window x end
		3521	cmp ecx,eax
		3522	jb ricino
1	ha	3523
742	Rus	3524	bgli:
1	ha	3525
742	Rus	3526	cmp ecx,1
		3527	jnz .az
		3528	mov al,[REDRAW_BACKGROUND]
		3529	cmp al,2
		3530	jz newdw8
		3531	test al,al
		3532	jz .az
		3533	lea eax,[edi+draw_data-window_data]
		3534	mov ebx,[dlx]
		3535	cmp ebx,[eax+RECT.left]
		3536	jae @f
		3537	mov [eax+RECT.left],ebx
		3538	@@:
		3539	mov ebx,[dly]
		3540	cmp ebx,[eax+RECT.top]
		3541	jae @f
		3542	mov [eax+RECT.top],ebx
		3543	@@:
		3544	mov ebx,[dlxe]
		3545	cmp ebx,[eax+RECT.right]
		3546	jbe @f
		3547	mov [eax+RECT.right],ebx
		3548	@@:
		3549	mov ebx,[dlye]
		3550	cmp ebx,[eax+RECT.bottom]
		3551	jbe @f
		3552	mov [eax+RECT.bottom],ebx
		3553	@@:
		3554	jmp newdw8
		3555	.az:
1	ha	3556
742	Rus	3557	mov eax,edi
		3558	add eax,draw_data-window_data
1	ha	3559
742	Rus	3560	mov ebx,[dlx] ; set limits
		3561	mov [eax + RECT.left], ebx
		3562	mov ebx,[dly]
		3563	mov [eax + RECT.top], ebx
		3564	mov ebx,[dlxe]
		3565	mov [eax + RECT.right], ebx
		3566	mov ebx,[dlye]
		3567	mov [eax + RECT.bottom], ebx
1	ha	3568
742	Rus	3569	sub eax,draw_data-window_data
1	ha	3570
742	Rus	3571	cmp dword [esp],1
		3572	jne nobgrd
		3573	mov byte [REDRAW_BACKGROUND], 1
1	ha	3574
		3575	newdw8:
		3576	nobgrd:
		3577
742	Rus	3578	mov [eax + WDATA.fl_redraw],byte 1 ; mark as redraw
1	ha	3579
		3580	ricino:
		3581
		3582	not_this_task:
		3583
742	Rus	3584	pop ecx
1	ha	3585
742	Rus	3586	cmp ecx,[TASK_COUNT]
		3587	jle newdw2
1	ha	3588
742	Rus	3589	pop eax
		3590	popad
1	ha	3591
742	Rus	3592	ret
1	ha	3593
		3594	calculatebackground: ; background
		3595
742	Rus	3596	; all black
1	ha	3597
742	Rus	3598	mov edi, [img_background] ;IMG_BACKGROUND ; set background to black
		3599	xor eax, eax
		3600	mov ecx, 1023 ;0x0fff00 / 4
		3601	cld
		3602	rep stosd
1	ha	3603
742	Rus	3604	mov edi,display_data ; set os to use all pixels
		3605	mov eax,0x01010101
		3606	mov ecx,1280*1024 / 4
		3607	rep stosd
1	ha	3608
742	Rus	3609	mov byte [REDRAW_BACKGROUND], 0 ; do not draw background!
1	ha	3610
742	Rus	3611	ret
1	ha	3612
		3613	uglobal
742	Rus	3614	imax dd 0x0
1	ha	3615	endg
		3616
		3617
		3618
		3619	delay_ms: ; delay in 1/1000 sec
		3620
		3621
742	Rus	3622	push eax
		3623	push ecx
1	ha	3624
742	Rus	3625	mov ecx,esi
		3626	;
		3627	imul ecx, 33941
		3628	shr ecx, 9
		3629	;
1	ha	3630
742	Rus	3631	in al,0x61
		3632	and al,0x10
		3633	mov ah,al
		3634	cld
1	ha	3635
742	Rus	3636	cnt1: in al,0x61
		3637	and al,0x10
		3638	cmp al,ah
		3639	jz cnt1
1	ha	3640
742	Rus	3641	mov ah,al
		3642	loop cnt1
1	ha	3643
742	Rus	3644	pop ecx
		3645	pop eax
1	ha	3646
742	Rus	3647	ret
1	ha	3648
		3649
		3650	set_app_param:
742	Rus	3651	mov edi, [TASK_BASE]
		3652	mov [edi + TASKDATA.event_mask], ebx
		3653	ret
1	ha	3654
		3655
		3656
		3657	delay_hs: ; delay in 1/100 secs
684	diamond	3658	; ebx = delay time
742	Rus	3659	push ecx
		3660	push edx
1	ha	3661
742	Rus	3662	mov edx,[timer_ticks]
1	ha	3663
		3664	newtic:
742	Rus	3665	mov ecx,[timer_ticks]
		3666	sub ecx,edx
		3667	cmp ecx,ebx
		3668	jae zerodelay
1	ha	3669
742	Rus	3670	call change_task
1	ha	3671
742	Rus	3672	jmp newtic
1	ha	3673
		3674	zerodelay:
742	Rus	3675	pop edx
		3676	pop ecx
1	ha	3677
742	Rus	3678	ret
1	ha	3679
		3680
		3681	memmove: ; memory move in bytes
		3682
		3683	; eax = from
		3684	; ebx = to
		3685	; ecx = no of bytes
		3686	test ecx, ecx
		3687	jle .ret
		3688
		3689
		3690	push esi edi ecx
		3691
		3692	mov edi, ebx
		3693	mov esi, eax
		3694
		3695	test ecx, not 11b
742	Rus	3696	jz @f
1	ha	3697
		3698	push ecx
		3699	shr ecx, 2
		3700	rep movsd
		3701	pop ecx
		3702	and ecx, 11b
742	Rus	3703	jz .finish
1	ha	3704	@@:
		3705	rep movsb
		3706
		3707	.finish:
		3708	pop ecx edi esi
		3709	.ret:
		3710	ret
		3711
		3712
75	diamond	3713	; Sysfunction 34, read_floppy_file, is obsolete. Use 58 or 70 function instead.
