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

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;;
2455	mario79	3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved.
2288	clevermous	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
		19	;; SPraid (simba)
		20	;; Hidnplayr
		21	;; Alexey Teplov ()
		22	;; Rus
		23	;; Nable
		24	;; shurf
		25	;; Alver
		26	;; Maxis
		27	;; Galkov
		28	;; CleverMouse
		29	;; tsdima
		30	;; turbanoff
		31	;; Asper
		32	;; art_zh
		33	;;
		34	;; Data in this file was originally part of MenuetOS project which is
		35	;; distributed under the terms of GNU GPL. It is modified and redistributed as
		36	;; part of KolibriOS project under the terms of GNU GPL.
		37	;;
		38	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
		39	;; PROGRAMMING:
		40	;;
		41	;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
		42	;; - main os coding/design
		43	;; Jan-Michael Brummer, BUZZ2@gmx.de
		44	;; Felix Kaiser, info@felix-kaiser.de
		45	;; Paolo Minazzi, paolo.minazzi@inwind.it
		46	;; quickcode@mail.ru
		47	;; Alexey, kgaz@crosswinds.net
		48	;; Juan M. Caravaca, bitrider@wanadoo.es
		49	;; kristol@nic.fi
		50	;; Mike Hibbett, mikeh@oceanfree.net
		51	;; Lasse Kuusijarvi, kuusijar@lut.fi
		52	;; Jarek Pelczar, jarekp3@wp.pl
		53	;;
		54	;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
		55	;; WARRANTY. No author or distributor accepts responsibility to anyone for the
		56	;; consequences of using it or for whether it serves any particular purpose or
		57	;; works at all, unless he says so in writing. Refer to the GNU General Public
		58	;; License (the "GPL") for full details.
		59	;
		60	;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
		61	;; but only under the conditions described in the GPL. A copy of this license
		62	;; is supposed to have been given to you along with KolibriOS so you can know
		63	;; your rights and responsibilities. It should be in a file named COPYING.
		64	;; Among other things, the copyright notice and this notice must be preserved
		65	;; on all copies.
		66	;;
		67	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		68
		69	include 'macros.inc'
2381	hidnplayr	70	include 'struct.inc'
2288	clevermous	71
		72	$Revision: 2489 $
		73
		74
		75	USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices
		76
		77	; Enabling the next line will enable serial output console
		78	;debug_com_base equ 0x3f8 ; 0x3f8 is com1, 0x2f8 is com2, 0x3e8 is com3, 0x2e8 is com4, no irq's are used
		79
		80	include "proc32.inc"
		81	include "kglobals.inc"
		82	include "lang.inc"
		83
		84	include "const.inc"
		85	max_processes equ 255
		86	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
		87
		88
		89	os_stack equ (os_data_l-gdts) ; GDTs
		90	os_code equ (os_code_l-gdts)
		91	graph_data equ (3+graph_data_l-gdts)
		92	tss0 equ (tss0_l-gdts)
		93	app_code equ (3+app_code_l-gdts)
		94	app_data equ (3+app_data_l-gdts)
		95	app_tls equ (3+tls_data_l-gdts)
		96	pci_code_sel equ (pci_code_32-gdts)
		97	pci_data_sel equ (pci_data_32-gdts)
		98
		99
		100	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		101	;;
		102	;; Included files:
		103	;;
		104	;; Kernel16.inc
		105	;; - Booteng.inc English text for bootup
		106	;; - Bootcode.inc Hardware setup
		107	;; - Pci16.inc PCI functions
		108	;;
		109	;; Kernel32.inc
		110	;; - Sys32.inc Process management
		111	;; - Shutdown.inc Shutdown and restart
		112	;; - Fat32.inc Read / write hd
		113	;; - Vesa12.inc Vesa 1.2 driver
		114	;; - Vesa20.inc Vesa 2.0 driver
		115	;; - Vga.inc VGA driver
		116	;; - Stack.inc Network interface
		117	;; - Mouse.inc Mouse pointer
		118	;; - Scincode.inc Window skinning
		119	;; - Pci32.inc PCI functions
		120	;;
		121	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		122
		123
		124	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		125	;; ;;
		126	;; 16 BIT ENTRY FROM BOOTSECTOR ;;
		127	;; ;;
		128	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		129
		130	use16
		131	org 0x0
		132	jmp start_of_code
		133
		134	version db 'Kolibri OS version 0.7.7.0+ ',13,10,13,10,0
		135
		136	include "boot/bootstr.inc" ; language-independent boot messages
		137	include "boot/preboot.inc"
		138
		139	if lang eq en
		140	include "boot/booteng.inc" ; english system boot messages
		141	else if lang eq ru
		142	include "boot/bootru.inc" ; russian system boot messages
		143	include "boot/ru.inc" ; Russian font
		144	else if lang eq et
		145	include "boot/bootet.inc" ; estonian system boot messages
		146	include "boot/et.inc" ; Estonian font
		147	else
		148	include "boot/bootge.inc" ; german system boot messages
		149	end if
		150
		151	include "boot/bootcode.inc" ; 16 bit system boot code
		152	include "bus/pci/pci16.inc"
		153	include "detect/biosdisk.inc"
		154
		155	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		156	;; ;;
		157	;; SWITCH TO 32 BIT PROTECTED MODE ;;
		158	;; ;;
		159	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		160
		161
		162	; CR0 Flags - Protected mode and Paging
		163
		164	mov ecx, CR0_PE
		165
		166	; Enabling 32 bit protected mode
		167
		168	sidt [cs:old_ints_h]
		169
		170	cli ; disable all irqs
		171	cld
		172	mov al, 255 ; mask all irqs
		173	out 0xa1, al
		174	out 0x21, al
		175	l.5:
		176	in al, 0x64 ; Enable A20
		177	test al, 2
		178	jnz l.5
		179	mov al, 0xD1
		180	out 0x64, al
		181	l.6:
		182	in al, 0x64
		183	test al, 2
		184	jnz l.6
		185	mov al, 0xDF
		186	out 0x60, al
		187	l.7:
		188	in al, 0x64
		189	test al, 2
		190	jnz l.7
		191	mov al, 0xFF
		192	out 0x64, al
		193
		194	lgdt [cs:tmp_gdt] ; Load GDT
		195	mov eax, cr0 ; protected mode
		196	or eax, ecx
		197	and eax, 10011111b 65536256 + 0xffffff ; caching enabled
		198	mov cr0, eax
		199	jmp pword os_code:B32 ; jmp to enable 32 bit mode
		200
		201	align 8
		202	tmp_gdt:
		203
		204	dw 23
		205	dd tmp_gdt+0x10000
		206	dw 0
		207
		208	dw 0xffff
		209	dw 0x0000
		210	db 0x00
		211	dw 11011111b *256 +10011010b
		212	db 0x00
		213
		214	dw 0xffff
		215	dw 0x0000
		216	db 0x00
		217	dw 11011111b *256 +10010010b
		218	db 0x00
		219
		220	include "data16.inc"
		221
		222	use32
		223	org $+0x10000
		224
		225	align 4
		226	B32:
		227	mov ax, os_stack ; Selector for os
		228	mov ds, ax
		229	mov es, ax
		230	mov fs, ax
		231	mov gs, ax
		232	mov ss, ax
		233	mov esp, 0x006CC00 ; Set stack
		234
		235	; CLEAR 0x280000 - HEAP_BASE
		236
		237	xor eax, eax
		238	mov edi, CLEAN_ZONE
		239	mov ecx, (HEAP_BASE-OS_BASE-CLEAN_ZONE) / 4
		240	cld
		241	rep stosd
		242
		243	; CLEAR KERNEL UNDEFINED GLOBALS
		244	mov edi, endofcode-OS_BASE
		245	mov ecx, 0x90000
		246	sub ecx, edi
		247	shr ecx, 2
		248	rep stosd
		249
		250	; SAVE & CLEAR 0-0xffff
		251
		252	xor esi, esi
		253	mov edi, (BOOT_VAR-OS_BASE)
		254	mov ecx, 0x10000 / 4
		255	rep movsd
		256	mov edi, 0x1000
		257	mov ecx, 0xf000 / 4
		258	rep stosd
		259
		260	call test_cpu
		261	bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
		262
		263	call check_acpi
		264	call init_BIOS32
		265	; MEMORY MODEL
		266	call mem_test
		267	call init_mem
		268	call init_page_map
		269
		270	; ENABLE PAGING
		271
		272	mov eax, sys_pgdir-OS_BASE
		273	mov cr3, eax
		274
		275	mov eax, cr0
		276	or eax, CR0_PG+CR0_WP
		277	mov cr0, eax
		278
		279	lgdt [gdts]
		280	jmp pword os_code:high_code
		281
		282	align 4
		283	bios32_entry dd ?
		284	tmp_page_tabs dd ?
		285
		286	use16
		287	org $-0x10000
		288	include "boot/shutdown.inc" ; shutdown or restart
		289	org $+0x10000
		290	use32
		291
		292	__DEBUG__ fix 1
		293	__DEBUG_LEVEL__ fix 1
		294	include 'init.inc'
		295
		296	org OS_BASE+$
		297
2443	Serge	298	include 'fdo.inc'
		299
2288	clevermous	300	align 4
		301	high_code:
		302	mov ax, os_stack
		303	mov bx, app_data
		304	mov cx, app_tls
		305	mov ss, ax
		306	add esp, OS_BASE
		307
		308	mov ds, bx
		309	mov es, bx
		310	mov fs, cx
		311	mov gs, bx
		312
		313	bt [cpu_caps], CAPS_PGE
		314	jnc @F
		315
		316	or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL
		317
		318	mov ebx, cr4
		319	or ebx, CR4_PGE
		320	mov cr4, ebx
		321	@@:
		322	xor eax, eax
		323	mov dword [sys_pgdir], eax
		324	mov dword [sys_pgdir+4], eax
		325
		326	mov eax, cr3
		327	mov cr3, eax ; flush TLB
		328
		329	mov ecx, pg_data.mutex
		330	call mutex_init
		331
		332	mov ecx, disk_list_mutex
		333	call mutex_init
		334
2489	mario79	335	mov ecx, unpack_mutex
		336	call mutex_init
		337
2288	clevermous	338	; SAVE REAL MODE VARIABLES
2466	Serge	339	mov ax, [BOOT_VAR + BOOT_IDE_BASE_ADDR]
2288	clevermous	340	mov [IDEContrRegsBaseAddr], ax
		341	; --------------- APM ---------------------
		342
		343	; init selectors
2466	Serge	344	mov ebx, [BOOT_VAR+BOOT_APM_ENTRY] ; offset of APM entry point
		345	movzx eax, word [BOOT_VAR+BOOT_APM_CODE_32] ; real-mode segment base address of
2288	clevermous	346	; protected-mode 32-bit code segment
2466	Serge	347	movzx ecx, word [BOOT_VAR+BOOT_APM_CODE_16]; real-mode segment base address of
2288	clevermous	348	; protected-mode 16-bit code segment
2466	Serge	349	movzx edx, word [BOOT_VAR+BOOT_APM_DATA_16]; real-mode segment base address of
2288	clevermous	350	; protected-mode 16-bit data segment
		351
		352	shl eax, 4
		353	mov [dword apm_code_32 + 2], ax
		354	shr eax, 16
		355	mov [dword apm_code_32 + 4], al
		356
		357	shl ecx, 4
		358	mov [dword apm_code_16 + 2], cx
		359	shr ecx, 16
		360	mov [dword apm_code_16 + 4], cl
		361
		362	shl edx, 4
		363	mov [dword apm_data_16 + 2], dx
		364	shr edx, 16
		365	mov [dword apm_data_16 + 4], dl
		366
		367	mov dword[apm_entry], ebx
		368	mov word [apm_entry + 4], apm_code_32 - gdts
		369
2466	Serge	370	mov eax, [BOOT_VAR + BOOT_APM_VERSION] ; version & flags
2288	clevermous	371	mov [apm_vf], eax
		372	; -----------------------------------------
2466	Serge	373	mov al, [BOOT_VAR+BOOT_DMA] ; DMA access
2288	clevermous	374	mov [allow_dma_access], al
2466	Serge	375	movzx eax, byte [BOOT_VAR+BOOT_BPP] ; bpp
2288	clevermous	376	mov [ScreenBPP], al
		377
		378	mov [_display.bpp], eax
		379	mov [_display.vrefresh], 60
		380
2466	Serge	381	movzx eax, word [BOOT_VAR+BOOT_X_RES]; X max
2288	clevermous	382	mov [_display.width], eax
		383	dec eax
		384	mov [Screen_Max_X], eax
		385	mov [screen_workarea.right], eax
2466	Serge	386	movzx eax, word [BOOT_VAR+BOOT_Y_RES]; Y max
2288	clevermous	387	mov [_display.height], eax
		388	dec eax
		389	mov [Screen_Max_Y], eax
		390	mov [screen_workarea.bottom], eax
2466	Serge	391	movzx eax, word [BOOT_VAR+BOOT_VESA_MODE]; screen mode
2288	clevermous	392	mov [SCR_MODE], eax
2407	mario79	393	; mov eax, [BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add
		394	; mov [BANK_SWITCH], eax
2288	clevermous	395	mov [BytesPerScanLine], word 640*4 ; Bytes PerScanLine
		396	cmp [SCR_MODE], word 0x13 ; 320x200
		397	je @f
		398	cmp [SCR_MODE], word 0x12 ; VGA 640x480
		399	je @f
2466	Serge	400	movzx eax, word[BOOT_VAR+BOOT_PITCH] ; for other modes
2288	clevermous	401	mov [BytesPerScanLine], ax
		402	mov [_display.pitch], eax
		403	@@:
		404	mov eax, [_display.width]
		405	mul [_display.height]
		406	mov [_WinMapSize], eax
		407
2438	mario79	408	call calculate_fast_getting_offset_for_WinMapAddress
2480	mario79	409	; for Qemu or non standart video cards
		410	; Unfortunately [BytesPerScanLine] does not always
		411	; equal to [_display.width] * [ScreenBPP] / 8
		412	call calculate_fast_getting_offset_for_LFB
2438	mario79	413
2288	clevermous	414	mov esi, BOOT_VAR+0x9080
		415	movzx ecx, byte [esi-1]
		416	mov [NumBiosDisks], ecx
		417	mov edi, BiosDisksData
		418	rep movsd
		419
		420	; GRAPHICS ADDRESSES
		421
2466	Serge	422	mov eax, [BOOT_VAR+BOOT_LFB]
2288	clevermous	423	mov [LFBAddress], eax
		424
		425	cmp [SCR_MODE], word 0100000000000000b
		426	jge setvesa20
2407	mario79	427	cmp [SCR_MODE], word 0x13 ; EGA 320*200 256 colors
2288	clevermous	428	je v20ga32
		429	jmp v20ga24
2436	mario79	430
2407	mario79	431	setvesa20:
2288	clevermous	432	mov [PUTPIXEL], dword Vesa20_putpixel24 ; Vesa 2.0
		433	mov [GETPIXEL], dword Vesa20_getpixel24
		434	cmp [ScreenBPP], byte 24
		435	jz v20ga24
2407	mario79	436	v20ga32:
2288	clevermous	437	mov [PUTPIXEL], dword Vesa20_putpixel32
		438	mov [GETPIXEL], dword Vesa20_getpixel32
2407	mario79	439	jmp no_mode_0x12
		440	v20ga24:
2288	clevermous	441	cmp [SCR_MODE], word 0x12 ; 16 C VGA 640x480
		442	jne no_mode_0x12
		443	mov [PUTPIXEL], dword VGA_putpixel
		444	mov [GETPIXEL], dword Vesa20_getpixel32
2407	mario79	445	no_mode_0x12:
2288	clevermous	446
		447	; -------- Fast System Call init ----------
		448	; Intel SYSENTER/SYSEXIT (AMD CPU support it too)
		449	bt [cpu_caps], CAPS_SEP
		450	jnc .SEnP ; SysEnter not Present
		451	xor edx, edx
		452	mov ecx, MSR_SYSENTER_CS
		453	mov eax, os_code
		454	wrmsr
		455	mov ecx, MSR_SYSENTER_ESP
		456	; mov eax, sysenter_stack ; Check it
		457	xor eax, eax
		458	wrmsr
		459	mov ecx, MSR_SYSENTER_EIP
		460	mov eax, sysenter_entry
		461	wrmsr
		462	.SEnP:
		463	; AMD SYSCALL/SYSRET
		464	cmp byte[cpu_vendor], 'A'
		465	jne .noSYSCALL
		466	mov eax, 0x80000001
		467	cpuid
		468	test edx, 0x800 ; bit_11 - SYSCALL/SYSRET support
		469	jz .noSYSCALL
		470	mov ecx, MSR_AMD_EFER
		471	rdmsr
		472	or eax, 1 ; bit_0 - System Call Extension (SCE)
		473	wrmsr
		474
		475	; !!!! It`s dirty hack, fix it !!!
		476	; Bits of EDX :
		477	; Bit 31�16 During the SYSRET instruction, this field is copied into the CS register
		478	; and the contents of this field, plus 8, are copied into the SS register.
		479	; Bit 15�0 During the SYSCALL instruction, this field is copied into the CS register
		480	; and the contents of this field, plus 8, are copied into the SS register.
		481
		482	; mov edx, (os_code + 16) * 65536 + os_code
		483	mov edx, 0x1B0008
		484
		485	mov eax, syscall_entry
		486	mov ecx, MSR_AMD_STAR
		487	wrmsr
		488	.noSYSCALL:
		489	; -----------------------------------------
		490	stdcall alloc_page
		491	stdcall map_page, tss-0xF80, eax, PG_SW
		492	stdcall alloc_page
		493	inc eax
		494	mov [SLOT_BASE+256+APPDATA.io_map], eax
		495	stdcall map_page, tss+0x80, eax, PG_SW
		496	stdcall alloc_page
		497	inc eax
		498	mov dword [SLOT_BASE+256+APPDATA.io_map+4], eax
		499	stdcall map_page, tss+0x1080, eax, PG_SW
		500
		501	; LOAD IDT
		502
		503	call build_interrupt_table ;lidt is executed
		504	;lidt [idtreg]
		505
		506	call init_kernel_heap
		507	stdcall kernel_alloc, RING0_STACK_SIZE+512
		508	mov [os_stack_seg], eax
		509
		510	lea esp, [eax+RING0_STACK_SIZE]
		511
		512	mov [tss._ss0], os_stack
		513	mov [tss._esp0], esp
		514	mov [tss._esp], esp
		515	mov [tss._cs], os_code
		516	mov [tss._ss], os_stack
		517	mov [tss._ds], app_data
		518	mov [tss._es], app_data
		519	mov [tss._fs], app_data
		520	mov [tss._gs], app_data
		521	mov [tss._io], 128
		522	;Add IO access table - bit array of permitted ports
		523	mov edi, tss._io_map_0
		524	xor eax, eax
		525	not eax
		526	mov ecx, 8192/4
		527	rep stosd ; access to 4096*8=65536 ports
		528
		529	mov ax, tss0
		530	ltr ax
		531
		532	mov [LFBSize], 0x800000
		533	call init_LFB
		534	call init_fpu
		535	call init_malloc
		536
		537	stdcall alloc_kernel_space, 0x51000
		538	mov [default_io_map], eax
		539
		540	add eax, 0x2000
		541	mov [ipc_tmp], eax
		542	mov ebx, 0x1000
		543
		544	add eax, 0x40000
		545	mov [proc_mem_map], eax
		546
		547	add eax, 0x8000
		548	mov [proc_mem_pdir], eax
		549
		550	add eax, ebx
		551	mov [proc_mem_tab], eax
		552
		553	add eax, ebx
		554	mov [tmp_task_pdir], eax
		555
		556	add eax, ebx
		557	mov [tmp_task_ptab], eax
		558
		559	add eax, ebx
		560	mov [ipc_pdir], eax
		561
		562	add eax, ebx
		563	mov [ipc_ptab], eax
		564
		565	stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
		566	(unpack.lc+unpack.lp)))*4
		567
		568	mov [unpack.p], eax
		569
		570	call init_events
2384	hidnplayr	571	mov eax, srv.fd-SRV.fd
2288	clevermous	572	mov [srv.fd], eax
		573	mov [srv.bk], eax
		574
		575	;Set base of graphic segment to linear address of LFB
		576	mov eax, [LFBAddress] ; set for gs
		577	mov [graph_data_l+2], ax
		578	shr eax, 16
		579	mov [graph_data_l+4], al
		580	mov [graph_data_l+7], ah
		581
		582	stdcall kernel_alloc, [_WinMapSize]
		583	mov [_WinMapAddress], eax
		584
		585	xor eax, eax
		586	inc eax
		587	mov [CURRENT_TASK], eax ;dword 1
		588	mov [TASK_COUNT], eax ;dword 1
		589	mov [TASK_BASE], dword TASK_DATA
		590	mov [current_slot], SLOT_BASE+256
		591
		592	; set background
		593
		594	mov [BgrDrawMode], eax
		595	mov [BgrDataWidth], eax
		596	mov [BgrDataHeight], eax
		597	mov [mem_BACKGROUND], 4
		598	mov [img_background], static_background_data
		599
		600	mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE
		601
		602	stdcall kernel_alloc, 0x10000/8
		603	mov edi, eax
		604	mov [network_free_ports], eax
		605	or eax, -1
		606	mov ecx, 0x10000/32
		607	rep stosd
		608
		609	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
		610
		611	call init_irqs
		612	call PIC_init
		613
		614	; Initialize system V86 machine
		615	call init_sys_v86
		616
		617	; Initialize system timer (IRQ0)
		618	call PIT_init
		619
		620	; Try to Initialize APIC
		621	call APIC_init
		622
		623	; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15)
		624	; they are used: when partitions are scanned, hd_read relies on timer
		625	call unmask_timer
		626	stdcall enable_irq, 2 ; @#$%! PIC
		627	stdcall enable_irq, 6 ; FDD
		628	stdcall enable_irq, 13 ; co-processor
		629	stdcall enable_irq, 14
		630	stdcall enable_irq, 15
		631
		632	; Enable interrupts in IDE controller
		633	mov al, 0
		634	mov dx, 0x3F6
		635	out dx, al
		636	mov dl, 0x76
		637	out dx, al
		638
		639	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		640	include 'detect/disks.inc'
		641	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		642
		643	call Parser_params
		644
		645	if ~ defined extended_primary_loader
		646	; ramdisk image should be loaded by extended primary loader if it exists
		647	; READ RAMDISK IMAGE FROM HD
		648
		649	;!!!!!!!!!!!!!!!!!!!!!!!
