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

Rev	Author	Line No.	Line
1	ha	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;;
		3	;; Kolibri OS - based on source code Menuet OS, but not 100% compatible.
		4	;;
		5	;; See file COPYING or GNU.TXT for details with these additional details:
		6	;; - All code written in 32 bit x86 assembly language
		7	;; - No external code (eg. bios) at process execution time
		8	;;
		9	;;
		10	;; Compile with last version FASM
		11	;;
		12	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
7	me_root	13	include "kglobals.inc"
1	ha	14	include "lang.inc"
		15
		16	WinMapAddress equ 0x460000
		17	display_data = 0x460000
		18
		19	max_processes equ 255
		20
		21	window_data equ 0x0000
		22	tss_data equ 0xD20000
		23	;tss_step equ (128+2048) ; tss & i/o - 16384 ports, * 256=557056
		24	tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
		25	draw_data equ 0xC00000
		26	sysint_stack_data equ 0xC03000
		27
		28
		29	twdw equ (0x3000-window_data)
		30
		31	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		32	;;
		33	;; Included files:
		34	;;
		35	;; Kernel16.inc
		36	;; - Booteng.inc English text for bootup
		37	;; - Bootcode.inc Hardware setup
		38	;; - Pci16.inc PCI functions
		39	;;
		40	;; Kernel32.inc
		41	;; - Sys32.inc Process management
		42	;; - Shutdown.inc Shutdown and restart
		43	;; - Fat32.inc Read / write hd
		44	;; - Vesa12.inc Vesa 1.2 driver
		45	;; - Vesa20.inc Vesa 2.0 driver
		46	;; - Vga.inc VGA driver
		47	;; - Stack.inc Network interface
		48	;; - Mouse.inc Mouse pointer
		49	;; - Scincode.inc Window skinning
		50	;; - Pci32.inc PCI functions
		51	;;
		52	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		53
		54
		55	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		56	;; ;;
		57	;; 16 BIT ENTRY FROM BOOTSECTOR ;;
		58	;; ;;
		59	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		60
		61	use16
		62	org 0x10000
		63	macro diff16 title,l2
		64	{
		65	local s,d,l1
		66	s = l2
		67	display title,': 0x'
		68	repeat 8
		69	d = 48 + s shr ((8-%) shl 2) and $0F
		70	if d > 57
		71	d = d + 65-57-1
		72	end if
		73	display d
		74	end repeat
		75	display 13,10
		76	}
		77	jmp start_of_code
		78
		79	; mike.dld {
		80	db 0
		81	dd servetable-0x10000
		82	draw_line dd __sys_draw_line
		83	disable_mouse dd __sys_disable_mouse
		84	draw_pointer dd __sys_draw_pointer
		85	drawbar dd __sys_drawbar
		86	putpixel dd __sys_putpixel
		87	; } mike.dld
		88
5	halyavin	89	version db 'Kolibri OS version 0.5.1.0 ',13,10,13,10,0
1	ha	90	;dd endofcode-0x10000
		91
		92	;db 'Boot02'
		93	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		94	include "boot/preboot.inc"
		95	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		96
		97	preboot_lfb db 0
		98	preboot_bootlog db 0
		99
		100
		101	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		102	;; ;;
		103	;; 16 BIT INCLUDED FILES ;;
		104	;; ;;
		105	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		106
7	me_root	107	include "kernel16.inc"
1	ha	108
		109	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		110	;; ;;
		111	;; SWITCH TO 32 BIT PROTECTED MODE ;;
		112	;; ;;
		113	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		114
3	halyavin	115	os_data = os_data_l-gdts ; GDTs
		116	os_code = os_code_l-gdts
1	ha	117	int_code equ int_code_l-gdts
		118	int_data equ int_data_l-gdts
		119	tss0sys equ tss0sys_l-gdts
		120	graph_data equ 3+graph_data_l-gdts
		121	tss0 equ tss0_l-gdts
		122	app_code equ 3+app_code_l-gdts
		123	app_data equ 3+app_data_l-gdts
		124
		125
		126
		127	; CR0 Flags - Protected mode and Paging
		128
		129	mov ecx,0x00000001
		130	;and ebx,65535
		131	;cmp ebx,00100000000000000b ; lfb -> paging
		132	;jb no_paging
		133	;mov ax,0x0000
		134	;mov es,ax
		135	;mov al,[es:0x901E]
		136	;cmp al,1
		137	;je no_paging
		138	;or ecx, 0x80000000
		139	;no_paging:
		140
		141	; Enabling 32 bit protected mode
		142
		143	sidt [cs:old_ints_h-0x10000]
		144
		145	cli ; disable all irqs
		146	cld
		147	mov al,255 ; mask all irqs
		148	out 0xa1,al
		149	out 0x21,al
		150	l.5: in al, 0x64 ; Enable A20
		151	test al, 2
		152	jnz l.5
		153	mov al, 0xD1
		154	out 0x64, al
		155	l.6: in al, 0x64
		156	test al, 2
		157	jnz l.6
		158	mov al, 0xDF
		159	out 0x60, al
		160	lgdt [cs:gdts-0x10000] ; Load GDT
		161	mov eax, cr0 ; Turn on paging // protected mode
		162	or eax, ecx
		163	and eax, 10011111b 65536256 + 0xffffff ; caching enabled
		164	mov cr0, eax
		165	jmp byte $+2
		166	mov ax,os_data ; Selector for os
		167	mov ds,ax
		168	mov es,ax
		169	mov fs,ax
		170	mov gs,ax
		171	mov ss,ax
12	halyavin	172	mov esp,0x3ec00 ; Set stack
1	ha	173	jmp pword os_code:B32 ; jmp to enable 32 bit mode
		174
		175	use32
		176
		177	iglobal
		178	boot_memdetect db 'Determining amount of memory',0
		179	boot_fonts db 'Fonts loaded',0
		180	boot_tss db 'Setting TSSs',0
		181	boot_cpuid db 'Reading CPUIDs',0
		182	boot_devices db 'Detecting devices',0
		183	boot_timer db 'Setting timer',0
		184	boot_irqs db 'Reprogramming IRQs',0
		185	boot_setmouse db 'Setting mouse',0
		186	boot_windefs db 'Setting window defaults',0
		187	boot_bgr db 'Calculating background',0
		188	boot_resirqports db 'Reserving IRQs & ports',0
		189	boot_setrports db 'Setting addresses for IRQs',0
		190	boot_setostask db 'Setting OS task',0
		191	boot_allirqs db 'Unmasking all IRQs',0
		192	boot_tsc db 'Reading TSC',0
		193	boot_pal_ega db 'Setting EGA/CGA 320x200 palette',0
		194	boot_pal_vga db 'Setting VGA 640x480 palette',0
		195	boot_mtrr db 'Setting MTRR',0
		196	boot_tasking db 'All set - press ESC to start',0
		197	endg
		198
		199	iglobal
		200	boot_y dd 10
		201	endg
		202
		203	boot_log:
		204	pushad
		205
		206	mov edx,esi
		207	.bll3: inc edx
		208	cmp [edx],byte 0
		209	jne .bll3
		210	sub edx,esi
		211	mov eax,10*65536
		212	mov ax,word [boot_y]
		213	add [boot_y],dword 10
		214	mov ebx,0xffffff
		215	mov ecx,esi
		216	mov edi,1
		217	call dtext
		218
		219	mov [novesachecksum],1000
		220	call checkEgaCga
		221
		222	cmp [preboot_blogesc],byte 1
		223	je .bll2
		224
		225	cmp esi,boot_tasking
		226	jne .bll2
		227	; begin ealex 04.08.05
		228	; in al,0x61
		229	; and al,01111111b
		230	; out 0x61,al
		231	; end ealex 04.08.05
		232	.bll1: in al,0x60 ; wait for ESC key press
		233	cmp al,129
		234	jne .bll1
		235
		236	.bll2: popad
		237
		238	ret
		239
		240	uglobal
		241	cpuid_0 dd 0,0,0,0
		242	cpuid_1 dd 0,0,0,0
		243	cpuid_2 dd 0,0,0,0
		244	cpuid_3 dd 0,0,0,0
		245	endg
		246
		247	iglobal
		248	firstapp db 'LAUNCHER '
		249	char db 'CHAR MT '
		250	char2 db 'CHAR2 MT '
		251	bootpath db '/KOLIBRI '
		252	bootpath2 db 0
		253	vmode db 'VMODE MDR'
		254	vrr_m db 'VRR_M '
		255	endg
		256
		257
		258	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		259	;; ;;
		260	;; 32 BIT ENTRY ;;
		261	;; ;;
		262	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		263
		264	align 4
		265
		266	B32:
		267	; CLEAR 0x280000-0xF00000
		268
		269	xor eax,eax
		270	mov edi,0x280000
		271	mov ecx,(0x100000*0xF-0x280000) / 4
		272	cld
		273	rep stosd
		274	; CLEAR 0x80000-0x90000
		275	; xor eax,eax
		276	mov edi,0x80000
		277	mov ecx,(0x90000-0x80000)/4
		278	; cld
		279	rep stosd
		280
		281	; CLEAR KERNEL UNDEFINED GLOBALS
		282	mov edi, endofcode
		283	mov ecx, (uglobals_size/4)+4
		284	rep stosd
		285
		286	; SAVE & CLEAR 0-0xffff
		287
		288	mov esi,0x0000
		289	mov edi,0x2F0000
		290	mov ecx,0x10000 / 4
		291	cld
		292	rep movsd
		293	xor eax,eax
		294	mov edi,0
		295	mov ecx,0x10000 / 4
		296	cld
		297	rep stosd
		298
		299	; SAVE REAL MODE VARIABLES
		300	; movzx eax,byte [0x2f0000+0x9010] ; mouse port
		301	; mov [0xF604],byte 1 ;al
		302	mov al,[0x2f0000+0x9000] ; bpp
		303	mov [0xFBF1],al
		304	movzx eax,word [0x2f0000+0x900A] ; X max
		305	dec eax
		306	mov [0xfe00],eax
		307	movzx eax,word [0x2f0000+0x900C] ; Y max
		308	dec eax
		309	mov [0xfe04],eax
		310	movzx eax,word [0x2f0000+0x9008] ; screen mode
		311	mov [0xFE0C],eax
		312	mov eax,[0x2f0000+0x9014] ; Vesa 1.2 bnk sw add
		313	mov [0xE030],eax
		314	mov [0xfe08],word 640*4 ; Bytes PerScanLine
		315	cmp [0xFE0C],word 0x13 ; 320x200
		316	je @f
		317	cmp [0xFE0C],word 0x12 ; VGA 640x480
		318	je @f
		319	mov ax,[0x2f0000+0x9001] ; for other modes
		320	mov [0xfe08],ax
		321	@@:
		322
		323	; GRAPHICS ADDRESSES
		324
		325	;mov eax,0x100000*8 ; LFB address
		326	;cmp [0xfe0c],word 0x13
		327	;je no_d_lfb
		328	;cmp [0xfe0c],word 0x12
		329	;je no_d_lfb
		330	;cmp [0x2f0000+0x901e],byte 1
		331	;jne no_d_lfb
		332	mov byte [0x2f0000+0x901e],0x0
		333	mov eax,[0x2f0000+0x9018]
		334	;no_d_lfb:
		335	mov [0xfe80],eax
		336
		337	cmp [0xfe0c],word 0100000000000000b
		338	jge setvesa20
		339	cmp [0xfe0c],word 0x13
		340	je v20ga32
		341	mov [0xe020],dword Vesa12_putpixel24 ; Vesa 1.2
		342	mov [0xe024],dword Vesa12_getpixel24
		343	cmp [0xfbf1],byte 24
		344	jz ga24
		345	mov [0xe020],dword Vesa12_putpixel32
		346	mov [0xe024],dword Vesa12_getpixel32
		347	ga24:
		348	jmp v20ga24
		349	setvesa20:
		350	mov [0xe020],dword Vesa20_putpixel24 ; Vesa 2.0
		351	mov [0xe024],dword Vesa20_getpixel24
		352	cmp [0xfbf1],byte 24
		353	jz v20ga24
		354	v20ga32:
		355	mov [0xe020],dword Vesa20_putpixel32
		356	mov [0xe024],dword Vesa20_getpixel32
		357	v20ga24:
		358	cmp [0xfe0c],word 0x12 ; 16 C VGA 640x480
		359	jne no_mode_0x12
		360	mov [0xe020],dword VGA_putpixel
		361	mov [0xe024],dword Vesa20_getpixel32
		362	no_mode_0x12:
		363
		364	; MEMORY MODEL
		365
		366	; mov [0xfe84],dword 0x100000*16 ; apps mem base address
		367	; movzx ecx,byte [0x2f0000+0x9030]
		368	; dec ecx
		369	; mov eax,16*0x100000 ; memory-16
		370	; shl eax,cl
		371	; mov [0xfe8c],eax ; memory for use
		372	; cmp eax,16*0x100000
		373	; jne no16mb
		374	; mov [0xfe84],dword 0xD80000 ; !!! 10 !!!
		375	; no16mb:
		376
		377	; init:
		378	; 1) 0xFE84 - applications base
		379	; 2) 0xFE8C - total amount of memory
		380
		381	xor edi, edi
		382	m_GMS_loop:
		383	add edi, 0x400000
		384	mov eax, dword [edi]
		385	mov dword [edi], 'TEST'
		386	wbinvd
		387	cmp dword [edi], 'TEST'
		388	jne m_GMS_exit
		389	cmp dword [0], 'TEST'
		390	je m_GMS_exit
		391	mov dword [es:edi], eax
		392	jmp m_GMS_loop
		393	m_GMS_exit:
		394	mov [edi], eax
		395	; now edi contains the EXACT amount of memory
		396
		397	mov eax, 0x100000*16
		398	cmp edi, eax ;0x100000*16
		399	jb $ ; less than 16 Mb
		400
		401	mov dword [0xFE84], eax ;0x100000*16
		402	cmp edi, eax ;0x100000*16
		403	jne @f
		404	mov dword [0xFE84], 0xD80000 ; =0x100000*13.5
		405	@@:
		406	mov dword [0xFE8C], edi
		407
		408	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		409	include 'detect/disks.inc'
		410	;!!!!!!!!!!!!!!!!!!!!!!!!!!
		411
		412	; CHECK EXTRA REGION
		413	; ENABLE PAGING
		414	mov eax,cr0
		415	or eax,0x80000000
		416	mov cr0,eax
		417	jmp $+2
		418	mov dword [0xfe80],0x800000
		419
		420	;Set base of graphic segment to linear address of LFB
		421	mov eax,[0xfe80] ; set for gs
		422	mov [graph_data_l+2],ax
		423	shr eax,16
		424	mov [graph_data_l+4],al
		425	mov [graph_data_l+7],ah
		426
		427	; READ RAMDISK IMAGE FROM HD
		428
		429	;!!!!!!!!!!!!!!!!!!!!!!!
		430	include 'boot/rdload.inc'
		431	;!!!!!!!!!!!!!!!!!!!!!!!