		3714	;align 4
1	ha	3715	;
75	diamond	3716	;read_floppy_file:
1	ha	3717	;
75	diamond	3718	;; as input
		3719	;;
		3720	;; eax pointer to file
		3721	;; ebx file lenght
		3722	;; ecx start 512 byte block number
		3723	;; edx number of blocks to read
		3724	;; esi pointer to return/work area (atleast 20 000 bytes)
		3725	;;
		3726	;;
		3727	;; on return
		3728	;;
		3729	;; eax = 0 command succesful
		3730	;; 1 no fd base and/or partition defined
		3731	;; 2 yet unsupported FS
		3732	;; 3 unknown FS
		3733	;; 4 partition not defined at hd
		3734	;; 5 file not found
		3735	;; ebx = size of file
1	ha	3736	;
379	serge	3737	; mov edi,[TASK_BASE]
75	diamond	3738	; add edi,0x10
		3739	; add esi,[edi]
		3740	; add eax,[edi]
1	ha	3741	;
75	diamond	3742	; pushad
		3743	; mov edi,esi
		3744	; add edi,1024
		3745	; mov esi,0x100000+19*512
		3746	; sub ecx,1
		3747	; shl ecx,9
		3748	; add esi,ecx
		3749	; shl edx,9
		3750	; mov ecx,edx
		3751	; cld
		3752	; rep movsb
		3753	; popad
		3754	;
		3755	; mov [esp+36],eax
		3756	; mov [esp+24],ebx
		3757	; ret
1	ha	3758
		3759
		3760
		3761	align 4
		3762
		3763	sys_programirq:
		3764
765	Rus	3765	mov eax, [TASK_BASE]
		3766	add ebx, [eax + TASKDATA.mem_start]
1	ha	3767
765	Rus	3768	cmp ecx, 16
75	diamond	3769	jae .not_owner
765	Rus	3770	mov edi, [eax + TASKDATA.pid]
		3771	cmp edi, [irq_owner + 4 * ecx]
		3772	je .spril1
75	diamond	3773	.not_owner:
765	Rus	3774	xor ecx, ecx
		3775	jmp .end
		3776	.spril1:
1	ha	3777
765	Rus	3778	shl ecx, 6
		3779	mov esi, ebx
		3780	lea edi, [irq00read + ecx]
		3781	push 16
		3782	pop ecx
		3783
1	ha	3784	cld
		3785	rep movsd
765	Rus	3786	.end:
		3787	mov [esp+32], ecx
1	ha	3788	ret
		3789
		3790
		3791	align 4
		3792
		3793	get_irq_data:
760	Rus	3794	movzx esi, bh ; save number of subfunction, if bh = 1, return data size, otherwise, read data
		3795	xor bh, bh
		3796	cmp ebx, 16
75	diamond	3797	jae .not_owner
760	Rus	3798	mov edx, [4 * ebx + irq_owner] ; check for irq owner
742	Rus	3799
760	Rus	3800	mov eax,[TASK_BASE]
742	Rus	3801
760	Rus	3802	cmp edx,[eax+TASKDATA.pid]
1	ha	3803	je gidril1
75	diamond	3804	.not_owner:
760	Rus	3805	xor edx, edx
		3806	dec edx
		3807	jmp gid1
1	ha	3808
		3809	gidril1:
		3810
760	Rus	3811	shl ebx, 12
		3812	lea eax, [ebx + IRQ_SAVE] ; calculate address of the beginning of buffer + 0x0 - data size
		3813	mov edx, [eax] ; + 0x4 - data offset
		3814	dec esi
1	ha	3815	jz gid1
760	Rus	3816	test edx, edx ; check if buffer is empty
		3817	jz gid1
1	ha	3818
760	Rus	3819	mov ebx, [eax + 0x4]
		3820	mov edi, ecx
742	Rus	3821
760	Rus	3822	mov ecx, 4000 ; buffer size, used frequently
742	Rus	3823
760	Rus	3824	cmp ebx, ecx ; check for the end of buffer, if end of buffer, begin cycle again
759	Rus	3825	jb @f
742	Rus	3826
760	Rus	3827	xor ebx, ebx
759	Rus	3828
		3829	@@:
		3830
760	Rus	3831	lea esi, [ebx + edx] ; calculate data size and offset
		3832	cld
		3833	cmp esi, ecx ; if greater than the buffer size, begin cycle again
		3834	jbe @f
759	Rus	3835
760	Rus	3836	sub ecx, ebx
		3837	sub edx, ecx
759	Rus	3838
760	Rus	3839	lea esi, [eax + ebx + 0x10]
		3840	rep movsb
		3841
		3842	xor ebx, ebx
		3843	@@:
		3844	lea esi, [eax + ebx + 0x10]
		3845	mov ecx, edx
		3846	add ebx, edx
		3847
		3848	rep movsb
		3849	mov edx, [eax]
		3850	mov [eax], ecx ; set data size to zero
		3851	mov [eax + 0x4], ebx ; set data offset
		3852
1	ha	3853	gid1:
760	Rus	3854	mov [esp+32], edx ; eax
1	ha	3855	ret
		3856
		3857
		3858	set_io_access_rights:
		3859
		3860	pushad
		3861
465	serge	3862	mov edi, tss._io_map_0
1	ha	3863
465	serge	3864	; mov ecx,eax
		3865	; and ecx,7 ; offset in byte
1	ha	3866
465	serge	3867	; shr eax,3 ; number of byte
		3868	; add edi,eax
1	ha	3869
465	serge	3870	; mov ebx,1
		3871	; shl ebx,cl
1	ha	3872
742	Rus	3873	cmp ebp,0 ; enable access - ebp = 0
1	ha	3874	jne siar1
		3875
465	serge	3876	; not ebx
		3877	; and [edi],byte bl
		3878	btr [edi], eax
1	ha	3879
		3880	popad
		3881
		3882	ret
		3883
465	serge	3884	siar1:
1	ha	3885
465	serge	3886	bts [edi], eax
		3887	; or [edi],byte bl ; disable access - ebp = 1
1	ha	3888
		3889	popad
		3890
		3891	ret
		3892
		3893	r_f_port_area:
		3894
		3895	test eax, eax
		3896	jnz free_port_area
		3897	; je r_port_area
		3898	; jmp free_port_area
		3899
		3900	; r_port_area:
		3901
		3902	pushad
		3903
742	Rus	3904	cmp ebx,ecx ; beginning > end ?
75	diamond	3905	ja rpal1
		3906	cmp ecx,65536
		3907	jae rpal1
381	serge	3908	mov esi,[RESERVED_PORTS]
742	Rus	3909	test esi,esi ; no reserved areas ?
1	ha	3910	je rpal2
742	Rus	3911	cmp esi,255 ; max reserved
75	diamond	3912	jae rpal1
465	serge	3913	rpal3:
1	ha	3914	mov edi,esi
		3915	shl edi,4
381	serge	3916	add edi,RESERVED_PORTS
1	ha	3917	cmp ebx,[edi+8]
75	diamond	3918	ja rpal4
1	ha	3919	cmp ecx,[edi+4]
		3920	jae rpal1
		3921	; jb rpal4
		3922	; jmp rpal1
465	serge	3923	rpal4:
1	ha	3924
		3925	dec esi
		3926	jnz rpal3
		3927	jmp rpal2
		3928	rpal1:
		3929	popad
		3930	mov eax,1
		3931	ret
		3932
		3933	rpal2:
		3934	popad
		3935
		3936
		3937	; enable port access at port IO map
		3938	cli
742	Rus	3939	pushad ; start enable io map
1	ha	3940
		3941	cmp ecx,65536 ;16384
		3942	jae no_unmask_io ; jge
		3943
		3944	mov eax,ebx
		3945
		3946	new_port_access:
		3947
		3948	pushad
		3949
742	Rus	3950	xor ebp,ebp ; enable - eax = port
1	ha	3951	call set_io_access_rights
		3952
		3953	popad
		3954
		3955	inc eax
		3956	cmp eax,ecx
		3957	jbe new_port_access
		3958
		3959	no_unmask_io:
		3960
742	Rus	3961	popad ; end enable io map
1	ha	3962	sti
		3963
381	serge	3964	mov edi,[RESERVED_PORTS]
1	ha	3965	add edi,1
381	serge	3966	mov [RESERVED_PORTS],edi
1	ha	3967	shl edi,4
381	serge	3968	add edi,RESERVED_PORTS
379	serge	3969	mov esi,[TASK_BASE]
115	poddubny	3970	mov esi,[esi+TASKDATA.pid]
1	ha	3971	mov [edi],esi
		3972	mov [edi+4],ebx
		3973	mov [edi+8],ecx
		3974
		3975	xor eax, eax
		3976	ret
		3977
		3978	free_port_area:
		3979
		3980	pushad
		3981
381	serge	3982	mov esi,[RESERVED_PORTS] ; no reserved areas ?