		650	include 'boot/rdload.inc'
		651	;!!!!!!!!!!!!!!!!!!!!!!!
		652	end if
		653	; mov [dma_hdd],1
		654	; CALCULATE FAT CHAIN FOR RAMDISK
		655
		656	call calculatefatchain
		657
		658	if 0
		659	mov ax, [OS_BASE+0x10000+bx_from_load]
		660	cmp ax, 'r1'; if using not ram disk, then load librares and parameters {SPraid.simba}
		661	je no_lib_load
		662	; LOADING LIBRARES
		663	stdcall dll.Load, @IMPORT ; loading librares for kernel (.obj files)
		664	call load_file_parse_table ; prepare file parse table
		665	call set_kernel_conf ; configure devices and gui
		666	no_lib_load:
		667	end if
		668
		669	; LOAD FONTS I and II
		670
		671	stdcall read_file, char, FONT_I, 0, 2304
		672	stdcall read_file, char2, FONT_II, 0, 2560
		673
2430	mario79	674	mov [MOUSE_PICTURE], dword mousepointer
		675	mov [_display.check_mouse], check_mouse_area_for_putpixel
		676	mov [_display.check_m_pixel], check_mouse_area_for_getpixel
		677
2288	clevermous	678	mov esi, boot_fonts
		679	call boot_log
		680
		681	; Display APIC status
		682	mov esi, boot_APIC_found
		683	cmp [irq_mode], IRQ_APIC
		684	je @f
		685	mov esi, boot_APIC_nfound
		686	@@:
		687
		688	; PRINT AMOUNT OF MEMORY
		689	mov esi, boot_memdetect
		690	call boot_log
		691
		692	movzx ecx, word [boot_y]
		693	if lang eq ru
		694	or ecx, (10+30*6) shl 16
		695	else
		696	or ecx, (10+29*6) shl 16
		697	end if
		698	sub ecx, 10
		699	mov edx, 0xFFFFFF
		700	mov ebx, [MEM_AMOUNT]
		701	shr ebx, 20
		702	xor edi, edi
		703	mov eax, 0x00040000
		704	inc edi
		705	call display_number_force
		706
		707	; BUILD SCHEDULER
		708
		709	call build_scheduler; sys32.inc
		710
		711	mov esi, boot_devices
		712	call boot_log
		713
		714	mov [pci_access_enabled], 1
		715
		716
		717	; SET PRELIMINARY WINDOW STACK AND POSITIONS
		718
		719	mov esi, boot_windefs
		720	call boot_log
		721	call set_window_defaults
		722
		723	; SET BACKGROUND DEFAULTS
		724
		725	mov esi, boot_bgr
		726	call boot_log
		727	call init_background
		728	call calculatebackground
		729
		730	; RESERVE SYSTEM IRQ'S JA PORT'S
		731
		732	mov esi, boot_resirqports
		733	call boot_log
		734	call reserve_irqs_ports
		735
		736	; SET UP OS TASK
		737
		738	mov esi, boot_setostask
		739	call boot_log
		740
		741	xor eax, eax
		742	mov dword [SLOT_BASE+APPDATA.fpu_state], fpu_data
		743	mov dword [SLOT_BASE+APPDATA.exc_handler], eax
		744	mov dword [SLOT_BASE+APPDATA.except_mask], eax
		745
		746	; name for OS/IDLE process
		747
		748	mov dword [SLOT_BASE+256+APPDATA.app_name], dword 'OS/I'
		749	mov dword [SLOT_BASE+256+APPDATA.app_name+4], dword 'DLE '
		750	mov edi, [os_stack_seg]
		751	mov dword [SLOT_BASE+256+APPDATA.pl0_stack], edi
		752	add edi, 0x2000-512
		753	mov dword [SLOT_BASE+256+APPDATA.fpu_state], edi
		754	mov dword [SLOT_BASE+256+APPDATA.saved_esp0], edi; just for case
		755	; [SLOT_BASE+256+APPDATA.io_map] was set earlier
		756
		757	mov esi, fpu_data
		758	mov ecx, 512/4
		759	cld
		760	rep movsd
		761
		762	mov dword [SLOT_BASE+256+APPDATA.exc_handler], eax
		763	mov dword [SLOT_BASE+256+APPDATA.except_mask], eax
		764
		765	mov ebx, SLOT_BASE+256+APP_OBJ_OFFSET
		766	mov dword [SLOT_BASE+256+APPDATA.fd_obj], ebx
		767	mov dword [SLOT_BASE+256+APPDATA.bk_obj], ebx
		768
		769	mov dword [SLOT_BASE+256+APPDATA.cur_dir], sysdir_path
		770	mov dword [SLOT_BASE+256+APPDATA.tls_base], eax
		771
		772	; task list
		773	mov dword [TASK_DATA+TASKDATA.mem_start], eax; process base address
		774	inc eax
		775	mov dword [CURRENT_TASK], eax
		776	mov dword [TASK_COUNT], eax
		777	mov [current_slot], SLOT_BASE+256
		778	mov [TASK_BASE], dword TASK_DATA
		779	mov byte[TASK_DATA+TASKDATA.wnd_number], al ; on screen number
		780	mov dword [TASK_DATA+TASKDATA.pid], eax ; process id number
		781
		782	call init_display
		783	mov eax, [def_cursor]
		784	mov [SLOT_BASE+APPDATA.cursor], eax
		785	mov [SLOT_BASE+APPDATA.cursor+256], eax
		786
		787	; READ TSC / SECOND
		788
		789	mov esi, boot_tsc
		790	call boot_log
		791	cli
		792	rdtsc ;call _rdtsc
		793	mov ecx, eax
		794	mov esi, 250 ; wait 1/4 a second
		795	call delay_ms
		796	rdtsc ;call _rdtsc
		797	sti
		798	sub eax, ecx
		799	shl eax, 2
		800	mov [CPU_FREQ], eax ; save tsc / sec
		801	; mov ebx, 1000000
		802	; div ebx
		803	; ��-� �ந��⥫쭮�� ⭮� ��
		804	; ᮢ��襭�� 筠, �� ⮡� ��⪭�� ⥫��
		805	; ��⨬�� ஢ ��...
		806	mov edx, 2251799814
		807	mul edx
		808	shr edx, 19
		809	mov [stall_mcs], edx
		810	; PRINT CPU FREQUENCY
		811	mov esi, boot_cpufreq
		812	call boot_log
		813
		814	mov ebx, edx
		815	movzx ecx, word [boot_y]
		816	if lang eq ru
		817	add ecx, (10+19*6) shl 16 - 10 ; 'Determining amount of memory'
		818	else
		819	add ecx, (10+17*6) shl 16 - 10 ; 'Determining amount of memory'
		820	end if
		821	mov edx, 0xFFFFFF
		822	xor edi, edi
		823	mov eax, 0x00040000
		824	inc edi
		825	call display_number_force
		826
		827	; SET VARIABLES
		828
		829	call set_variables
		830
		831	; STACK AND FDC
		832
		833	call stack_init
		834	call fdc_init
		835
		836	; PALETTE FOR 320x200 and 640x480 16 col
		837
		838	cmp [SCR_MODE], word 0x12
		839	jne no_pal_vga
		840	mov esi, boot_pal_vga
		841	call boot_log
		842	call paletteVGA
		843	no_pal_vga:
		844
		845	cmp [SCR_MODE], word 0x13
		846	jne no_pal_ega
		847	mov esi, boot_pal_ega
		848	call boot_log
		849	call palette320x200
		850	no_pal_ega:
		851
		852	; LOAD DEFAULT SKIN
		853
		854	call load_default_skin
		855
		856	;protect io permission map
		857
		858	mov esi, [default_io_map]
		859	stdcall map_page, esi, [SLOT_BASE+256+APPDATA.io_map], PG_MAP
		860	add esi, 0x1000
		861	stdcall map_page, esi, [SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
		862
		863	stdcall map_page, tss._io_map_0, \
		864	[SLOT_BASE+256+APPDATA.io_map], PG_MAP
		865	stdcall map_page, tss._io_map_1, \
		866	[SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
		867
		868	mov ax, [OS_BASE+0x10000+bx_from_load]
		869	cmp ax, 'r1'; if not rused ram disk - load network configuration from files {SPraid.simba}
		870	je no_st_network
		871	call set_network_conf
		872	no_st_network:
		873
		874	; LOAD FIRST APPLICATION
		875	cli
		876
		877	; cmp byte [BOOT_VAR+0x9030],1
		878	; jne no_load_vrr_m
		879
		880	; mov ebp, vrr_m
		881	; call fs_execute_from_sysdir
		882	;
		883	;; cmp eax,2 ; if vrr_m app found (PID=2)
		884	; sub eax,2
		885	; jz first_app_found
		886	;
		887	;no_load_vrr_m:
		888
		889	mov ebp, firstapp
		890	call fs_execute_from_sysdir
		891
		892	; cmp eax,2 ; continue if a process has been loaded
		893	sub eax, 2
		894	jz first_app_found
		895
		896	mov esi, boot_failed
		897	call boot_log
		898
		899	mov eax, 0xDEADBEEF ; otherwise halt
		900	hlt
		901
		902	first_app_found:
		903
		904	cli
		905
		906	;mov [TASK_COUNT],dword 2
		907	push 1
		908	pop dword [CURRENT_TASK] ; set OS task fisrt
		909
		910	; SET KEYBOARD PARAMETERS
		911	mov al, 0xf6 ; reset keyboard, scan enabled
		912	call kb_write
		913
		914	; wait until 8042 is ready
		915	xor ecx, ecx
		916	@@:
		917	in al, 64h
		918	and al, 00000010b
		919	loopnz @b
		920
		921	; mov al, 0xED ; Keyboard LEDs - only for testing!
		922	; call kb_write
		923	; call kb_read
		924	; mov al, 111b
		925	; call kb_write
		926	; call kb_read
		927
		928	mov al, 0xF3 ; set repeat rate & delay
		929	call kb_write
		930	; call kb_read
		931	mov al, 0; 30 250 ;00100010b ; 24 500 ;00100100b ; 20 500
		932	call kb_write
		933	; call kb_read
		934	;// mike.dld [
		935	call set_lights
		936	;// mike.dld ]
		937	stdcall attach_int_handler, 1, irq1, 0
		938
		939	; SET MOUSE
		940
		941	stdcall load_driver, szPS2MDriver
		942	; stdcall load_driver, szCOM_MDriver
		943
		944	mov esi, boot_setmouse
		945	call boot_log
		946	call setmouse
		947
		948	; Setup serial output console (if enabled)
		949
		950	if defined debug_com_base
		951
		952	; enable Divisor latch
		953
		954	mov dx, debug_com_base+3
		955	mov al, 1 shl 7
		956	out dx, al
		957
		958	; Set speed to 115200 baud (max speed)
		959
		960	mov dx, debug_com_base
		961	mov al, 0x01
		962	out dx, al
		963
		964	mov dx, debug_com_base+1
		965	mov al, 0x00
		966	out dx, al
		967
		968	; No parity, 8bits words, one stop bit, dlab bit back to 0
		969
		970	mov dx, debug_com_base+3
		971	mov al, 3
		972	out dx, al
		973
		974	; disable interrupts
		975
		976	mov dx, debug_com_base+1
		977	mov al, 0
		978	out dx, al
		979
		980	; clear + enable fifo (64 bits)
		981
		982	mov dx, debug_com_base+2
		983	mov al, 0x7 + 1 shl 5
		984	out dx, al
		985
		986
		987	end if
		988
2443	Serge	989	mov eax, [cpu_count]
		990	test eax, eax
		991	jnz @F
		992	mov al, 1 ; at least one CPU
		993	@@:
		994	DEBUGF 1, "K : %d CPU detected\n", eax
		995
2288	clevermous	996	; START MULTITASKING
		997
		998	; A 'All set - press ESC to start' messages if need
		999	if preboot_blogesc
		1000	mov esi, boot_tasking
		1001	call boot_log
		1002	.bll1:
		1003	in al, 0x60 ; wait for ESC key press
		1004	cmp al, 129
		1005	jne .bll1
		1006	end if
		1007
		1008	cmp [IDEContrRegsBaseAddr], 0
		1009	setnz [dma_hdd]
		1010	mov [timer_ticks_enable], 1 ; for cd driver
		1011
		1012	sti
		1013	call change_task
		1014
		1015	jmp osloop
		1016
		1017
		1018	; Fly :)
		1019
		1020	include 'unpacker.inc'
		1021
		1022	align 4
		1023	boot_log:
		1024	pushad
		1025
		1026	mov ebx, 10*65536
		1027	mov bx, word [boot_y]
		1028	add [boot_y], dword 10
		1029	mov ecx, 0x80ffffff; ASCIIZ string with white color
		1030	xor edi, edi
		1031	mov edx, esi
		1032	inc edi
		1033	call dtext
		1034
		1035	mov [novesachecksum], 1000
		1036	call checkVga_N13
		1037
		1038	popad
		1039
		1040	ret
		1041
		1042	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1043	; ;
		1044	; MAIN OS LOOP START ;
		1045	; ;
		1046	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1047	align 32
		1048	osloop:
2453	mario79	1049	; call [draw_pointer]
		1050	call __sys_draw_pointer
2288	clevermous	1051	call window_check_events
		1052	call mouse_check_events
		1053	call checkmisc
		1054	call checkVga_N13
		1055	call stack_handler
		1056	call checkidle
		1057	call check_fdd_motor_status
		1058	call check_ATAPI_device_event
		1059	call check_timers
		1060	jmp osloop
		1061	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1062	; ;
		1063	; MAIN OS LOOP END ;
		1064	; ;
		1065	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1066	align 4
		1067	checkidle:
		1068	pushad
		1069	call change_task
		1070	jmp idle_loop_entry
		1071	idle_loop:
		1072	cmp eax, [idlemem] ; eax == [timer_ticks]
		1073	jne idle_exit
		1074	rdtsc ;call _rdtsc
		1075	mov ecx, eax
		1076	hlt
		1077	rdtsc ;call _rdtsc
		1078	sub eax, ecx
		1079	add [idleuse], eax
		1080	idle_loop_entry:
		1081	mov eax, [timer_ticks]; eax = [timer_ticks]
		1082	cmp [check_idle_semaphore], 0
		1083	je idle_loop
		1084	dec [check_idle_semaphore]
		1085	idle_exit:
		1086	mov [idlemem], eax ; eax == [timer_ticks]
		1087	popad
		1088	ret
		1089
		1090	uglobal
		1091	idlemem dd 0x0
		1092	idleuse dd 0x0
		1093	idleusesec dd 0x0
		1094	check_idle_semaphore dd 0x0
		1095	endg
		1096
		1097
		1098
		1099	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1100	; ;
		1101	; INCLUDED SYSTEM FILES ;
		1102	; ;
		1103	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1104
		1105
		1106	include "kernel32.inc"
		1107
		1108
		1109	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1110	; ;
		1111	; KERNEL FUNCTIONS ;
		1112	; ;
		1113	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		1114
		1115	reserve_irqs_ports:
		1116
		1117
		1118	; RESERVE PORTS
		1119	mov eax, RESERVED_PORTS
		1120	mov ecx, 1
		1121
		1122	mov [eax], dword 4
		1123
		1124	mov [eax+16], ecx
		1125	mov [eax+16+4], dword 0
		1126	mov [eax+16+4], dword 0x2D
		1127
		1128	mov [eax+32], ecx
		1129	mov [eax+32+4], dword 0x30
		1130	mov [eax+32+8], dword 0x4D
		1131
		1132	mov [eax+48], ecx
		1133	mov [eax+48+4], dword 0x50
		1134	mov [eax+28+8], dword 0xDF
		1135
		1136	mov [eax+64], ecx
		1137	mov [eax+64+4], dword 0xE5
		1138	mov [eax+64+8], dword 0xFF
		1139
		1140	ret
		1141
		1142
		1143	iglobal
		1144	process_number dd 0x1
		1145	endg
		1146
		1147	set_variables:
		1148
		1149	mov ecx, 0x16 ; flush port 0x60
		1150	.fl60:
		1151	in al, 0x60
		1152	loop .fl60
		1153	push eax
		1154
2466	Serge	1155	mov ax, [BOOT_VAR+BOOT_Y_RES]
2288	clevermous	1156	shr ax, 1
		1157	shl eax, 16
2466	Serge	1158	mov ax, [BOOT_VAR+BOOT_X_RES]
2288	clevermous	1159	shr ax, 1
		1160	mov [MOUSE_X], eax
		1161
		1162	xor eax, eax
		1163	mov [BTN_ADDR], dword BUTTON_INFO ; address of button list
		1164
		1165	mov byte [MOUSE_BUFF_COUNT], al ; mouse buffer
		1166	mov byte [KEY_COUNT], al ; keyboard buffer
		1167	mov byte [BTN_COUNT], al ; button buffer
		1168	; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y
		1169
		1170	;!! IP 04.02.2005:
		1171	mov byte [DONT_SWITCH], al; change task if possible
		1172	pop eax
		1173	ret
		1174
		1175	align 4
		1176	;input eax=43,bl-byte of output, ecx - number of port
		1177	sys_outport:
		1178
		1179	mov edi, ecx ; separate flag for read / write
		1180	and ecx, 65535
		1181
		1182	mov eax, [RESERVED_PORTS]
		1183	test eax, eax
		1184	jnz .sopl8
		1185	inc eax
		1186	mov [esp+32], eax
		1187	ret
		1188
		1189	.sopl8:
		1190	mov edx, [TASK_BASE]
		1191	mov edx, [edx+0x4]
		1192	;and ecx,65535
		1193	;cld - set on interrupt 0x40
		1194	.sopl1:
		1195
		1196	mov esi, eax
		1197	shl esi, 4
		1198	add esi, RESERVED_PORTS
		1199	cmp edx, [esi+0]
		1200	jne .sopl2
		1201	cmp ecx, [esi+4]
		1202	jb .sopl2
		1203	cmp ecx, [esi+8]
		1204	jg .sopl2
		1205	.sopl3:
		1206
		1207	test edi, 0x80000000; read ?
		1208	jnz .sopl4
		1209
		1210	mov eax, ebx
		1211	mov dx, cx ; write
		1212	out dx, al
		1213	and [esp+32], dword 0
		1214	ret
		1215
		1216	.sopl2:
		1217
		1218	dec eax
		1219	jnz .sopl1
		1220	inc eax
		1221	mov [esp+32], eax
		1222	ret
		1223
		1224
		1225	.sopl4:
		1226
		1227	mov dx, cx ; read
		1228	in al, dx
		1229	and eax, 0xff
		1230	and [esp+32], dword 0
		1231	mov [esp+20], eax
		1232	ret
		1233
		1234	display_number:
		1235	;It is not optimization
		1236	mov eax, ebx
		1237	mov ebx, ecx
		1238	mov ecx, edx
		1239	mov edx, esi
		1240	mov esi, edi
		1241	; eax = print type, al=0 -> ebx is number
		1242	; al=1 -> ebx is pointer
		1243	; ah=0 -> display decimal
		1244	; ah=1 -> display hexadecimal
		1245	; ah=2 -> display binary
		1246	; eax bits 16-21 = number of digits to display (0-32)
		1247	; eax bits 22-31 = reserved
		1248	;
		1249	; ebx = number or pointer
		1250	; ecx = x shl 16 + y
		1251	; edx = color
		1252	xor edi, edi
		1253	display_number_force:
		1254	push eax
		1255	and eax, 0x3fffffff
		1256	cmp eax, 0xffff ; length > 0 ?
		1257	pop eax
		1258	jge cont_displ
		1259	ret
		1260	cont_displ:
		1261	push eax
		1262	and eax, 0x3fffffff
		1263	cmp eax, 61*0x10000 ; length <= 60 ?
		1264	pop eax
		1265	jb cont_displ2
		1266	ret
		1267	cont_displ2:
		1268
		1269	pushad
		1270
		1271	cmp al, 1 ; ecx is a pointer ?