		432	; mov [dma_hdd],1
		433	; CALCULATE FAT CHAIN FOR RAMDISK
		434
		435	call calculatefatchain
		436
		437	; LOAD VMODE DRIVER
		438
		439	;!!!!!!!!!!!!!!!!!!!!!!!
		440	include 'vmodeld.inc'
		441	;!!!!!!!!!!!!!!!!!!!!!!!
		442
		443	; LOAD FONTS I and II
		444
		445	mov [0x3000],dword 1
		446	mov [0x3004],dword 1
		447	mov [0x3010],dword 0x3020
		448
		449	mov eax,char
		450	mov esi,12
		451	xor ebx,ebx
12	halyavin	452	mov ecx,2560;26000
		453	mov edx,0x3F600;0x37000
1	ha	454	call fileread
		455
		456	mov eax,char2
		457	mov esi,12
		458	xor ebx,ebx
12	halyavin	459	mov ecx,2560;26000
		460	mov edx,0x3EC00;0x30000
1	ha	461	call fileread
		462
		463	mov esi,boot_fonts
		464	call boot_log
		465
		466	; PRINT AMOUNT OF MEMORY
		467	mov esi, boot_memdetect
		468	call boot_log
		469
		470	movzx ecx, word [boot_y]
		471	or ecx, (10+29*6) shl 16 ; "Determining amount of memory"
		472	sub ecx, 10
		473	mov edx, 0xFFFFFF
		474	mov ebx, [0xFE8C]
		475	shr ebx, 20
		476	mov edi, 1
		477	mov eax, 0x00040000
		478	call display_number
		479
		480	; CHECK EXTENDED REGION
		481	; mov dword [0x80000000],0x12345678
		482	; cmp dword [0x80000000],0x12345678
		483	; jz extended_region_found
		484	; mov esi,boot_ext_region
		485	; call boot_log
		486	; jmp $
		487	;extended_region_found:
		488
		489	call MEM_Init
		490	;add 0x800000-0xc00000 area
		491	cmp word [0xfe0c],0x13
		492	jle .less_memory
		493	mov eax,0x80000000 ;linear address
		494	mov ebx,0x400000 shr 12 ;size in pages (4Mb)
		495	mov ecx,0x800000 ;physical address
		496	jmp .end_first_block
		497	.less_memory:
		498	mov eax,0x80180000 ;linear address
		499	mov ebx,0x280000 shr 12 ;size in pages (2.5Mb)
		500	mov ecx,0x980000 ;physical address
		501	.end_first_block:
		502	call MEM_Add_Heap ;nobody can lock mutex yet
		503
		504	call create_general_page_table
		505	;add 0x1000000(0xd80000)-end_of_memory area
		506	mov eax,second_base_address
		507	mov ebx,[0xfe8c]
		508	mov ecx,[0xfe84]
		509	sub ebx,ecx
		510	shr ebx,12
		511	add eax,ecx
		512	call MEM_Add_Heap
		513	;init physical memory manager.
		514	call Init_Physical_Memory_Manager
		515
		516	; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
		517
		518	mov esi,boot_irqs
		519	call boot_log
		520	call rerouteirqs
		521
		522	mov esi,boot_tss
		523	call boot_log
		524
		525	; BUILD SCHEDULER
		526
		527	call build_scheduler ; sys32.inc
		528
		529	; LOAD IDT
13	poddubny	530	lidt [cs:idtreg]
1	ha	531
		532	; READ CPUID RESULT
		533
		534	mov esi,boot_cpuid
		535	call boot_log
		536	pushfd ; get current flags
		537	pop eax
		538	mov ecx,eax
		539	xor eax,0x00200000 ; attempt to toggle ID bit
		540	push eax
		541	popfd
		542	pushfd ; get new EFLAGS
		543	pop eax
		544	push ecx ; restore original flags
		545	popfd
		546	and eax,0x00200000 ; if we couldn't toggle ID,
		547	and ecx,0x00200000 ; then this is i486
		548	cmp eax,ecx
		549	jz nopentium
		550	; It's Pentium or later. Use CPUID
		551	mov edi,cpuid_0
		552	mov esi,0
		553	cpuid_new_read:
		554	mov eax,esi
		555	cpuid
		556	call cpuid_save
		557	add edi,4*4
		558	cmp esi,3
		559	jge cpuid_done
		560	cmp esi,[cpuid_0]
		561	jge cpuid_done
		562	inc esi
		563	jmp cpuid_new_read
		564	cpuid_save:
		565	mov [edi+00],eax
		566	mov [edi+04],ebx
		567	mov [edi+8],ecx
		568	mov [edi+12],edx
		569	ret
		570	cpuid_done:
		571	nopentium:
		572
		573	; CR4 flags - enable fxsave / fxrstore
		574	;
		575	; finit
		576	; mov eax,1
		577	; cpuid
		578	; test edx,1000000h
		579	; jz fail_fpu
		580	; mov eax,cr4
		581	; or eax,200h ; Enable fxsave/fxstor
		582	; mov cr4,eax
		583	; fail_fpu:
		584
		585	; DETECT DEVICES
		586
		587	mov esi,boot_devices
		588	call boot_log
		589	call detect_devices
		590
		591	; TIMER SET TO 1/100 S
		592
		593	mov esi,boot_timer
		594	call boot_log
		595	mov al,0x34 ; set to 100Hz
		596	out 0x43,al
		597	mov al,0x9b ; lsb 1193180 / 1193
		598	out 0x40,al
		599	mov al,0x2e ; msb
		600	out 0x40,al
		601
		602	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		603	;include 'detect/commouse.inc'
		604	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		605	; SET MOUSE
		606
		607	mov esi,boot_setmouse
		608	call boot_log
		609	call setmouse
		610
		611	; SET PRELIMINARY WINDOW STACK AND POSITIONS
		612
		613	mov esi,boot_windefs
		614	call boot_log
		615	call setwindowdefaults
		616
		617	; SET BACKGROUND DEFAULTS
		618
		619	mov esi,boot_bgr
		620	call boot_log
		621	call calculatebackground
		622
		623	; RESERVE SYSTEM IRQ'S JA PORT'S
		624
		625	mov esi,boot_resirqports
		626	call boot_log
		627	call reserve_irqs_ports
		628
		629	; SET PORTS FOR IRQ HANDLERS
		630
		631	mov esi,boot_setrports
		632	call boot_log
		633	call setirqreadports
		634
		635	; SET UP OS TASK
		636
		637	mov esi,boot_setostask
		638	call boot_log
		639	; name for OS/IDLE process
		640	mov [0x80000+256+0],dword 'OS/I'
		641	mov [0x80000+256+4],dword 'DLE '
		642	; task list
		643	mov [0x3004],dword 2 ; number of processes
		644	mov [0x3000],dword 0 ; process count - start with os task
		645	mov [0x3020+0xE],byte 1 ; on screen number
		646	mov [0x3020+0x4],dword 1 ; process id number
		647
		648	; set default flags & stacks
		649	mov [l.eflags],dword 0x11202 ; sti and resume
		650	mov [l.ss0], os_data
		651	; osloop - TSS
		652	mov eax,cr3
		653	mov [l.cr3],eax
		654	mov [l.eip],osloop
13	poddubny	655	mov [l.esp],sysint_stack_data + 4096*2 ; uses slot 1 stack
1	ha	656	mov [l.cs],os_code
		657	mov [l.ss],os_data
		658	mov [l.ds],os_data
		659	mov [l.es],os_data
		660	mov [l.fs],os_data
		661	mov [l.gs],os_data
		662	; move tss to tss_data+tss_step
		663	mov esi,tss_sceleton
		664	mov edi,tss_data+tss_step
		665	mov ecx,120/4
		666	cld
		667	rep movsd
		668
		669	mov ax,tss0
		670	ltr ax
		671
		672
		673	; READ TSC / SECOND
		674
		675	mov esi,boot_tsc
		676	call boot_log
		677	call _rdtsc
		678	mov ecx,eax
		679	mov esi,250 ; wait 1/4 a second
		680	call delay_ms
		681	call _rdtsc
		682	sub eax,ecx
		683	shl eax,2
		684	mov [0xf600],eax ; save tsc / sec
		685
		686	; SET VARIABLES
		687
		688	call set_variables
		689
		690	; STACK AND FDC
		691
		692	call stack_init
		693	call fdc_init
		694
		695	; PALETTE FOR 320x200 and 640x480 16 col
		696
		697	cmp [0xfe0c],word 0x12
		698	jne no_pal_vga
		699	mov esi,boot_pal_vga
		700	call boot_log
		701	call paletteVGA
		702	no_pal_vga:
		703
		704	cmp [0xfe0c],word 0x13
		705	jne no_pal_ega
		706	mov esi,boot_pal_ega
		707	call boot_log
		708	call palette320x200
		709	no_pal_ega:
		710
		711	; LOAD DEFAULT SKIN
		712
		713	call load_default_skin
		714
		715	; MTRR'S
		716
		717	call enable_mtrr
		718
		719
		720	; LOAD FIRST APPLICATION
		721	mov [0x3000],dword 1 ;1
		722	mov [0x3004],dword 1 ;1
		723	cli
		724	mov al,[0x2f0000+0x9030]
		725	cmp al,1
		726	jne no_load_vrr_m
		727	mov eax,vrr_m
		728	call start_application_fl
		729	cmp eax,2 ; if no vrr_m app found
		730	je first_app_found
		731
		732	no_load_vrr_m:
		733	mov eax,firstapp
		734	call start_application_fl
		735
		736	cmp eax,2 ; if no first app found - halt
		737	je first_app_found
		738	mov eax, 0xDEADBEEF
		739	hlt ;jmp $
		740	first_app_found:
		741	cli
		742
		743	mov [0x3004],dword 2
		744	mov [0x3000],dword 1
		745
		746
		747	; START MULTITASKING
		748
		749	mov esi,boot_tasking
		750	call boot_log
		751
		752	mov [0xe000],byte 1 ; multitasking enabled
		753
		754	mov al, 0xf6 ; �� , ��
		755	call kb_write
		756
		757	mov ecx,0
		758	wait_loop_1: ; variant 2
		759	; �� 8042
		760	in al,64h
		761	and al,00000010b ; ��
		762	; �� 8042
		763	loopnz wait_loop_1
		764
		765	; SET KEYBOARD PARAMETERS
		766	; mov al, 0xED ; svetodiody - only for testing!
		767	; call kb_write
		768	; call kb_read
		769	; mov al, 111b
		770	; call kb_write
		771	; call kb_read
		772
		773	mov al, 0xF3 ; set repeat rate & delay
		774	call kb_write
		775	call kb_read
		776	mov al, 00100010b ; 24 500 ;00100100b ; 20 500
		777	call kb_write
		778	call kb_read
		779	;// mike.dld [
		780	call set_lights
		781	;// mike.dld ]
		782
		783
		784	; UNMASK ALL IRQ'S
		785
		786	mov esi,boot_allirqs
		787	call boot_log
		788
		789	cli ;guarantee forbidance of interrupts.
		790	mov al,0 ; unmask all irq's
		791	out 0xA1,al
		792	out 0x21,al
		793
		794	mov ecx,32
		795
		796	ready_for_irqs:
		797
		798	mov al,0x20 ; ready for irqs
		799	out 0x20,al
		800	out 0xa0,al
		801
		802	loop ready_for_irqs ; flush the queue
		803
		804	; mov [dma_hdd],1
		805
		806	sti
		807	jmp $ ; wait here for timer to take control
		808
		809	; Fly :)
		810
		811	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		812	; ;
		813	; MAIN OS LOOP ;
		814	; ;
		815	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		816	align 32
		817	osloop:
		818
		819	call check_mouse_data
		820	call [draw_pointer]
		821
		822	call checkbuttons
		823	call main_loop_sys_getkey
		824	call checkwindows
		825	call check_window_move_request
		826
		827	call checkmisc
		828	call checkEgaCga
		829
		830	call stack_handler
		831
		832	call checkidle
		833	call check_fdd_motor_status
		834	jmp osloop
		835
15	poddubny	836
1	ha	837	checkidle:
		838
		839	pushad
		840
		841	cmp [check_idle_semaphore],0
		842	jne no_idle_state
		843
		844	call change_task
		845	mov eax,[idlemem]
		846	mov ebx,[timer_ticks] ;[0xfdf0]
		847	cmp eax,ebx
		848	jnz idle_exit
		849	call _rdtsc
		850	mov ecx,eax
		851	idle_loop:
		852	hlt
		853	cmp [check_idle_semaphore],0
		854	jne idle_loop_exit
		855	mov eax,[timer_ticks] ;[0xfdf0]
		856	cmp ebx,eax
		857	jz idle_loop
		858	idle_loop_exit:
		859	mov [idlemem],eax
		860	call _rdtsc
		861	sub eax,ecx
		862	mov ebx,[idleuse]
		863	add ebx,eax
		864	mov [idleuse],ebx
		865
		866	popad
		867	ret
		868
		869	idle_exit:
		870
		871	mov ebx,[timer_ticks] ;[0xfdf0]
		872	mov [idlemem],ebx
		873	call change_task
		874
		875	popad
		876	ret
		877
		878	no_idle_state:
		879
		880	dec [check_idle_semaphore]
		881
		882	mov ebx,[timer_ticks] ;[0xfdf0]
		883	mov [idlemem],ebx
		884	call change_task
		885
		886	popad
		887	ret
		888
		889	uglobal
		890	idlemem dd 0x0
		891	idleuse dd 0x0
		892	idleusesec dd 0x0
		893	check_idle_semaphore dd 0x0
		894	endg
		895
		896
		897
		898	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		899	; ;
		900	; INCLUDED SYSTEM FILES ;
		901	; ;
		902	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		903
		904
7	me_root	905	include "kernel32.inc"
1	ha	906
		907
		908	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		909	; ;
		910	; KERNEL FUNCTIONS ;
		911	; ;
		912	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		913
		914	enable_mtrr:
		915
		916	pushad
		917
		918	cmp [0x2f0000+0x901c],byte 2
		919	je no_mtrr
		920	mov eax,[0xFE0C] ; if no LFB then no MTRR
		921	test eax,0100000000000000b
		922	jz no_mtrr
		923	mov edx,[cpuid_1+3*4] ; edx - MTRR's supported ?