75	diamond	3983	test esi,esi
1	ha	3984	je frpal2
379	serge	3985	mov edx,[TASK_BASE]
115	poddubny	3986	mov edx,[edx+TASKDATA.pid]
1	ha	3987	frpal3:
		3988	mov edi,esi
		3989	shl edi,4
381	serge	3990	add edi,RESERVED_PORTS
1	ha	3991	cmp edx,[edi]
		3992	jne frpal4
		3993	cmp ebx,[edi+4]
		3994	jne frpal4
		3995	cmp ecx,[edi+8]
		3996	jne frpal4
		3997	jmp frpal1
		3998	frpal4:
		3999	dec esi
		4000	jnz frpal3
		4001	frpal2:
		4002	popad
		4003	mov eax,1
		4004	ret
		4005	frpal1:
		4006	mov ecx,256
		4007	sub ecx,esi
		4008	shl ecx,4
		4009	mov esi,edi
		4010	add esi,16
		4011	cld
		4012	rep movsb
		4013
381	serge	4014	dec dword [RESERVED_PORTS]
1	ha	4015
		4016	popad
		4017
		4018
		4019	; disable port access at port IO map
		4020
742	Rus	4021	pushad ; start disable io map
1	ha	4022
		4023	cmp ecx,65536 ;16384
		4024	jge no_mask_io
		4025
		4026	mov eax,ebx
		4027
		4028	new_port_access_disable:
		4029
		4030	pushad
		4031
742	Rus	4032	mov ebp,1 ; disable - eax = port
1	ha	4033	call set_io_access_rights
		4034
		4035	popad
		4036
		4037	inc eax
		4038	cmp eax,ecx
		4039	jbe new_port_access_disable
		4040
		4041	no_mask_io:
		4042
742	Rus	4043	popad ; end disable io map
1	ha	4044
		4045	xor eax, eax
		4046	ret
		4047
		4048
		4049	reserve_free_irq:
		4050
765	Rus	4051	xor esi, esi
		4052	inc esi
		4053	cmp ecx, 16
		4054	jae ril1
1	ha	4055
769	Rus	4056	push ecx
765	Rus	4057	lea ecx, [irq_owner + 4 * ecx]
		4058	mov edx, [ecx]
		4059	mov eax, [TASK_BASE]
		4060	mov edi, [eax + TASKDATA.pid]
769	Rus	4061	pop eax
765	Rus	4062	dec ebx
		4063	jnz reserve_irq
1	ha	4064
765	Rus	4065	cmp edx, edi
		4066	jne ril1
		4067	dec esi
		4068	mov [ecx], esi
		4069
		4070	jmp ril1
		4071
1	ha	4072	reserve_irq:
		4073
765	Rus	4074	cmp dword [ecx], 0
		4075	jne ril1
1	ha	4076
769	Rus	4077	mov ebx, [f_irqs + 4 * eax]
		4078
774	Rus	4079	stdcall attach_int_handler, eax, ebx, dword 0
769	Rus	4080
765	Rus	4081	mov [ecx], edi
769	Rus	4082
765	Rus	4083	dec esi
1	ha	4084	ril1:
765	Rus	4085	mov [esp+32], esi ; return in eax
1	ha	4086	ret
		4087
769	Rus	4088	iglobal
		4089	f_irqs:
		4090	dd 0x0
		4091	dd 0x0
		4092	dd p_irq2
		4093	dd p_irq3
		4094	dd p_irq4
		4095	dd p_irq5
		4096	dd p_irq6
		4097	dd p_irq7
		4098	dd p_irq8
		4099	dd p_irq9
		4100	dd p_irq10
		4101	dd p_irq11
		4102	dd 0x0
		4103	dd 0x0
		4104	dd p_irq14
		4105	dd p_irq15
		4106
		4107	endg
		4108
1	ha	4109	drawbackground:
33	mario79	4110	inc [mouse_pause]
381	serge	4111	cmp [SCR_MODE],word 0x12
117	mario79	4112	je dbrv20
1	ha	4113	dbrv12:
381	serge	4114	cmp [SCR_MODE],word 0100000000000000b
1	ha	4115	jge dbrv20
381	serge	4116	cmp [SCR_MODE],word 0x13
1	ha	4117	je dbrv20
		4118	call vesa12_drawbackground
33	mario79	4119	dec [mouse_pause]
36	mario79	4120	call [draw_pointer]
1	ha	4121	ret
		4122	dbrv20:
527	diamond	4123	cmp [BgrDrawMode],dword 1
1	ha	4124	jne bgrstr
		4125	call vesa20_drawbackground_tiled
33	mario79	4126	dec [mouse_pause]
36	mario79	4127	call [draw_pointer]
1	ha	4128	ret
		4129	bgrstr:
		4130	call vesa20_drawbackground_stretch
33	mario79	4131	dec [mouse_pause]
36	mario79	4132	call [draw_pointer]
1	ha	4133	ret
		4134
75	diamond	4135	align 4
1	ha	4136
742	Rus	4137	syscall_putimage: ; PutImage
1	ha	4138	sys_putimage:
53	mikedld	4139	test ecx,0x80008000
		4140	jnz .exit
		4141	test ecx,0x0000FFFF
		4142	jz .exit
		4143	test ecx,0xFFFF0000
		4144	jnz @f
		4145	.exit:
		4146	ret
		4147	@@:
742	Rus	4148	mov edi,[current_slot]
		4149	add dx,word[edi+APPDATA.wnd_clientbox.top]
		4150	rol edx,16
		4151	add dx,word[edi+APPDATA.wnd_clientbox.left]
		4152	rol edx,16
114	mikedld	4153	.forced:
742	Rus	4154	push ebp esi 0
		4155	mov ebp, putimage_get24bpp
		4156	mov esi, putimage_init24bpp
283	diamond	4157	sys_putimage_bpp:
		4158	; call [disable_mouse] ; this will be done in xxx_putimage
117	mario79	4159	; mov eax, vga_putimage
742	Rus	4160	cmp [SCR_MODE], word 0x12
		4161	jz @f ;.doit
		4162	mov eax, vesa12_putimage
		4163	cmp [SCR_MODE], word 0100000000000000b
		4164	jae @f
		4165	cmp [SCR_MODE], word 0x13
		4166	jnz .doit
75	diamond	4167	@@:
742	Rus	4168	mov eax, vesa20_putimage
75	diamond	4169	.doit:
742	Rus	4170	inc [mouse_pause]
		4171	call eax
		4172	dec [mouse_pause]
		4173	pop ebp esi ebp
		4174	jmp [draw_pointer]
1	ha	4175
283	diamond	4176	syscall_putimage_palette:
742	Rus	4177	mov edi, esi
		4178	mov esi, edx
		4179	mov edx, ecx
		4180	mov ecx, ebx
		4181	mov ebx, eax
283	diamond	4182	sys_putimage_palette:
		4183	; ebx = pointer to image
		4184	; ecx = [xsize]*65536 + [ysize]
		4185	; edx = [xstart]*65536 + [ystart]
314	diamond	4186	; esi = number of bits per pixel, must be 8, 24 or 32
283	diamond	4187	; edi = pointer to palette
314	diamond	4188	; ebp = row delta
742	Rus	4189	mov eax, [CURRENT_TASK]
		4190	shl eax, 8
		4191	add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
		4192	rol edx, 16
		4193	add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