		1272	jne displnl1
		1273	mov ebp, ebx
		1274	add ebp, 4
		1275	mov ebp, [ebp+std_application_base_address]
		1276	mov ebx, [ebx+std_application_base_address]
		1277	displnl1:
		1278	sub esp, 64
		1279
		1280	test ah, ah ; DECIMAL
		1281	jnz no_display_desnum
		1282	shr eax, 16
		1283	and eax, 0xC03f
		1284	; and eax,0x3f
		1285	push eax
		1286	and eax, 0x3f
		1287	mov edi, esp
		1288	add edi, 4+64-1
		1289	mov ecx, eax
		1290	mov eax, ebx
		1291	mov ebx, 10
		1292	d_desnum:
		1293	xor edx, edx
		1294	call division_64_bits
		1295	div ebx
		1296	add dl, 48
		1297	mov [edi], dl
		1298	dec edi
		1299	loop d_desnum
		1300	pop eax
		1301	call normalize_number
		1302	call draw_num_text
		1303	add esp, 64
		1304	popad
		1305	ret
		1306	no_display_desnum:
		1307
		1308	cmp ah, 0x01 ; HEXADECIMAL
		1309	jne no_display_hexnum
		1310	shr eax, 16
		1311	and eax, 0xC03f
		1312	; and eax,0x3f
		1313	push eax
		1314	and eax, 0x3f
		1315	mov edi, esp
		1316	add edi, 4+64-1
		1317	mov ecx, eax
		1318	mov eax, ebx
		1319	mov ebx, 16
		1320	d_hexnum:
		1321	xor edx, edx
		1322	call division_64_bits
		1323	div ebx
		1324	hexletters = __fdo_hexdigits
		1325	add edx, hexletters
		1326	mov dl, [edx]
		1327	mov [edi], dl
		1328	dec edi
		1329	loop d_hexnum
		1330	pop eax
		1331	call normalize_number
		1332	call draw_num_text
		1333	add esp, 64
		1334	popad
		1335	ret
		1336	no_display_hexnum:
		1337
		1338	cmp ah, 0x02 ; BINARY
		1339	jne no_display_binnum
		1340	shr eax, 16
		1341	and eax, 0xC03f
		1342	; and eax,0x3f
		1343	push eax
		1344	and eax, 0x3f
		1345	mov edi, esp
		1346	add edi, 4+64-1
		1347	mov ecx, eax
		1348	mov eax, ebx
		1349	mov ebx, 2
		1350	d_binnum:
		1351	xor edx, edx
		1352	call division_64_bits
		1353	div ebx
		1354	add dl, 48
		1355	mov [edi], dl
		1356	dec edi
		1357	loop d_binnum
		1358	pop eax
		1359	call normalize_number
		1360	call draw_num_text
		1361	add esp, 64
		1362	popad
		1363	ret
		1364	no_display_binnum:
		1365
		1366	add esp, 64
		1367	popad
		1368	ret
		1369
		1370	normalize_number:
		1371	test ah, 0x80
		1372	jz .continue
		1373	mov ecx, 48
		1374	and eax, 0x3f
		1375	@@:
		1376	inc edi
		1377	cmp [edi], cl
		1378	jne .continue
		1379	dec eax
		1380	cmp eax, 1
		1381	ja @r
		1382	mov al, 1
		1383	.continue:
		1384	and eax, 0x3f
		1385	ret
		1386
		1387	division_64_bits:
		1388	test [esp+1+4], byte 0x40
		1389	jz .continue
		1390	push eax
		1391	mov eax, ebp
		1392	div ebx
		1393	mov ebp, eax
		1394	pop eax
		1395	.continue:
		1396	ret
		1397
		1398	draw_num_text:
		1399	mov esi, eax
		1400	mov edx, 64+4
		1401	sub edx, eax
		1402	add edx, esp
		1403	mov ebx, [esp+64+32-8+4]
		1404	; add window start x & y
		1405	mov ecx, [TASK_BASE]
		1406
		1407	mov edi, [CURRENT_TASK]
		1408	shl edi, 8
		1409
		1410	mov eax, [ecx-twdw+WDATA.box.left]
		1411	add eax, [edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
		1412	shl eax, 16
		1413	add eax, [ecx-twdw+WDATA.box.top]
		1414	add eax, [edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
		1415	add ebx, eax
		1416	mov ecx, [esp+64+32-12+4]
		1417	and ecx, not 0x80000000 ; force counted string
		1418	mov eax, [esp+64+8] ; background color (if given)
		1419	mov edi, [esp+64+4]
		1420	jmp dtext
		1421
		1422	align 4
		1423
		1424	sys_setup:
		1425
		1426	; 1=roland mpu midi base , base io address
		1427	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1428	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1429	; 5=system language, 1eng 2fi 3ger 4rus
		1430	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1431	; 8=fat32 partition in hd
		1432	; 9
		1433	; 10 = sound dma channel
		1434	; 11 = enable lba read
		1435	; 12 = enable pci access
		1436
		1437
		1438	and [esp+32], dword 0
		1439	dec ebx ; MIDI
		1440	jnz nsyse1
		1441	cmp ecx, 0x100
		1442
		1443	jb nsyse1
		1444	mov esi, 65535
		1445	cmp esi, ecx
		1446
		1447	jb nsyse1
		1448	mov [midi_base], cx ;bx
		1449	mov word [mididp], cx;bx
		1450	inc cx ;bx
		1451	mov word [midisp], cx;bx
		1452	ret
		1453
		1454	iglobal
		1455	midi_base dw 0
		1456	endg
		1457
		1458	nsyse1:
		1459	dec ebx ; KEYBOARD
		1460	jnz nsyse2
		1461	mov edi, [TASK_BASE]
		1462	mov eax, [edi+TASKDATA.mem_start]
		1463	add eax, edx
		1464
		1465	dec ecx
		1466	jnz kbnobase
		1467	mov ebx, keymap
		1468	mov ecx, 128
		1469	call memmove
		1470	ret
		1471	kbnobase:
		1472	dec ecx
		1473	jnz kbnoshift
		1474
		1475	mov ebx, keymap_shift
		1476	mov ecx, 128
		1477	call memmove
		1478	ret
		1479	kbnoshift:
		1480	dec ecx
		1481	jnz kbnoalt
		1482	mov ebx, keymap_alt
		1483	mov ecx, 128
		1484	call memmove
		1485	ret
		1486	kbnoalt:
		1487	sub ecx, 6
		1488	jnz kbnocountry
		1489	mov word [keyboard], dx
		1490	ret
		1491	kbnocountry:
		1492	mov [esp+32], dword 1
		1493	ret
		1494	nsyse2:
		1495	dec ebx ; CD
		1496	jnz nsyse4
		1497
		1498	test ecx, ecx
		1499	jz nosesl
		1500
		1501	cmp ecx, 4
		1502	ja nosesl
		1503	mov [cd_base], cl
		1504
		1505	dec ecx
		1506	jnz noprma
		1507	mov [cdbase], 0x1f0
		1508	mov [cdid], 0xa0
		1509	noprma:
		1510
		1511	dec ecx
		1512	jnz noprsl
		1513	mov [cdbase], 0x1f0
		1514	mov [cdid], 0xb0
		1515	noprsl:
		1516	dec ecx
		1517	jnz nosema
		1518	mov [cdbase], 0x170
		1519	mov [cdid], 0xa0
		1520	nosema:
		1521	dec ecx
		1522	jnz nosesl
		1523	mov [cdbase], 0x170
		1524	mov [cdid], 0xb0
		1525	nosesl:
		1526	ret
		1527
		1528	iglobal
		1529	cd_base db 0
		1530
		1531	endg
		1532	nsyse4:
		1533
		1534	sub ebx, 2 ; SYSTEM LANGUAGE
		1535	jnz nsyse5
		1536	mov [syslang], ecx
		1537	ret
		1538	nsyse5:
		1539
		1540	sub ebx, 2 ; HD BASE
		1541	jnz nsyse7
		1542
		1543	test ecx, ecx
		1544	jz nosethd
		1545
		1546	cmp ecx, 4
		1547	ja nosethd
		1548	mov [hd_base], cl
		1549
		1550	cmp ecx, 1
		1551	jnz noprmahd
		1552	mov [hdbase], 0x1f0
		1553	and dword [hdid], 0x0
		1554	mov dword [hdpos], ecx
		1555	; call set_FAT32_variables
		1556	noprmahd:
		1557
		1558	cmp ecx, 2
		1559	jnz noprslhd
		1560	mov [hdbase], 0x1f0
		1561	mov [hdid], 0x10
		1562	mov dword [hdpos], ecx
		1563	; call set_FAT32_variables
		1564	noprslhd:
		1565
		1566	cmp ecx, 3
		1567	jnz nosemahd
		1568	mov [hdbase], 0x170
		1569	and dword [hdid], 0x0
		1570	mov dword [hdpos], ecx
		1571	; call set_FAT32_variables
		1572	nosemahd:
		1573
		1574	cmp ecx, 4
		1575	jnz noseslhd
		1576	mov [hdbase], 0x170
		1577	mov [hdid], 0x10
		1578	mov dword [hdpos], ecx
		1579	; call set_FAT32_variables
		1580	noseslhd:
		1581	call reserve_hd1
		1582	call reserve_hd_channel
		1583	call free_hd_channel
		1584	and dword [hd1_status], 0 ; free
		1585	nosethd:
		1586	ret
		1587
		1588	iglobal
		1589	hd_base db 0
		1590	endg
		1591
		1592	nsyse7:
		1593
		1594	; cmp eax,8 ; HD PARTITION
		1595	dec ebx
		1596	jnz nsyse8
		1597	mov [fat32part], ecx
		1598	; call set_FAT32_variables
		1599	call reserve_hd1
		1600	call reserve_hd_channel
		1601	call free_hd_channel
		1602	; pusha
		1603	call choice_necessity_partition_1
		1604	; popa
		1605	and dword [hd1_status], 0 ; free
		1606	ret
		1607
		1608	nsyse8:
		1609	; cmp eax,11 ; ENABLE LBA READ
		1610	and ecx, 1
		1611	sub ebx, 3
		1612	jnz no_set_lba_read
		1613	mov [lba_read_enabled], ecx
		1614	ret
		1615
		1616	no_set_lba_read:
		1617	; cmp eax,12 ; ENABLE PCI ACCESS
		1618	dec ebx
		1619	jnz sys_setup_err
		1620	mov [pci_access_enabled], ecx
		1621	ret
		1622
		1623	sys_setup_err:
		1624	or [esp+32], dword -1
		1625	ret
		1626
		1627	align 4
		1628
		1629	sys_getsetup:
		1630
		1631	; 1=roland mpu midi base , base io address
		1632	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1633	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1634	; 5=system language, 1eng 2fi 3ger 4rus
		1635	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1636	; 8=fat32 partition in hd
		1637	; 9=get hs timer tic
		1638
		1639	; cmp eax,1
		1640	dec ebx
		1641	jnz ngsyse1
		1642	movzx eax, [midi_base]
		1643	mov [esp+32], eax
		1644	ret
		1645	ngsyse1:
		1646	; cmp eax,2
		1647	dec ebx
		1648	jnz ngsyse2
		1649
		1650	mov edi, [TASK_BASE]
		1651	mov ebx, [edi+TASKDATA.mem_start]
		1652	add ebx, edx
		1653
		1654	; cmp ebx,1
		1655	dec ecx
		1656	jnz kbnobaseret
		1657	mov eax, keymap
		1658	mov ecx, 128
		1659	call memmove
		1660	ret
		1661	kbnobaseret:
		1662	; cmp ebx,2
		1663	dec ecx
		1664	jnz kbnoshiftret
		1665
		1666	mov eax, keymap_shift
		1667	mov ecx, 128
		1668	call memmove
		1669	ret
		1670	kbnoshiftret:
		1671	; cmp ebx,3
		1672	dec ecx
		1673	jne kbnoaltret
		1674
		1675	mov eax, keymap_alt
		1676	mov ecx, 128
		1677	call memmove
		1678	ret
		1679	kbnoaltret:
		1680	; cmp ebx,9
		1681	sub ecx, 6
		1682	jnz ngsyse2
		1683	movzx eax, word [keyboard]
		1684	mov [esp+32], eax
		1685	ret
		1686
		1687
		1688	ngsyse2:
		1689	; cmp eax,3
		1690	dec ebx
		1691	jnz ngsyse3
		1692	movzx eax, [cd_base]
		1693	mov [esp+32], eax
		1694	ret
		1695	ngsyse3:
		1696	; cmp eax,5
		1697	sub ebx, 2
		1698	jnz ngsyse5
		1699	mov eax, [syslang]
		1700	mov [esp+32], eax
		1701	ret
		1702	ngsyse5:
		1703	; cmp eax,7
		1704	sub ebx, 2
		1705	jnz ngsyse7
		1706	movzx eax, [hd_base]
		1707	mov [esp+32], eax
		1708	ret
		1709	ngsyse7:
		1710	; cmp eax,8
		1711	dec ebx
		1712	jnz ngsyse8
		1713	mov eax, [fat32part]
		1714	mov [esp+32], eax
		1715	ret
		1716	ngsyse8:
		1717	; cmp eax,9
		1718	dec ebx
		1719	jnz ngsyse9
		1720	mov eax, [timer_ticks];[0xfdf0]
		1721	mov [esp+32], eax
		1722	ret
		1723	ngsyse9:
		1724	; cmp eax,11
		1725	sub ebx, 2
		1726	jnz ngsyse11
		1727	mov eax, [lba_read_enabled]
		1728	mov [esp+32], eax
		1729	ret
		1730	ngsyse11:
		1731	; cmp eax,12
		1732	dec ebx
		1733	jnz ngsyse12
		1734	mov eax, [pci_access_enabled]
		1735	mov [esp+32], eax
		1736	ret
		1737	ngsyse12:
		1738	mov [esp+32], dword 1
		1739	ret
		1740
		1741
		1742	get_timer_ticks:
		1743	mov eax, [timer_ticks]
		1744	ret
		1745
		1746	iglobal
		1747	align 4
		1748	mousefn dd msscreen, mswin, msbutton, msset
		1749	dd app_load_cursor
		1750	dd app_set_cursor
		1751	dd app_delete_cursor
		1752	dd msz
		1753	endg
		1754
		1755	readmousepos:
		1756
		1757	; eax=0 screen relative
		1758	; eax=1 window relative
		1759	; eax=2 buttons pressed
		1760	; eax=3 set mouse pos ; reserved
		1761	; eax=4 load cursor
		1762	; eax=5 set cursor
		1763	; eax=6 delete cursor ; reserved
		1764	; eax=7 get mouse_z
		1765
		1766	cmp ebx, 7
		1767	ja msset
		1768	jmp [mousefn+ebx*4]
		1769	msscreen:
		1770	mov eax, [MOUSE_X]
		1771	shl eax, 16
		1772	mov ax, [MOUSE_Y]
		1773	mov [esp+36-4], eax
		1774	ret
		1775	mswin:
		1776	mov eax, [MOUSE_X]
		1777	shl eax, 16
		1778	mov ax, [MOUSE_Y]
		1779	mov esi, [TASK_BASE]
		1780	mov bx, word [esi-twdw+WDATA.box.left]
		1781	shl ebx, 16
		1782	mov bx, word [esi-twdw+WDATA.box.top]
		1783	sub eax, ebx
		1784
		1785	mov edi, [CURRENT_TASK]
		1786	shl edi, 8
		1787	sub ax, word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
		1788	rol eax, 16
		1789	sub ax, word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
		1790	rol eax, 16
		1791	mov [esp+36-4], eax
		1792	ret
		1793	msbutton:
		1794	movzx eax, byte [BTN_DOWN]
		1795	mov [esp+36-4], eax
		1796	ret
		1797	msz:
		1798	mov edi, [TASK_COUNT]
		1799	movzx edi, word [WIN_POS + edi*2]
		1800	cmp edi, [CURRENT_TASK]
		1801	jne @f
		1802	mov ax, [MOUSE_SCROLL_H]
		1803	shl eax, 16
		1804	mov ax, [MOUSE_SCROLL_V]
		1805	mov [esp+36-4], eax
		1806	and [MOUSE_SCROLL_H], word 0
		1807	and [MOUSE_SCROLL_V], word 0
		1808	ret
		1809	@@:
		1810	and [esp+36-4], dword 0
		1811	; ret
		1812	msset:
		1813	ret
		1814
		1815	app_load_cursor:
		1816	cmp ecx, OS_BASE
		1817	jae msset
		1818	stdcall load_cursor, ecx, edx
		1819	mov [esp+36-4], eax
		1820	ret
		1821
		1822	app_set_cursor:
		1823	stdcall set_cursor, ecx
		1824	mov [esp+36-4], eax
		1825	ret
		1826
		1827	app_delete_cursor:
		1828	stdcall delete_cursor, ecx
		1829	mov [esp+36-4], eax
		1830	ret
		1831
		1832	is_input:
		1833
		1834	push edx
		1835	mov dx, word [midisp]
		1836	in al, dx
		1837	and al, 0x80
		1838	pop edx
		1839	ret
		1840
		1841	is_output:
		1842
		1843	push edx
		1844	mov dx, word [midisp]
		1845	in al, dx
		1846	and al, 0x40
		1847	pop edx
		1848	ret
		1849
		1850
		1851	get_mpu_in:
		1852
		1853	push edx
		1854	mov dx, word [mididp]
		1855	in al, dx
		1856	pop edx
		1857	ret
		1858
		1859
		1860	put_mpu_out:
		1861
		1862	push edx
		1863	mov dx, word [mididp]
		1864	out dx, al
		1865	pop edx
		1866	ret
		1867
		1868
		1869
		1870	align 4
		1871
		1872	sys_midi:
		1873	cmp [mididp], 0
		1874	jnz sm0
		1875	mov [esp+36], dword 1
		1876	ret
		1877	sm0:
		1878	and [esp+36], dword 0
		1879	dec ebx
		1880	jnz smn1
		1881	; call setuart
		1882	su1:
		1883	call is_output
		1884	test al, al
		1885	jnz su1
		1886	mov dx, word [midisp]
		1887	mov al, 0xff
		1888	out dx, al
		1889	su2:
		1890	mov dx, word [midisp]
		1891	mov al, 0xff
		1892	out dx, al
		1893	call is_input
		1894	test al, al
		1895	jnz su2
		1896	call get_mpu_in
		1897	cmp al, 0xfe
		1898	jnz su2
		1899	su3:
		1900	call is_output
		1901	test al, al
		1902	jnz su3
		1903	mov dx, word [midisp]
		1904	mov al, 0x3f
		1905	out dx, al
		1906	ret
		1907	smn1:
		1908	dec ebx
		1909	jnz smn2
		1910	sm10:
		1911	call get_mpu_in
		1912	call is_output
		1913	test al, al
		1914	jnz sm10
		1915	mov al, bl
		1916	call put_mpu_out
		1917	smn2:
		1918	ret
		1919
		1920	detect_devices:
		1921	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1922	;include 'detect/commouse.inc'
		1923	;include 'detect/ps2mouse.inc'
		1924	;include 'detect/dev_fd.inc'
		1925	;include 'detect/dev_hdcd.inc'
		1926	;include 'detect/sear_par.inc'
		1927	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1928	ret
		1929
		1930	sys_end:
2430	mario79	1931	;--------------------------------------
		1932	cmp [_display.select_cursor], 0
		1933	je @f
		1934	; restore default cursor before killing
		1935	pusha
		1936	mov ecx, [current_slot]
2435	mario79	1937	call restore_default_cursor_before_killing
2430	mario79	1938	popa
		1939	@@:
		1940	;--------------------------------------
2288	clevermous	1941	mov ecx, [current_slot]
		1942	mov eax, [ecx+APPDATA.tls_base]
		1943	test eax, eax
		1944	jz @F
		1945
		1946	stdcall user_free, eax
		1947	@@:
		1948
		1949	mov eax, [TASK_BASE]
		1950	mov [eax+TASKDATA.state], 3; terminate this program
		1951
		1952	waitterm: ; wait here for termination
		1953	mov ebx, 100
		1954	call delay_hs
		1955	jmp waitterm
2435	mario79	1956	;------------------------------------------------------------------------------
2452	mario79	1957	align 4
2435	mario79	1958	restore_default_cursor_before_killing:
2468	mario79	1959	pushfd
		1960	cli
2435	mario79	1961	mov eax, [def_cursor]
		1962	mov [ecx+APPDATA.cursor], eax
2288	clevermous	1963
2435	mario79	1964	movzx eax, word [MOUSE_Y]
		1965	movzx ebx, word [MOUSE_X]
2446	mario79	1966	; mov ecx, [Screen_Max_X]
		1967	; inc ecx
		1968	; mul ecx
		1969	mov eax, [d_width_calc_area + eax*4]
		1970
2435	mario79	1971	add eax, [_WinMapAddress]
		1972	movzx edx, byte [ebx+eax]
		1973	shl edx, 8
		1974	mov esi, [edx+SLOT_BASE+APPDATA.cursor]
2452	mario79	1975
		1976	cmp esi, [current_cursor]
		1977	je @f
		1978
2435	mario79	1979	push esi
		1980	call [_display.select_cursor]
		1981	mov [current_cursor], esi
2452	mario79	1982	@@:
2450	mario79	1983	mov [redrawmouse_unconditional], 1
2468	mario79	1984	popfd
2453	mario79	1985	; call [draw_pointer]
		1986	call __sys_draw_pointer
2435	mario79	1987	ret
		1988	;------------------------------------------------------------------------------
2288	clevermous	1989	iglobal
		1990	align 4
		1991	sys_system_table:
		1992	dd sysfn_deactivate ; 1 = deactivate window
		1993	dd sysfn_terminate ; 2 = terminate thread
		1994	dd sysfn_activate ; 3 = activate window
		1995	dd sysfn_getidletime ; 4 = get idle time
		1996	dd sysfn_getcpuclock ; 5 = get cpu clock
		1997	dd sysfn_saveramdisk ; 6 = save ramdisk
		1998	dd sysfn_getactive ; 7 = get active window