		924	test edx,1000000000000b
		925	jz no_mtrr
		926	call find_empty_mtrr
		927	cmp ecx,0
		928	jz no_mtrr
		929	mov esi,boot_mtrr ; 'setting mtrr'
		930	call boot_log
		931	mov edx,0x0 ; LFB , +8 M , write combine
		932	mov eax,[0x2f9018]
		933	or eax,1
		934	wrmsr
		935	inc ecx
		936	mov edx,0xf
		937	mov eax,0xff800800
		938	wrmsr
		939	mov ecx,0x2ff ; enable mtrr's
		940	rdmsr
		941	or eax,100000000000b ; set
		942	wrmsr
		943	no_mtrr:
		944
		945	popad
		946	ret
		947
		948
		949	find_empty_mtrr: ; 8 pairs checked
		950
		951	mov ecx,0x201-2
		952	mtrr_find:
		953	add ecx,2
		954	cmp ecx,0x200+8*2
		955	jge no_free_mtrr
		956	rdmsr
		957	test eax,0x0800
		958	jnz mtrr_find
		959	dec ecx
		960	ret
		961	no_free_mtrr:
		962	mov ecx,0
		963	ret
		964
		965	reserve_irqs_ports:
		966
		967	pushad
		968
		969	mov [irq_owner+4*0],byte 1 ; timer
		970	mov [irq_owner+4*1],byte 1 ; keyboard
		971	mov [irq_owner+4*5],byte 1 ; sound blaster
		972	mov [irq_owner+4*6],byte 1 ; floppy diskette
		973	mov [irq_owner+4*13],byte 1 ; math co-pros
		974	mov [irq_owner+4*14],byte 1 ; ide I
		975	mov [irq_owner+4*15],byte 1 ; ide II
		976	movzx eax,byte [0xf604] ; mouse irq
		977	dec eax
		978	add eax,mouseirqtable
		979	movzx eax,byte [eax]
		980	shl eax,2
		981	mov [irq_owner+eax],byte 1
		982
		983
		984	; RESERVE PORTS
		985	mov edi,1 ; 0x00-0xff
		986	mov [0x2d0000],edi
		987	shl edi,4
		988	mov [0x2d0000+edi+0],dword 1
		989	mov [0x2d0000+edi+4],dword 0x0
		990	mov [0x2d0000+edi+8],dword 0xff
		991	cmp [0xf604],byte 2 ; com1 mouse -> 0x3f0-0x3ff
		992	jne ripl1
		993	inc dword [0x2d0000]
		994	mov edi,[0x2d0000]
		995	shl edi,4
		996	mov [0x2d0000+edi+0],dword 1
		997	mov [0x2d0000+edi+4],dword 0x3f0
		998	mov [0x2d0000+edi+8],dword 0x3ff
		999	ripl1:
		1000	cmp [0xf604],byte 3 ; com2 mouse -> 0x2f0-0x2ff
		1001	jne ripl2
		1002	inc dword [0x2d0000]
		1003	mov edi,[0x2d0000]
		1004	shl edi,4
		1005	mov [0x2d0000+edi+0],dword 1
		1006	mov [0x2d0000+edi+4],dword 0x2f0
		1007	mov [0x2d0000+edi+8],dword 0x2ff
		1008	ripl2:
		1009
		1010	popad
		1011	ret
		1012
		1013	iglobal
		1014	mouseirqtable db 12 ; ps2
		1015	db 4 ; com1
		1016	db 3 ; com2
		1017	endg
		1018
		1019	setirqreadports:
		1020
		1021	mov [irq12read+0],dword 0x60 + 0x01000000 ; read port 0x60 , byte
		1022	mov [irq12read+4],dword 0 ; end of port list
		1023	mov [irq04read+0],dword 0x3f8 + 0x01000000 ; read port 0x3f8 , byte
		1024	mov [irq04read+4],dword 0 ; end of port list
		1025	mov [irq03read+0],dword 0x2f8 + 0x01000000 ; read port 0x2f8 , byte
		1026	mov [irq03read+4],dword 0 ; end of port list
		1027
		1028	ret
		1029
		1030	iglobal
		1031	process_number dd 0x1
		1032	endg
		1033
		1034	uglobal
		1035	novesachecksum dd 0x0
		1036	endg
		1037
		1038	checkEgaCga:
		1039
		1040	cmp [0xfe0c],dword 0x13
		1041	je cnvl
		1042	ret
		1043	cnvl:
		1044
		1045	pushad
		1046	mov ecx,[0xfb0a]
		1047	cmp ecx,[novesachecksum]
		1048	jne novesal
		1049	popad
		1050	ret
		1051
		1052	novesal:
		1053	mov [novesachecksum],ecx
		1054	mov ecx,0
		1055	movzx eax,word [0xfb0c]
		1056	cmp eax,100
		1057	jge m13l3
		1058	mov eax,100
		1059	m13l3:
		1060	cmp eax,480-100
		1061	jbe m13l4
		1062	mov eax,480-100
		1063	m13l4:
		1064	sub eax,100
		1065	imul eax,640*4
		1066	add ecx,eax
		1067	movzx eax,word [0xfb0a]
		1068	cmp eax,160
		1069	jge m13l1
		1070	mov eax,160
		1071	m13l1:
		1072	cmp eax,640-160
		1073	jbe m13l2
		1074	mov eax,640-160
		1075	m13l2:
		1076	sub eax,160
		1077	shl eax,2
		1078	add ecx,eax
		1079	mov esi,[0xfe80]
		1080	add esi,ecx
		1081	mov edi,0xa0000
		1082	mov edx,200
		1083	mov ecx,320
		1084	cld
		1085	m13pix:
		1086	lodsd
		1087	push eax
		1088	mov ebx,eax
		1089	and eax,(128+64+32) ; blue
		1090	shr eax,5
		1091	and ebx,(128+64+32)*256 ; green
		1092	shr ebx,8+2
		1093	add eax,ebx
		1094	pop ebx
		1095	and ebx,(128+64)256256 ; red
		1096	shr ebx,8+8
		1097	add eax,ebx
		1098	stosb
		1099	loop m13pix
		1100	mov ecx,320
		1101	add esi,4*(640-320)
		1102	dec edx
		1103	jnz m13pix
		1104
		1105	popad
		1106	ret
		1107
		1108
		1109	palette320x200:
		1110
		1111	mov edx,0x3c8
		1112	xor eax, eax
		1113	out dx,al
		1114	mov ecx,256
		1115	mov edx,0x3c9
		1116	xor eax,eax
		1117
		1118	palnew:
		1119	mov al,0
		1120	test ah,64
		1121	jz pallbl1
		1122	add al,21
		1123	pallbl1:
		1124	test ah,128
		1125	jz pallbl2
		1126	add al,42
		1127	pallbl2:
		1128	out dx,al
		1129	mov al,0
		1130	test ah,8
		1131	jz pallbl3
		1132	add al,8
		1133	pallbl3:
		1134	test ah,16
		1135	jz pallbl4
		1136	add al,15
		1137	pallbl4:
		1138	test ah,32
		1139	jz pallbl5
		1140	add al,40
		1141	pallbl5:
		1142	out dx,al
		1143	mov al,0
		1144	test ah,1
		1145	jz pallbl6
		1146	add al,8
		1147	pallbl6:
		1148	test ah,2
		1149	jz pallbl7
		1150	add al,15
		1151	pallbl7:
		1152	test ah,4
		1153	jz pallbl8
		1154	add al,40
		1155	pallbl8:
		1156	out dx,al
		1157	add ah,1
		1158	loop palnew
		1159
		1160	ret
		1161
		1162	set_variables:
		1163
		1164	mov ecx,0x100 ; flush port 0x60
		1165	.fl60: in al,0x60
		1166	loop .fl60
		1167	mov [0xfcff],byte 0 ; mouse buffer
		1168	mov [0xf400],byte 0 ; keyboard buffer
		1169	mov [0xf500],byte 0 ; button buffer
		1170	; mov [0xfb0a],dword 100*65536+100 ; mouse x/y
		1171
		1172	push eax
		1173	mov ax,[0x2f0000+0x900c]
		1174	shr ax,1
		1175	shl eax,16
		1176	mov ax,[0x2f0000+0x900A]
		1177	shr ax,1
		1178	mov [0xfb0a],eax
		1179	pop eax
		1180
		1181	mov byte [SB16_Status],0 ; Minazzi Paolo
		1182	mov [display_data-12],dword 1 ; tiled background
		1183	mov [0xfe88],dword 0x2C0000 ; address of button list
		1184
		1185	;!! IP 04.02.2005:
		1186	mov [next_usage_update], 100
		1187	mov byte [0xFFFF], 0 ; change task if possible
		1188
		1189	ret
		1190
		1191	;* mouse centered - start code- Mario79
		1192	mouse_centered:
		1193	push eax
		1194	mov eax,[0xFE00]
		1195	shr eax,1
		1196	mov [0xFB0A],ax
		1197	mov eax,[0xFE04]
		1198	shr eax,1
		1199	mov [0xFB0C],ax
		1200	pop eax
		1201	ret
		1202	;* mouse centered - end code- Mario79
		1203
		1204	align 4
		1205
		1206	sys_outport:
		1207
		1208	mov edi,ebx ; separate flag for read / write
		1209	and ebx,65535
		1210
		1211	mov ecx,[0x2d0000]
		1212	test ecx,ecx
		1213	jne sopl8
		1214	mov [esp+36],dword 1
		1215	ret
		1216
		1217	sopl8:
		1218	mov edx,[0x3010]
		1219	mov edx,[edx+0x4]
		1220	and ebx,65535
		1221	cld
		1222	sopl1:
		1223
		1224	mov esi,ecx
		1225	shl esi,4
		1226	add esi,0x2d0000
		1227	cmp edx,[esi+0]
		1228	jne sopl2
		1229	cmp ebx,[esi+4]
		1230	jb sopl2
		1231	cmp ebx,[esi+8]
		1232	jg sopl2
		1233	jmp sopl3
		1234
		1235	sopl2:
		1236
		1237	dec ecx
		1238	jnz sopl1
		1239	mov [esp+36],dword 1
		1240	ret
		1241
		1242	sopl3:
		1243
		1244	test edi,0x80000000 ; read ?
		1245	jnz sopl4
		1246
		1247	mov dx,bx ; write
		1248	out dx,al
		1249	mov [esp+36],dword 0
		1250	ret
		1251
		1252	sopl4:
		1253
		1254	mov dx,bx ; read
		1255	in al,dx
		1256	and eax,0xff
		1257	mov [esp+36],dword 0
		1258	mov [esp+24],eax
		1259	ret
		1260
		1261
		1262
		1263	align 4
		1264	sys_sb16:
		1265
		1266	cmp word [sb16],word 0
		1267	jnz sb16l1
		1268	mov [esp+36],dword 1
		1269	ret
		1270	sb16l1:
		1271	mov [esp+36],dword 0
		1272	cmp eax,1 ; set volume - main
		1273	jnz sb16l2
		1274	mov dx,word [sb16]
		1275	add dx,4
		1276	mov al,0x22
		1277	out dx,al
		1278	mov esi,1
		1279	call delay_ms
		1280	mov eax,ebx
		1281	inc edx
		1282	out dx,al
		1283	ret
		1284	sb16l2:
		1285
		1286	cmp eax,2 ; set volume - cd
		1287	jnz sb16l3
		1288	mov dx,word [sb16]
		1289	add dx,4
		1290	mov al,0x28
		1291	out dx,al
		1292	mov esi,1
		1293	call delay_ms
		1294	mov eax,ebx
		1295	add edx,1
		1296	out dx,al
		1297	ret
		1298	sb16l3:
		1299	mov [esp+36],dword 2
		1300	ret
		1301
		1302
		1303	align 4
		1304
		1305	sys_sb16II:
		1306
		1307	cmp word [sb16],word 0
		1308	jnz IIsb16l1
		1309	mov [esp+36],dword 1
		1310	ret
		1311	IIsb16l1:
		1312
		1313	cmp eax,1 ; set volume - main
		1314	jnz IIsb16l2
		1315	; L
		1316	mov dx,word [sb16]
		1317	add dx,4
		1318	mov al,0x30
		1319	out dx,al
		1320	mov eax,ebx
		1321	inc edx
		1322	out dx,al
		1323	; R
		1324	mov dx,word [sb16]
		1325	add dx,4
		1326	mov al,0x31
		1327	out dx,al
		1328	mov eax,ebx
		1329	inc edx
		1330	out dx,al
		1331	mov [esp+36],dword 0
		1332	ret
		1333	IIsb16l2:
		1334
		1335	cmp eax,2 ; set volume - cd
		1336	jnz IIsb16l3
		1337	; L
		1338	mov dx,word [sb16]
		1339	add dx,4
		1340	mov al,0x36
		1341	out dx,al
		1342	mov eax,ebx
		1343	inc edx
		1344	out dx,al
		1345	; R
		1346	mov dx,word [sb16]
		1347	add dx,4
		1348	mov al,0x37
		1349	out dx,al
		1350	mov eax,ebx
		1351	inc edx
		1352	out dx,al
		1353	mov [esp+36],dword 0
		1354	ret
		1355	IIsb16l3:
		1356
		1357	mov [esp+36],dword 2
		1358	ret
		1359
		1360
		1361	align 4
		1362
		1363	sys_wss:
		1364
		1365	cmp word [wss],word 0
		1366	jnz wssl1
		1367	mov [esp+36],dword 1
		1368	ret
		1369	wssl1:
		1370
		1371	cmp eax,1 ; set volume - main
		1372	jnz wssl2
		1373	mov [esp+36],dword 0
		1374	ret
		1375	wssl2:
		1376
		1377	cmp eax,2 ; set volume - cd
		1378	jnz wssl3
		1379	; L
		1380	mov dx,word [wss]
		1381	add dx,4
		1382	mov al,0x2
		1383	out dx,al
		1384	mov esi,1
		1385	call delay_ms
		1386	mov eax,ebx
		1387	inc edx
		1388	out dx,al
		1389	; R
		1390	mov dx,word [wss]
		1391	add dx,4
		1392	mov al,0x3
		1393	out dx,al
		1394	mov esi,1
		1395	call delay_ms
		1396	mov eax,ebx
		1397	inc edx
		1398	out dx,al
		1399	mov [esp+36],dword 0
		1400	ret
		1401	wssl3:
		1402	mov [esp+36],dword 2
		1403	ret
		1404
		1405	display_number:
		1406
		1407	; eax = print type, al=0 -> ebx is number
		1408	; al=1 -> ebx is pointer
		1409	; ah=0 -> display decimal
		1410	; ah=1 -> display hexadecimal
		1411	; ah=2 -> display binary
		1412	; eax bits 16-21 = number of digits to display (0-32)
		1413	; eax bits 22-31 = reserved
		1414	;
		1415	; ebx = number or pointer
		1416	; ecx = x shl 16 + y
		1417	; edx = color
		1418
		1419	cmp eax,0xffff ; length > 0 ?
		1420	jge cont_displ
		1421	ret
		1422	cont_displ:
		1423
		1424	cmp eax,60*0x10000 ; length <= 60 ?
		1425	jbe cont_displ2
		1426	ret
		1427	cont_displ2:
		1428
		1429	pushad
		1430
		1431	cmp al,1 ; ecx is a pointer ?