		4194	rol edx, 16
283	diamond	4195	.forced:
742	Rus	4196	push ebp esi ebp
		4197	cmp esi, 8
		4198	jnz @f
		4199	mov ebp, putimage_get8bpp
		4200	mov esi, putimage_init8bpp
		4201	jmp sys_putimage_bpp
314	diamond	4202	@@:
742	Rus	4203	cmp esi, 24
		4204	jnz @f
		4205	mov ebp, putimage_get24bpp
		4206	mov esi, putimage_init24bpp
		4207	jmp sys_putimage_bpp
314	diamond	4208	@@:
742	Rus	4209	cmp esi, 32
		4210	jnz @f
		4211	mov ebp, putimage_get32bpp
		4212	mov esi, putimage_init32bpp
		4213	jmp sys_putimage_bpp
314	diamond	4214	@@:
742	Rus	4215	pop ebp esi
		4216	ret
283	diamond	4217
		4218	putimage_init24bpp:
742	Rus	4219	lea eax, [eax*3]
283	diamond	4220	putimage_init8bpp:
742	Rus	4221	ret
283	diamond	4222
		4223	putimage_get24bpp:
742	Rus	4224	mov eax, [esi]
		4225	add esi, 3
		4226	ret 4
283	diamond	4227	putimage_get8bpp:
742	Rus	4228	movzx eax, byte [esi]
		4229	push edx
		4230	mov edx, [esp+8]
		4231	mov eax, [edx+eax*4]
		4232	pop edx
		4233	inc esi
		4234	ret 4
283	diamond	4235
314	diamond	4236	putimage_init32bpp:
742	Rus	4237	shl eax, 2
		4238	ret
314	diamond	4239	putimage_get32bpp:
742	Rus	4240	lodsd
		4241	ret 4
314	diamond	4242
1	ha	4243	; eax x beginning
		4244	; ebx y beginning
		4245	; ecx x end
283	diamond	4246	; edx y end
1	ha	4247	; edi color
		4248
		4249	__sys_drawbar:
742	Rus	4250	mov esi,[current_slot]
		4251	add eax,[esi+APPDATA.wnd_clientbox.left]
		4252	add ecx,[esi+APPDATA.wnd_clientbox.left]
		4253	add ebx,[esi+APPDATA.wnd_clientbox.top]
		4254	add edx,[esi+APPDATA.wnd_clientbox.top]
114	mikedld	4255	.forced:
33	mario79	4256	inc [mouse_pause]
283	diamond	4257	; call [disable_mouse]
381	serge	4258	cmp [SCR_MODE],word 0x12
742	Rus	4259	je dbv20
1	ha	4260	sdbv20:
381	serge	4261	cmp [SCR_MODE],word 0100000000000000b
1	ha	4262	jge dbv20
381	serge	4263	cmp [SCR_MODE],word 0x13
742	Rus	4264	je dbv20
1	ha	4265	call vesa12_drawbar
33	mario79	4266	dec [mouse_pause]
36	mario79	4267	call [draw_pointer]
1	ha	4268	ret
		4269	dbv20:
		4270	call vesa20_drawbar
33	mario79	4271	dec [mouse_pause]
36	mario79	4272	call [draw_pointer]
1	ha	4273	ret
		4274
		4275
		4276
		4277	kb_read:
		4278
742	Rus	4279	push ecx edx
1	ha	4280
742	Rus	4281	mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
1	ha	4282	kr_loop:
742	Rus	4283	in al,0x64
		4284	test al,1
		4285	jnz kr_ready
		4286	loop kr_loop
		4287	mov ah,1
		4288	jmp kr_exit
1	ha	4289	kr_ready:
742	Rus	4290	push ecx
		4291	mov ecx,32
1	ha	4292	kr_delay:
742	Rus	4293	loop kr_delay
		4294	pop ecx
		4295	in al,0x60
		4296	xor ah,ah
1	ha	4297	kr_exit:
		4298
742	Rus	4299	pop edx ecx
1	ha	4300
742	Rus	4301	ret
1	ha	4302
		4303
		4304	kb_write:
		4305
742	Rus	4306	push ecx edx
1	ha	4307
742	Rus	4308	mov dl,al
265	diamond	4309	; mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
		4310	; kw_loop1:
		4311	; in al,0x64
		4312	; test al,0x20
		4313	; jz kw_ok1
		4314	; loop kw_loop1
		4315	; mov ah,1
		4316	; jmp kw_exit
		4317	; kw_ok1:
742	Rus	4318	in al,0x60
		4319	mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
1	ha	4320	kw_loop:
742	Rus	4321	in al,0x64
		4322	test al,2
		4323	jz kw_ok
		4324	loop kw_loop
		4325	mov ah,1
		4326	jmp kw_exit
1	ha	4327	kw_ok:
742	Rus	4328	mov al,dl
		4329	out 0x60,al
		4330	mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
1	ha	4331	kw_loop3:
742	Rus	4332	in al,0x64
		4333	test al,2
		4334	jz kw_ok3
		4335	loop kw_loop3
		4336	mov ah,1
		4337	jmp kw_exit
1	ha	4338	kw_ok3:
742	Rus	4339	mov ah,8
1	ha	4340	kw_loop4:
742	Rus	4341	mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
1	ha	4342	kw_loop5:
742	Rus	4343	in al,0x64
		4344	test al,1
		4345	jnz kw_ok4
		4346	loop kw_loop5
		4347	dec ah
		4348	jnz kw_loop4
1	ha	4349	kw_ok4:
742	Rus	4350	xor ah,ah
1	ha	4351	kw_exit:
		4352
742	Rus	4353	pop edx ecx
1	ha	4354
742	Rus	4355	ret
1	ha	4356
		4357
		4358	kb_cmd:
		4359
742	Rus	4360	mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
1	ha	4361	c_wait:
742	Rus	4362	in al,0x64
		4363	test al,2
		4364	jz c_send
		4365	loop c_wait
		4366	jmp c_error
1	ha	4367	c_send:
742	Rus	4368	mov al,bl
		4369	out 0x64,al
		4370	mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
1	ha	4371	c_accept:
742	Rus	4372	in al,0x64
		4373	test al,2
		4374	jz c_ok
		4375	loop c_accept
1	ha	4376	c_error:
742	Rus	4377	mov ah,1
		4378	jmp c_exit
1	ha	4379	c_ok:
742	Rus	4380	xor ah,ah
1	ha	4381	c_exit:
742	Rus	4382	ret
1	ha	4383
		4384
		4385	setmouse: ; set mousepicture -pointer
742	Rus	4386	; ps2 mouse enable
1	ha	4387
381	serge	4388	mov [MOUSE_PICTURE],dword mousepointer
1	ha	4389
		4390	cli
		4391
		4392	ret
		4393
		4394
		4395	_rdtsc:
164	serge	4396	bt [cpu_caps], CAPS_TSC
		4397	jnc ret_rdtsc
1	ha	4398	rdtsc
		4399	ret
		4400	ret_rdtsc:
		4401	mov edx,0xffffffff
		4402	mov eax,0xffffffff
		4403	ret
		4404
		4405	rerouteirqs:
		4406
742	Rus	4407	cli
1	ha	4408
742	Rus	4409	mov al,0x11 ; icw4, edge triggered