		1999	dd sysfn_sound_flag ; 8 = get/set sound_flag
		2000	dd sysfn_shutdown ; 9 = shutdown with parameter
		2001	dd sysfn_minimize ; 10 = minimize window
		2002	dd sysfn_getdiskinfo ; 11 = get disk subsystem info
		2003	dd sysfn_lastkey ; 12 = get last pressed key
		2004	dd sysfn_getversion ; 13 = get kernel version
		2005	dd sysfn_waitretrace ; 14 = wait retrace
		2006	dd sysfn_centermouse ; 15 = center mouse cursor
		2007	dd sysfn_getfreemem ; 16 = get free memory size
		2008	dd sysfn_getallmem ; 17 = get total memory size
		2009	dd sysfn_terminate2 ; 18 = terminate thread using PID
		2010	; instead of slot
		2011	dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration
		2012	dd sysfn_meminfo ; 20 = get extended memory info
		2013	dd sysfn_pid_to_slot ; 21 = get slot number for pid
		2014	dd sysfn_min_rest_window ; 22 = minimize and restore any window
		2015	sysfn_num = ($ - sys_system_table)/4
		2016	endg
		2017	;------------------------------------------------------------------------------
		2018	sys_system:
		2019	dec ebx
		2020	cmp ebx, sysfn_num
		2021	jae @f
		2022	jmp dword [sys_system_table + ebx*4]
		2023	@@:
		2024	ret
		2025	;------------------------------------------------------------------------------
		2026	sysfn_shutdown: ; 18.9 = system shutdown
		2027	cmp ecx, 1
		2028	jl exit_for_anyone
		2029	cmp ecx, 4
		2030	jg exit_for_anyone
		2031	mov [BOOT_VAR+0x9030], cl
		2032
		2033	mov eax, [TASK_COUNT]
		2034	mov [SYS_SHUTDOWN], al
		2035	mov [shutdown_processes], eax
		2036	and dword [esp+32], 0
		2037	exit_for_anyone:
		2038	ret
		2039	uglobal
		2040	shutdown_processes:
		2041	dd 0x0
		2042	endg
		2043	;------------------------------------------------------------------------------
		2044	sysfn_terminate: ; 18.2 = TERMINATE
2472	mario79	2045	push ecx
2288	clevermous	2046	cmp ecx, 2
		2047	jb noprocessterminate
		2048	mov edx, [TASK_COUNT]
		2049	cmp ecx, edx
		2050	ja noprocessterminate
		2051	mov eax, [TASK_COUNT]
		2052	shl ecx, 5
		2053	mov edx, [ecx+CURRENT_TASK+TASKDATA.pid]
		2054	add ecx, CURRENT_TASK+TASKDATA.state
		2055	cmp byte [ecx], 9
		2056	jz noprocessterminate
2430	mario79	2057	;--------------------------------------
		2058	cmp [_display.select_cursor], 0
2452	mario79	2059	je .restore_end
2430	mario79	2060	; restore default cursor before killing
		2061	pusha
		2062	mov ecx, [esp+32]
		2063	shl ecx, 8
2435	mario79	2064	add ecx, SLOT_BASE
2452	mario79	2065	mov eax, [def_cursor]
		2066	cmp [ecx+APPDATA.cursor], eax
		2067	je @f
2435	mario79	2068	call restore_default_cursor_before_killing
2452	mario79	2069	@@:
2430	mario79	2070	popa
2452	mario79	2071	.restore_end:
2430	mario79	2072	;--------------------------------------
2288	clevermous	2073	;call MEM_Heap_Lock ;guarantee that process isn't working with heap
		2074	mov [ecx], byte 3; clear possible i40's
		2075	;call MEM_Heap_UnLock
		2076
		2077	cmp edx, [application_table_status]; clear app table stat
		2078	jne noatsc
		2079	and [application_table_status], 0
2468	mario79	2080	noatsc:
		2081	; for guarantee the updating data
		2082	call change_task
		2083	noprocessterminate:
2472	mario79	2084	add esp, 4
2288	clevermous	2085	ret
		2086	;------------------------------------------------------------------------------
		2087	sysfn_terminate2:
		2088	;lock application_table_status mutex
		2089	.table_status:
		2090	cli
		2091	cmp [application_table_status], 0
		2092	je .stf
		2093	sti
		2094	call change_task
		2095	jmp .table_status
		2096	.stf:
		2097	call set_application_table_status
		2098	mov eax, ecx
		2099	call pid_to_slot
		2100	test eax, eax
		2101	jz .not_found
		2102	mov ecx, eax
		2103	cli
		2104	call sysfn_terminate
		2105	and [application_table_status], 0
		2106	sti
		2107	and dword [esp+32], 0
		2108	ret
		2109	.not_found:
		2110	mov [application_table_status], 0
		2111	or dword [esp+32], -1
		2112	ret
		2113	;------------------------------------------------------------------------------
		2114	sysfn_deactivate: ; 18.1 = DEACTIVATE WINDOW
		2115	cmp ecx, 2
		2116	jb .nowindowdeactivate
		2117	cmp ecx, [TASK_COUNT]
		2118	ja .nowindowdeactivate
2408	Serge	2119
2288	clevermous	2120	movzx esi, word [WIN_STACK + ecx*2]
		2121	cmp esi, 1
		2122	je .nowindowdeactivate ; already deactive
		2123
		2124	mov edi, ecx
		2125	shl edi, 5
		2126	add edi, window_data
		2127	movzx esi, word [WIN_STACK + ecx * 2]
		2128	lea esi, [WIN_POS + esi * 2]
		2129	call window._.window_deactivate
2408	Serge	2130
2288	clevermous	2131	xor eax, eax
		2132	mov byte[MOUSE_BACKGROUND], al
		2133	mov byte[DONT_DRAW_MOUSE], al
		2134	mov byte[MOUSE_DOWN], 0
		2135
		2136	call syscall_display_settings._.calculate_whole_screen
		2137	call syscall_display_settings._.redraw_whole_screen
		2138	.nowindowdeactivate:
		2139	ret
2411	Serge	2140	;------------------------------------------------------------------------------
2288	clevermous	2141	sysfn_activate: ; 18.3 = ACTIVATE WINDOW
		2142	cmp ecx, 2
		2143	jb .nowindowactivate
		2144	cmp ecx, [TASK_COUNT]
		2145	ja .nowindowactivate
		2146
		2147	mov [window_minimize], 2; restore window if minimized
		2148
		2149	movzx esi, word [WIN_STACK + ecx*2]
		2150	cmp esi, [TASK_COUNT]
		2151	je .nowindowactivate; already active
		2152
		2153	mov edi, ecx
		2154	shl edi, 5
		2155	add edi, window_data
		2156	movzx esi, word [WIN_STACK + ecx * 2]
		2157	lea esi, [WIN_POS + esi * 2]
		2158	call waredraw
		2159	.nowindowactivate:
		2160	ret
		2161	;------------------------------------------------------------------------------
		2162	sysfn_getidletime: ; 18.4 = GET IDLETIME
		2163	mov eax, [idleusesec]
		2164	mov [esp+32], eax
		2165	ret
		2166	;------------------------------------------------------------------------------
		2167	sysfn_getcpuclock: ; 18.5 = GET TSC/SEC
		2168	mov eax, [CPU_FREQ]
		2169	mov [esp+32], eax
		2170	ret
		2171	;------------------------------------------------------------------------------
		2172	; SAVE ramdisk to /hd/1/menuet.img
		2173	;!!!!!!!!!!!!!!!!!!!!!!!!
		2174	include 'blkdev/rdsave.inc'
		2175	;!!!!!!!!!!!!!!!!!!!!!!!!
		2176	;------------------------------------------------------------------------------
		2177	align 4
		2178	sysfn_getactive: ; 18.7 = get active window
		2179	mov eax, [TASK_COUNT]
		2180	movzx eax, word [WIN_POS + eax*2]
		2181	mov [esp+32], eax
		2182	ret
		2183	;------------------------------------------------------------------------------
		2184	sysfn_sound_flag: ; 18.8 = get/set sound_flag
		2185	; cmp ecx,1
		2186	dec ecx
		2187	jnz nogetsoundflag
		2188	movzx eax, byte [sound_flag]; get sound_flag
		2189	mov [esp+32], eax
		2190	ret
		2191	nogetsoundflag:
		2192	; cmp ecx,2
		2193	dec ecx
		2194	jnz nosoundflag
		2195	xor byte [sound_flag], 1
		2196	nosoundflag:
		2197	ret
		2198	;------------------------------------------------------------------------------
		2199	sysfn_minimize: ; 18.10 = minimize window
		2200	mov [window_minimize], 1
		2201	ret
		2202	;------------------------------------------------------------------------------
		2203	align 4
		2204	sysfn_getdiskinfo: ; 18.11 = get disk info table
		2205	; cmp ecx,1
		2206	dec ecx
		2207	jnz full_table
		2208	small_table:
		2209	call for_all_tables
		2210	mov ecx, 10
		2211	cld
		2212	rep movsb
		2213	ret
		2214	for_all_tables:
		2215	mov edi, edx
		2216	mov esi, DRIVE_DATA
		2217	ret
		2218	full_table:
		2219	; cmp ecx,2
		2220	dec ecx
		2221	jnz exit_for_anyone
		2222	call for_all_tables
		2223	mov ecx, 16384
		2224	cld
		2225	rep movsd
		2226	ret
		2227	;------------------------------------------------------------------------------
		2228	sysfn_lastkey: ; 18.12 = return 0 (backward compatibility)
		2229	and dword [esp+32], 0
		2230	ret
		2231	;------------------------------------------------------------------------------
		2232	sysfn_getversion: ; 18.13 = get kernel ID and version
		2233	mov edi, ecx
		2234	mov esi, version_inf
		2235	mov ecx, version_end-version_inf
		2236	rep movsb
		2237	ret
		2238	;------------------------------------------------------------------------------
		2239	sysfn_waitretrace: ; 18.14 = sys wait retrace
		2240	;wait retrace functions
		2241	sys_wait_retrace:
		2242	mov edx, 0x3da
		2243	WaitRetrace_loop:
		2244	in al, dx
		2245	test al, 1000b
		2246	jz WaitRetrace_loop
		2247	and [esp+32], dword 0
		2248	ret
		2249	;------------------------------------------------------------------------------
		2250	align 4
		2251	sysfn_centermouse: ; 18.15 = mouse centered
		2252	; removed here by
		2253	; call mouse_centered
		2254	;* mouse centered - start code- Mario79
		2255	;mouse_centered:
		2256	; push eax
		2257	mov eax, [Screen_Max_X]
		2258	shr eax, 1
		2259	mov [MOUSE_X], ax
		2260	mov eax, [Screen_Max_Y]
		2261	shr eax, 1
		2262	mov [MOUSE_Y], ax
		2263	; ret
		2264	;* mouse centered - end code- Mario79
		2265	xor eax, eax
		2266	and [esp+32], eax
		2267	; pop eax
		2268	ret
		2269	;------------------------------------------------------------------------------
		2270	align 4
		2271	sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
		2272	test ecx, ecx; get mouse speed factor
		2273	jnz .set_mouse_acceleration
		2274	xor eax, eax
		2275	mov ax, [mouse_speed_factor]
		2276	mov [esp+32], eax
		2277	ret
		2278	.set_mouse_acceleration:
		2279	; cmp ecx,1 ; set mouse speed factor
		2280	dec ecx
		2281	jnz .get_mouse_delay
		2282	mov [mouse_speed_factor], dx
		2283	ret
		2284	.get_mouse_delay:
		2285	; cmp ecx,2 ; get mouse delay
		2286	dec ecx
		2287	jnz .set_mouse_delay
		2288	mov eax, [mouse_delay]
		2289	mov [esp+32], eax
		2290	ret
		2291	.set_mouse_delay:
		2292	; cmp ecx,3 ; set mouse delay
		2293	dec ecx
		2294	jnz .set_pointer_position
		2295	mov [mouse_delay], edx
		2296	ret
		2297	.set_pointer_position:
		2298	; cmp ecx,4 ; set mouse pointer position
		2299	dec ecx
		2300	jnz .set_mouse_button
		2301	cmp dx, word[Screen_Max_Y]
		2302	ja .end
		2303	rol edx, 16
		2304	cmp dx, word[Screen_Max_X]
		2305	ja .end
		2306	mov [MOUSE_X], edx
		2307	ret
		2308	.set_mouse_button:
		2309	; cmp ecx,5 ; set mouse button features
		2310	dec ecx
		2311	jnz .end
		2312	mov [BTN_DOWN], dl
		2313	mov [mouse_active], 1
		2314	.end:
		2315	ret
		2316	;------------------------------------------------------------------------------
		2317	sysfn_getfreemem:
		2318	mov eax, [pg_data.pages_free]
		2319	shl eax, 2
		2320	mov [esp+32], eax
		2321	ret
		2322
		2323	sysfn_getallmem:
		2324	mov eax, [MEM_AMOUNT]
		2325	shr eax, 10
		2326	mov [esp+32], eax
		2327	ret
		2328
		2329	; // Alver, 2007-22-08 // {
		2330	sysfn_pid_to_slot:
		2331	mov eax, ecx
		2332	call pid_to_slot
		2333	mov [esp+32], eax
		2334	ret
		2335
		2336	sysfn_min_rest_window:
		2337	pushad
		2338	mov eax, edx ; ebx - operating
		2339	shr ecx, 1
		2340	jnc @f
		2341	call pid_to_slot
		2342	@@:
		2343	or eax, eax ; eax - number of slot
		2344	jz .error
		2345	cmp eax, 255 ; varify maximal slot number
		2346	ja .error
		2347	movzx eax, word [WIN_STACK + eax*2]
		2348	shr ecx, 1
		2349	jc .restore
		2350	; .minimize:
		2351	call minimize_window
		2352	jmp .exit
		2353	.restore:
		2354	call restore_minimized_window
		2355	.exit:
		2356	popad
		2357	xor eax, eax
		2358	mov [esp+32], eax
		2359	ret
		2360	.error:
		2361	popad
		2362	xor eax, eax
		2363	dec eax
		2364	mov [esp+32], eax
		2365	ret
		2366	; } \\ Alver, 2007-22-08 \\
		2367
		2368	uglobal
		2369	;// mike.dld, 2006-29-01 [
		2370	screen_workarea RECT
		2371	;// mike.dld, 2006-29-01 ]
		2372	window_minimize db 0
		2373	sound_flag db 0
		2374	endg
		2375
		2376	UID_NONE=0
		2377	UID_MENUETOS=1 ;official
		2378	UID_KOLIBRI=2 ;russian
		2379
		2380	iglobal
		2381	version_inf:
		2382	db 0,7,7,0 ; version 0.7.7.0
		2383	db 0
		2384	dd __REV__
		2385	version_end:
		2386	endg
		2387
		2388	sys_cachetodiskette:
		2389	cmp ebx, 1
		2390	jne .no_floppy_a_save
		2391	mov [flp_number], 1
		2392	jmp .save_image_on_floppy
		2393	.no_floppy_a_save:
		2394	cmp ebx, 2
		2395	jne .no_floppy_b_save
		2396	mov [flp_number], 2
		2397	.save_image_on_floppy:
		2398	call save_image
		2399	mov [esp + 32], dword 0
		2400	cmp [FDC_Status], 0
		2401	je .yes_floppy_save
		2402	.no_floppy_b_save:
		2403	mov [esp + 32], dword 1
		2404	.yes_floppy_save:
		2405	ret
		2406
		2407	uglobal
		2408	; bgrchanged dd 0x0
		2409	align 4
		2410	bgrlockpid dd 0
		2411	bgrlock db 0
		2412	endg
		2413
		2414	sys_background:
		2415
		2416	cmp ebx, 1 ; BACKGROUND SIZE
		2417	jnz nosb1
		2418	test ecx, ecx
		2419	; cmp ecx,0
		2420	jz sbgrr
		2421	test edx, edx
		2422	; cmp edx,0
		2423	jz sbgrr
		2424	@@:
		2425	;;Maxis use atomic bts for mutexes 4.4.2009
		2426	bts dword [bgrlock], 0
		2427	jnc @f
		2428	call change_task
		2429	jmp @b
		2430	@@:
		2431	mov [BgrDataWidth], ecx
		2432	mov [BgrDataHeight], edx
		2433	; mov [bgrchanged],1
		2434
		2435	pushad
		2436	; return memory for old background
		2437	mov eax, [img_background]
		2438	cmp eax, static_background_data
		2439	jz @f
		2440	stdcall kernel_free, eax
		2441	@@:
		2442	; calculate RAW size
		2443	xor eax, eax
		2444	inc eax
		2445	cmp [BgrDataWidth], eax
		2446	jae @f
		2447	mov [BgrDataWidth], eax
		2448	@@:
		2449	cmp [BgrDataHeight], eax
		2450	jae @f
		2451	mov [BgrDataHeight], eax
		2452	@@:
		2453	mov eax, [BgrDataWidth]
		2454	imul eax, [BgrDataHeight]
		2455	lea eax, [eax*3]
2464	mario79	2456	; it is reserved with aligned to the boundary of 4 KB pages,
		2457	; otherwise there may be exceptions a page fault for vesa20_drawbackground_tiled
		2458	; because the 32 bit read is used for high performance: "mov eax,[esi]"
		2459	shr eax, 12
		2460	inc eax
		2461	shl eax, 12
2288	clevermous	2462	mov [mem_BACKGROUND], eax
		2463	; get memory for new background
		2464	stdcall kernel_alloc, eax
		2465	test eax, eax
		2466	jz .memfailed
		2467	mov [img_background], eax
		2468	jmp .exit
		2469	.memfailed:
		2470	; revert to static monotone data
		2471	mov [img_background], static_background_data
		2472	xor eax, eax
		2473	inc eax
		2474	mov [BgrDataWidth], eax
		2475	mov [BgrDataHeight], eax
		2476	mov [mem_BACKGROUND], 4
		2477	.exit:
		2478	popad
		2479	mov [bgrlock], 0
		2480
		2481	sbgrr:
		2482	ret
		2483
		2484	nosb1:
		2485
		2486	cmp ebx, 2 ; SET PIXEL
		2487	jnz nosb2
		2488
		2489	mov eax, [img_background]
		2490	test ecx, ecx
		2491	jz @f
		2492	cmp eax, static_background_data
		2493	jz .ret
		2494	@@:
		2495	mov ebx, [mem_BACKGROUND]
		2496	add ebx, 4095
		2497	and ebx, -4096
		2498	sub ebx, 4
		2499	cmp ecx, ebx
		2500	ja .ret
		2501
		2502	mov ebx, [eax+ecx]
		2503	and ebx, 0xFF000000;255256256*256
		2504	and edx, 0x00FFFFFF;255256256+255*256+255
		2505	add edx, ebx
		2506	mov [eax+ecx], edx
		2507	.ret:
		2508	ret
		2509	nosb2:
		2510
		2511	cmp ebx, 3 ; DRAW BACKGROUND
		2512	jnz nosb3
		2513	draw_background_temp:
		2514	; cmp [bgrchanged],1 ;0
		2515	; je nosb31
		2516	;draw_background_temp:
		2517	; mov [bgrchanged],1 ;0
		2518	mov [background_defined], 1
		2519	mov byte[BACKGROUND_CHANGED], 1
		2520	call force_redraw_background
		2521	nosb31:
		2522	ret
		2523	nosb3:
		2524
		2525	cmp ebx, 4 ; TILED / STRETCHED
		2526	jnz nosb4
		2527	cmp ecx, [BgrDrawMode]
		2528	je nosb41
		2529	mov [BgrDrawMode], ecx
		2530	; mov [bgrchanged],1
		2531	nosb41:
		2532	ret
		2533	nosb4:
		2534
		2535	cmp ebx, 5 ; BLOCK MOVE TO BGR
		2536	jnz nosb5
		2537	cmp [img_background], static_background_data
		2538	jnz @f
		2539	test edx, edx
		2540	jnz .fin
		2541	cmp esi, 4
		2542	ja .fin
		2543	@@:
		2544	; bughere
		2545	mov eax, ecx
		2546	mov ebx, edx
		2547	add ebx, [img_background];IMG_BACKGROUND
		2548	mov ecx, esi
		2549	call memmove
		2550	.fin:
		2551	ret
		2552	nosb5:
		2553
		2554	cmp ebx, 6
		2555	jnz nosb6
		2556	;;Maxis use atomic bts for mutex 4.4.2009
		2557	@@:
		2558	bts dword [bgrlock], 0
		2559	jnc @f
		2560	call change_task
		2561	jmp @b
		2562	@@:
		2563	mov eax, [CURRENT_TASK]