		1432	jne displnl1
		1433	mov edi,[0x3010]
		1434	mov edi,[edi+0x10]
		1435	mov ebx,[edi+ebx]
		1436	displnl1:
		1437	sub esp,64
		1438
		1439	cmp ah,0 ; DECIMAL
		1440	jne no_display_desnum
		1441	shr eax,16
		1442	and eax,0x2f
		1443	push eax
		1444	;mov edi,[0x3010]
		1445	;mov edi,[edi+0x10]
		1446	mov edi,esp
		1447	add edi,4+64
		1448	mov ecx,eax
		1449	mov eax,ebx
		1450	mov ebx,10
		1451	d_desnum:
		1452	xor edx,edx
		1453	div ebx
		1454	add dl,48
		1455	mov [edi],dl
		1456	dec edi
		1457	loop d_desnum
		1458	pop eax
		1459	call draw_num_text
		1460	add esp,64
		1461	popad
		1462	ret
		1463	no_display_desnum:
		1464
		1465	cmp ah,0x01 ; HEXADECIMAL
		1466	jne no_display_hexnum
		1467	shr eax,16
		1468	and eax,0x2f
		1469	push eax
		1470	;mov edi,[0x3010]
		1471	;mov edi,[edi+0x10]
		1472	mov edi,esp
		1473	add edi,4+64
		1474	mov ecx,eax
		1475	mov eax,ebx
		1476	mov ebx,16
		1477	d_hexnum:
		1478	xor edx,edx
		1479	div ebx
		1480	add edx,hexletters
		1481	mov dl,[edx]
		1482	mov [edi],dl
		1483	dec edi
		1484	loop d_hexnum
		1485	pop eax
		1486	call draw_num_text
		1487	add esp,64
		1488	popad
		1489	ret
		1490	no_display_hexnum:
		1491
		1492	cmp ah,0x02 ; BINARY
		1493	jne no_display_binnum
		1494	shr eax,16
		1495	and eax,0x2f
		1496	push eax
		1497	;mov edi,[0x3010]
		1498	;mov edi,[edi+0x10]
		1499	mov edi,esp
		1500	add edi,4+64
		1501	mov ecx,eax
		1502	mov eax,ebx
		1503	mov ebx,2
		1504	d_binnum:
		1505	xor edx,edx
		1506	div ebx
		1507	add dl,48
		1508	mov [edi],dl
		1509	dec edi
		1510	loop d_binnum
		1511	pop eax
		1512	call draw_num_text
		1513	add esp,64
		1514	popad
		1515	ret
		1516	no_display_binnum:
		1517
		1518	add esp,64
		1519	popad
		1520	ret
		1521
		1522
		1523	draw_num_text:
		1524
		1525	; dtext
		1526	;
		1527	; eax x & y
		1528	; ebx color
		1529	; ecx start of text
		1530	; edx length
		1531	; edi 1 force
		1532
		1533	mov edx,eax
		1534	mov ecx,65
		1535	sub ecx,eax
		1536	add ecx,esp
		1537	add ecx,4
		1538	mov eax,[esp+64+32-8+4]
		1539	mov ebx,[esp+64+32-12+4]
		1540	push edx ; add window start x & y
		1541	push ebx
		1542	mov edx,[0x3010]
		1543	mov ebx,[edx-twdw]
		1544	shl ebx,16
		1545	add ebx,[edx-twdw+4]
		1546	add eax,ebx
		1547	pop ebx
		1548	pop edx
		1549	mov edi,0
		1550	call dtext
		1551
		1552	ret
		1553
		1554
		1555	read_string:
		1556
		1557	; eax read_area
		1558	; ebx color of letter
		1559	; ecx color of background
		1560	; edx number of letters to read
		1561	; esi [x start]*65536 + [y_start]
		1562
		1563	ret
		1564
		1565
		1566	align 4
		1567
		1568	sys_setup:
		1569
		1570	; 1=roland mpu midi base , base io address
		1571	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1572	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1573	; 4=sb16 base , base io address
		1574	; 5=system language, 1eng 2fi 3ger 4rus
		1575	; 6=wss base , base io address
		1576	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1577	; 8=fat32 partition in hd
		1578	; 9
		1579	; 10 = sound dma channel
		1580	; 11 = enable lba read
		1581	; 12 = enable pci access
		1582
		1583
		1584	mov [esp+36],dword 0
		1585	cmp eax,1 ; MIDI
		1586	jnz nsyse1
		1587	cmp ebx,0x100
		1588	jb nsyse1
		1589	mov edx,65535
		1590	cmp edx,ebx
		1591	jb nsyse1
		1592	mov [midi_base],bx
		1593	mov word [mididp],bx
		1594	inc bx
		1595	mov word [midisp],bx
		1596	ret
		1597
		1598	midi_base dw 0
		1599
		1600	nsyse1:
		1601
		1602	cmp eax,2 ; KEYBOARD
		1603	jnz nsyse2
		1604	cmp ebx,1
		1605	jnz kbnobase
		1606	mov edi,[0x3010]
		1607	add ecx,[edi+0x10]
		1608	mov eax,ecx
		1609	mov ebx,keymap
		1610	mov ecx,128
		1611	call memmove
		1612	ret
		1613	kbnobase:
		1614	cmp ebx,2
		1615	jnz kbnoshift
		1616	mov edi,[0x3010]
		1617	add ecx,[edi+0x10]
		1618	mov eax,ecx
		1619	mov ebx,keymap_shift
		1620	mov ecx,128
		1621	call memmove
		1622	ret
		1623	kbnoshift:
		1624	cmp ebx,3
		1625	jne kbnoalt
		1626	mov edi,[0x3010]
		1627	add ecx,[edi+0x10]
		1628	mov eax,ecx
		1629	mov ebx,keymap_alt
		1630	mov ecx,128
		1631	call memmove
		1632	ret
		1633	kbnoalt:
		1634	cmp ebx,9
		1635	jnz kbnocountry
		1636	mov word [keyboard],cx
		1637	ret
		1638	kbnocountry:
		1639	mov [esp+36],dword 1
		1640	ret
		1641	nsyse2:
		1642	cmp eax,3 ; CD
		1643	jnz nsyse3
		1644	mov [cd_base],bl
		1645	cmp ebx,1
		1646	jnz noprma
		1647	mov [cdbase],0x1f0
		1648	mov [cdid],0xa0
		1649	noprma:
		1650	cmp ebx,2
		1651	jnz noprsl
		1652	mov [cdbase],0x1f0
		1653	mov [cdid],0xb0
		1654	noprsl:
		1655	cmp ebx,3
		1656	jnz nosema
		1657	mov [cdbase],0x170
		1658	mov [cdid],0xa0
		1659	nosema:
		1660	cmp ebx,4
		1661	jnz nosesl
		1662	mov [cdbase],0x170
		1663	mov [cdid],0xb0
		1664	nosesl:
		1665	ret
		1666
		1667	cd_base db 0
		1668
		1669	nsyse3:
		1670
		1671	cmp eax,4 ; SB
		1672	jnz nsyse4
		1673	cmp ebx,0x100
		1674	jb nsyse4
		1675	mov edx,65535
		1676	cmp edx,ebx
		1677	jb nsyse4
		1678	mov word [sb16],bx
		1679	ret
		1680	nsyse4:
		1681
		1682	cmp eax,5 ; SYSTEM LANGUAGE
		1683	jnz nsyse5
		1684	mov [syslang],ebx
		1685	ret
		1686	nsyse5:
		1687
		1688	cmp eax,6 ; WSS
		1689	jnz nsyse6
		1690	cmp ebx,0x100
		1691	jb nsyse6
		1692	mov [wss],ebx
		1693	ret
		1694
		1695	wss_temp dd 0
		1696
		1697	nsyse6:
		1698
		1699	cmp eax,7 ; HD BASE
		1700	jne nsyse7
		1701	mov [hd_base],bl
		1702	cmp ebx,1
		1703	jnz noprmahd
		1704	mov [hdbase],0x1f0
		1705	mov [hdid],0x0
		1706	mov [hdpos],1
		1707	; call set_FAT32_variables
		1708	noprmahd:
		1709	cmp ebx,2
		1710	jnz noprslhd
		1711	mov [hdbase],0x1f0
		1712	mov [hdid],0x10
		1713	mov [hdpos],2
		1714	; call set_FAT32_variables
		1715	noprslhd:
		1716	cmp ebx,3
		1717	jnz nosemahd
		1718	mov [hdbase],0x170
		1719	mov [hdid],0x0
		1720	mov [hdpos],3
		1721	; call set_FAT32_variables
		1722	nosemahd:
		1723	cmp ebx,4
		1724	jnz noseslhd
		1725	mov [hdbase],0x170
		1726	mov [hdid],0x10
		1727	mov [hdpos],4
		1728	; call set_FAT32_variables
		1729	noseslhd:
		1730	mov [0xfe10],dword 0
		1731	call reserve_hd1
		1732	call clear_hd_cache
		1733	mov [hd1_status],0 ; free
		1734	ret
		1735
		1736	hd_base db 0
		1737
		1738	nsyse7:
		1739
		1740	cmp eax,8 ; HD PARTITION
		1741	jne nsyse8
		1742	mov [fat32part],ebx
		1743	; call set_FAT32_variables
		1744	call reserve_hd1
		1745	call clear_hd_cache
		1746	pusha
		1747	call choice_necessity_partition_1
		1748	popa
		1749	mov [hd1_status],0 ; free
		1750	ret
		1751	nsyse8:
		1752
		1753	cmp eax,10 ; SOUND DMA CHANNEL
		1754	jne no_set_sound_dma
		1755	mov [sound_dma],ebx
		1756	ret
		1757	no_set_sound_dma:
		1758
		1759	cmp eax,11 ; ENABLE LBA READ
		1760	jne no_set_lba_read
		1761	and ebx,1
		1762	mov [lba_read_enabled],ebx
		1763	ret
		1764	no_set_lba_read:
		1765
		1766	cmp eax,12 ; ENABLE PCI ACCESS
		1767	jne no_set_pci_access
		1768	and ebx,1
		1769	mov [pci_access_enabled],ebx
		1770	ret
		1771	no_set_pci_access:
		1772
		1773	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1774	include 'vmodeint.inc'
		1775	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		1776
		1777	mov [esp+36],dword -1
		1778	ret
		1779
		1780
		1781	align 4
		1782
		1783	sys_getsetup:
		1784
		1785	; 1=roland mpu midi base , base io address
		1786	; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
		1787	; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1788	; 4=sb16 base , base io address
		1789	; 5=system language, 1eng 2fi 3ger 4rus
		1790	; 6=wss base
		1791	; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
		1792	; 8=fat32 partition in hd
		1793	; 9=get hs timer tic
		1794
		1795	cmp eax,1
		1796	jne ngsyse1
		1797	movzx eax,[midi_base]
		1798	mov [esp+36],eax
		1799	ret
		1800	ngsyse1:
		1801
		1802	cmp eax,2
		1803	jne ngsyse2
		1804	cmp ebx,1
		1805	jnz kbnobaseret
		1806	mov edi,[0x3010]
		1807	add ecx,[edi+0x10]
		1808	mov ebx,ecx
		1809	mov eax,keymap
		1810	mov ecx,128
		1811	call memmove
		1812	ret
		1813	kbnobaseret:
		1814	cmp ebx,2
		1815	jnz kbnoshiftret
		1816	mov edi,[0x3010]
		1817	add ecx,[edi+0x10]
		1818	mov ebx,ecx
		1819	mov eax,keymap_shift
		1820	mov ecx,128
		1821	call memmove
		1822	ret
		1823	kbnoshiftret:
		1824	cmp ebx,3
		1825	jne kbnoaltret
		1826	mov edi,[0x3010]
		1827	add ecx,[edi+0x10]
		1828	mov ebx,ecx
		1829	mov eax,keymap_alt
		1830	mov ecx,128
		1831	call memmove
		1832	ret
		1833	kbnoaltret:
		1834	cmp ebx,9
		1835	jnz ngsyse2
		1836	movzx eax,word [keyboard]
		1837	mov [esp+36],eax
		1838	ret
		1839	ngsyse2:
		1840
		1841	cmp eax,3
		1842	jnz ngsyse3
		1843	movzx eax,[cd_base]
		1844	mov [esp+36],eax
		1845	ret
		1846	ngsyse3:
		1847
		1848	cmp eax,4
		1849	jne ngsyse4
		1850	mov eax,[sb16]
		1851	mov [esp+36],eax
		1852	ret
		1853	ngsyse4:
		1854
		1855	cmp eax,5
		1856	jnz ngsyse5
		1857	mov eax,[syslang]
		1858	mov [esp+36],eax
		1859	ret
		1860	ngsyse5:
		1861	cmp eax,6
		1862	jnz ngsyse6
		1863	mov eax,[wss]
		1864	mov [esp+36],eax
		1865	ret
		1866	ngsyse6:
		1867	cmp eax,7
		1868	jnz ngsyse7
		1869	movzx eax,[hd_base]
		1870	mov [esp+36],eax
		1871	ret
		1872	ngsyse7:
		1873	cmp eax,8
		1874	jnz ngsyse8
		1875	mov eax,[fat32part]
		1876	mov [esp+36],eax
		1877	ret
		1878	ngsyse8:
		1879	cmp eax,9
		1880	jne ngsyse9
		1881	mov eax,[timer_ticks] ;[0xfdf0]
		1882	mov [esp+36],eax
		1883	ret
		1884	ngsyse9:
		1885	cmp eax,10
		1886	jnz ngsyse10
		1887	mov eax,[sound_dma]
		1888	mov [esp+36],eax
		1889	ret
		1890	ngsyse10:
		1891	cmp eax,11
		1892	jnz ngsyse11
		1893	mov eax,[lba_read_enabled]
		1894	mov [esp+36],eax
		1895	ret
		1896	ngsyse11:
		1897	cmp eax,12
		1898	jnz ngsyse12
		1899	mov eax,[pci_access_enabled]
		1900	mov [esp+36],eax
		1901	ret
		1902	ngsyse12:
		1903	mov [esp+36],dword 1
		1904	ret
		1905
		1906
		1907	align 4
		1908
		1909	readmousepos:
		1910
		1911	; eax=0 screen relative
		1912	; eax=1 window relative
		1913	; eax=2 buttons pressed
		1914
		1915	test eax,eax
		1916	jnz nosr
		1917	mov eax,[0xfb0a]
		1918	shl eax,16
		1919	mov ax,[0xfb0c]
		1920	mov [esp+36],eax
		1921	ret
		1922	nosr:
		1923
		1924	cmp eax,1
		1925	jnz nowr
		1926	mov eax,[0xfb0a]
		1927	shl eax,16
		1928	mov ax,[0xfb0c]
		1929	mov esi,[0x3010]
		1930	sub esi,twdw
		1931	mov bx,[esi]
		1932	shl ebx,16
		1933	mov bx,[esi+4]
		1934	sub eax,ebx
		1935	mov [esp+36],eax
		1936	ret
		1937	nowr:
		1938
		1939	cmp eax,2
		1940	jnz nomb
		1941	movzx eax,byte [0xfb40]
		1942	nomb:
		1943	mov [esp+36],eax
		1944
		1945	ret
		1946
		1947	is_input:
		1948
		1949	push edx
		1950	mov dx,word [midisp]
		1951	in al,dx
		1952	and al,0x80
		1953	pop edx
		1954	ret
		1955
		1956
		1957	is_output:
		1958
		1959	push edx
		1960	mov dx,word [midisp]
		1961	in al,dx
		1962	and al,0x40
		1963	pop edx
		1964	ret
		1965
		1966
		1967	get_mpu_in:
		1968
		1969	push edx
		1970	mov dx,word [mididp]
		1971	in al,dx
		1972	pop edx
		1973	ret
		1974
		1975
		1976	put_mpu_out:
		1977
		1978	push edx
		1979	mov dx,word [mididp]
		1980	out dx,al
		1981	pop edx
		1982	ret
		1983
		1984
		1985	setuart:
		1986
		1987	su1:
		1988	call is_output
		1989	cmp al,0
		1990	jnz su1
		1991	mov dx,word [midisp]
		1992	mov al,0xff
		1993	out dx,al
		1994	su2:
		1995	mov dx,word [midisp]
		1996	mov al,0xff
		1997	out dx,al
		1998	call is_input
		1999	cmp al,0
		2000	jnz su2
		2001	call get_mpu_in
		2002	cmp al,0xfe
		2003	jnz su2
		2004	su3:
		2005	call is_output
		2006	cmp al,0