		4410	out 0x20,al
		4411	call pic_delay
		4412	out 0xA0,al
		4413	call pic_delay
1	ha	4414
742	Rus	4415	mov al,0x20 ; generate 0x20 +
		4416	out 0x21,al
		4417	call pic_delay
		4418	mov al,0x28 ; generate 0x28 +
		4419	out 0xA1,al
		4420	call pic_delay
1	ha	4421
742	Rus	4422	mov al,0x04 ; slave at irq2
		4423	out 0x21,al
		4424	call pic_delay
		4425	mov al,0x02 ; at irq9
		4426	out 0xA1,al
		4427	call pic_delay
1	ha	4428
742	Rus	4429	mov al,0x01 ; 8086 mode
		4430	out 0x21,al
		4431	call pic_delay
		4432	out 0xA1,al
		4433	call pic_delay
1	ha	4434
742	Rus	4435	mov al,255 ; mask all irq's
		4436	out 0xA1,al
		4437	call pic_delay
		4438	out 0x21,al
		4439	call pic_delay
1	ha	4440
742	Rus	4441	mov ecx,0x1000
		4442	cld
		4443	picl1: call pic_delay
		4444	loop picl1
1	ha	4445
742	Rus	4446	mov al,255 ; mask all irq's
		4447	out 0xA1,al
		4448	call pic_delay
		4449	out 0x21,al
		4450	call pic_delay
1	ha	4451
742	Rus	4452	cli
1	ha	4453
742	Rus	4454	ret
1	ha	4455
		4456
		4457	pic_delay:
		4458
742	Rus	4459	jmp pdl1
		4460	pdl1: ret
1	ha	4461
		4462
		4463	sys_msg_board_str:
		4464
		4465	pushad
		4466	@@:
		4467	cmp [esi],byte 0
		4468	je @f
		4469	mov eax,1
		4470	movzx ebx,byte [esi]
		4471	call sys_msg_board
		4472	inc esi
		4473	jmp @b
		4474	@@:
		4475	popad
		4476	ret
		4477
709	diamond	4478	sys_msg_board_byte:
		4479	; in: al = byte to display
		4480	; out: nothing
		4481	; destroys: nothing
742	Rus	4482	pushad
		4483	mov ecx, 2
		4484	shl eax, 24
		4485	jmp @f
709	diamond	4486
		4487	sys_msg_board_word:
		4488	; in: ax = word to display
		4489	; out: nothing
		4490	; destroys: nothing
742	Rus	4491	pushad
		4492	mov ecx, 4
		4493	shl eax, 16
		4494	jmp @f
709	diamond	4495
		4496	sys_msg_board_dword:
		4497	; in: eax = dword to display
		4498	; out: nothing
		4499	; destroys: nothing
742	Rus	4500	pushad
		4501	mov ecx, 8
709	diamond	4502	@@:
742	Rus	4503	push ecx
		4504	rol eax, 4
		4505	push eax
		4506	and al, 0xF
		4507	cmp al, 10
		4508	sbb al, 69h
		4509	das
		4510	mov bl, al
		4511	xor eax, eax
		4512	inc eax
		4513	call sys_msg_board
		4514	pop eax
		4515	pop ecx
		4516	loop @b
		4517	popad
		4518	ret
709	diamond	4519
1	ha	4520	uglobal
373	mikedld	4521	msg_board_data: times 4096 db 0
1	ha	4522	msg_board_count dd 0x0
		4523	endg
		4524
		4525	sys_msg_board:
		4526
		4527	; eax=1 : write : bl byte to write
		4528	; eax=2 : read : ebx=0 -> no data, ebx=1 -> data in al
		4529
671	Ghost	4530	mov ecx, [msg_board_count]
		4531	cmp eax, 1
		4532	jne .smbl1
1	ha	4533
		4534
671	Ghost	4535	mov [msg_board_data+ecx],bl
		4536	inc ecx
		4537	and ecx, 4095
		4538	mov [msg_board_count], ecx
		4539	mov [check_idle_semaphore], 5
		4540	ret
		4541	.smbl1:
		4542	cmp eax, 2
		4543	jne .smbl2
		4544	test ecx, ecx
		4545	jz .smbl21
		4546	mov eax, msg_board_data+1
		4547	mov ebx, msg_board_data
		4548	movzx edx, byte [ebx]
		4549	call memmove
		4550	dec [msg_board_count]
		4551	mov [esp + 36], edx ;eax
		4552	mov [esp + 24], dword 1
		4553	ret
		4554	.smbl21:
		4555	mov [esp+36], ecx
		4556	mov [esp+24], ecx
		4557	.smbl2:
		4558	ret
1	ha	4559
		4560
		4561
		4562	sys_process_def:
742	Rus	4563	mov edi, [CURRENT_TASK]
1	ha	4564
742	Rus	4565	dec eax ; 1 = set keyboard mode
1	ha	4566	jne no_set_keyboard_setup
		4567
		4568	shl edi,8
380	serge	4569	mov [edi+SLOT_BASE + APPDATA.keyboard_mode],bl
1	ha	4570
		4571	ret
		4572
		4573	no_set_keyboard_setup:
		4574
742	Rus	4575	dec eax ; 2 = get keyboard mode
1	ha	4576	jne no_get_keyboard_setup
		4577
		4578	shl edi,8
380	serge	4579	movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
1	ha	4580
		4581	mov [esp+36],eax
		4582
		4583	ret
		4584
		4585	no_get_keyboard_setup:
		4586
742	Rus	4587	dec eax ; 3 = get keyboard ctrl, alt, shift
1	ha	4588	jne no_get_keyboard_cas
		4589
		4590	; xor eax,eax
		4591	; movzx eax,byte [shift]
		4592	; movzx ebx,byte [ctrl]
		4593	; shl ebx,2
		4594	; add eax,ebx
		4595	; movzx ebx,byte [alt]
		4596	; shl ebx,3
		4597	; add eax,ebx
		4598
		4599	;// mike.dld [
		4600	mov eax, [kb_state]
		4601	;// mike.dld ]
		4602
		4603	mov [esp+36],eax
		4604
		4605	ret
		4606
		4607	no_get_keyboard_cas:
		4608
742	Rus	4609	dec eax
		4610	jnz no_add_keyboard_hotkey
1	ha	4611
742	Rus	4612	mov eax, hotkey_list
92	diamond	4613	@@:
742	Rus	4614	cmp dword [eax+8], 0
		4615	jz .found_free
		4616	add eax, 16
		4617	cmp eax, hotkey_list+16*256
		4618	jb @b
		4619	mov dword [esp+36], 1
		4620	ret
92	diamond	4621	.found_free:
742	Rus	4622	mov [eax+8], edi
		4623	mov [eax+4], ecx
		4624	movzx ebx, bl
		4625	lea ebx, [hotkey_scancodes+ebx*4]
		4626	mov ecx, [ebx]
		4627	mov [eax], ecx
		4628	mov [ebx], eax
		4629	mov [eax+12], ebx
		4630	jecxz @f
		4631	mov [ecx+12], eax
92	diamond	4632	@@:
742	Rus	4633	and dword [esp+36], 0
		4634	ret
92	diamond	4635
		4636	no_add_keyboard_hotkey:
		4637
742	Rus	4638	dec eax