		2564	mov [bgrlockpid], eax
		2565	cmp [img_background], static_background_data
		2566	jz .nomem
		2567	stdcall user_alloc, [mem_BACKGROUND]
		2568	mov [esp+32], eax
		2569	test eax, eax
		2570	jz .nomem
		2571	mov ebx, eax
		2572	shr ebx, 12
		2573	or dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK
		2574	mov esi, [img_background]
		2575	shr esi, 12
		2576	mov ecx, [mem_BACKGROUND]
		2577	add ecx, 0xFFF
		2578	shr ecx, 12
		2579	.z:
		2580	mov eax, [page_tabs+ebx*4]
		2581	test al, 1
		2582	jz @f
		2583	call free_page
		2584	@@:
		2585	mov eax, [page_tabs+esi*4]
		2586	or al, PG_UW
		2587	mov [page_tabs+ebx*4], eax
		2588	mov eax, ebx
		2589	shl eax, 12
		2590	invlpg [eax]
		2591	inc ebx
		2592	inc esi
		2593	loop .z
		2594	ret
		2595	.nomem:
		2596	and [bgrlockpid], 0
		2597	mov [bgrlock], 0
		2598	nosb6:
		2599	cmp ebx, 7
		2600	jnz nosb7
		2601	cmp [bgrlock], 0
		2602	jz .err
		2603	mov eax, [CURRENT_TASK]
		2604	cmp [bgrlockpid], eax
		2605	jnz .err
		2606	mov eax, ecx
		2607	mov ebx, ecx
		2608	shr eax, 12
		2609	mov ecx, [page_tabs+(eax-1)*4]
		2610	test cl, USED_BLOCK+DONT_FREE_BLOCK
		2611	jz .err
		2612	jnp .err
		2613	push eax
		2614	shr ecx, 12
		2615	dec ecx
		2616	@@:
		2617	and dword [page_tabs+eax*4], 0
		2618	mov edx, eax
		2619	shl edx, 12
		2620	push eax
		2621	invlpg [edx]
		2622	pop eax
		2623	inc eax
		2624	loop @b
		2625	pop eax
		2626	and dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK
		2627	stdcall user_free, ebx
		2628	mov [esp+32], eax
		2629	and [bgrlockpid], 0
		2630	mov [bgrlock], 0
		2631	ret
		2632	.err:
		2633	and dword [esp+32], 0
		2634	ret
		2635
		2636	nosb7:
		2637	ret
		2638
		2639	force_redraw_background:
		2640	and [draw_data+32 + RECT.left], 0
		2641	and [draw_data+32 + RECT.top], 0
		2642	push eax ebx
		2643	mov eax, [Screen_Max_X]
		2644	mov ebx, [Screen_Max_Y]
		2645	mov [draw_data+32 + RECT.right], eax
		2646	mov [draw_data+32 + RECT.bottom], ebx
		2647	pop ebx eax
		2648	inc byte[REDRAW_BACKGROUND]
		2649	ret
		2650
		2651	align 4
		2652
		2653	sys_getbackground:
		2654	; cmp eax,1 ; SIZE
		2655	dec ebx
		2656	jnz nogb1
		2657	mov eax, [BgrDataWidth]
		2658	shl eax, 16
		2659	mov ax, [BgrDataHeight]
		2660	mov [esp+32], eax
		2661	ret
		2662
		2663	nogb1:
		2664	; cmp eax,2 ; PIXEL
		2665	dec ebx
		2666	jnz nogb2
		2667
		2668	mov eax, [img_background]
		2669	test ecx, ecx
		2670	jz @f
		2671	cmp eax, static_background_data
		2672	jz .ret
		2673	@@:
		2674	mov ebx, [mem_BACKGROUND]
		2675	add ebx, 4095
		2676	and ebx, -4096
		2677	sub ebx, 4
		2678	cmp ecx, ebx
		2679	ja .ret
		2680
		2681	mov eax, [ecx+eax]
		2682
		2683	and eax, 0xFFFFFF
		2684	mov [esp+32], eax
		2685	.ret:
		2686	ret
		2687	nogb2:
		2688
		2689	; cmp eax,4 ; TILED / STRETCHED
		2690	dec ebx
		2691	dec ebx
		2692	jnz nogb4
		2693	mov eax, [BgrDrawMode]
		2694	nogb4:
		2695	mov [esp+32], eax
		2696	ret
		2697
		2698	align 4
		2699
		2700	sys_getkey:
		2701	mov [esp + 32], dword 1
		2702	; test main buffer
		2703	mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
		2704	movzx ecx, word [WIN_STACK + ebx * 2]
		2705	mov edx, [TASK_COUNT]
		2706	cmp ecx, edx
		2707	jne .finish
		2708	cmp [KEY_COUNT], byte 0
		2709	je .finish
		2710	movzx eax, byte [KEY_BUFF]
		2711	shl eax, 8
		2712	push eax
		2713	dec byte [KEY_COUNT]
		2714	and byte [KEY_COUNT], 127
		2715	movzx ecx, byte [KEY_COUNT]
		2716	add ecx, 2
		2717	mov eax, KEY_BUFF + 1
		2718	mov ebx, KEY_BUFF
		2719	call memmove
		2720	pop eax
		2721	.ret_eax:
		2722	mov [esp + 32], eax
		2723	ret
		2724	.finish:
		2725	; test hotkeys buffer
		2726	mov ecx, hotkey_buffer
		2727	@@:
		2728	cmp [ecx], ebx
		2729	jz .found
		2730	add ecx, 8
		2731	cmp ecx, hotkey_buffer + 120 * 8
		2732	jb @b
		2733	ret
		2734	.found:
		2735	mov ax, [ecx + 6]
		2736	shl eax, 16
		2737	mov ah, [ecx + 4]
		2738	mov al, 2
		2739	and dword [ecx + 4], 0
		2740	and dword [ecx], 0
		2741	jmp .ret_eax
		2742
		2743	align 4
		2744
		2745	sys_getbutton:
		2746
		2747	mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
		2748	mov [esp + 32], dword 1
		2749	movzx ecx, word [WIN_STACK + ebx * 2]
		2750	mov edx, [TASK_COUNT] ; less than 256 processes
		2751	cmp ecx, edx
		2752	jne .exit
		2753	movzx eax, byte [BTN_COUNT]
		2754	test eax, eax
		2755	jz .exit
		2756	mov eax, [BTN_BUFF]
		2757	and al, 0xFE ; delete left button bit
		2758	mov [BTN_COUNT], byte 0
		2759	mov [esp + 32], eax
		2760	.exit:
		2761	ret
		2762
		2763
		2764	align 4
		2765
		2766	sys_cpuusage:
		2767
		2768	; RETURN:
		2769	;
		2770	; +00 dword process cpu usage
		2771	; +04 word position in windowing stack
		2772	; +06 word windowing stack value at current position (cpu nro)
		2773	; +10 12 bytes name
		2774	; +22 dword start in mem
		2775	; +26 dword used mem
		2776	; +30 dword PID , process idenfification number
		2777	;
		2778
		2779	cmp ecx, -1 ; who am I ?
		2780	jne .no_who_am_i
		2781	mov ecx, [CURRENT_TASK]
		2782	.no_who_am_i:
		2783	cmp ecx, max_processes
		2784	ja .nofillbuf
		2785
		2786	; +4: word: position of the window of thread in the window stack
		2787	mov ax, [WIN_STACK + ecx * 2]
		2788	mov [ebx+4], ax
		2789	; +6: word: number of the thread slot, which window has in the window stack
		2790	; position ecx (has no relation to the specific thread)
		2791	mov ax, [WIN_POS + ecx * 2]
		2792	mov [ebx+6], ax
		2793
		2794	shl ecx, 5
		2795
		2796	; +0: dword: memory usage
		2797	mov eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage]
		2798	mov [ebx], eax
		2799	; +10: 11 bytes: name of the process
		2800	push ecx
		2801	lea eax, [ecx*8+SLOT_BASE+APPDATA.app_name]
		2802	add ebx, 10
		2803	mov ecx, 11
		2804	call memmove
		2805	pop ecx
		2806
		2807	; +22: address of the process in memory
		2808	; +26: size of used memory - 1
		2809	push edi
		2810	lea edi, [ebx+12]
		2811	xor eax, eax
		2812	mov edx, 0x100000*16
		2813	cmp ecx, 1 shl 5
		2814	je .os_mem
		2815	mov edx, [SLOT_BASE+ecx*8+APPDATA.mem_size]
		2816	mov eax, std_application_base_address
		2817	.os_mem:
		2818	stosd
		2819	lea eax, [edx-1]
		2820	stosd
		2821
		2822	; +30: PID/TID
		2823	mov eax, [ecx+CURRENT_TASK+TASKDATA.pid]
		2824	stosd
		2825
		2826	; window position and size
		2827	push esi
		2828	lea esi, [ecx + window_data + WDATA.box]
		2829	movsd
		2830	movsd
		2831	movsd
		2832	movsd
		2833
		2834	; Process state (+50)
		2835	mov eax, dword [ecx+CURRENT_TASK+TASKDATA.state]
		2836	stosd
		2837
		2838	; Window client area box
		2839	lea esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox]
		2840	movsd
		2841	movsd
		2842	movsd
		2843	movsd
		2844
		2845	; Window state
		2846	mov al, [ecx+window_data+WDATA.fl_wstate]
		2847	stosb
		2848
		2849	; Event mask (+71)
		2850	mov EAX, dword [ECX+CURRENT_TASK+TASKDATA.event_mask]
		2851	stosd
		2852
		2853	pop esi
		2854	pop edi
		2855
		2856	.nofillbuf:
		2857	; return number of processes
		2858
		2859	mov eax, [TASK_COUNT]
		2860	mov [esp+32], eax
		2861	ret
		2862
		2863	align 4
		2864	sys_clock:
		2865	cli
		2866	; Mikhail Lisovin xx Jan 2005
		2867	@@:
		2868	mov al, 10
		2869	out 0x70, al
		2870	in al, 0x71
		2871	test al, al
		2872	jns @f
		2873	mov esi, 1
		2874	call delay_ms
		2875	jmp @b
		2876	@@:
		2877	; end Lisovin's fix
		2878
		2879	xor al, al ; seconds
		2880	out 0x70, al
		2881	in al, 0x71
		2882	movzx ecx, al
		2883	mov al, 02 ; minutes
		2884	shl ecx, 16
		2885	out 0x70, al
		2886	in al, 0x71
		2887	movzx edx, al
		2888	mov al, 04 ; hours
		2889	shl edx, 8
		2890	out 0x70, al
		2891	in al, 0x71
		2892	add ecx, edx
		2893	movzx edx, al
		2894	add ecx, edx
		2895	sti
		2896	mov [esp + 32], ecx
		2897	ret
		2898
		2899
		2900	align 4
		2901
		2902	sys_date:
		2903
		2904	cli
		2905	@@:
		2906	mov al, 10
		2907	out 0x70, al
		2908	in al, 0x71
		2909	test al, al
		2910	jns @f
		2911	mov esi, 1
		2912	call delay_ms
		2913	jmp @b
		2914	@@:
		2915
		2916	mov ch, 0
		2917	mov al, 7 ; date
		2918	out 0x70, al
		2919	in al, 0x71
		2920	mov cl, al
		2921	mov al, 8 ; month
		2922	shl ecx, 16
		2923	out 0x70, al
		2924	in al, 0x71
		2925	mov ch, al
		2926	mov al, 9 ; year
		2927	out 0x70, al
		2928	in al, 0x71
		2929	mov cl, al
		2930	sti
		2931	mov [esp+32], ecx
		2932	ret
		2933
		2934
		2935	; redraw status
		2936
		2937	sys_redrawstat:
		2938	cmp ebx, 1
		2939	jne no_widgets_away
		2940	; buttons away
		2941	mov ecx, [CURRENT_TASK]
		2942	sys_newba2:
		2943	mov edi, [BTN_ADDR]
		2944	cmp [edi], dword 0 ; empty button list ?
		2945	je end_of_buttons_away
		2946	movzx ebx, word [edi]
		2947	inc ebx
		2948	mov eax, edi
		2949	sys_newba:
		2950	dec ebx
		2951	jz end_of_buttons_away
		2952
		2953	add eax, 0x10
		2954	cmp cx, [eax]
		2955	jnz sys_newba
		2956
		2957	push eax ebx ecx
		2958	mov ecx, ebx
		2959	inc ecx
		2960	shl ecx, 4
		2961	mov ebx, eax
		2962	add eax, 0x10
		2963	call memmove
		2964	dec dword [edi]
		2965	pop ecx ebx eax
		2966
		2967	jmp sys_newba2
		2968
		2969	end_of_buttons_away:
		2970
		2971	ret
		2972
		2973	no_widgets_away:
		2974
		2975	cmp ebx, 2
		2976	jnz srl1
		2977
		2978	mov edx, [TASK_BASE] ; return whole screen draw area for this app
		2979	add edx, draw_data - CURRENT_TASK
		2980	mov [edx + RECT.left], 0
		2981	mov [edx + RECT.top], 0
		2982	mov eax, [Screen_Max_X]
		2983	mov [edx + RECT.right], eax
		2984	mov eax, [Screen_Max_Y]
		2985	mov [edx + RECT.bottom], eax
		2986
		2987	srl1:
		2988	ret
		2989
		2990	;ok - 100% work
		2991	;nt - not tested
		2992	;---------------------------------------------------------------------------------------------
		2993	;eax
		2994	;0 - task switch counter. Ret switch counter in eax. Block. ok.
		2995	;1 - change task. Ret nothing. Block. ok.
		2996	;2 - performance control
		2997	; ebx
		2998	; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
		2999	; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
		3000	; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
		3001	; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
		3002	; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
		3003	;eax
		3004	;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		3005	;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		3006	;---------------------------------------------------------------------------------------------
		3007	iglobal
		3008	align 4
		3009	sheduler:
		3010	dd sys_sheduler.00
		3011	dd change_task
		3012	dd sys_sheduler.02
		3013	dd sys_sheduler.03
		3014	dd sys_sheduler.04
		3015	endg
		3016	sys_sheduler:
		3017	;rewritten by 29.12.2009
		3018	jmp dword [sheduler+ebx*4]
		3019	;.shed_counter:
		3020	.00:
		3021	mov eax, [context_counter]
		3022	mov [esp+32], eax
		3023	ret
		3024
		3025	.02:
		3026	;.perf_control:
		3027	inc ebx ;before ebx=2, ebx=3
		3028	cmp ebx, ecx ;if ecx=3, ebx=3
		3029	jz cache_disable
		3030
		3031	dec ebx ;ebx=2
		3032	cmp ebx, ecx ;
		3033	jz cache_enable ;if ecx=2 and ebx=2
		3034
		3035	dec ebx ;ebx=1
		3036	cmp ebx, ecx
		3037	jz is_cache_enabled ;if ecx=1 and ebx=1
		3038
		3039	dec ebx
		3040	test ebx, ecx ;ebx=0 and ecx=0
		3041	jz modify_pce ;if ecx=0
		3042
		3043	ret
		3044
		3045	.03:
		3046	;.rdmsr_instr:
		3047	;now counter in ecx
		3048	;(edx:eax) esi:edi => edx:esi
		3049	mov eax, esi
		3050	mov ecx, edx
		3051	rdmsr
		3052	mov [esp+32], eax
		3053	mov [esp+20], edx ;ret in ebx?
		3054	ret
		3055
		3056	.04:
		3057	;.wrmsr_instr:
		3058	;now counter in ecx
		3059	;(edx:eax) esi:edi => edx:esi
		3060	; Fast Call MSR can't be destroy
		3061	; �� MSR_AMD_EFER �� , �.�. � �⮬ ॣ��
		3062	; ��/�몫�� ७��
		3063	cmp edx, MSR_SYSENTER_CS
		3064	je @f
		3065	cmp edx, MSR_SYSENTER_ESP
		3066	je @f
		3067	cmp edx, MSR_SYSENTER_EIP
		3068	je @f
		3069	cmp edx, MSR_AMD_STAR
		3070	je @f
		3071
		3072	mov eax, esi
		3073	mov ecx, edx
		3074	wrmsr
		3075	; mov [esp + 32], eax
		3076	; mov [esp + 20], edx ;ret in ebx?
		3077	@@:
		3078	ret
		3079
		3080	cache_disable:
		3081	mov eax, cr0
		3082	or eax, 01100000000000000000000000000000b
		3083	mov cr0, eax
		3084	wbinvd ;set MESI
		3085	ret
		3086
		3087	cache_enable:
		3088	mov eax, cr0
		3089	and eax, 10011111111111111111111111111111b
		3090	mov cr0, eax
		3091	ret
		3092
		3093	is_cache_enabled:
		3094	mov eax, cr0
		3095	mov ebx, eax
		3096	and eax, 01100000000000000000000000000000b
		3097	jz cache_disabled
		3098	mov [esp+32], ebx
		3099	cache_disabled:
		3100	mov dword [esp+32], eax;0
		3101	ret
		3102
		3103	modify_pce:
		3104	mov eax, cr4
		3105	; mov ebx,0
		3106	; or bx,100000000b ;pce
		3107	; xor eax,ebx ;invert pce
		3108	bts eax, 8;pce=cr4[8]
		3109	mov cr4, eax
		3110	mov [esp+32], eax
		3111	ret
		3112	;---------------------------------------------------------------------------------------------
		3113
		3114
		3115	; check if pixel is allowed to be drawn
		3116
2446	mario79	3117	;checkpixel:
		3118	; push eax edx
2288	clevermous	3119
2446	mario79	3120	;; mov edx, [Screen_Max_X] ; screen x size
		3121	;; inc edx
		3122	;; imul edx, ebx
		3123	; mov edx, [d_width_calc_area + ebx*4]
		3124	; add eax, [_WinMapAddress]
		3125	; mov dl, [eax+edx]; lea eax, [...]
2288	clevermous	3126
2446	mario79	3127	; xor ecx, ecx
		3128	; mov eax, [CURRENT_TASK]
		3129	; cmp al, dl
		3130	; setne cl
2288	clevermous	3131
2446	mario79	3132	; pop edx eax
		3133	; ret
2288	clevermous	3134
		3135	iglobal
		3136	cpustring db 'CPU',0
		3137	endg
		3138
		3139	uglobal
		3140	background_defined db 0 ; diamond, 11.04.2006
		3141	endg
		3142
		3143	align 4
		3144	; check misc
		3145
		3146	checkmisc:
		3147
		3148	cmp [ctrl_alt_del], 1
		3149	jne nocpustart
		3150
		3151	mov ebp, cpustring
		3152	call fs_execute_from_sysdir
		3153
		3154	mov [ctrl_alt_del], 0
		3155
		3156	nocpustart:
		3157	cmp [mouse_active], 1
		3158	jne mouse_not_active
		3159	mov [mouse_active], 0
2411	Serge	3160
2288	clevermous	3161	xor edi, edi
2411	Serge	3162	mov ebx, CURRENT_TASK
		3163
2288	clevermous	3164	mov ecx, [TASK_COUNT]
2408	Serge	3165	movzx eax, word [WIN_POS + ecx*2] ; active window
		3166	shl eax, 8
2414	Serge	3167	push eax
2408	Serge	3168
2414	Serge	3169	movzx eax, word [MOUSE_X]
		3170	movzx edx, word [MOUSE_Y]
		3171
2408	Serge	3172	align 4
		3173	.set_mouse_event:
2288	clevermous	3174	add edi, 256
2411	Serge	3175	add ebx, 32
		3176	test [ebx+TASKDATA.event_mask], 0x80000000
2414	Serge	3177	jz .pos_filter
		3178
		3179	cmp edi, [esp] ; skip if filtration active
		3180	jne .skip
		3181
		3182	.pos_filter:
		3183	test [ebx+TASKDATA.event_mask], 0x40000000
2411	Serge	3184	jz .set
2288	clevermous	3185
2414	Serge	3186	mov esi, [ebx-twdw+WDATA.box.left]
		3187	cmp eax, esi
		3188	jb .skip
		3189	add esi, [ebx-twdw+WDATA.box.width]
		3190	cmp eax, esi
		3191	ja .skip
		3192
		3193	mov esi, [ebx-twdw+WDATA.box.top]
		3194	cmp edx, esi
		3195	jb .skip
		3196	add esi, [ebx-twdw+WDATA.box.height]
		3197	cmp edx, esi
		3198	ja .skip
2411	Serge	3199	.set:
2408	Serge	3200	or [edi+SLOT_BASE+APPDATA.event_mask], 100000b
2411	Serge	3201	.skip:
2408	Serge	3202	loop .set_mouse_event
		3203
2414	Serge	3204	pop eax
		3205
2288	clevermous	3206	mouse_not_active:
		3207	cmp byte[BACKGROUND_CHANGED], 0
		3208	jz no_set_bgr_event
		3209	xor edi, edi
		3210	mov ecx, [TASK_COUNT]
		3211	set_bgr_event:
		3212	add edi, 256
		3213	or [edi+SLOT_BASE+APPDATA.event_mask], 16
		3214	loop set_bgr_event
		3215	mov byte[BACKGROUND_CHANGED], 0
		3216	no_set_bgr_event:
		3217	cmp byte[REDRAW_BACKGROUND], 0 ; background update ?
		3218	jz nobackgr
		3219	cmp [background_defined], 0
		3220	jz nobackgr
		3221	; mov [draw_data+32 + RECT.left],dword 0
		3222	; mov [draw_data+32 + RECT.top],dword 0
		3223	; mov eax,[Screen_Max_X]
		3224	; mov ebx,[Screen_Max_Y]
		3225	; mov [draw_data+32 + RECT.right],eax
		3226	; mov [draw_data+32 + RECT.bottom],ebx
		3227	@@:
		3228	call drawbackground
		3229	xor eax, eax
		3230	xchg al, [REDRAW_BACKGROUND]
		3231	test al, al ; got new update request?