		2007	jnz su3
		2008	mov dx,word [midisp]
		2009	mov al,0x3f
		2010	out dx,al
		2011
		2012	ret
		2013
		2014
		2015	align 4
		2016
		2017	sys_midi:
		2018
		2019	cmp [mididp],0
		2020	jnz sm0
		2021	mov [esp+36],dword 1
		2022	ret
		2023	sm0:
		2024
		2025	cmp eax,1
		2026	mov [esp+36],dword 0
		2027	jnz smn1
		2028	call setuart
		2029	ret
		2030	smn1:
		2031
		2032	cmp eax,2
		2033	jnz smn2
		2034	sm10:
		2035	call get_mpu_in
		2036	call is_output
		2037	test al,al
		2038	jnz sm10
		2039	mov al,bl
		2040	call put_mpu_out
		2041	ret
		2042	smn2:
		2043
		2044	ret
		2045
		2046
		2047	detect_devices:
		2048	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		2049	include 'detect/commouse.inc'
		2050	;include 'detect/dev_fd.inc'
		2051	;include 'detect/dev_hdcd.inc'
		2052	;include 'detect/sear_par.inc'
		2053	;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
		2054	ret
		2055
		2056
		2057	sys_end:
		2058
		2059	mov eax,[0x3010]
		2060	add eax,0xa
		2061	mov [eax],byte 3 ; terminate this program
		2062
		2063	waitterm: ; wait here for termination
		2064	mov eax,5
		2065	call delay_hs
		2066	jmp waitterm
		2067
		2068	sys_system:
		2069
		2070	cmp eax,1 ; BOOT
		2071	jnz nosystemboot
		2072	mov [0x2f0000+0x9030],byte 0
		2073	for_shutdown_parameter:
		2074	mov eax,[0x3004]
		2075	add eax,2
		2076	mov [shutdown_processes],eax
		2077	mov [0xFF00],al
		2078	xor eax, eax
		2079	ret
		2080	uglobal
		2081	shutdown_processes: dd 0x0
		2082	endg
		2083	nosystemboot:
		2084
		2085	cmp eax,2 ; TERMINATE
		2086	jnz noprocessterminate
		2087	cmp ebx,2
		2088	jb noprocessterminate
		2089	mov edx,[0x3004]
		2090	cmp ebx,edx
		2091	jg noprocessterminate
		2092	mov eax,[0x3004]
		2093	shl ebx,5
		2094	mov edx,[ebx+0x3000+4]
		2095	add ebx,0x3000+0xa
		2096
		2097	;call MEM_Heap_Lock ;guarantee that process isn't working with heap
		2098	mov [ebx],byte 3 ; clear possible i40's
		2099	;call MEM_Heap_UnLock
		2100
		2101	cmp edx,[application_table_status] ; clear app table stat
		2102	jne noatsc
		2103	mov [application_table_status],0
		2104	noatsc:
		2105	ret
		2106	noprocessterminate:
		2107
		2108	cmp eax,3 ; ACTIVATE WINDOW
		2109	jnz nowindowactivate
		2110	cmp ebx,2
		2111	jb nowindowactivate
		2112	cmp ebx,[0x3004]
		2113	ja nowindowactivate
		2114	; edi = position at window_data+
		2115	mov edi, ebx ; edi = process number
		2116	;shl ebx, 1
		2117	;add ebx, 0xc000
		2118	;mov esi, [ebx] ; esi = window stack value
		2119	;and esi, 0xffff ; word
		2120	movzx esi, word [0xC000 + ebx*2]
		2121	mov edx, [0x3004] ; edx = number of processes
		2122	cmp esi, edx
		2123	jz nowindowactivate ; continue if window_stack_value != number_of_processes
		2124	; i.e. if window is not already active
		2125
		2126	;* start code - get active process (1) - Mario79
		2127	mov [window_minimize],2
		2128	mov [active_process],edi
		2129	;* end code - get active process (1) - Mario79
		2130
		2131	mov [0xff01],edi ; activate
		2132	xor eax, eax
		2133	ret
		2134
		2135	nowindowactivate:
		2136
		2137	cmp eax,4 ; GET IDLETIME
		2138	jnz nogetidletime
		2139	mov eax,[idleusesec]
		2140	ret
		2141	nogetidletime:
		2142
		2143	cmp eax,5 ; GET TSC/SEC
		2144	jnz nogettscsec
		2145	mov eax,[0xf600]
		2146	ret
		2147	nogettscsec:
		2148
		2149	; SAVE ramdisk to /hd/1/menuet.img
		2150	;!!!!!!!!!!!!!!!!!!!!!!!!
		2151	include 'blkdev/rdsave.inc'
		2152	;!!!!!!!!!!!!!!!!!!!!!!!!
		2153	;* start code - get active process (2) - Mario79
		2154	cmp eax,7
		2155	jnz nogetactiveprocess
		2156	mov eax,[active_process]
		2157	ret
		2158	nogetactiveprocess:
		2159	cmp eax,8
		2160	jnz nosoundflag
		2161	cmp ebx,1
		2162	jne nogetsoundflag
		2163	movzx eax,byte [sound_flag] ; get sound_flag
		2164	ret
		2165	nogetsoundflag:
		2166	cmp ebx,2
		2167	jnz nosoundflag
		2168	inc byte [sound_flag] ; set sound_flag
		2169	and byte [sound_flag],1 ;
		2170	ret
		2171	nosoundflag:
		2172	cmp eax,9 ; system shutdown with param
		2173	jnz noshutdownsystem
		2174	cmp ebx,1
		2175	jl exit_for_anyone
		2176	cmp ebx,4
		2177	jg exit_for_anyone
		2178	mov [0x2f0000+0x9030],bl
		2179	jmp for_shutdown_parameter
		2180	noshutdownsystem:
		2181	cmp eax,10 ; minimize window
		2182	jnz nominimizewindow
		2183	mov [window_minimize],1
		2184	exit_for_anyone:
		2185	ret
		2186	nominimizewindow:
		2187	cmp eax,11 ; get disk info table
		2188	jnz nogetdiskinfo
		2189	cmp ebx,1
		2190	jnz full_table
		2191	small_table:
		2192	call for_all_tables
		2193	mov cx,10
		2194	cld
		2195	rep movsb
		2196	ret
		2197	for_all_tables:
		2198	mov edi,[3010h]
		2199	mov edi,[edi+10h]
		2200	add edi,ecx
		2201	mov esi,0x40000
		2202	xor ecx,ecx
		2203	ret
		2204	full_table:
		2205	cmp ebx,2
		2206	jnz exit_for_anyone
		2207	call for_all_tables
		2208	mov cx,16384
		2209	cld
		2210	rep movsd
		2211	ret
		2212	nogetdiskinfo:
		2213	cmp eax,12 ; get all key pressed with ALT
		2214	jnz nogetkey
		2215	mov eax,[last_key_press]
		2216	mov al,[keyboard_mode_sys]
		2217	mov [esp+36],eax
		2218	mov [last_key_press],0
		2219	.finish:
		2220	ret
		2221	nogetkey:
		2222	cmp eax,13 ; get kernel ID and version
		2223	jnz nogetkernel_id
		2224	mov edi,[3010h]
		2225	mov edi,[edi+10h]
		2226	add edi,ebx
		2227	mov esi,version_inf
		2228	mov ecx,version_end-version_inf
		2229	cld
		2230	rep movsb
		2231	ret
		2232	nogetkernel_id:
		2233	cmp eax,14 ; sys wait retrace
		2234	jnz nosys_wait_retrace
		2235	;wait retrace functions
		2236	sys_wait_retrace:
		2237	mov edx,0x3da
		2238	WaitRetrace_loop:
		2239	in al,dx
		2240	test al,1000b
		2241	jz WaitRetrace_loop
		2242	mov [esp+36],dword 0
		2243	ret
		2244	nosys_wait_retrace:
		2245	cmp eax,15 ; mouse centered
		2246	jnz no_mouse_centered
		2247	call mouse_centered
		2248	mov [esp+36],dword 0
		2249	ret
		2250	no_mouse_centered:
		2251	;* end code - get active process (2) - Mario79
		2252	ret
		2253	window_minimize db 0
		2254	sound_flag db 0
		2255	last_key_press dd 0
		2256	keyboard_mode_sys db 0
		2257
		2258	iglobal
		2259	version_inf:
5	halyavin	2260	db 0,5,1,0 ; version 0.5.1.0
1	ha	2261	db UID_KOLIBRI
		2262	db 'Kolibri',0
		2263	version_end:
		2264	endg
		2265
		2266	UID_NONE=0
		2267	UID_MENUETOS=1 ;official
		2268	UID_KOLIBRI=2 ;russian
		2269
		2270	main_loop_sys_getkey:
		2271	cmp [0xf400],byte 0
		2272	je .finish
		2273	movzx eax,byte [0xf401]
		2274	shl eax,8
		2275	mov [last_key_press],eax
		2276	.finish:
		2277	ret
		2278
		2279	sys_cachetodiskette:
		2280	pushad
		2281	cmp eax,1
		2282	jne no_write_all_of_ramdisk
		2283
		2284	call fdc_writeramdisk
		2285	popad
		2286	ret
		2287	no_write_all_of_ramdisk:
		2288	cmp eax,2
		2289	jne no_write_part_of_ramdisk
		2290	call fdc_commitflush
		2291	popad
		2292	ret
		2293	no_write_part_of_ramdisk:
		2294	cmp eax,3
		2295	jne no_set_fdc
		2296	call fdc_set
		2297	popad
		2298	ret
		2299	no_set_fdc:
		2300	cmp eax,4
		2301	jne no_get_fdc
		2302	popad
		2303	call fdc_get
		2304	mov [esp+36],ecx
		2305	ret
		2306	no_get_fdc:
		2307	popad
		2308	ret
		2309
		2310	uglobal
		2311	; bgrchanged dd 0x0
		2312	endg
		2313
		2314	sys_background:
		2315
		2316	cmp eax,1 ; BACKGROUND SIZE
		2317	jnz nosb1
		2318	cmp ebx,0
		2319	je sbgrr
		2320	cmp ecx,0
		2321	je sbgrr
		2322	mov [display_data-8],ebx
		2323	mov [display_data-4],ecx
		2324	; mov [bgrchanged],1
		2325	sbgrr:
		2326	ret
		2327	nosb1:
		2328
		2329	cmp eax,2 ; SET PIXEL
		2330	jnz nosb2
		2331	mov edx,0x160000-16
		2332	cmp edx,ebx
		2333	jbe nosb2
		2334	mov edx,[ebx]
		2335	and edx,0xFF000000 ;255256256*256
		2336	and ecx,0x00FFFFFF ;255256256+255*256+255
		2337	add edx,ecx
		2338	mov [ebx+0x300000],edx
		2339	; mov [bgrchanged],1
		2340	ret
		2341	nosb2:
		2342
		2343	cmp eax,3 ; DRAW BACKGROUND
		2344	jnz nosb3
		2345	draw_background_temp:
		2346	; cmp [bgrchanged],1 ;0
		2347	; je nosb31
		2348	;draw_background_temp:
		2349	; mov [bgrchanged],1 ;0
		2350	mov [0xfff0],byte 1
		2351	nosb31:
		2352	ret
		2353	nosb3:
		2354
		2355	cmp eax,4 ; TILED / STRETCHED
		2356	jnz nosb4
		2357	cmp ebx,[display_data-12]
		2358	je nosb41
		2359	mov [display_data-12],ebx
		2360	; mov [bgrchanged],1
		2361	nosb41:
		2362	ret
		2363	nosb4:
		2364
		2365	cmp eax,5 ; BLOCK MOVE TO BGR
		2366	jnz nosb5
		2367	; bughere
		2368	mov edi, [0x3010]
		2369	add ebx, [edi+0x10]
		2370	; mov esi, ebx
		2371	; mov edi, ecx
		2372	mov eax, ebx
		2373	mov ebx, ecx
		2374	add ecx, edx
		2375	cmp ecx, 0x160000-16
		2376	ja .fin
		2377	; add edi, 0x300000
		2378	add ebx, 0x300000
		2379	mov ecx, edx
		2380	cmp ecx, 0x160000-16
		2381	ja .fin
		2382	; mov [bgrchanged],1
		2383	; cld
		2384	; rep movsb
		2385	call memmove
		2386	.fin:
		2387	ret
		2388	nosb5:
		2389
		2390	ret
		2391
		2392
		2393	align 4
		2394
		2395	sys_getbackground:
		2396
		2397	cmp eax,1 ; SIZE
		2398	jnz nogb1
		2399	mov eax,[display_data-8]
		2400	shl eax,16
		2401	mov ax,[display_data-4]
		2402	mov [esp+36],eax
		2403	ret
		2404	nogb1:
		2405
		2406	cmp eax,2 ; PIXEL
		2407	jnz nogb2
		2408	mov edx,0x160000-16
		2409	cmp edx,ebx
		2410	jbe nogb2
		2411	mov eax, [ebx+0x300000]
		2412	and eax, 0xFFFFFF
		2413	mov [esp+36],eax
		2414	ret
		2415	nogb2:
		2416
		2417	cmp eax,4 ; TILED / STRETCHED
		2418	jnz nogb4
		2419	mov eax,[display_data-12]
		2420	nogb4:
		2421	mov [esp+36],eax
		2422	ret
		2423
		2424
		2425	align 4
		2426
		2427	sys_getkey:
		2428	mov [esp+36],dword 1
		2429	mov ebx, [0x3000] ; TOP OF WINDOW STACK
		2430	movzx ecx,word [0xC000 + ebx * 2]
		2431	mov edx,[0x3004]
		2432	cmp ecx,edx
		2433	jne .finish
		2434	cmp [0xf400],byte 0
		2435	je .finish
		2436	movzx eax,byte [0xf401]
		2437	shl eax,8
		2438	push eax
		2439	dec byte [0xf400]
		2440	and byte [0xf400],127
		2441	movzx ecx,byte [0xf400]
		2442	add ecx,2
		2443	; mov esi,0xf402
		2444	; mov edi,0xf401
		2445	; cld
		2446	; rep movsb
		2447	mov eax, 0xF402
		2448	mov ebx, 0xF401
		2449	call memmove
		2450	pop eax
		2451	mov [last_key_press],eax
		2452
		2453	mov eax,[kb_state]
		2454	and al,110000b
		2455	cmp al,100000b
		2456	je .yes_win_key
		2457	cmp al,10000b
		2458	je .yes_win_key
		2459	mov eax,[last_key_press]
		2460	jmp .no_win_key
		2461	; cmp ah,232
		2462	; je .yes_win_key
		2463	; cmp ah,233
		2464	; jne .no_win_key
		2465	.yes_win_key:
		2466	mov eax,1
		2467	.no_win_key:
		2468	mov [esp+36],eax
		2469	.finish:
		2470	ret
		2471
		2472
		2473	align 4
		2474
		2475	sys_getbutton:
		2476
		2477	mov ebx, [0x3000] ; TOP OF WINDOW STACK
		2478	mov [esp+36],dword 1
		2479	movzx ecx, word [0xC000 + ebx * 2]
		2480	mov edx, [0x3004] ; less than 256 processes
		2481	cmp ecx,edx
		2482	jne .exit
		2483	movzx eax,byte [0xf500]
		2484	test eax,eax
		2485	jz .exit
		2486	mov eax,[0xf501]
		2487	shl eax,8
		2488	mov [0xf500],byte 0
		2489	mov [esp+36],eax
		2490	.exit:
		2491	ret
		2492
		2493
		2494	align 4
		2495
		2496	sys_cpuusage:
		2497
		2498	; RETURN:
		2499	;
		2500	; +00 dword process cpu usage
		2501	; +04 word position in windowing stack
		2502	; +06 word windowing stack value at current position (cpu nro)
		2503	; +10 12 bytes name
		2504	; +22 dword start in mem
		2505	; +26 dword used mem
		2506	; +30 dword PID , process idenfification number
		2507	;
		2508
		2509	mov edi,[0x3010] ; eax = return area
		2510	add edi,0x10
		2511	add eax,[edi]
		2512
		2513	cmp ebx,-1 ; who am I ?