		4639	jnz no_del_keyboard_hotkey
92	diamond	4640
742	Rus	4641	movzx ebx, bl
		4642	lea ebx, [hotkey_scancodes+ebx*4]
		4643	mov eax, [ebx]
92	diamond	4644	.scan:
742	Rus	4645	test eax, eax
		4646	jz .notfound
		4647	cmp [eax+8], edi
		4648	jnz .next
		4649	cmp [eax+4], ecx
		4650	jz .found
92	diamond	4651	.next:
742	Rus	4652	mov eax, [eax]
		4653	jmp .scan
92	diamond	4654	.notfound:
742	Rus	4655	mov dword [esp+36], 1
		4656	ret
92	diamond	4657	.found:
742	Rus	4658	mov ecx, [eax]
		4659	jecxz @f
		4660	mov edx, [eax+12]
		4661	mov [ecx+12], edx
92	diamond	4662	@@:
742	Rus	4663	mov ecx, [eax+12]
		4664	mov edx, [eax]
		4665	mov [ecx], edx
		4666	xor edx, edx
		4667	mov [eax+4], edx
		4668	mov [eax+8], edx
		4669	mov [eax+12], edx
		4670	mov [eax], edx
		4671	mov [esp+36], edx
		4672	ret
92	diamond	4673
		4674	no_del_keyboard_hotkey:
1	ha	4675	ret
		4676
		4677
		4678	align 4
		4679
742	Rus	4680	sys_gs: ; direct screen access
1	ha	4681
742	Rus	4682	cmp eax,1 ; resolution
1	ha	4683	jne no_gs1
753	serge	4684	mov eax,[Screen_Max_X]
1	ha	4685	shl eax,16
753	serge	4686	mov ax,[Screen_Max_Y]
1	ha	4687	add eax,0x00010001
		4688	mov [esp+36],eax
		4689	ret
		4690	no_gs1:
		4691
742	Rus	4692	cmp eax,2 ; bits per pixel
1	ha	4693	jne no_gs2
381	serge	4694	movzx eax,byte [ScreenBPP]
1	ha	4695	mov [esp+36],eax
		4696	ret
		4697	no_gs2:
		4698
742	Rus	4699	cmp eax,3 ; bytes per scanline
1	ha	4700	jne no_gs3
381	serge	4701	mov eax,[BytesPerScanLine]
1	ha	4702	mov [esp+36],eax
		4703	ret
		4704	no_gs3:
		4705
		4706	mov [esp+36],dword -1
		4707	ret
		4708
		4709
		4710	align 4 ; PCI functions
		4711
		4712	sys_pci:
		4713
		4714	call pci_api
		4715	mov [esp+36],eax
		4716	ret
		4717
		4718
		4719	align 4 ; system functions
		4720
742	Rus	4721	syscall_setpixel: ; SetPixel
1	ha	4722
742	Rus	4723	mov eax, ebx
		4724	mov ebx, ecx
		4725	mov ecx, edx
		4726	mov edx, [TASK_BASE]
		4727	add eax, [edx-twdw+WDATA.box.left]
		4728	add ebx, [edx-twdw+WDATA.box.top]
		4729	mov edi, [current_slot]
		4730	add eax, [edi+APPDATA.wnd_clientbox.left]
		4731	add ebx, [edi+APPDATA.wnd_clientbox.top]
		4732	xor edi, edi ; no force
684	diamond	4733	; mov edi, 1
742	Rus	4734	call [disable_mouse]
		4735	jmp [putpixel]
1	ha	4736
		4737	align 4
		4738
742	Rus	4739	syscall_writetext: ; WriteText
1	ha	4740
742	Rus	4741	mov eax,[TASK_BASE]
		4742	mov ebp,[eax-twdw+WDATA.box.left]
		4743	push esi
		4744	mov esi,[current_slot]
		4745	add ebp,[esi+APPDATA.wnd_clientbox.left]
		4746	shl ebp,16
		4747	add ebp,[eax-twdw+WDATA.box.top]
		4748	add bp,word[esi+APPDATA.wnd_clientbox.top]
		4749	pop esi
		4750	add ebx,ebp
		4751	mov eax,edi
		4752	xor edi,edi
		4753	jmp dtext
1	ha	4754
		4755	align 4
		4756
742	Rus	4757	syscall_openramdiskfile: ; OpenRamdiskFile
1	ha	4758
742	Rus	4759	mov eax, ebx
		4760	mov ebx, ecx
		4761	mov ecx, edx
		4762	mov edx, esi
		4763	mov esi, 12
		4764	call fileread
		4765	mov [esp+32], eax
		4766	ret
1	ha	4767
		4768	align 4
		4769
742	Rus	4770	syscall_drawrect: ; DrawRect
1	ha	4771
671	Ghost	4772	mov edi, edx ; color + gradient
		4773	and edi, 0x80FFFFFF
		4774	test bx, bx ; x.size
		4775	je .drectr
		4776	test cx, cx ; y.size
		4777	je .drectr
1	ha	4778
671	Ghost	4779	mov eax, ebx ; bad idea
		4780	mov ebx, ecx
1	ha	4781
671	Ghost	4782	movzx ecx, ax ; ecx - x.size
		4783	shr eax, 16 ; eax - x.coord
		4784	movzx edx, bx ; edx - y.size
		4785	shr ebx, 16 ; ebx - y.coord
		4786	mov esi, [current_slot]
1	ha	4787
671	Ghost	4788	add eax, [esi + APPDATA.wnd_clientbox.left]
		4789	add ebx, [esi + APPDATA.wnd_clientbox.top]
		4790	add ecx, eax
		4791	add edx, ebx
		4792	jmp [drawbar]
		4793	.drectr:
		4794	ret
1	ha	4795
		4796	align 4
742	Rus	4797	syscall_getscreensize: ; GetScreenSize
759	Rus	4798	mov ax, [Screen_Max_X]
671	Ghost	4799	shl eax, 16
759	Rus	4800	mov ax, [Screen_Max_Y]
671	Ghost	4801	mov [esp + 32], eax
		4802	ret
1	ha	4803
671	Ghost	4804	align 4
		4805
742	Rus	4806	syscall_cdaudio: ; CD
1	ha	4807
742	Rus	4808	cmp eax, 4
		4809	jb .audio
		4810	jz .eject
		4811	cmp eax, 5
		4812	jnz .ret
588	diamond	4813	.load:
742	Rus	4814	call .reserve
		4815	call LoadMedium
		4816	call .free
		4817	ret
588	diamond	4818	.eject:
742	Rus	4819	call .reserve
		4820	call clear_CD_cache
		4821	call allow_medium_removal
		4822	call EjectMedium
		4823	call .free
		4824	ret
588	diamond	4825	.audio:
1	ha	4826	call sys_cd_audio
		4827	mov [esp+36],eax
588	diamond	4828	.ret:
1	ha	4829	ret
		4830
588	diamond	4831	.reserve:
742	Rus	4832	call reserve_cd
		4833	mov eax, ebx
		4834	shr eax, 1
		4835	and eax, 1
		4836	inc eax
		4837	mov [ChannelNumber], ax
		4838	mov eax, ebx
		4839	and eax, 1
		4840	mov [DiskNumber], al
		4841	call reserve_cd_channel
		4842	and ebx, 3
		4843	inc ebx
		4844	mov [cdpos], ebx
		4845	add ebx, ebx
		4846	mov cl, 8
		4847	sub cl, bl
		4848	mov al, [DRIVE_DATA+1]
		4849	shr al, cl
		4850	test al, 2
		4851	jz .err
		4852	ret