		3232	jnz @b
		3233	mov [draw_data+32 + RECT.left], eax
		3234	mov [draw_data+32 + RECT.top], eax
		3235	mov [draw_data+32 + RECT.right], eax
		3236	mov [draw_data+32 + RECT.bottom], eax
		3237	mov [MOUSE_BACKGROUND], byte 0
		3238
		3239	nobackgr:
		3240
		3241	; system shutdown request
		3242
		3243	cmp [SYS_SHUTDOWN], byte 0
		3244	je noshutdown
		3245
		3246	mov edx, [shutdown_processes]
		3247
		3248	cmp [SYS_SHUTDOWN], dl
		3249	jne no_mark_system_shutdown
		3250
		3251	lea ecx, [edx-1]
		3252	mov edx, OS_BASE+0x3040
		3253	jecxz @f
		3254	markz:
		3255	mov [edx+TASKDATA.state], byte 3
		3256	add edx, 0x20
		3257	loop markz
		3258	@@:
		3259
		3260	no_mark_system_shutdown:
		3261
		3262	dec byte [SYS_SHUTDOWN]
		3263	je system_shutdown
		3264
		3265	noshutdown:
		3266
		3267
		3268	mov eax, [TASK_COUNT] ; termination
		3269	mov ebx, TASK_DATA+TASKDATA.state
		3270	mov esi, 1
		3271
		3272	newct:
		3273	mov cl, [ebx]
		3274	cmp cl, byte 3
		3275	jz terminate
		3276	cmp cl, byte 4
		3277	jz terminate
		3278
		3279	add ebx, 0x20
		3280	inc esi
		3281	dec eax
		3282	jnz newct
		3283	ret
		3284
		3285	; redraw screen
		3286
		3287	redrawscreen:
		3288
		3289	; eax , if process window_data base is eax, do not set flag/limits
		3290
		3291	pushad
		3292	push eax
		3293
		3294	;;; mov ebx,2
		3295	;;; call delay_hs
		3296
		3297	;mov ecx,0 ; redraw flags for apps
		3298	xor ecx, ecx
		3299	newdw2:
		3300
		3301	inc ecx
		3302	push ecx
		3303
		3304	mov eax, ecx
		3305	shl eax, 5
		3306	add eax, window_data
		3307
		3308	cmp eax, [esp+4]
		3309	je not_this_task
		3310	; check if window in redraw area
		3311	mov edi, eax
		3312
		3313	cmp ecx, 1 ; limit for background
		3314	jz bgli
		3315
		3316	mov eax, [edi + WDATA.box.left]
		3317	mov ebx, [edi + WDATA.box.top]
		3318	mov ecx, [edi + WDATA.box.width]
		3319	mov edx, [edi + WDATA.box.height]
		3320	add ecx, eax
		3321	add edx, ebx
		3322
		3323	mov ecx, [draw_limits.bottom] ; ecx = area y end ebx = window y start
		3324	cmp ecx, ebx
		3325	jb ricino
		3326
		3327	mov ecx, [draw_limits.right] ; ecx = area x end eax = window x start
		3328	cmp ecx, eax
		3329	jb ricino
		3330
		3331	mov eax, [edi + WDATA.box.left]
		3332	mov ebx, [edi + WDATA.box.top]
		3333	mov ecx, [edi + WDATA.box.width]
		3334	mov edx, [edi + WDATA.box.height]
		3335	add ecx, eax
		3336	add edx, ebx
		3337
		3338	mov eax, [draw_limits.top] ; eax = area y start edx = window y end
		3339	cmp edx, eax
		3340	jb ricino
		3341
		3342	mov eax, [draw_limits.left] ; eax = area x start ecx = window x end
		3343	cmp ecx, eax
		3344	jb ricino
		3345
		3346	bgli:
		3347
		3348	cmp dword[esp], 1
		3349	jnz .az
		3350	; cmp byte[BACKGROUND_CHANGED], 0
		3351	; jnz newdw8
		3352	cmp byte[REDRAW_BACKGROUND], 0
		3353	jz .az
		3354	mov dl, 0
		3355	lea eax, [edi+draw_data-window_data]
		3356	mov ebx, [draw_limits.left]
		3357	cmp ebx, [eax+RECT.left]
		3358	jae @f
		3359	mov [eax+RECT.left], ebx
		3360	mov dl, 1
		3361	@@:
		3362	mov ebx, [draw_limits.top]
		3363	cmp ebx, [eax+RECT.top]
		3364	jae @f
		3365	mov [eax+RECT.top], ebx
		3366	mov dl, 1
		3367	@@:
		3368	mov ebx, [draw_limits.right]
		3369	cmp ebx, [eax+RECT.right]
		3370	jbe @f
		3371	mov [eax+RECT.right], ebx
		3372	mov dl, 1
		3373	@@:
		3374	mov ebx, [draw_limits.bottom]
		3375	cmp ebx, [eax+RECT.bottom]
		3376	jbe @f
		3377	mov [eax+RECT.bottom], ebx
		3378	mov dl, 1
		3379	@@:
		3380	add byte[REDRAW_BACKGROUND], dl
		3381	jmp newdw8
		3382	.az:
		3383
		3384	mov eax, edi
		3385	add eax, draw_data-window_data
		3386
		3387	mov ebx, [draw_limits.left] ; set limits
		3388	mov [eax + RECT.left], ebx
		3389	mov ebx, [draw_limits.top]
		3390	mov [eax + RECT.top], ebx
		3391	mov ebx, [draw_limits.right]
		3392	mov [eax + RECT.right], ebx
		3393	mov ebx, [draw_limits.bottom]
		3394	mov [eax + RECT.bottom], ebx
		3395
		3396	sub eax, draw_data-window_data
		3397
		3398	cmp dword [esp], 1
		3399	jne nobgrd
		3400	inc byte[REDRAW_BACKGROUND]
		3401
		3402	newdw8:
		3403	nobgrd:
		3404
		3405	mov [eax + WDATA.fl_redraw], byte 1 ; mark as redraw
		3406
		3407	ricino:
		3408
		3409	not_this_task:
		3410
		3411	pop ecx
		3412
		3413	cmp ecx, [TASK_COUNT]
		3414	jle newdw2
		3415
		3416	pop eax
		3417	popad
		3418
		3419	ret
		3420
		3421	calculatebackground: ; background
		3422
		3423	mov edi, [_WinMapAddress] ; set os to use all pixels
		3424	mov eax, 0x01010101
		3425	mov ecx, [_WinMapSize]
		3426	shr ecx, 2
		3427	rep stosd
		3428
		3429	mov byte[REDRAW_BACKGROUND], 0 ; do not draw background!
		3430	mov byte[BACKGROUND_CHANGED], 0
		3431
		3432	ret
		3433
		3434	uglobal
		3435	imax dd 0x0
		3436	endg
		3437
		3438
		3439
		3440	delay_ms: ; delay in 1/1000 sec
		3441
		3442
		3443	push eax
		3444	push ecx
		3445
		3446	mov ecx, esi
		3447	;
		3448	imul ecx, 33941
		3449	shr ecx, 9
		3450	;
		3451
		3452	in al, 0x61
		3453	and al, 0x10
		3454	mov ah, al
		3455	cld
		3456
		3457	cnt1:
		3458	in al, 0x61
		3459	and al, 0x10
		3460	cmp al, ah
		3461	jz cnt1
		3462
		3463	mov ah, al
		3464	loop cnt1
		3465
		3466	pop ecx
		3467	pop eax
		3468
		3469	ret
		3470
2411	Serge	3471	align 4
2288	clevermous	3472	set_app_param:
		3473	mov edi, [TASK_BASE]
2408	Serge	3474	mov eax, ebx
		3475	btr eax, 3 ; move MOUSE_FILTRATION
		3476	mov ebx, [current_slot] ; bit into event_filter
		3477	setc byte [ebx+APPDATA.event_filter]
		3478	xchg eax, [edi + TASKDATA.event_mask] ; set new event mask
		3479	mov [esp+32], eax ; return old mask value
2288	clevermous	3480	ret
		3481
		3482
		3483
		3484	delay_hs: ; delay in 1/100 secs
		3485	; ebx = delay time
		3486	push ecx
		3487	push edx
		3488
		3489	mov edx, [timer_ticks]
		3490
		3491	newtic:
		3492	mov ecx, [timer_ticks]
		3493	sub ecx, edx
		3494	cmp ecx, ebx
		3495	jae zerodelay
		3496
		3497	call change_task
		3498
		3499	jmp newtic
		3500
		3501	zerodelay:
		3502	pop edx
		3503	pop ecx
		3504
		3505	ret
		3506
		3507	align 16 ;very often call this subrutine
		3508	memmove: ; memory move in bytes
		3509
		3510	; eax = from
		3511	; ebx = to
		3512	; ecx = no of bytes
		3513	test ecx, ecx
		3514	jle .ret
		3515
		3516	push esi edi ecx
		3517
		3518	mov edi, ebx
		3519	mov esi, eax
		3520
		3521	test ecx, not 11b
		3522	jz @f
		3523
		3524	push ecx
		3525	shr ecx, 2
		3526	rep movsd
		3527	pop ecx
		3528	and ecx, 11b
		3529	jz .finish
		3530	@@:
		3531	rep movsb
		3532
		3533	.finish:
		3534	pop ecx edi esi
		3535	.ret:
		3536	ret
		3537
		3538
		3539	; Sysfunction 34, read_floppy_file, is obsolete. Use 58 or 70 function instead.
		3540	;align 4
		3541	;
		3542	;read_floppy_file:
		3543	;
		3544	;; as input
		3545	;;
		3546	;; eax pointer to file
		3547	;; ebx file lenght
		3548	;; ecx start 512 byte block number
		3549	;; edx number of blocks to read
		3550	;; esi pointer to return/work area (atleast 20 000 bytes)
		3551	;;
		3552	;;
		3553	;; on return
		3554	;;
		3555	;; eax = 0 command succesful
		3556	;; 1 no fd base and/or partition defined
		3557	;; 2 yet unsupported FS
		3558	;; 3 unknown FS
		3559	;; 4 partition not defined at hd
		3560	;; 5 file not found
		3561	;; ebx = size of file
		3562	;
		3563	; mov edi,[TASK_BASE]
		3564	; add edi,0x10
		3565	; add esi,[edi]
		3566	; add eax,[edi]
		3567	;
		3568	; pushad
		3569	; mov edi,esi
		3570	; add edi,1024
		3571	; mov esi,0x100000+19*512
		3572	; sub ecx,1
		3573	; shl ecx,9
		3574	; add esi,ecx
		3575	; shl edx,9
		3576	; mov ecx,edx
		3577	; cld
		3578	; rep movsb
		3579	; popad
		3580	;
		3581	; mov [esp+36],eax
		3582	; mov [esp+24],ebx
		3583	; ret
		3584
		3585
		3586
		3587	align 4
		3588	set_io_access_rights:
		3589	push edi eax
		3590	mov edi, tss._io_map_0
		3591	; mov ecx,eax
		3592	; and ecx,7 ; offset in byte
		3593	; shr eax,3 ; number of byte
		3594	; add edi,eax
		3595	; mov ebx,1
		3596	; shl ebx,cl
		3597	test ebp, ebp
		3598	; cmp ebp,0 ; enable access - ebp = 0
		3599	jnz .siar1
		3600	; not ebx
		3601	; and [edi],byte bl
		3602	btr [edi], eax
		3603	pop eax edi
		3604	ret
		3605	.siar1:
		3606	bts [edi], eax
		3607	; or [edi],byte bl ; disable access - ebp = 1
		3608	pop eax edi
		3609	ret
		3610	;reserve/free group of ports
		3611	; * eax = 46 - number function
		3612	; * ebx = 0 - reserve, 1 - free
		3613	; * ecx = number start arrea of ports
		3614	; * edx = number end arrea of ports (include last number of port)
		3615	;Return value:
		3616	; * eax = 0 - succesful
		3617	; * eax = 1 - error
		3618	; * The system has reserve this ports:
		3619	; 0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (include last number of port).
		3620	;destroys eax,ebx, ebp
		3621	r_f_port_area:
		3622
		3623	test ebx, ebx
		3624	jnz free_port_area
		3625	; je r_port_area
		3626	; jmp free_port_area
		3627
		3628	; r_port_area:
		3629
		3630	; pushad
		3631
		3632	cmp ecx, edx ; beginning > end ?
		3633	ja rpal1
		3634	cmp edx, 65536
		3635	jae rpal1
		3636	mov eax, [RESERVED_PORTS]
		3637	test eax, eax ; no reserved areas ?
		3638	je rpal2
		3639	cmp eax, 255 ; max reserved
		3640	jae rpal1
		3641	rpal3:
		3642	mov ebx, eax
		3643	shl ebx, 4
		3644	add ebx, RESERVED_PORTS
		3645	cmp ecx, [ebx+8]
		3646	ja rpal4
		3647	cmp edx, [ebx+4]
		3648	jae rpal1
		3649	; jb rpal4
		3650	; jmp rpal1
		3651	rpal4:
		3652	dec eax
		3653	jnz rpal3
		3654	jmp rpal2
		3655	rpal1:
		3656	; popad
		3657	; mov eax,1
		3658	xor eax, eax
		3659	inc eax
		3660	ret
		3661	rpal2:
		3662	; popad
		3663	; enable port access at port IO map
		3664	cli
		3665	pushad ; start enable io map
		3666
		3667	cmp edx, 65536;16384
		3668	jae no_unmask_io; jge
		3669	mov eax, ecx
		3670	; push ebp
		3671	xor ebp, ebp ; enable - eax = port
		3672	new_port_access:
		3673	; pushad
		3674	call set_io_access_rights
		3675	; popad
		3676	inc eax
		3677	cmp eax, edx
		3678	jbe new_port_access
		3679	; pop ebp
		3680	no_unmask_io:
		3681	popad ; end enable io map
		3682	sti
		3683
		3684	mov eax, [RESERVED_PORTS]
		3685	add eax, 1
		3686	mov [RESERVED_PORTS], eax
		3687	shl eax, 4
		3688	add eax, RESERVED_PORTS
		3689	mov ebx, [TASK_BASE]
		3690	mov ebx, [ebx+TASKDATA.pid]
		3691	mov [eax], ebx
		3692	mov [eax+4], ecx
		3693	mov [eax+8], edx
		3694
		3695	xor eax, eax
		3696	ret
		3697
		3698	free_port_area:
		3699
		3700	; pushad
		3701	mov eax, [RESERVED_PORTS]; no reserved areas ?
		3702	test eax, eax
		3703	jz frpal2
		3704	mov ebx, [TASK_BASE]
		3705	mov ebx, [ebx+TASKDATA.pid]
		3706	frpal3:
		3707	mov edi, eax
		3708	shl edi, 4
		3709	add edi, RESERVED_PORTS
		3710	cmp ebx, [edi]
		3711	jne frpal4
		3712	cmp ecx, [edi+4]
		3713	jne frpal4
		3714	cmp edx, [edi+8]
		3715	jne frpal4
		3716	jmp frpal1
		3717	frpal4:
		3718	dec eax
		3719	jnz frpal3
		3720	frpal2:
		3721	; popad
		3722	inc eax
		3723	ret
		3724	frpal1:
		3725	push ecx
		3726	mov ecx, 256
		3727	sub ecx, eax
		3728	shl ecx, 4
		3729	mov esi, edi
		3730	add esi, 16
		3731	cld
		3732	rep movsb
		3733
		3734	dec dword [RESERVED_PORTS]
		3735	;popad
		3736	;disable port access at port IO map
		3737
		3738	; pushad ; start disable io map
		3739	pop eax ;start port
		3740	cmp edx, 65536;16384
		3741	jge no_mask_io
		3742
		3743	; mov eax,ecx
		3744	xor ebp, ebp
		3745	inc ebp
		3746	new_port_access_disable:
		3747	; pushad
		3748	; mov ebp,1 ; disable - eax = port
		3749	call set_io_access_rights
		3750	; popad
		3751	inc eax
		3752	cmp eax, edx
		3753	jbe new_port_access_disable
		3754	no_mask_io:
		3755	; popad ; end disable io map
		3756	xor eax, eax
		3757	ret
2430	mario79	3758	;-----------------------------------------------------------------------------
2288	clevermous	3759	align 4
		3760	drawbackground:
2430	mario79	3761	dbrv20:
2288	clevermous	3762	cmp [BgrDrawMode], dword 1
		3763	jne bgrstr
		3764	call vesa20_drawbackground_tiled
2453	mario79	3765	; call [draw_pointer]
		3766	call __sys_draw_pointer
2288	clevermous	3767	ret
2430	mario79	3768	;--------------------------------------
		3769	align 4
		3770	bgrstr:
2288	clevermous	3771	call vesa20_drawbackground_stretch
2453	mario79	3772	; call [draw_pointer]
		3773	call __sys_draw_pointer
2288	clevermous	3774	ret
2430	mario79	3775	;-----------------------------------------------------------------------------
2288	clevermous	3776	align 4
		3777	syscall_putimage: ; PutImage
		3778	sys_putimage:
		3779	test ecx, 0x80008000
		3780	jnz .exit
		3781	test ecx, 0x0000FFFF
		3782	jz .exit
		3783	test ecx, 0xFFFF0000
		3784	jnz @f
2430	mario79	3785	;--------------------------------------
		3786	align 4
		3787	.exit:
2288	clevermous	3788	ret
2430	mario79	3789	;--------------------------------------
		3790	align 4
		3791	@@:
2288	clevermous	3792	mov edi, [current_slot]
		3793	add dx, word[edi+APPDATA.wnd_clientbox.top]
		3794	rol edx, 16
		3795	add dx, word[edi+APPDATA.wnd_clientbox.left]
		3796	rol edx, 16
2430	mario79	3797	;--------------------------------------
		3798	align 4
		3799	.forced:
2288	clevermous	3800	push ebp esi 0
		3801	mov ebp, putimage_get24bpp
		3802	mov esi, putimage_init24bpp
2430	mario79	3803	;--------------------------------------
		3804	align 4
2288	clevermous	3805	sys_putimage_bpp:
2430	mario79	3806	call vesa20_putimage
2288	clevermous	3807	pop ebp esi ebp
2430	mario79	3808	ret
		3809	; jmp [draw_pointer]
		3810	;-----------------------------------------------------------------------------
2288	clevermous	3811	align 4
		3812	sys_putimage_palette:
		3813	; ebx = pointer to image
		3814	; ecx = [xsize]*65536 + [ysize]
		3815	; edx = [xstart]*65536 + [ystart]
		3816	; esi = number of bits per pixel, must be 8, 24 or 32
		3817	; edi = pointer to palette
		3818	; ebp = row delta
		3819	mov eax, [CURRENT_TASK]
		3820	shl eax, 8
		3821	add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
		3822	rol edx, 16
		3823	add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
		3824	rol edx, 16
2430	mario79	3825	;--------------------------------------
		3826	align 4
2288	clevermous	3827	.forced:
		3828	cmp esi, 1
		3829	jnz @f
		3830	push edi
		3831	mov eax, [edi+4]
		3832	sub eax, [edi]
		3833	push eax
		3834	push dword [edi]
		3835	push 0ffffff80h
		3836	mov edi, esp
		3837	call put_mono_image
		3838	add esp, 12
		3839	pop edi
		3840	ret
2430	mario79	3841	;--------------------------------------
		3842	align 4
2288	clevermous	3843	@@:
		3844	cmp esi, 2
		3845	jnz @f
		3846	push edi
		3847	push 0ffffff80h
		3848	mov edi, esp
		3849	call put_2bit_image
		3850	pop eax
		3851	pop edi
		3852	ret
2430	mario79	3853	;--------------------------------------
		3854	align 4
2288	clevermous	3855	@@:
		3856	cmp esi, 4
		3857	jnz @f
		3858	push edi
		3859	push 0ffffff80h
		3860	mov edi, esp
		3861	call put_4bit_image
		3862	pop eax
		3863	pop edi
		3864	ret
2430	mario79	3865	;--------------------------------------
		3866	align 4
2288	clevermous	3867	@@:
		3868	push ebp esi ebp
		3869	cmp esi, 8
		3870	jnz @f
		3871	mov ebp, putimage_get8bpp
		3872	mov esi, putimage_init8bpp
		3873	jmp sys_putimage_bpp
2430	mario79	3874	;--------------------------------------
		3875	align 4
2288	clevermous	3876	@@:
		3877	cmp esi, 15
		3878	jnz @f
		3879	mov ebp, putimage_get15bpp
		3880	mov esi, putimage_init15bpp
		3881	jmp sys_putimage_bpp
2430	mario79	3882	;--------------------------------------
		3883	align 4
2288	clevermous	3884	@@:
		3885	cmp esi, 16
		3886	jnz @f
		3887	mov ebp, putimage_get16bpp
		3888	mov esi, putimage_init16bpp
		3889	jmp sys_putimage_bpp
2430	mario79	3890	;--------------------------------------
		3891	align 4
2288	clevermous	3892	@@:
		3893	cmp esi, 24
		3894	jnz @f
		3895	mov ebp, putimage_get24bpp
		3896	mov esi, putimage_init24bpp
		3897	jmp sys_putimage_bpp
2430	mario79	3898	;--------------------------------------
		3899	align 4
2288	clevermous	3900	@@:
		3901	cmp esi, 32
		3902	jnz @f
		3903	mov ebp, putimage_get32bpp
		3904	mov esi, putimage_init32bpp
		3905	jmp sys_putimage_bpp
2430	mario79	3906	;--------------------------------------
		3907	align 4
2288	clevermous	3908	@@:
		3909	pop ebp esi ebp
		3910	ret
2430	mario79	3911	;-----------------------------------------------------------------------------
		3912	align 4
2288	clevermous	3913	put_mono_image:
		3914	push ebp esi ebp
		3915	mov ebp, putimage_get1bpp
		3916	mov esi, putimage_init1bpp
		3917	jmp sys_putimage_bpp
2430	mario79	3918	;-----------------------------------------------------------------------------
		3919	align 4
2288	clevermous	3920	put_2bit_image:
		3921	push ebp esi ebp
		3922	mov ebp, putimage_get2bpp
		3923	mov esi, putimage_init2bpp
		3924	jmp sys_putimage_bpp
2430	mario79	3925	;-----------------------------------------------------------------------------
		3926	align 4
2288	clevermous	3927	put_4bit_image:
		3928	push ebp esi ebp
		3929	mov ebp, putimage_get4bpp
		3930	mov esi, putimage_init4bpp
		3931	jmp sys_putimage_bpp
2430	mario79	3932	;-----------------------------------------------------------------------------
		3933	align 4
2288	clevermous	3934	putimage_init24bpp:
		3935	lea eax, [eax*3]
		3936	putimage_init8bpp:
		3937	ret
2430	mario79	3938	;-----------------------------------------------------------------------------
2288	clevermous	3939	align 16
		3940	putimage_get24bpp:
		3941	movzx eax, byte [esi+2]
		3942	shl eax, 16
		3943	mov ax, [esi]
		3944	add esi, 3
		3945	ret 4
2430	mario79	3946	;-----------------------------------------------------------------------------