		2514	jne no_who_am_i
		2515	mov ebx,[0x3000]
		2516	no_who_am_i:
		2517
		2518	push eax ; return area
		2519	push ebx ; process number
		2520
		2521	push ebx
		2522	push ebx
		2523	push eax
		2524
		2525	; return memory usage
		2526
		2527	xor edx,edx
		2528	mov eax,0x20
		2529	mul ebx
		2530	add eax,0x3000+0x1c
		2531	mov ebx,eax
		2532	pop eax
		2533	mov ecx,[ebx]
		2534	mov [eax],ecx
		2535	pop ebx
		2536	; mov ebx,[esp]
		2537	; shl ebx,1
		2538	; add ebx,0xc000
		2539	mov cx, [0xC000 + ebx * 2]
		2540	mov [eax+4],cx
		2541	; mov ebx,[esp]
		2542	; shl ebx,1
		2543	; add ebx,0xc400
		2544	mov cx, [0xC400 + ebx * 2]
		2545	mov [eax+6],cx
		2546	; pop ebx
		2547	push eax
		2548	mov eax,ebx
		2549	shl eax,8
		2550	add eax,0x80000
		2551	pop ebx
		2552	add ebx,10
		2553	mov ecx,11
		2554	call memmove
		2555
		2556	; memory usage
		2557
		2558	xor eax,eax
		2559	mov edx,0x100000*16
		2560	pop ecx ; get gdt of tss
		2561	cmp ecx,1
		2562	je os_mem
		2563	shl ecx,8
		2564	mov edx,[0x80000+ecx+0x8c]
		2565	mov eax,std_application_base_address
		2566	;add ecx,0x80000+0x88
		2567	;mov ecx,[ecx]
		2568	; shl ecx,3
		2569	; eax run base -> edx used memory
		2570	; mov al,[ecx+gdts+ app_code-3 +4] ; base 23:16
		2571	; mov ah,[ecx+gdts+ app_code-3 +7] ; base 31:24
		2572	; shl eax,16
		2573	; mov ax,[ecx+gdts+ app_code-3 +2] ; base 0:15
		2574	; movzx edx,word [ecx+gdts+ app_code-3 +0]
		2575	; shl edx,12
		2576
		2577	os_mem:
		2578	dec edx
		2579	mov [ebx+12],eax
		2580	mov [ebx+16],edx
		2581
		2582	; PID (+30)
		2583
		2584	mov eax,[esp]
		2585	shl eax,5
		2586	add eax,0x3000+0x4
		2587	mov eax,[eax]
		2588	mov [ebx+20],eax
		2589
		2590	; window position and size
		2591
		2592	mov esi,[esp]
		2593	shl esi,5
		2594	add esi,window_data
		2595	mov edi,[esp+4]
		2596	add edi,34
		2597	mov ecx,4*4
		2598	cld
		2599	rep movsb
		2600
		2601	; Process state (+50)
		2602
		2603	mov eax,[esp]
		2604	shl eax,5
		2605	add eax,0x3000+0xa
		2606	mov eax,[eax]
		2607	mov [ebx+40],ax
		2608
		2609
		2610	pop ebx
		2611	pop eax
		2612
		2613	; return number of processes
		2614
		2615	mov eax,[0x3004]
		2616	mov [esp+36],eax
		2617	ret
		2618
		2619
		2620
		2621
		2622	align 4
		2623	sys_clock:
		2624	cli
		2625	; Mikhail Lisovin xx Jan 2005
		2626	@@: mov al, 10
		2627	out 0x70, al
		2628	in al, 0x71
		2629	test al, al
		2630	jns @f
		2631	mov esi, 1
		2632	call delay_ms
		2633	jmp @b
		2634	@@:
		2635	; end Lisovin's fix
		2636
		2637	xor al,al ; seconds
		2638	out 0x70,al
		2639	in al,0x71
		2640	movzx ecx,al
		2641	mov al,02 ; minutes
		2642	shl ecx,16
		2643	out 0x70,al
		2644	in al,0x71
		2645	movzx edx,al
		2646	mov al,04 ; hours
		2647	shl edx,8
		2648	out 0x70,al
		2649	in al,0x71
		2650	add ecx,edx
		2651	movzx edx,al
		2652	add ecx,edx
		2653	sti
		2654	mov [esp+36],ecx
		2655	ret
		2656
		2657
		2658	align 4
		2659
		2660	sys_date:
		2661
		2662	cli
		2663	mov al,6 ; day of week
		2664	out 0x70,al
		2665	in al,0x71
		2666	mov ch,al
		2667	mov al,7 ; date
		2668	out 0x70,al
		2669	in al,0x71
		2670	mov cl,al
		2671	mov al,8 ; month
		2672	shl ecx,16
		2673	out 0x70,al
		2674	in al,0x71
		2675	mov ch,al
		2676	mov al,9 ; year
		2677	out 0x70,al
		2678	in al,0x71
		2679	mov cl,al
		2680	sti
		2681	mov [esp+36],ecx
		2682	ret
		2683
		2684
		2685	; redraw status
		2686
		2687	sys_redrawstat:
		2688
		2689	cmp eax,1
		2690	jne no_widgets_away
		2691
		2692	; buttons away
		2693
		2694	mov ecx,[0x3000]
		2695
		2696	sys_newba2:
		2697
		2698	mov edi,[0xfe88]
		2699	cmp [edi],dword 0 ; empty button list ?
		2700	je end_of_buttons_away
		2701
		2702	movzx ebx,word [edi]
		2703	inc ebx
		2704
		2705	mov eax,edi
		2706
		2707	sys_newba:
		2708
		2709	dec ebx
		2710	jz end_of_buttons_away
		2711
		2712	add eax,0x10
		2713	cmp cx,[eax]
		2714	jnz sys_newba
		2715
		2716	push eax ebx ecx
		2717	mov ecx,ebx
		2718	inc ecx
		2719	shl ecx,4
		2720	mov ebx,eax
		2721	add eax,0x10
		2722	call memmove
		2723	dec dword [edi]
		2724	pop ecx ebx eax
		2725
		2726	jmp sys_newba2
		2727
		2728	end_of_buttons_away:
		2729
		2730	ret
		2731
		2732	no_widgets_away:
		2733
		2734	cmp eax,2
		2735	jnz srl1
		2736
		2737	mov edx,[0x3010] ; return whole screen draw area for this app
		2738	add edx,draw_data-0x3000
		2739	mov [edx+0],dword 0
		2740	mov [edx+4],dword 0
		2741	mov eax,[0xfe00]
		2742	mov [edx+8],eax
		2743	mov eax,[0xfe04]
		2744	mov [edx+12],eax
		2745
		2746	mov edi,[0x3010]
		2747	sub edi,twdw
		2748	mov [edi+30],byte 1 ; no new position & buttons from app
		2749
		2750	call sys_window_mouse
		2751
		2752	ret
		2753
		2754	srl1:
		2755
		2756	ret
		2757
		2758
		2759	sys_drawwindow:
		2760
		2761	mov edi,ecx
		2762	shr edi,16+8
		2763	and edi,15
		2764
		2765	cmp edi,0 ; type I - original style
		2766	jne nosyswI
		2767	call sys_set_window
		2768	call drawwindow_I
		2769	ret
		2770	nosyswI:
		2771
		2772	cmp edi,1 ; type II - only reserve area, no draw
		2773	jne nosyswII
		2774	call sys_set_window
		2775	call sys_window_mouse
		2776	ret
		2777	nosyswII:
		2778
		2779	cmp edi,2 ; type III - new style
		2780	jne nosyswIII
		2781	call sys_set_window
		2782	call drawwindow_III
		2783	ret
		2784	nosyswIII:
		2785
		2786	cmp edi,3 ; type IV - skinned window
		2787	jne nosyswIV
		2788	call sys_set_window
		2789	call drawwindow_IV
		2790	ret
		2791	nosyswIV:
		2792
		2793	ret
		2794
		2795
		2796	sys_set_window:
		2797
		2798	mov edi,[0x3000]
		2799	shl edi,5
		2800	add edi,window_data
		2801
		2802	; colors
		2803	mov [edi+16],ecx
		2804	mov [edi+20],edx
		2805	mov [edi+24],esi
		2806
		2807	; check flag (?)
		2808	cmp [edi+30],byte 1
		2809	jz newd
		2810
		2811	push eax
		2812	mov eax,[timer_ticks] ;[0xfdf0]
		2813	add eax,100
		2814	mov [new_window_starting],eax
		2815	pop eax
		2816
		2817	mov [edi+8],ax
		2818	mov [edi+12],bx
		2819	shr eax,16
		2820	shr ebx,16
		2821	mov [edi+00],ax
		2822	mov [edi+04],bx
		2823
		2824
		2825	call check_window_position
		2826
		2827
		2828	push ecx esi edi ; save for window fullscreen/resize
		2829	mov esi,edi
		2830	sub edi,window_data
		2831	shr edi,5
		2832	shl edi,8
		2833	add edi,0x80000+0x90
		2834	mov ecx,4
		2835	cld
		2836	rep movsd
		2837	pop edi esi ecx
		2838
		2839	push eax ebx ecx edx
		2840	;;; mov eax, 1
		2841	;;; call delay_hs
		2842	movzx eax, word [edi+00]
		2843	movzx ebx, word [edi+04]
		2844	movzx ecx, word [edi+8]
		2845	movzx edx, word [edi+12]
		2846	add ecx, eax
		2847	add edx, ebx
		2848	call calculatescreen
		2849	pop edx ecx ebx eax
		2850
		2851	mov [0xf400],byte 0 ; empty keyboard buffer
		2852	mov [0xf500],byte 0 ; empty button buffer
		2853
		2854	newd:
		2855	mov [edi+31],byte 0 ; no redraw
		2856	mov edx,edi
		2857
		2858	ret
		2859
		2860
		2861	sys_window_move:
		2862
		2863	cmp [window_move_pr],0
		2864	je mwrl1
		2865
		2866	mov [esp+36],dword 1 ; return queue error
		2867
		2868	ret
		2869
		2870	mwrl1:
		2871
		2872	mov edi,[0x3000] ; requestor process base
		2873	mov [window_move_pr],edi
		2874
		2875	mov [window_move_eax],eax
		2876	mov [window_move_ebx],ebx
		2877	mov [window_move_ecx],ecx
		2878	mov [window_move_edx],edx
		2879
		2880	mov [esp+36],dword 0 ; return success
		2881
		2882	ret
		2883
		2884	type_background_1:
		2885	cmp [0xfff0],byte 0 ; background update ?
		2886	jz temp_nobackgr
		2887	mov [0xfff0],byte 2
		2888	call change_task
		2889	mov [draw_data+32+0],dword 0
		2890	mov [draw_data+32+4],dword 0
		2891	mov eax,[0xfe00]
		2892	mov ebx,[0xfe04]
		2893	mov [draw_data+32+8],eax
		2894	mov [draw_data+32+12],ebx
		2895	call drawbackground
		2896	mov [0xfff0],byte 0
		2897	mov [0xfff4],byte 0
		2898	temp_nobackgr:
		2899	ret
		2900
		2901	uglobal
		2902	window_move_pr dd 0x0
		2903	window_move_eax dd 0x0
		2904	window_move_ebx dd 0x0
		2905	window_move_ecx dd 0x0
		2906	window_move_edx dd 0x0
		2907	endg
		2908
		2909	;ok - 100% work
		2910	;nt - not tested
		2911	;---------------------------------------------------------------------------------------------
		2912	;eax
		2913	;0 - task switch counter. Ret switch counter in eax. Block. ok.
		2914	;1 - change task. Ret nothing. Block. ok.
		2915	;2 - performance control
		2916	; ebx
		2917	; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
		2918	; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
		2919	; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
		2920	; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
		2921	; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
		2922	;eax
		2923	;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		2924	;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
		2925	;---------------------------------------------------------------------------------------------
		2926	sys_sheduler: ;noname & halyavin
		2927	cmp eax,0
		2928	je shed_counter
		2929	cmp eax,2
		2930	je perf_control
		2931	cmp eax,3
		2932	je rdmsr_instr
		2933	cmp eax,4
		2934	je wrmsr_instr
		2935	cmp eax,1
		2936	jne not_supported
		2937	call change_task ;delay,0
		2938	ret
		2939	shed_counter:
		2940	mov eax,[context_counter]
		2941	mov [esp+36],eax
		2942	not_supported:
		2943	ret
		2944	perf_control:
		2945	inc eax ;now eax=3
		2946	cmp ebx,eax
		2947	je cache_disable
		2948	dec eax
		2949	cmp ebx,eax
		2950	je cache_enable
		2951	dec eax
		2952	cmp ebx,eax
		2953	je is_cache_enabled
		2954	dec eax
		2955	cmp ebx,eax
		2956	je modify_pce
		2957	ret
		2958
		2959	rdmsr_instr:
		2960	;now counter in ecx
		2961	;(edx:eax) esi:edi => edx:esi
		2962	mov eax,esi
		2963	rdmsr
		2964	mov [esp+36],eax
		2965	mov [esp+24],edx ;ret in ebx?