588	diamond	4853	.free:
742	Rus	4854	call free_cd_channel
		4855	and [cd_status], 0
		4856	ret
590	diamond	4857	.err:
742	Rus	4858	call .free
		4859	pop eax
		4860	ret
588	diamond	4861
1	ha	4862	align 4
		4863
742	Rus	4864	syscall_getpixel: ; GetPixel
753	serge	4865	mov ecx, [Screen_Max_X]
1	ha	4866	inc ecx
671	Ghost	4867	xor edx, edx
		4868	mov eax, ebx
1	ha	4869	div ecx
671	Ghost	4870	mov ebx, edx
		4871	xchg eax, ebx
		4872	call dword [GETPIXEL] ; eax - x, ebx - y
		4873	mov [esp + 32], ecx
1	ha	4874	ret
		4875
		4876
		4877	align 4
		4878
742	Rus	4879	syscall_drawline: ; DrawLine
1	ha	4880
671	Ghost	4881	mov edi, [TASK_BASE]
752	Lrz	4882	movzx eax, word[edi-twdw+WDATA.box.left]
		4883	mov ebp, eax
671	Ghost	4884	mov esi, [current_slot]
		4885	add ebp, [esi+APPDATA.wnd_clientbox.left]
752	Lrz	4886	add ax, word[esi+APPDATA.wnd_clientbox.left]
		4887	add ebp,ebx
		4888	shl eax, 16
		4889	movzx ebx, word[edi-twdw+WDATA.box.top]
671	Ghost	4890	add eax, ebp
752	Lrz	4891	mov ebp, ebx
671	Ghost	4892	add ebp, [esi+APPDATA.wnd_clientbox.top]
752	Lrz	4893	add bx, word[esi+APPDATA.wnd_clientbox.top]
759	Rus	4894	add ebp, ecx
752	Lrz	4895	shl ebx, 16
671	Ghost	4896	xor edi, edi
752	Lrz	4897	add ebx, ebp
		4898	mov ecx, edx
671	Ghost	4899	jmp [draw_line]
1	ha	4900
		4901	align 4
		4902
742	Rus	4903	syscall_getirqowner: ; GetIrqOwner
		4904
		4905	cmp ebx,16
75	diamond	4906	jae .err
742	Rus	4907
774	Rus	4908	cmp [irq_rights + 4 * ebx], dword 2
		4909	je .err
		4910
742	Rus	4911	mov eax,[4 * ebx + irq_owner]
		4912	mov [esp+32],eax
		4913
1	ha	4914	ret
75	diamond	4915	.err:
742	Rus	4916	or dword [esp+32], -1
75	diamond	4917	ret
1	ha	4918
		4919	align 4
		4920
742	Rus	4921	syscall_reserveportarea: ; ReservePortArea and FreePortArea
1	ha	4922
		4923	call r_f_port_area
		4924	mov [esp+36],eax
		4925	ret
		4926
		4927	align 4
		4928
742	Rus	4929	syscall_threads: ; CreateThreads
1	ha	4930
		4931	call sys_threads
		4932	mov [esp+36],eax
		4933	ret
		4934
		4935	align 4
		4936
		4937	stack_driver_stat:
		4938
742	Rus	4939	call app_stack_handler ; Stack status
1	ha	4940
		4941	; mov [check_idle_semaphore],5 ; enable these for zero delay
		4942	; call change_task ; between sent packet
		4943
		4944	mov [esp+36],eax
		4945	ret
		4946
		4947	align 4
		4948
742	Rus	4949	socket: ; Socket interface
1	ha	4950	call app_socket_handler
		4951
		4952	; mov [check_idle_semaphore],5 ; enable these for zero delay
		4953	; call change_task ; between sent packet
		4954
		4955	mov [esp+36],eax
		4956	mov [esp+24],ebx
		4957	ret
		4958
		4959	align 4
		4960
742	Rus	4961	read_from_hd: ; Read from hd - fn not in use
1	ha	4962
379	serge	4963	mov edi,[TASK_BASE]
115	poddubny	4964	add edi,TASKDATA.mem_start
1	ha	4965	add eax,[edi]
		4966	add ecx,[edi]
		4967	add edx,[edi]
		4968	call file_read
		4969
		4970	mov [esp+36],eax
		4971	mov [esp+24],ebx
		4972
		4973	ret
		4974
375	Ghost	4975	paleholder:
742	Rus	4976	ret
378	serge	4977
757	serge	4978	align 4
		4979	set_screen:
759	Rus	4980	cmp eax, [Screen_Max_X]
		4981	jne .set
709	diamond	4982
759	Rus	4983	cmp edx, [Screen_Max_Y]
		4984	jne .set
		4985	ret
757	serge	4986	.set:
759	Rus	4987	pushfd
		4988	cli
757	serge	4989
759	Rus	4990	mov [Screen_Max_X], eax
		4991	mov [Screen_Max_Y], edx
757	serge	4992
759	Rus	4993	mov [screen_workarea.right],eax
		4994	mov [screen_workarea.bottom], edx
		4995	inc eax
		4996	shl eax, 2 ;32 bpp
		4997	mov [BytesPerScanLine], eax
		4998	push ebx
		4999	push esi
		5000	push edi
		5001	call repos_windows
		5002	mov eax, 0
		5003	mov ebx, 0
		5004	mov ecx, [Screen_Max_X]
		5005	mov edx, [Screen_Max_Y]
		5006	call calculatescreen
		5007	pop edi
		5008	pop esi
		5009	pop ebx
757	serge	5010
759	Rus	5011	popfd
		5012	ret
757	serge	5013
76	mario79	5014	; --------------- APM ---------------------
		5015	apm_entry dp 0
742	Rus	5016	apm_vf dd 0
1	ha	5017	align 4
76	mario79	5018	sys_apm:
		5019	cmp word [apm_vf], 0 ; Check APM BIOS enable
		5020	jne @f
742	Rus	5021	or [esp + 56], byte 1 ; error
		5022	mov [esp + 36], dword 8 ; 32-bit protected-mode interface not supported
76	mario79	5023	ret
164	serge	5024
465	serge	5025	@@:
		5026	xchg eax, ecx
76	mario79	5027	xchg ebx, ecx
164	serge	5028
76	mario79	5029	cmp al, 3
742	Rus	5030	ja @f
78	diamond	5031	and [esp + 56], byte 0xfe ; emulate func 0..3 as func 0
76	mario79	5032	mov eax, [apm_vf]
		5033	mov [esp + 36], eax
		5034	shr eax, 16
		5035	mov [esp + 32], eax
		5036	ret
78	diamond	5037
465	serge	5038	@@:
		5039
		5040	mov esi, [master_tab+(OS_BASE shr 20)]
		5041	xchg [master_tab], esi
		5042	push esi
		5043	mov edi, cr3
742	Rus	5044	mov cr3, edi ;flush TLB
465	serge	5045
742	Rus	5046	call pword [apm_entry] ; call APM BIOS
465	serge	5047
		5048	xchg eax, [esp]
		5049	mov [master_tab], eax
		5050	mov eax, cr3
		5051	mov cr3, eax
		5052	pop eax
		5053
76	mario79	5054	mov [esp + 8 ], edi
		5055	mov [esp + 12], esi