2288	clevermous	3947	align 16
		3948	putimage_get8bpp:
		3949	movzx eax, byte [esi]
		3950	push edx
		3951	mov edx, [esp+8]
		3952	mov eax, [edx+eax*4]
		3953	pop edx
		3954	inc esi
		3955	ret 4
2430	mario79	3956	;-----------------------------------------------------------------------------
		3957	align 4
2288	clevermous	3958	putimage_init1bpp:
		3959	add eax, ecx
		3960	push ecx
		3961	add eax, 7
		3962	add ecx, 7
		3963	shr eax, 3
		3964	shr ecx, 3
		3965	sub eax, ecx
		3966	pop ecx
		3967	ret
2430	mario79	3968	;-----------------------------------------------------------------------------
2288	clevermous	3969	align 16
		3970	putimage_get1bpp:
		3971	push edx
		3972	mov edx, [esp+8]
		3973	mov al, [edx]
		3974	add al, al
		3975	jnz @f
		3976	lodsb
		3977	adc al, al
		3978	@@:
		3979	mov [edx], al
		3980	sbb eax, eax
		3981	and eax, [edx+8]
		3982	add eax, [edx+4]
		3983	pop edx
		3984	ret 4
2430	mario79	3985	;-----------------------------------------------------------------------------
		3986	align 4
2288	clevermous	3987	putimage_init2bpp:
		3988	add eax, ecx
		3989	push ecx
		3990	add ecx, 3
		3991	add eax, 3
		3992	shr ecx, 2
		3993	shr eax, 2
		3994	sub eax, ecx
		3995	pop ecx
		3996	ret
2430	mario79	3997	;-----------------------------------------------------------------------------
2288	clevermous	3998	align 16
		3999	putimage_get2bpp:
		4000	push edx
		4001	mov edx, [esp+8]
		4002	mov al, [edx]
		4003	mov ah, al
		4004	shr al, 6
		4005	shl ah, 2
		4006	jnz .nonewbyte
		4007	lodsb
		4008	mov ah, al
		4009	shr al, 6
		4010	shl ah, 2
		4011	add ah, 1
		4012	.nonewbyte:
		4013	mov [edx], ah
		4014	mov edx, [edx+4]
		4015	movzx eax, al
		4016	mov eax, [edx+eax*4]
		4017	pop edx
		4018	ret 4
2430	mario79	4019	;-----------------------------------------------------------------------------
		4020	align 4
2288	clevermous	4021	putimage_init4bpp:
		4022	add eax, ecx
		4023	push ecx
		4024	add ecx, 1
		4025	add eax, 1
		4026	shr ecx, 1
		4027	shr eax, 1
		4028	sub eax, ecx
		4029	pop ecx
		4030	ret
2430	mario79	4031	;-----------------------------------------------------------------------------
2288	clevermous	4032	align 16
		4033	putimage_get4bpp:
		4034	push edx
		4035	mov edx, [esp+8]
		4036	add byte [edx], 80h
		4037	jc @f
		4038	movzx eax, byte [edx+1]
		4039	mov edx, [edx+4]
		4040	and eax, 0x0F
		4041	mov eax, [edx+eax*4]
		4042	pop edx
		4043	ret 4
		4044	@@:
		4045	movzx eax, byte [esi]
		4046	add esi, 1
		4047	mov [edx+1], al
		4048	shr eax, 4
		4049	mov edx, [edx+4]
		4050	mov eax, [edx+eax*4]
		4051	pop edx
		4052	ret 4
2430	mario79	4053	;-----------------------------------------------------------------------------
		4054	align 4
2288	clevermous	4055	putimage_init32bpp:
		4056	shl eax, 2
		4057	ret
2430	mario79	4058	;-----------------------------------------------------------------------------
2288	clevermous	4059	align 16
		4060	putimage_get32bpp:
		4061	lodsd
		4062	ret 4
2430	mario79	4063	;-----------------------------------------------------------------------------
		4064	align 4
2288	clevermous	4065	putimage_init15bpp:
		4066	putimage_init16bpp:
		4067	add eax, eax
		4068	ret
2430	mario79	4069	;-----------------------------------------------------------------------------
2288	clevermous	4070	align 16
		4071	putimage_get15bpp:
		4072	; 0RRRRRGGGGGBBBBB -> 00000000RRRRR000GGGGG000BBBBB000
		4073	push ecx edx
		4074	movzx eax, word [esi]
		4075	add esi, 2
		4076	mov ecx, eax
		4077	mov edx, eax
		4078	and eax, 0x1F
		4079	and ecx, 0x1F shl 5
		4080	and edx, 0x1F shl 10
		4081	shl eax, 3
		4082	shl ecx, 6
		4083	shl edx, 9
		4084	or eax, ecx
		4085	or eax, edx
		4086	pop edx ecx
		4087	ret 4
2430	mario79	4088	;-----------------------------------------------------------------------------
2288	clevermous	4089	align 16
		4090	putimage_get16bpp:
		4091	; RRRRRGGGGGGBBBBB -> 00000000RRRRR000GGGGGG00BBBBB000
		4092	push ecx edx
		4093	movzx eax, word [esi]
		4094	add esi, 2
		4095	mov ecx, eax
		4096	mov edx, eax
		4097	and eax, 0x1F
		4098	and ecx, 0x3F shl 5
		4099	and edx, 0x1F shl 11
		4100	shl eax, 3
		4101	shl ecx, 5
		4102	shl edx, 8
		4103	or eax, ecx
		4104	or eax, edx
		4105	pop edx ecx
		4106	ret 4
2430	mario79	4107	;-----------------------------------------------------------------------------
		4108	;align 4
2288	clevermous	4109	; eax x beginning
		4110	; ebx y beginning
		4111	; ecx x end
		4112	; edx y end
		4113	; edi color
2430	mario79	4114	;__sys_drawbar:
		4115	; mov esi, [current_slot]
		4116	; add eax, [esi+APPDATA.wnd_clientbox.left]
		4117	; add ecx, [esi+APPDATA.wnd_clientbox.left]
		4118	; add ebx, [esi+APPDATA.wnd_clientbox.top]
		4119	; add edx, [esi+APPDATA.wnd_clientbox.top]
		4120	;--------------------------------------
		4121	;align 4
		4122	;.forced:
		4123	; call vesa20_drawbar
2407	mario79	4124	; call [draw_pointer]
		4125	; ret
2430	mario79	4126	;-----------------------------------------------------------------------------
		4127	align 4
2288	clevermous	4128	kb_read:
		4129
		4130	push ecx edx
		4131
		4132	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4133	kr_loop:
		4134	in al, 0x64
		4135	test al, 1
		4136	jnz kr_ready
		4137	loop kr_loop
		4138	mov ah, 1
		4139	jmp kr_exit
		4140	kr_ready:
		4141	push ecx
		4142	mov ecx, 32
		4143	kr_delay:
		4144	loop kr_delay
		4145	pop ecx
		4146	in al, 0x60
		4147	xor ah, ah
		4148	kr_exit:
		4149
		4150	pop edx ecx
		4151
		4152	ret
2430	mario79	4153	;-----------------------------------------------------------------------------
		4154	align 4
2288	clevermous	4155	kb_write:
		4156
		4157	push ecx edx
		4158
		4159	mov dl, al
		4160	; mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
		4161	; kw_loop1:
		4162	; in al,0x64
		4163	; test al,0x20
		4164	; jz kw_ok1
		4165	; loop kw_loop1
		4166	; mov ah,1
		4167	; jmp kw_exit
		4168	; kw_ok1:
		4169	in al, 0x60
		4170	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4171	kw_loop:
		4172	in al, 0x64
		4173	test al, 2
		4174	jz kw_ok
		4175	loop kw_loop
		4176	mov ah, 1
		4177	jmp kw_exit
		4178	kw_ok:
		4179	mov al, dl
		4180	out 0x60, al
		4181	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4182	kw_loop3:
		4183	in al, 0x64
		4184	test al, 2
		4185	jz kw_ok3
		4186	loop kw_loop3
		4187	mov ah, 1
		4188	jmp kw_exit
		4189	kw_ok3:
		4190	mov ah, 8
		4191	kw_loop4:
		4192	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4193	kw_loop5:
		4194	in al, 0x64
		4195	test al, 1
		4196	jnz kw_ok4
		4197	loop kw_loop5
		4198	dec ah
		4199	jnz kw_loop4
		4200	kw_ok4:
		4201	xor ah, ah
		4202	kw_exit:
		4203
		4204	pop edx ecx
		4205
		4206	ret
2430	mario79	4207	;-----------------------------------------------------------------------------
		4208	align 4
2288	clevermous	4209	kb_cmd:
		4210
		4211	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4212	c_wait:
		4213	in al, 0x64
		4214	test al, 2
		4215	jz c_send
		4216	loop c_wait
		4217	jmp c_error
		4218	c_send:
		4219	mov al, bl
		4220	out 0x64, al
		4221	mov ecx, 0x1ffff; last 0xffff, new value in view of fast CPU's
		4222	c_accept:
		4223	in al, 0x64
		4224	test al, 2
		4225	jz c_ok
		4226	loop c_accept
		4227	c_error:
		4228	mov ah, 1
		4229	jmp c_exit
		4230	c_ok:
		4231	xor ah, ah
		4232	c_exit:
		4233	ret
		4234
		4235
		4236	setmouse: ; set mousepicture -pointer
		4237	; ps2 mouse enable
		4238
2430	mario79	4239	; mov [MOUSE_PICTURE], dword mousepointer
2288	clevermous	4240
		4241	cli
		4242
		4243	ret
		4244
		4245	if used _rdtsc
		4246	_rdtsc:
		4247	bt [cpu_caps], CAPS_TSC
		4248	jnc ret_rdtsc
		4249	rdtsc
		4250	ret
		4251	ret_rdtsc:
		4252	mov edx, 0xffffffff
		4253	mov eax, 0xffffffff
		4254	ret
		4255	end if
		4256
		4257	sys_msg_board_str:
		4258
		4259	pushad
		4260	@@:
		4261	cmp [esi], byte 0
		4262	je @f
		4263	mov eax, 1
		4264	movzx ebx, byte [esi]
		4265	call sys_msg_board
		4266	inc esi
		4267	jmp @b
		4268	@@:
		4269	popad
		4270	ret
		4271
		4272	sys_msg_board_byte:
		4273	; in: al = byte to display
		4274	; out: nothing
		4275	; destroys: nothing
		4276	pushad
		4277	mov ecx, 2
		4278	shl eax, 24
		4279	jmp @f
		4280
		4281	sys_msg_board_word:
		4282	; in: ax = word to display
		4283	; out: nothing
		4284	; destroys: nothing
		4285	pushad
		4286	mov ecx, 4
		4287	shl eax, 16
		4288	jmp @f
		4289
		4290	sys_msg_board_dword:
		4291	; in: eax = dword to display
		4292	; out: nothing
		4293	; destroys: nothing
		4294	pushad
		4295	mov ecx, 8
		4296	@@:
		4297	push ecx
		4298	rol eax, 4
		4299	push eax
		4300	and al, 0xF
		4301	cmp al, 10
		4302	sbb al, 69h
		4303	das
		4304	mov bl, al
		4305	xor eax, eax
		4306	inc eax
		4307	call sys_msg_board
		4308	pop eax
		4309	pop ecx
		4310	loop @b
		4311	popad
		4312	ret
		4313
		4314	uglobal
		4315	msg_board_data:
		4316	times 4096 db 0
		4317	msg_board_count dd 0x0
		4318	endg
		4319
		4320	sys_msg_board:
		4321
		4322	; eax=1 : write : bl byte to write
		4323	; eax=2 : read : ebx=0 -> no data, ebx=1 -> data in al
		4324
		4325	mov ecx, [msg_board_count]
		4326	cmp eax, 1
		4327	jne .smbl1
		4328
		4329	if defined debug_com_base
		4330
		4331	push dx ax
		4332
		4333	@@: ; Wait for empty transmit register (yes, this slows down system..)
		4334	mov dx, debug_com_base+5
		4335	in al, dx
		4336	test al, 1 shl 5
		4337	jz @r
		4338
		4339	mov dx, debug_com_base ; Output the byte
		4340	mov al, bl
		4341	out dx, al
		4342
		4343	pop ax dx
		4344
		4345	end if
		4346
		4347	mov [msg_board_data+ecx], bl
		4348	inc ecx
		4349	and ecx, 4095
		4350	mov [msg_board_count], ecx
		4351	mov [check_idle_semaphore], 5
		4352	ret
		4353	.smbl1:
		4354	cmp eax, 2
		4355	jne .smbl2
		4356	test ecx, ecx
		4357	jz .smbl21
		4358	mov eax, msg_board_data+1
		4359	mov ebx, msg_board_data
		4360	movzx edx, byte [ebx]
		4361	call memmove
		4362	dec [msg_board_count]
		4363	mov [esp + 36], edx ;eax
		4364	mov [esp + 24], dword 1
		4365	ret
		4366	.smbl21:
		4367	mov [esp+36], ecx
		4368	mov [esp+24], ecx
		4369	.smbl2:
		4370	ret
		4371
		4372	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		4373	;; 66 sys function. ;;
		4374	;; in eax=66,ebx in [0..5],ecx,edx ;;
		4375	;; out eax ;;
		4376	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		4377	iglobal
		4378	align 4
		4379	f66call:
		4380	dd sys_process_def.1 ; 1 = set keyboard mode
		4381	dd sys_process_def.2 ; 2 = get keyboard mode
		4382	dd sys_process_def.3 ; 3 = get keyboard ctrl, alt, shift
		4383	dd sys_process_def.4
		4384	dd sys_process_def.5
		4385	endg
		4386
		4387
		4388
		4389
		4390	sys_process_def:
		4391	dec ebx
		4392	cmp ebx, 5
		4393	jae .not_support ;if >=6 then or eax,-1
		4394
		4395	mov edi, [CURRENT_TASK]
		4396	jmp dword [f66call+ebx*4]
		4397
		4398	.not_support:
		4399	or eax, -1
		4400	ret
		4401
		4402	.1:
		4403	shl edi, 8
		4404	mov [edi+SLOT_BASE + APPDATA.keyboard_mode], cl
		4405
		4406	ret
		4407
		4408	.2: ; 2 = get keyboard mode
		4409	shl edi, 8
		4410	movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
		4411	mov [esp+32], eax
		4412	ret
		4413	; xor eax,eax
		4414	; movzx eax,byte [shift]
		4415	; movzx ebx,byte [ctrl]
		4416	; shl ebx,2
		4417	; add eax,ebx
		4418	; movzx ebx,byte [alt]
		4419	; shl ebx,3
		4420	; add eax,ebx
		4421	.3: ;3 = get keyboard ctrl, alt, shift
		4422	;// mike.dld [
		4423	mov eax, [kb_state]
		4424	;// mike.dld ]
		4425	mov [esp+32], eax
		4426	ret
		4427
		4428	.4:
		4429	mov eax, hotkey_list
		4430	@@:
		4431	cmp dword [eax+8], 0
		4432	jz .found_free
		4433	add eax, 16
		4434	cmp eax, hotkey_list+16*256
		4435	jb @b
		4436	mov dword [esp+32], 1
		4437	ret
		4438	.found_free:
		4439	mov [eax+8], edi
		4440	mov [eax+4], edx
		4441	movzx ecx, cl
		4442	lea ecx, [hotkey_scancodes+ecx*4]
		4443	mov edx, [ecx]
		4444	mov [eax], edx
		4445	mov [ecx], eax
		4446	mov [eax+12], ecx
		4447	jecxz @f
		4448	mov [edx+12], eax
		4449	@@:
		4450	and dword [esp+32], 0
		4451	ret
		4452
		4453	.5:
		4454	movzx ebx, cl
		4455	lea ebx, [hotkey_scancodes+ebx*4]
		4456	mov eax, [ebx]
		4457	.scan:
		4458	test eax, eax
		4459	jz .notfound
		4460	cmp [eax+8], edi
		4461	jnz .next
		4462	cmp [eax+4], edx
		4463	jz .found
		4464	.next:
		4465	mov eax, [eax]
		4466	jmp .scan
		4467	.notfound:
		4468	mov dword [esp+32], 1
		4469	ret
		4470	.found:
		4471	mov ecx, [eax]
		4472	jecxz @f
		4473	mov edx, [eax+12]
		4474	mov [ecx+12], edx
		4475	@@:
		4476	mov ecx, [eax+12]
		4477	mov edx, [eax]
		4478	mov [ecx], edx
		4479	xor edx, edx
		4480	mov [eax+4], edx
		4481	mov [eax+8], edx
		4482	mov [eax+12], edx
		4483	mov [eax], edx
		4484	mov [esp+32], edx
		4485	ret
		4486
		4487
		4488	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		4489	;; 61 sys function. ;;
		4490	;; in eax=61,ebx in [1..3] ;;
		4491	;; out eax ;;
		4492	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		4493	iglobal
		4494	align 4
		4495	f61call:
		4496	dd sys_gs.1 ; resolution
		4497	dd sys_gs.2 ; bits per pixel
		4498	dd sys_gs.3 ; bytes per scanline
		4499	endg
		4500
		4501
		4502	align 4
		4503
		4504	sys_gs: ; direct screen access
		4505	dec ebx
		4506	cmp ebx, 2
		4507	ja .not_support
		4508	jmp dword [f61call+ebx*4]
		4509	.not_support:
		4510	or [esp+32], dword -1
		4511	ret
		4512
		4513
		4514	.1: ; resolution
		4515	mov eax, [Screen_Max_X]
		4516	shl eax, 16
		4517	mov ax, [Screen_Max_Y]
		4518	add eax, 0x00010001
		4519	mov [esp+32], eax
		4520	ret
		4521	.2: ; bits per pixel
		4522	movzx eax, byte [ScreenBPP]
		4523	mov [esp+32], eax
		4524	ret
		4525	.3: ; bytes per scanline
		4526	mov eax, [BytesPerScanLine]
		4527	mov [esp+32], eax
		4528	ret
		4529
		4530	align 4 ; system functions
		4531
		4532	syscall_setpixel: ; SetPixel
		4533
		4534	mov eax, ebx
		4535	mov ebx, ecx
		4536	mov ecx, edx
		4537	mov edx, [TASK_BASE]
		4538	add eax, [edx-twdw+WDATA.box.left]
		4539	add ebx, [edx-twdw+WDATA.box.top]
		4540	mov edi, [current_slot]
		4541	add eax, [edi+APPDATA.wnd_clientbox.left]
		4542	add ebx, [edi+APPDATA.wnd_clientbox.top]
		4543	xor edi, edi ; no force
2430	mario79	4544	and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
2453	mario79	4545	; jmp [putpixel]
		4546	jmp __sys_putpixel
2288	clevermous	4547
		4548	align 4
		4549
		4550	syscall_writetext: ; WriteText
		4551
		4552	mov eax, [TASK_BASE]
		4553	mov ebp, [eax-twdw+WDATA.box.left]
		4554	push esi
		4555	mov esi, [current_slot]
		4556	add ebp, [esi+APPDATA.wnd_clientbox.left]
		4557	shl ebp, 16
		4558	add ebp, [eax-twdw+WDATA.box.top]
		4559	add bp, word[esi+APPDATA.wnd_clientbox.top]
		4560	pop esi
		4561	add ebx, ebp
		4562	mov eax, edi
		4563	xor edi, edi
		4564	jmp dtext
		4565
		4566	align 4
		4567
		4568	syscall_openramdiskfile: ; OpenRamdiskFile
		4569
		4570	mov eax, ebx
		4571	mov ebx, ecx
		4572	mov ecx, edx
		4573	mov edx, esi
		4574	mov esi, 12
		4575	call fileread
		4576	mov [esp+32], eax
		4577	ret
		4578
		4579	align 4
		4580
		4581	syscall_drawrect: ; DrawRect
		4582
		4583	mov edi, edx ; color + gradient
		4584	and edi, 0x80FFFFFF
		4585	test bx, bx ; x.size
		4586	je .drectr
		4587	test cx, cx ; y.size
		4588	je .drectr
		4589
		4590	mov eax, ebx ; bad idea
		4591	mov ebx, ecx
		4592
		4593	movzx ecx, ax ; ecx - x.size
		4594	shr eax, 16 ; eax - x.coord
		4595	movzx edx, bx ; edx - y.size
		4596	shr ebx, 16 ; ebx - y.coord
		4597	mov esi, [current_slot]
		4598
		4599	add eax, [esi + APPDATA.wnd_clientbox.left]
		4600	add ebx, [esi + APPDATA.wnd_clientbox.top]
		4601	add ecx, eax
		4602	add edx, ebx
2453	mario79	4603	; jmp [drawbar]
		4604	jmp vesa20_drawbar
2288	clevermous	4605	.drectr:
		4606	ret
		4607
		4608	align 4
		4609	syscall_getscreensize: ; GetScreenSize
		4610	mov ax, [Screen_Max_X]
		4611	shl eax, 16
		4612	mov ax, [Screen_Max_Y]
		4613	mov [esp + 32], eax
		4614	ret
		4615
		4616	align 4
		4617
		4618	syscall_cdaudio: ; CD
		4619
		4620	cmp ebx, 4
		4621	jb .audio
		4622	jz .eject
		4623	cmp ebx, 5
		4624	jnz .ret
		4625	.load:
		4626	call .reserve
		4627	call LoadMedium
		4628	;call .free
		4629	jmp .free
		4630	; ret
		4631	.eject:
		4632	call .reserve
		4633	call clear_CD_cache
		4634	call allow_medium_removal
		4635	call EjectMedium
		4636	; call .free
		4637	jmp .free
		4638	; ret
		4639	.audio:
		4640	call sys_cd_audio
		4641	mov [esp+36-4], eax
		4642	.ret:
		4643	ret
		4644
		4645	.reserve:
		4646	call reserve_cd
		4647	mov eax, ecx
		4648	shr eax, 1
		4649	and eax, 1
		4650	inc eax
		4651	mov [ChannelNumber], ax
		4652	mov eax, ecx
		4653	and eax, 1
		4654	mov [DiskNumber], al
		4655	call reserve_cd_channel
		4656	and ebx, 3
		4657	inc ebx
		4658	mov [cdpos], ebx
		4659	add ebx, ebx
		4660	mov cl, 8
		4661	sub cl, bl
		4662	mov al, [DRIVE_DATA+1]
		4663	shr al, cl
		4664	test al, 2
		4665	jz .free;.err
		4666	ret
		4667	.free:
		4668	call free_cd_channel
		4669	and [cd_status], 0
		4670	ret
		4671	.err:
		4672	call .free
		4673	; pop eax
		4674	ret
		4675
		4676	align 4
		4677
		4678	syscall_getpixel: ; GetPixel
		4679	mov ecx, [Screen_Max_X]
		4680	inc ecx
		4681	xor edx, edx
		4682	mov eax, ebx
		4683	div ecx
		4684	mov ebx, edx
		4685	xchg eax, ebx
2430	mario79	4686	and ecx, 0xFBFFFFFF ;negate 0x04000000 use mouseunder area
2288	clevermous	4687	call dword [GETPIXEL]; eax - x, ebx - y
		4688	mov [esp + 32], ecx
		4689	ret
		4690
		4691	align 4
		4692
		4693	syscall_getarea:
		4694	;eax = 36
		4695	;ebx = pointer to bufer for img BBGGRRBBGGRR...