		2966	ret
		2967
		2968	wrmsr_instr:
		2969	;now counter in ecx
		2970	;(edx:eax) esi:edi => edx:esi
		2971	mov eax,esi
		2972	wrmsr
		2973	mov [esp+36],eax
		2974	mov [esp+24],edx ;ret in ebx?
		2975	ret
		2976
		2977	cache_disable:
		2978	mov eax,cr0
		2979	or eax,01100000000000000000000000000000b
		2980	mov cr0,eax
		2981	wbinvd ;set MESI
		2982	ret
		2983
		2984	cache_enable:
		2985	mov eax,cr0
		2986	and eax,10011111111111111111111111111111b
		2987	mov cr0,eax
		2988	ret
		2989
		2990	is_cache_enabled:
		2991	mov eax,cr0
		2992	mov ebx,eax
		2993	and eax,01100000000000000000000000000000b
		2994	jz cache_disabled
		2995	mov [esp+36],ebx
		2996	cache_disabled:
		2997	mov dword [esp+36],eax ;0
		2998	ret
		2999
		3000	modify_pce:
		3001	mov eax,cr4
		3002	; mov ebx,0
		3003	; or bx,100000000b ;pce
		3004	; xor eax,ebx ;invert pce
17	me_root	3005	bts eax,8 ;pce=cr4[8]
1	ha	3006	mov cr4,eax
		3007	mov [esp+36],eax
		3008	ret
		3009	;---------------------------------------------------------------------------------------------
		3010
		3011	; check pixel limits
		3012
		3013	;cplimit:
		3014	; push edi
		3015
		3016	; cmp byte [0xe000], 1 ; Multitasking enabled?
		3017	; jnz .ret0
		3018	; mov edi,[0x3010]
		3019	; add edi, draw_data-0x3000
		3020	; mov ecx, 1
		3021	; cmp [edi+0], eax ; xs
		3022	; ja .ret1
		3023	; cmp [edi+4], ebx ; ys
		3024	; ja .ret1
		3025	; cmp eax, [edi+8] ; xe
		3026	; ja .ret1
		3027	; cmp ebx, [edi+12] ; ye
		3028	; ja .ret1
		3029
		3030	;.ret0:
		3031	; xor ecx, ecx
		3032	;.ret1:
		3033	; pop edi
		3034	; ret
		3035
		3036
		3037	; check if pixel is allowed to be drawn
		3038
		3039	checkpixel:
		3040
		3041	push eax
		3042	push ebx
		3043	push edx
		3044
		3045	; mov ecx,[0x3000] ; process count
		3046	; shl ecx, 6 ; *64
		3047	; add ecx,0xc000 ; +window_stack
		3048	; mov dx,word [ecx] ; window_stack_value
		3049
		3050	; cmp dx, word [0x3004] ; is this window active right now?!
		3051	; jz .ret0
		3052
		3053	; call cplimit
		3054	; test ecx, ecx
		3055	; jnz .ret1
		3056
		3057	mov edx,[0xfe00] ; screen x size
		3058	inc edx
		3059	imul edx, ebx
		3060	mov dl, [eax+edx+display_data] ; lea eax, [...]
		3061	;;; mov dl,[eax]
		3062
		3063	mov eax,[0x3000]
		3064	shl eax,5
		3065	add eax,0x3000+0xe
		3066
		3067	mov ecx, 1
		3068	cmp byte [eax], dl
		3069	jnz .ret1
		3070
		3071	.ret0:
		3072	xor ecx, ecx
		3073	.ret1:
		3074	pop edx
		3075	pop ebx
		3076	pop eax
		3077	ret
		3078
		3079	uglobal
		3080	mouse_active db 0
		3081	endg
		3082	iglobal
		3083	cpustring db 'CPU '
		3084	endg
		3085
		3086
		3087	align 4
		3088	; check misc
		3089
		3090	checkmisc:
		3091
		3092	cmp [ctrl_alt_del], 1
		3093	jne nocpustart
		3094	mov eax, cpustring
		3095	call start_application_fl
		3096	mov [ctrl_alt_del], 0
		3097	nocpustart:
		3098	cmp [mouse_active], 1
		3099	jne mouse_not_active
		3100	mov [mouse_active], 0
		3101	xor edi, edi
		3102	mov ecx, [0x3004]
		3103	set_mouse_event:
		3104	add edi, 256
		3105	or [edi+0x80000+0xA8], dword 00100000b
		3106	loop set_mouse_event
		3107	mouse_not_active:
		3108
		3109
		3110	cmp [0xfff0],byte 0 ; background update ?
		3111	jz nobackgr
		3112	mov [0xfff0],byte 2
		3113	call change_task
		3114	mov [draw_data+32+0],dword 0
		3115	mov [draw_data+32+4],dword 0
		3116	mov eax,[0xfe00]
		3117	mov ebx,[0xfe04]
		3118	mov [draw_data+32+8],eax
		3119	mov [draw_data+32+12],ebx
		3120	call drawbackground
		3121	mov [0xfff0],byte 0
		3122	mov [0xfff4],byte 0
		3123
		3124	nobackgr:
		3125
		3126
		3127	; system shutdown request
		3128
		3129	cmp [0xFF00],byte 0
		3130	je noshutdown
		3131
		3132	mov edx,[shutdown_processes]
		3133	sub dl,2
		3134
		3135	cmp [0xff00],dl
		3136	jne no_mark_system_shutdown
		3137
		3138	mov edx,0x3040
		3139	movzx ecx,byte [0xff00]
		3140	add ecx,5
		3141	markz:
		3142	mov [edx+0xa],byte 3
		3143	add edx,0x20
		3144	loop markz
		3145
		3146	no_mark_system_shutdown:
		3147
		3148	call [disable_mouse]
		3149
		3150	dec byte [0xff00]
		3151
		3152	cmp [0xff00],byte 0
		3153	je system_shutdown
		3154
		3155	noshutdown:
		3156
		3157
		3158	mov eax,[0x3004] ; termination
		3159	mov ebx,0x3020+0xa
		3160	mov esi,1
		3161
		3162	newct:
		3163	mov cl,[ebx]
		3164	cmp cl,byte 3
		3165	jz terminate
		3166	cmp cl,byte 4
		3167	jz terminate
		3168
		3169	add ebx,0x20
		3170	inc esi
		3171	dec eax
		3172	jnz newct
		3173
		3174	ret
		3175
		3176
		3177
		3178
		3179	; redraw screen
		3180
		3181	redrawscreen:
		3182
		3183	; eax , if process window_data base is eax, do not set flag/limits
		3184
		3185	pushad
		3186	push eax
		3187
		3188	;;; mov eax,2
		3189	;;; call delay_hs
		3190
		3191	;mov ecx,0 ; redraw flags for apps
		3192	xor ecx,ecx
		3193	newdw2:
		3194
		3195	inc ecx
		3196	push ecx
		3197
		3198	mov eax,ecx
		3199	shl eax,5
		3200	add eax,window_data
		3201
		3202	cmp eax,[esp+4]
		3203	je not_this_task
		3204	; check if window in redraw area
		3205	mov edi,eax
		3206
		3207	cmp ecx,1 ; limit for background
		3208	jz bgli
		3209
		3210	mov eax,[edi+0]
		3211	mov ebx,[edi+4]
		3212	mov ecx,[edi+8]
		3213	mov edx,[edi+12]
		3214	add ecx,eax
		3215	add edx,ebx
		3216
		3217	mov ecx,[dlye] ; ecx = area y end ebx = window y start
		3218	cmp ecx,ebx
		3219	jb ricino
		3220
		3221	mov ecx,[dlxe] ; ecx = area x end eax = window x start
		3222	cmp ecx,eax
		3223	jb ricino
		3224
		3225	mov eax,[edi+0]
		3226	mov ebx,[edi+4]
		3227	mov ecx,[edi+8]
		3228	mov edx,[edi+12]
		3229	add ecx,eax
		3230	add edx,ebx
		3231
		3232	mov eax,[dly] ; eax = area y start edx = window y end
		3233	cmp edx,eax
		3234	jb ricino
		3235
		3236	mov eax,[dlx] ; eax = area x start ecx = window x end
		3237	cmp ecx,eax
		3238	jb ricino
		3239
		3240	bgli:
		3241
		3242	cmp edi,esi
		3243	jz ricino
		3244
		3245	mov eax,edi
		3246	add eax,draw_data-window_data
		3247
		3248	mov ebx,[dlx] ; set limits
		3249	mov [eax+0],ebx
		3250	mov ebx,[dly]
		3251	mov [eax+4],ebx
		3252	mov ebx,[dlxe]
		3253	mov [eax+8],ebx
		3254	mov ebx,[dlye]
		3255	mov [eax+12],ebx
		3256
		3257	sub eax,draw_data-window_data
		3258
		3259	cmp ecx,1
		3260	jne nobgrd
		3261	cmp esi,1
		3262	je newdw8
		3263	call drawbackground
		3264
		3265	newdw8:
		3266	nobgrd:
		3267
		3268	mov [eax+31],byte 1 ; mark as redraw
		3269
		3270	ricino:
		3271
		3272	not_this_task:
		3273
		3274	pop ecx
		3275
		3276	cmp ecx,[0x3004]
		3277	jle newdw2
		3278
		3279	pop eax
		3280	popad
		3281
		3282	ret
		3283
		3284	; check mouse
		3285	;
		3286	;
		3287	; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y
		3288	; FB10 -> FB17 mouse color mem
		3289	; FB21 x move
		3290	; FB22 y move
		3291	; FB30 color temp
		3292	; FB28 high bits temp
		3293	; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under
		3294	; FC00 -> FCFE com1/ps2 buffer
		3295	; FCFF com1/ps2 buffer count starting from FC00
		3296
		3297	uglobal
		3298	mousecount dd 0x0
		3299	mousedata dd 0x0
		3300	endg
		3301
		3302
		3303	check_mouse_data:
		3304
		3305	pushad
		3306
		3307	cmp [0xF604],byte 1
		3308	jne no_ps2_mouse
		3309	mov [mousecount],dword 0x2e0000+12*4096
		3310	mov [mousedata],dword 0x2e0000+12*4096+0x10
		3311	jmp uusicheckmouse
		3312	no_ps2_mouse:
		3313	cmp [0xF604],byte 2
		3314	jne no_com1_mouse
		3315	mov [mousecount],dword 0x2e0000+4*4096
		3316	mov [mousedata],dword 0x2e0000+4*4096+0x10
		3317	jmp uusicheckmouse
		3318	no_com1_mouse:
		3319	mov [mousecount],dword 0x2e0000+3*4096
		3320	mov [mousedata],dword 0x2e0000+3*4096+0x10
		3321
		3322	uusicheckmouse:
		3323
		3324	mov ebx,[mousecount] ; anything at buffer for mouse
		3325	cmp dword [ebx], 0 ; !!!
		3326	jz checkmouseret
		3327
		3328	; first byte of comX or ps2 ?
		3329
		3330	cmp [0xF604],byte 1
		3331	je ps2mousefirst
		3332
		3333	; ******************************************
		3334	; ********* COMX mouse driver **********
		3335	; ******************************************
		3336
		3337	com1mousefirst:
		3338
		3339	mov edi,[mousedata]
		3340	mov dl,byte [edi] ; first com1 ?
		3341	test dl,64
		3342	jz @f
		3343	mov [0xfb00],byte 0 ; zero mouse block count
		3344	@@:
		3345	xor ebx,ebx
		3346
		3347	mov bl,[0xfb00]
		3348	inc bl
		3349	mov [0xfb00],bl
		3350	mov eax,0xfb00
		3351	add eax,ebx
		3352	mov edi,[mousedata]
		3353	mov dl,byte [edi]
		3354	mov [eax],byte dl
		3355	cmp bl,3 ; three ?
		3356	jnz decm
		3357
		3358	; buttons
		3359
		3360	;* change right and left button by places - start code - Mario79
		3361	mov al,[0xfb01]
		3362	mov ah,al
		3363	shr al,3
		3364	and al,2
		3365	shr ah,5
		3366	and ah,1
		3367	add al,ah
		3368	;* change right and left button by places - end code - Mario79
		3369
		3370	mov [0xfb40],al
		3371
		3372	; com1 mouse
		3373	; x
		3374
		3375	mov dl,[0xfb01] ; x high bits
		3376	movzx eax,dl
		3377	and al,3
		3378	shl al,6
		3379	mov dl,byte[0xfb02] ; x low bits
		3380	add al,dl
		3381	mov [0xfb21],byte al
		3382	movzx ebx,word[0xfb0a]
		3383
		3384	mov al,byte [0xfb01] ; + or - ?
		3385	test al,2
		3386	jz x_add
		3387
		3388	x_sub: ; x-
		3389	sub bx,255
		3390	sub bx,255
		3391	x_add: ; x+
		3392	movzx eax,byte [0xfb21]
		3393	add bx,ax
		3394	add bx,ax
		3395	push ebx
		3396	mov [0xfb00],byte 0
		3397
		3398	; y
		3399
		3400
		3401	my_event:
		3402
		3403	mov dl,[0xfb01] ; y high bits
		3404	movzx eax,dl
		3405	and al,12
		3406	shl al,4
		3407	mov dl,byte[0xfb03] ; y low bits
		3408	add al,dl
		3409	mov [0xfb22],byte al
		3410	movzx ebx,word[0xfb0c]
		3411
		3412	mov al,byte [0xfb01] ; + or - ?
		3413	test al,8
		3414	je y_add
		3415
		3416	y_sub: ; y-
		3417	sub bx,255
		3418	sub bx,255
		3419	y_add: ; y+
		3420	movzx eax,byte [0xfb22]
		3421	add bx,ax
		3422	add bx,ax
		3423	push ebx
		3424	mov [0xfb00],byte 0
		3425	jmp mdraw
		3426
		3427	; end of com1 mouse
		3428
		3429
		3430	; ******************************************
		3431	; ****** PS2 MOUSE DRIVER ************
		3432	; ******************************************
		3433
		3434	ps2mousefirst:
		3435
		3436	movzx edx,byte [0x2E0000+4096*12+0x10] ; first ps2 ?
		3437	cmp edx,40
		3438	jne @f
		3439	mov [0xfb00],byte 0 ; zero mouse block count
		3440	@@:
		3441
		3442	movzx ebx,byte [0xfb00]
		3443	add ebx,1
		3444	mov [0xfb00],bl
		3445	mov eax,0xfb00
		3446	add eax,ebx
		3447	mov dl,byte [0x2E0000+4096*12+0x10]
		3448	mov [eax],byte dl
		3449
		3450	cmp bl,3 ; full packet of three bytes ?