		5056	mov [esp + 24], ebx
		5057	mov [esp + 28], edx
		5058	mov [esp + 32], ecx
		5059	mov [esp + 36], eax
		5060	setc al
78	diamond	5061	and [esp + 56], byte 0xfe
742	Rus	5062	or [esp + 56], al
465	serge	5063
		5064
76	mario79	5065	ret
		5066	; -----------------------------------------
1	ha	5067
76	mario79	5068	align 4
		5069
742	Rus	5070	undefined_syscall: ; Undefined system call
671	Ghost	5071	mov [esp + 32], dword -1
1	ha	5072	ret
		5073
465	serge	5074	align 4
742	Rus	5075	system_shutdown: ; shut down the system
1	ha	5076
742	Rus	5077	cmp byte [BOOT_VAR+0x9030], 1
		5078	jne @F
		5079	ret
465	serge	5080	@@:
742	Rus	5081	call stop_all_services
		5082	push 3 ; stop playing cd
		5083	pop eax
		5084	call sys_cd_audio
1	ha	5085
465	serge	5086	yes_shutdown_param:
742	Rus	5087	cli
1	ha	5088
742	Rus	5089	mov eax, kernel_file ; load kernel.mnt to 0x7000:0
		5090	push 12
		5091	pop esi
		5092	xor ebx,ebx
		5093	or ecx,-1
		5094	mov edx, OS_BASE+0x70000
		5095	call fileread
1	ha	5096
742	Rus	5097	mov esi, restart_kernel_4000+OS_BASE+0x10000 ; move kernel re-starter to 0x4000:0
		5098	mov edi,OS_BASE+0x40000
		5099	mov ecx,1000
		5100	rep movsb
1	ha	5101
742	Rus	5102	mov esi,OS_BASE+0x2F0000 ; restore 0x0 - 0xffff
		5103	mov edi, OS_BASE
		5104	mov ecx,0x10000/4
		5105	cld
		5106	rep movsd
1	ha	5107
742	Rus	5108	call restorefatchain
1	ha	5109
742	Rus	5110	mov al, 0xFF
		5111	out 0x21, al
		5112	out 0xA1, al
1	ha	5113
709	diamond	5114	if 1
742	Rus	5115	mov word [OS_BASE+0x467+0],pr_mode_exit
		5116	mov word [OS_BASE+0x467+2],0x1000
1	ha	5117
742	Rus	5118	mov al,0x0F
		5119	out 0x70,al
		5120	mov al,0x05
		5121	out 0x71,al
1	ha	5122
742	Rus	5123	mov al,0xFE
		5124	out 0x64,al
709	diamond	5125
742	Rus	5126	hlt
1	ha	5127
709	diamond	5128	else
742	Rus	5129	cmp byte [OS_BASE + 0x9030], 2
		5130	jnz no_acpi_power_off
1	ha	5131
709	diamond	5132	; scan for RSDP
		5133	; 1) The first 1 Kb of the Extended BIOS Data Area (EBDA).
742	Rus	5134	movzx eax, word [OS_BASE + 0x40E]
		5135	shl eax, 4
		5136	jz @f
		5137	mov ecx, 1024/16
		5138	call scan_rsdp
		5139	jnc .rsdp_found
709	diamond	5140	@@:
		5141	; 2) The BIOS read-only memory space between 0E0000h and 0FFFFFh.
742	Rus	5142	mov eax, 0xE0000
		5143	mov ecx, 0x2000
		5144	call scan_rsdp
		5145	jc no_acpi_power_off
709	diamond	5146	.rsdp_found:
742	Rus	5147	mov esi, [eax+16] ; esi contains physical address of the RSDT
		5148	mov ebp, [ipc_tmp]
		5149	stdcall map_page, ebp, esi, PG_MAP
		5150	lea eax, [esi+1000h]
		5151	lea edx, [ebp+1000h]
		5152	stdcall map_page, edx, eax, PG_MAP
		5153	and esi, 0xFFF
		5154	add esi, ebp
		5155	cmp dword [esi], 'RSDT'
		5156	jnz no_acpi_power_off
		5157	mov ecx, [esi+4]
		5158	sub ecx, 24h
		5159	jbe no_acpi_power_off
		5160	shr ecx, 2
		5161	add esi, 24h
709	diamond	5162	.scan_fadt:
742	Rus	5163	lodsd
		5164	mov ebx, eax
		5165	lea eax, [ebp+2000h]
		5166	stdcall map_page, eax, ebx, PG_MAP
		5167	lea eax, [ebp+3000h]
		5168	add ebx, 0x1000
		5169	stdcall map_page, eax, ebx, PG_MAP
		5170	and ebx, 0xFFF
		5171	lea ebx, [ebx+ebp+2000h]
		5172	cmp dword [ebx], 'FACP'
		5173	jz .fadt_found
		5174	loop .scan_fadt
		5175	jmp no_acpi_power_off
709	diamond	5176	.fadt_found:
		5177	; ebx is linear address of FADT
742	Rus	5178	mov edx, [ebx+48]
		5179	test edx, edx
		5180	jz .nosmi
		5181	mov al, [ebx+52]
		5182	out dx, al
		5183	mov edx, [ebx+64]
709	diamond	5184	@@:
742	Rus	5185	in ax, dx
		5186	test al, 1
		5187	jz @b
709	diamond	5188	.nosmi:
742	Rus	5189	mov edx, [ebx+64]
		5190	in ax, dx
		5191	and ax, 203h
		5192	or ax, 3C00h
		5193	out dx, ax
		5194	mov edx, [ebx+68]
		5195	test edx, edx
		5196	jz @f
		5197	in ax, dx
		5198	and ax, 203h
		5199	or ax, 3C00h
		5200	out dx, ax
709	diamond	5201	@@:
742	Rus	5202	jmp $
709	diamond	5203
		5204
		5205	no_acpi_power_off:
742	Rus	5206	mov word [OS_BASE+0x467+0],pr_mode_exit
		5207	mov word [OS_BASE+0x467+2],0x1000
709	diamond	5208
742	Rus	5209	mov al,0x0F
		5210	out 0x70,al
		5211	mov al,0x05
		5212	out 0x71,al
709	diamond	5213
742	Rus	5214	mov al,0xFE
		5215	out 0x64,al
709	diamond	5216
742	Rus	5217	hlt
709	diamond	5218
		5219	scan_rsdp:
742	Rus	5220	add eax, OS_BASE
709	diamond	5221	.s:
742	Rus	5222	cmp dword [eax], 'RSD '
		5223	jnz .n
		5224	cmp dword [eax+4], 'PTR '
		5225	jnz .n
		5226	xor edx, edx
		5227	xor esi, esi
709	diamond	5228	@@:
742	Rus	5229	add dl, [eax+esi]
		5230	inc esi
		5231	cmp esi, 20
		5232	jnz @b
		5233	test dl, dl
		5234	jz .ok
709	diamond	5235	.n:
742	Rus	5236	add eax, 10h
		5237	loop .s
		5238	stc
709	diamond	5239	.ok:
742	Rus	5240	ret
709	diamond	5241	end if
		5242
465	serge	5243	include "data32.inc"
1	ha	5244
465	serge	5245	__REV__ = __REV
1	ha	5246
		5247	uglobals_size = $ - endofcode
41	mikedld	5248	diff16 "end of kernel code",0,$
426	mikedld	5249

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(root)/kernel/trunk/kernel.asm – Rev 803