		4696	;ecx = [size x]*65536 + [size y]
		4697	;edx = [start x]*65536 + [start y]
		4698	pushad
		4699	mov edi, ebx
		4700	mov eax, edx
		4701	shr eax, 16
		4702	mov ebx, edx
		4703	and ebx, 0xffff
		4704	dec eax
		4705	dec ebx
		4706	; eax - x, ebx - y
		4707	mov edx, ecx
		4708
		4709	shr ecx, 16
		4710	and edx, 0xffff
		4711	mov esi, ecx
		4712	; ecx - size x, edx - size y
		4713
		4714	mov ebp, edx
		4715	dec ebp
		4716	lea ebp, [ebp*3]
		4717
		4718	imul ebp, esi
		4719
		4720	mov esi, ecx
		4721	dec esi
		4722	lea esi, [esi*3]
		4723
		4724	add ebp, esi
		4725	add ebp, edi
		4726
		4727	add ebx, edx
		4728
		4729	.start_y:
		4730	push ecx edx
		4731	.start_x:
		4732	push eax ebx ecx
		4733	add eax, ecx
		4734
2430	mario79	4735	and ecx, 0xFBFFFFFF ;negate 0x04000000 use mouseunder area
2288	clevermous	4736	call dword [GETPIXEL]; eax - x, ebx - y
		4737
		4738	mov [ebp], cx
		4739	shr ecx, 16
		4740	mov [ebp+2], cl
		4741
		4742	pop ecx ebx eax
		4743	sub ebp, 3
		4744	dec ecx
		4745	jnz .start_x
		4746	pop edx ecx
		4747	dec ebx
		4748	dec edx
		4749	jnz .start_y
		4750	popad
		4751	ret
		4752
		4753	align 4
		4754
		4755	syscall_drawline: ; DrawLine
		4756
		4757	mov edi, [TASK_BASE]
		4758	movzx eax, word[edi-twdw+WDATA.box.left]
		4759	mov ebp, eax
		4760	mov esi, [current_slot]
		4761	add ebp, [esi+APPDATA.wnd_clientbox.left]
		4762	add ax, word[esi+APPDATA.wnd_clientbox.left]
		4763	add ebp, ebx
		4764	shl eax, 16
		4765	movzx ebx, word[edi-twdw+WDATA.box.top]
		4766	add eax, ebp
		4767	mov ebp, ebx
		4768	add ebp, [esi+APPDATA.wnd_clientbox.top]
		4769	add bx, word[esi+APPDATA.wnd_clientbox.top]
		4770	add ebp, ecx
		4771	shl ebx, 16
		4772	xor edi, edi
		4773	add ebx, ebp
		4774	mov ecx, edx
2453	mario79	4775	; jmp [draw_line]
		4776	jmp __sys_draw_line
2288	clevermous	4777
		4778
		4779	align 4
		4780	syscall_reserveportarea: ; ReservePortArea and FreePortArea
		4781
		4782	call r_f_port_area
		4783	mov [esp+32], eax
		4784	ret
		4785
		4786	align 4
		4787	syscall_threads: ; CreateThreads
		4788	; eax=1 create thread
		4789	;
		4790	; ebx=thread start
		4791	; ecx=thread stack value
		4792	;
		4793	; on return : eax = pid
		4794
		4795	call new_sys_threads
		4796
		4797	mov [esp+32], eax
		4798	ret
		4799
		4800	align 4
		4801
		4802	stack_driver_stat:
		4803
		4804	call app_stack_handler ; Stack status
		4805
		4806	; mov [check_idle_semaphore],5 ; enable these for zero delay
		4807	; call change_task ; between sent packet
		4808
		4809	mov [esp+32], eax
		4810	ret
		4811
		4812	align 4
		4813
		4814	socket: ; Socket interface
		4815	call app_socket_handler
		4816
		4817	; mov [check_idle_semaphore],5 ; enable these for zero delay
		4818	; call change_task ; between sent packet
		4819
		4820	mov [esp+36], eax
		4821	mov [esp+24], ebx
		4822	ret
		4823
		4824	align 4
		4825
		4826	read_from_hd: ; Read from hd - fn not in use
		4827
		4828	mov edi, [TASK_BASE]
		4829	add edi, TASKDATA.mem_start
		4830	add eax, [edi]
		4831	add ecx, [edi]
		4832	add edx, [edi]
		4833	call file_read
		4834
		4835	mov [esp+36], eax
		4836	mov [esp+24], ebx
		4837
		4838	ret
		4839
		4840	paleholder:
		4841	ret
2438	mario79	4842	;------------------------------------------------------------------------------
2288	clevermous	4843	align 4
2438	mario79	4844	calculate_fast_getting_offset_for_WinMapAddress:
		4845	; calculate data area for fast getting offset to _WinMapAddress
2446	mario79	4846	xor eax, eax
2438	mario79	4847	mov ecx, [_display.height]
		4848	inc ecx
		4849	mov edi, d_width_calc_area
		4850	cld
		4851	@@:
		4852	stosd
		4853	add eax, [_display.width]
		4854	dec ecx
		4855	jnz @r
		4856	ret
		4857	;------------------------------------------------------------------------------
		4858	align 4
2480	mario79	4859	calculate_fast_getting_offset_for_LFB:
		4860	; calculate data area for fast getting offset to LFB
		4861	xor eax, eax
		4862	mov ecx, [_display.height]
		4863	inc ecx
		4864	mov edi, BPSLine_calc_area
		4865	cld
		4866	@@:
		4867	stosd
		4868	add eax, [BytesPerScanLine]
		4869	dec ecx
		4870	jnz @r
		4871	ret
		4872	;------------------------------------------------------------------------------
		4873	align 4
2288	clevermous	4874	set_screen:
		4875	cmp eax, [Screen_Max_X]
		4876	jne .set
		4877
		4878	cmp edx, [Screen_Max_Y]
		4879	jne .set
		4880	ret
		4881	.set:
		4882	pushfd
		4883	cli
		4884
		4885	mov [Screen_Max_X], eax
		4886	mov [Screen_Max_Y], edx
		4887	mov [BytesPerScanLine], ecx
		4888
		4889	mov [screen_workarea.right], eax
		4890	mov [screen_workarea.bottom], edx
		4891
		4892	push ebx
		4893	push esi
		4894	push edi
		4895
		4896	pushad
		4897
		4898	stdcall kernel_free, [_WinMapAddress]
		4899
		4900	mov eax, [_display.width]
		4901	mul [_display.height]
		4902	mov [_WinMapSize], eax
		4903
		4904	stdcall kernel_alloc, eax
		4905	mov [_WinMapAddress], eax
		4906	test eax, eax
		4907	jz .epic_fail
		4908
2438	mario79	4909	call calculate_fast_getting_offset_for_WinMapAddress
		4910
2288	clevermous	4911	popad
		4912
		4913	call repos_windows
		4914	xor eax, eax
		4915	xor ebx, ebx
		4916	mov ecx, [Screen_Max_X]
		4917	mov edx, [Screen_Max_Y]
		4918	call calculatescreen
		4919	pop edi
		4920	pop esi
		4921	pop ebx
		4922
		4923	popfd
		4924	ret
		4925
		4926	.epic_fail:
		4927	hlt ; Houston, we've had a problem
		4928
		4929	; --------------- APM ---------------------
		4930	uglobal
		4931	apm_entry dp 0
		4932	apm_vf dd 0
		4933	endg
		4934
		4935	align 4
		4936	sys_apm:
		4937	xor eax, eax
		4938	cmp word [apm_vf], ax ; Check APM BIOS enable
		4939	jne @f
		4940	inc eax
		4941	or dword [esp + 44], eax ; error
		4942	add eax, 7
		4943	mov dword [esp + 32], eax ; 32-bit protected-mode interface not supported
		4944	ret
		4945
		4946	@@:
		4947	; xchg eax, ecx
		4948	; xchg ebx, ecx
		4949
		4950	cmp dx, 3
		4951	ja @f
		4952	and [esp + 44], byte 0xfe ; emulate func 0..3 as func 0
		4953	mov eax, [apm_vf]
		4954	mov [esp + 32], eax
		4955	shr eax, 16
		4956	mov [esp + 28], eax
		4957	ret
		4958
		4959	@@:
		4960
		4961	mov esi, [master_tab+(OS_BASE shr 20)]
		4962	xchg [master_tab], esi
		4963	push esi
		4964	mov edi, cr3
		4965	mov cr3, edi ;flush TLB
		4966
		4967	call pword [apm_entry] ;call APM BIOS
		4968
		4969	xchg eax, [esp]
		4970	mov [master_tab], eax
		4971	mov eax, cr3
		4972	mov cr3, eax
		4973	pop eax
		4974
		4975	mov [esp + 4 ], edi
		4976	mov [esp + 8], esi
		4977	mov [esp + 20], ebx
		4978	mov [esp + 24], edx
		4979	mov [esp + 28], ecx
		4980	mov [esp + 32], eax
		4981	setc al
		4982	and [esp + 44], byte 0xfe
		4983	or [esp + 44], al
		4984	ret
		4985	; -----------------------------------------
		4986
		4987	align 4
		4988
		4989	undefined_syscall: ; Undefined system call
		4990	mov [esp + 32], dword -1
		4991	ret
		4992
		4993	align 4
		4994	system_shutdown: ; shut down the system
		4995
		4996	cmp byte [BOOT_VAR+0x9030], 1
		4997	jne @F
		4998	ret
		4999	@@:
		5000	call stop_all_services
		5001	push 3 ; stop playing cd
		5002	pop eax
		5003	call sys_cd_audio
		5004
		5005	yes_shutdown_param:
		5006	cli
		5007
		5008	if ~ defined extended_primary_loader
		5009	mov eax, kernel_file ; load kernel.mnt to 0x7000:0
		5010	push 12
		5011	pop esi
		5012	xor ebx, ebx
		5013	or ecx, -1
		5014	mov edx, OS_BASE+0x70000
		5015	call fileread
		5016
		5017	mov esi, restart_kernel_4000+OS_BASE+0x10000 ; move kernel re-starter to 0x4000:0
		5018	mov edi, OS_BASE+0x40000
		5019	mov ecx, 1000
		5020	rep movsb
		5021	end if
		5022
		5023	mov esi, BOOT_VAR ; restore 0x0 - 0xffff
		5024	mov edi, OS_BASE
		5025	mov ecx, 0x10000/4
		5026	cld
		5027	rep movsd
		5028
		5029	call restorefatchain
		5030
		5031	call IRQ_mask_all
		5032
		5033	if 0
		5034	mov word [OS_BASE+0x467+0], pr_mode_exit
		5035	mov word [OS_BASE+0x467+2], 0x1000
		5036
		5037	mov al, 0x0F
		5038	out 0x70, al
		5039	mov al, 0x05
		5040	out 0x71, al
		5041
		5042	mov al, 0xFE
		5043	out 0x64, al
		5044
		5045	hlt
		5046	jmp $-1
		5047
		5048	else
		5049	cmp byte [OS_BASE + 0x9030], 2
		5050	jnz no_acpi_power_off
		5051
		5052	; scan for RSDP
		5053	; 1) The first 1 Kb of the Extended BIOS Data Area (EBDA).
		5054	movzx eax, word [OS_BASE + 0x40E]
		5055	shl eax, 4
		5056	jz @f
		5057	mov ecx, 1024/16
		5058	call scan_rsdp
		5059	jnc .rsdp_found
		5060	@@:
		5061	; 2) The BIOS read-only memory space between 0E0000h and 0FFFFFh.
		5062	mov eax, 0xE0000
		5063	mov ecx, 0x2000
		5064	call scan_rsdp
		5065	jc no_acpi_power_off
		5066	.rsdp_found:
		5067	mov esi, [eax+16] ; esi contains physical address of the RSDT
		5068	mov ebp, [ipc_tmp]
		5069	stdcall map_page, ebp, esi, PG_MAP
		5070	lea eax, [esi+1000h]
		5071	lea edx, [ebp+1000h]
		5072	stdcall map_page, edx, eax, PG_MAP
		5073	and esi, 0xFFF
		5074	add esi, ebp
		5075	cmp dword [esi], 'RSDT'
		5076	jnz no_acpi_power_off
		5077	mov ecx, [esi+4]
		5078	sub ecx, 24h
		5079	jbe no_acpi_power_off
		5080	shr ecx, 2
		5081	add esi, 24h
		5082	.scan_fadt:
		5083	lodsd
		5084	mov ebx, eax
		5085	lea eax, [ebp+2000h]
		5086	stdcall map_page, eax, ebx, PG_MAP
		5087	lea eax, [ebp+3000h]
		5088	add ebx, 0x1000
		5089	stdcall map_page, eax, ebx, PG_MAP
		5090	and ebx, 0xFFF
		5091	lea ebx, [ebx+ebp+2000h]
		5092	cmp dword [ebx], 'FACP'
		5093	jz .fadt_found
		5094	loop .scan_fadt
		5095	jmp no_acpi_power_off
		5096	.fadt_found:
		5097	; ebx is linear address of FADT
		5098	mov edi, [ebx+40] ; physical address of the DSDT
		5099	lea eax, [ebp+4000h]
		5100	stdcall map_page, eax, edi, PG_MAP
		5101	lea eax, [ebp+5000h]
		5102	lea esi, [edi+0x1000]
		5103	stdcall map_page, eax, esi, PG_MAP
		5104	and esi, 0xFFF
		5105	sub edi, esi
		5106	cmp dword [esi+ebp+4000h], 'DSDT'
		5107	jnz no_acpi_power_off
		5108	mov eax, [esi+ebp+4004h] ; DSDT length
		5109	sub eax, 36+4
		5110	jbe no_acpi_power_off
		5111	add esi, 36
		5112	.scan_dsdt:
		5113	cmp dword [esi+ebp+4000h], '_S5_'
		5114	jnz .scan_dsdt_cont
		5115	cmp byte [esi+ebp+4000h+4], 12h ; DefPackage opcode
		5116	jnz .scan_dsdt_cont
		5117	mov dl, [esi+ebp+4000h+6]
		5118	cmp dl, 4 ; _S5_ package must contain 4 bytes
		5119	; ...in theory; in practice, VirtualBox has 2 bytes
		5120	ja .scan_dsdt_cont
		5121	cmp dl, 1
		5122	jb .scan_dsdt_cont
		5123	lea esi, [esi+ebp+4000h+7]
		5124	xor ecx, ecx
		5125	cmp byte [esi], 0 ; 0 means zero byte, 0Ah xx means byte xx
		5126	jz @f
		5127	cmp byte [esi], 0xA
		5128	jnz no_acpi_power_off
		5129	inc esi
		5130	mov cl, [esi]
		5131	@@:
		5132	inc esi
		5133	cmp dl, 2
		5134	jb @f
		5135	cmp byte [esi], 0
		5136	jz @f
		5137	cmp byte [esi], 0xA
		5138	jnz no_acpi_power_off
		5139	inc esi
		5140	mov ch, [esi]
		5141	@@:
		5142	jmp do_acpi_power_off
		5143	.scan_dsdt_cont:
		5144	inc esi
		5145	cmp esi, 0x1000
		5146	jb @f
		5147	sub esi, 0x1000
		5148	add edi, 0x1000
		5149	push eax
		5150	lea eax, [ebp+4000h]
		5151	stdcall map_page, eax, edi, PG_MAP
		5152	push PG_MAP
		5153	lea eax, [edi+1000h]
		5154	push eax
		5155	lea eax, [ebp+5000h]
		5156	push eax
		5157	stdcall map_page
		5158	pop eax
		5159	@@:
		5160	dec eax
		5161	jnz .scan_dsdt
		5162	jmp no_acpi_power_off
		5163	do_acpi_power_off:
		5164	mov edx, [ebx+48]
		5165	test edx, edx
		5166	jz .nosmi
		5167	mov al, [ebx+52]
		5168	out dx, al
		5169	mov edx, [ebx+64]
		5170	@@:
		5171	in ax, dx
		5172	test al, 1
		5173	jz @b
		5174	.nosmi:
		5175	and cx, 0x0707
		5176	shl cx, 2
		5177	or cx, 0x2020
		5178	mov edx, [ebx+64]
		5179	in ax, dx
		5180	and ax, 203h
		5181	or ah, cl
		5182	out dx, ax
		5183	mov edx, [ebx+68]
		5184	test edx, edx
		5185	jz @f
		5186	in ax, dx
		5187	and ax, 203h
		5188	or ah, ch
		5189	out dx, ax
		5190	@@:
		5191	jmp $
		5192
		5193
		5194	no_acpi_power_off:
		5195	mov word [OS_BASE+0x467+0], pr_mode_exit
		5196	mov word [OS_BASE+0x467+2], 0x1000
		5197
		5198	mov al, 0x0F
		5199	out 0x70, al
		5200	mov al, 0x05
		5201	out 0x71, al
		5202
		5203	mov al, 0xFE
		5204	out 0x64, al
		5205
		5206	hlt
		5207	jmp $-1
		5208
		5209	scan_rsdp:
		5210	add eax, OS_BASE
		5211	.s:
		5212	cmp dword [eax], 'RSD '
		5213	jnz .n
		5214	cmp dword [eax+4], 'PTR '
		5215	jnz .n
		5216	xor edx, edx
		5217	xor esi, esi
		5218	@@:
		5219	add dl, [eax+esi]
		5220	inc esi
		5221	cmp esi, 20
		5222	jnz @b
		5223	test dl, dl
		5224	jz .ok
		5225	.n:
		5226	add eax, 10h
		5227	loop .s
		5228	stc
		5229	.ok:
		5230	ret
		5231	end if
		5232
		5233	include "data32.inc"
		5234
		5235	__REV__ = __REV
		5236
		5237	uglobals_size = $ - endofcode
		5238	diff16 "end of kernel code",0,$

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(root)/kernel/trunk/kernel.asm @ 5836 – Rev 2489