		3451	jnz decm
		3452
		3453	mov [0xfb00],byte 0 ; zero mouse block count
		3454
		3455	; buttons
		3456
		3457	movzx eax,byte [0xfb01]
		3458	and eax,3
		3459	mov [0xfb40],al
		3460
		3461	; x
		3462
		3463	movzx eax,word [0xfb0a]
		3464	movzx edx,byte [0xfb02]
		3465	cmp edx,128
		3466	jb ps2xp
		3467	shl edx,1
		3468	add eax,edx
		3469	cmp eax,512
		3470	jge ps2xsok
		3471	xor eax, eax
		3472	jmp ps2xready
		3473	ps2xsok:
		3474	sub eax,512
		3475	jmp ps2xready
		3476	ps2xp:
		3477	shl edx,1
		3478	add eax,edx
		3479	jmp ps2xready
		3480	ps2xready:
		3481	push eax
		3482
		3483	; y
		3484
		3485	movzx eax,word [0xfb0c]
		3486	movzx edx,byte [0xfb03]
		3487	cmp edx,128
		3488	jb ps2yp
		3489	add eax,512
		3490	shl edx,1
		3491	sub eax,edx
		3492	jmp ps2yready
		3493	ps2yp:
		3494	shl edx,1
		3495	cmp edx,eax
		3496	jb ps201
		3497	mov edx,eax
		3498	ps201:
		3499	sub eax,edx
		3500	jmp ps2yready
		3501	ps2yready:
		3502	push eax
		3503
		3504	;jmp mdraw
		3505
		3506	; end of ps2 mouse
		3507
		3508
		3509	; ****************************
		3510	; *** CHECK FOR LIMITS ***
		3511	; ****************************
		3512
		3513	mdraw:
		3514
		3515	cmp [0xfb44],byte 0
		3516	jne mousedraw4
		3517	cmp [0xfb40],byte 0
		3518	je mousedraw4
		3519	mov [0xfff5],byte 1
		3520
		3521	mousedraw4:
		3522
		3523	pop ebx
		3524	pop eax
		3525
		3526	mov [mouse_active],1
		3527
		3528	; mov dx,0 ; smaller than zero
		3529	xor dx,dx
		3530	cmp bx,dx
		3531	jge mnb11
		3532	; mov bx,0
		3533	xor bx,bx
		3534	mnb11:
		3535	mov [0xfb0c],word bx
		3536
		3537	; mov dx,0
		3538	xor dx,dx
		3539	cmp ax,dx
		3540	jge mnb22
		3541	; mov ax,0
		3542	xor ax,ax
		3543	mnb22:
		3544	mov [0xfb0a],word ax
		3545
		3546	mov edx,[0xfe04] ; bigger than maximum
		3547	cmp ebx,edx
		3548	jb mnb1
		3549	mov bx,[0xfe04]
		3550	mnb1:
		3551	mov [0xfb0c],word bx
		3552
		3553	mov edx,[0xfe00]
		3554	cmp eax,edx
		3555	jb mnb2
		3556	mov ax,[0xfe00]
		3557	mnb2:
		3558	mov [0xfb0a],word ax
		3559
		3560
		3561	; ** NEXT DATA BYTE FROM MOUSE BUFFER **
		3562
		3563	decm:
		3564
		3565	mov edi,[mousecount] ; decrease counter
		3566	dec dword [edi]
		3567
		3568	mov esi,[mousedata]
		3569	mov edi,esi
		3570	inc esi
		3571	; mov ecx,250
		3572	mov ecx,[mousecount]
		3573	mov ecx,[ecx]
		3574	cld
		3575	rep movsb
		3576
		3577	jmp uusicheckmouse
		3578
		3579	checkmouseret:
		3580
		3581	cmp [0xfb44],byte 0
		3582	jne cmret
		3583
		3584	cmp [0xfb40],byte 0
		3585	je cmret
		3586
		3587	mov [0xfff4],byte 0
		3588	mov [0xfff5],byte 0
		3589
		3590	cmret:
		3591
		3592	popad
		3593
		3594	ret
		3595
		3596
		3597	draw_mouse_under:
		3598
		3599	; return old picture
		3600	; cli
		3601
		3602	pushad
		3603
		3604	xor ecx,ecx
		3605	xor edx,edx
		3606
		3607	;cli ; !!!****
		3608	align 4
		3609	mres:
		3610
		3611	movzx eax,word [0xfb4a]
		3612	movzx ebx,word [0xfb4c]
		3613
		3614	add eax,ecx
		3615	add ebx,edx
		3616
		3617	push ecx
		3618	push edx
		3619	push eax
		3620	push ebx
		3621
		3622	mov eax,edx
		3623	shl eax,6
		3624	shl ecx,2
		3625	add eax,ecx
		3626	add eax,mouseunder
		3627	mov ecx,[eax]
		3628
		3629	pop ebx
		3630	pop eax
		3631
		3632	;;;push edi
		3633	mov edi,1 ;force
		3634	call [putpixel]
		3635	;;;pop edi
		3636
		3637	pop edx
		3638	pop ecx
		3639
		3640	inc ecx
		3641	cmp ecx, 16
		3642	jnz mres
		3643	xor ecx, ecx
		3644	inc edx
		3645	cmp edx, 24
		3646	jnz mres
		3647	;sti ; !!!****
		3648
		3649	popad
		3650
		3651	; sti
		3652
		3653	ret
		3654
		3655
		3656	save_draw_mouse:
		3657
		3658	; save & draw
		3659	; cli
		3660
		3661	mov [0xfb4a],ax
		3662	mov [0xfb4c],bx
		3663	push eax
		3664	push ebx
		3665	mov ecx,0
		3666	mov edx,0
		3667
		3668	;cli ; !!!****
		3669
		3670	drm:
		3671
		3672	push eax
		3673	push ebx
		3674	push ecx
		3675	push edx
		3676
		3677	; helloworld
		3678	push eax ebx ecx
		3679	add eax,ecx ; save picture under mouse
		3680	add ebx,edx
		3681	push ecx
		3682	call getpixel
		3683	mov [0xfb30],ecx
		3684	pop ecx
		3685	mov eax,edx
		3686	shl eax,6
		3687	shl ecx,2
		3688	add eax,ecx
		3689	add eax,mouseunder
		3690	mov ebx,[0xfb30]
		3691	mov [eax],ebx
		3692	pop ecx ebx eax
		3693
		3694	mov edi,edx ; y cycle
		3695	shl edi,4 ; *16 bytes per row
		3696	add edi,ecx ; x cycle
		3697	mov esi, edi
		3698	add edi, esi
		3699	add edi, esi ; *3
		3700	add edi,[0xf200] ; we have our str address
		3701	mov esi, edi
		3702	add esi, 16243
		3703	push ecx
		3704	mov ecx, [0xfb30]
		3705	call combine_colors
		3706	mov [0xfb10], ecx
		3707	pop ecx
		3708
		3709
		3710	pop edx
		3711	pop ecx
		3712	pop ebx
		3713	pop eax
		3714
		3715	add eax,ecx ; we have x coord+cycle
		3716	add ebx,edx ; and y coord+cycle
		3717
		3718	push ecx edi
		3719	mov ecx, [0xfb10]
		3720	mov edi, 1
		3721	call [putpixel]
		3722	pop edi ecx
		3723
		3724	mnext:
		3725
		3726	mov ebx,[esp+0] ; pure y coord again
		3727	mov eax,[esp+4] ; and x
		3728
		3729	inc ecx ; +1 cycle
		3730	cmp ecx,16 ; if more than 16
		3731	jnz drm
		3732	xor ecx, ecx
		3733	inc edx
		3734	cmp edx,24
		3735	jnz drm
		3736
		3737	pop ebx
		3738	pop eax
		3739
		3740	; sti ; !!!****
		3741
		3742	ret
		3743
		3744
		3745	combine_colors:
		3746
		3747	; in
		3748	; ecx - color ( 00 RR GG BB )
		3749	; edi - ref to new color byte
		3750	; esi - ref to alpha byte
		3751	;
		3752	; out
		3753	; ecx - new color ( roughly (ecx[esi]>>8)+([edi][esi]>>8) )
		3754
		3755	push eax
		3756	push ebx
		3757	push edx
		3758	push ecx
		3759	xor ecx, ecx
		3760	; byte 2
		3761	mov eax, 0xff
		3762	sub al, [esi+0]
		3763	mov ebx, [esp]
		3764	shr ebx, 16
		3765	and ebx, 0xff
		3766	mul ebx
		3767	shr eax, 8
		3768	add ecx, eax
		3769	; xor eax, eax
		3770	; xor ebx, ebx
		3771	; mov al, [edi+0]
		3772	; mov bl, [esi+0]
		3773	movzx eax, byte [edi+0]
		3774	movzx ebx, byte [esi+0]
		3775	mul ebx
		3776	shr eax, 8
		3777	add ecx, eax
		3778	shl ecx, 8
		3779	; byte 1
		3780	mov eax, 0xff
		3781	sub al, [esi+1]
		3782	mov ebx, [esp]
		3783	shr ebx, 8
		3784	and ebx, 0xff
		3785	mul ebx
		3786	shr eax, 8
		3787	add ecx, eax
		3788	; xor eax, eax
		3789	; xor ebx, ebx
		3790	; mov al, [edi+1]
		3791	; mov bl, [esi+1]
		3792	movzx eax, byte [edi+1]
		3793	movzx ebx, byte [esi+1]
		3794	mul ebx
		3795	shr eax, 8
		3796	add ecx, eax
		3797	shl ecx, 8
		3798	; byte 2
		3799	mov eax, 0xff
		3800	sub al, [esi+2]
		3801	mov ebx, [esp]
		3802	and ebx, 0xff
		3803	mul ebx
		3804	shr eax, 8
		3805	add ecx, eax
		3806	; xor eax, eax
		3807	; xor ebx, ebx
		3808	; mov al, [edi+2]
		3809	; mov bl, [esi+2]
		3810	movzx eax, byte [edi+2]
		3811	movzx ebx, byte [esi+2]
		3812	mul ebx
		3813	shr eax, 8
		3814	add ecx, eax
		3815
		3816	pop eax
		3817	pop edx
		3818	pop ebx
		3819	pop eax
		3820	ret
		3821
		3822
		3823	__sys_disable_mouse:
		3824
		3825	pushad
		3826
		3827	cmp [0x3000],dword 1
		3828	je disable_m
		3829
		3830	mov edx,[0x3000]
		3831	shl edx,5
		3832	add edx,window_data
		3833
		3834	movzx eax, word [0xfb0a]
		3835	movzx ebx, word [0xfb0c]
		3836
		3837	mov ecx,[0xfe00]
		3838	inc ecx
		3839	imul ecx,ebx
		3840	add ecx,eax
		3841	add ecx, display_data
		3842
		3843	movzx eax, byte [edx+twdw+0xe]
		3844
		3845	movzx ebx, byte [ecx]
		3846	cmp eax,ebx
		3847	je yes_mouse_disable
		3848	movzx ebx, byte [ecx+16]
		3849	cmp eax,ebx
		3850	je yes_mouse_disable
		3851
		3852	mov ebx,[0xfe00]
		3853	inc ebx
		3854	imul ebx,10
		3855	add ecx,ebx
		3856
		3857	movzx ebx, byte [ecx]
		3858	cmp eax,ebx
		3859	je yes_mouse_disable
		3860
		3861	mov ebx,[0xfe00]
		3862	inc ebx
		3863	imul ebx,10
		3864	add ecx,ebx
		3865
		3866	movzx ebx, byte [ecx]
		3867	cmp eax,ebx
		3868	je yes_mouse_disable
		3869	movzx ebx, byte [ecx+16]
		3870	cmp eax,ebx
		3871	je yes_mouse_disable
		3872
		3873	jmp no_mouse_disable
		3874
		3875	yes_mouse_disable:
		3876
		3877	mov edx,[0x3000]
		3878	shl edx,5
		3879	add edx,window_data
		3880
		3881	movzx eax, word [0xfb0a]
		3882	movzx ebx, word [0xfb0c]
		3883
		3884	mov ecx,[edx+0] ; mouse inside the area ?
		3885	add eax,14
		3886	cmp eax,ecx
		3887	jb no_mouse_disable
		3888	sub eax,14
		3889
		3890	add ecx,[edx+8]
		3891	cmp eax,ecx
		3892	jg no_mouse_disable
		3893
		3894	mov ecx,[edx+4]
		3895	add ebx,20
		3896	cmp ebx,ecx
		3897	jb no_mouse_disable
		3898	sub ebx,20
		3899
		3900	add ecx,[edx+12]
		3901	cmp ebx,ecx
		3902	jg no_mouse_disable
		3903
		3904	disable_m:
		3905
		3906	cmp dword [0xf204],dword 0
		3907	jne @f
		3908	call draw_mouse_under
		3909	@@:
		3910
		3911	mov [0xf204],dword 1
		3912
		3913	no_mouse_disable:
		3914
		3915	popad
		3916
		3917	ret
		3918
		3919
		3920
		3921	__sys_draw_pointer:
		3922	cli
		3923
		3924	pushad
		3925
		3926	cmp dword [0xf204],dword 0 ; mouse visible ?
		3927	je chms00
		3928
		3929	dec dword [0xf204]
		3930
		3931	cmp [0xf204],dword 0
		3932	jnz nodmu2
		3933
		3934	movzx ebx,word [0xfb0c]
		3935	movzx eax,word [0xfb0a]
		3936	call save_draw_mouse
		3937
		3938	popad
		3939	sti
		3940	ret
		3941
		3942	nodmu2:
		3943
		3944	popad
		3945	sti
		3946	ret
		3947
		3948	chms00:
		3949
		3950	; popad
		3951
		3952	; pushad
		3953
		3954	; cmp [0xf204],dword 0
		3955	; jne nodmp
		3956
		3957	movzx ecx,word [0xfb4a]
		3958	movzx edx,word [0xfb4c]
		3959
		3960	movzx ebx,word [0xfb0c]
		3961	movzx eax,word [0xfb0a]
		3962
		3963	cmp eax,ecx
		3964	jne redrawmouse
		3965
		3966	cmp ebx,edx
		3967	jne redrawmouse
		3968
		3969	jmp nodmp
		3970
		3971	redrawmouse:
		3972
		3973
		3974	call draw_mouse_under
		3975	redrawmouse_1:
		3976	call save_draw_mouse
		3977
		3978	nodmp:
		3979
		3980	popad
		3981	sti
		3982	ret
		3983
		3984
		3985
		3986	calculatebackground: ; background
		3987
		3988	; all black
		3989
		3990	mov [display_data-8],dword 4 ; size x
		3991	mov [display_data-4],dword 2 ; size y
		3992
		3993	mov edi, 0x300000 ; set background to black
		3994	xor eax, eax
		3995	mov ecx, 0x0fff00 / 4
		3996	cld
		3997	rep stosd
		3998
		3999	mov edi,display_data ; set os to use all pixels
		4000	mov eax,0x01010101
		4001	mov ecx,0x1fff00 / 4
		4002	rep stosd
		4003
		4004	mov byte [0xFFF0], 0 ; do not draw background!
		4005
		4006	ret
		4007
		4008	uglobal
		4009	imax dd 0x0
		4010	endg
		4011
		4012
		4013
		4014	delay_ms: ; delay in 1/1000 sec
		4015
		4016
		4017	push eax
		4018	push ecx
		4019
		4020	mov ecx,esi
		4021	;
		4022	imul ecx, 33941
		4023	shr ecx, 9
		4024	;
		4025
		4026	in al,0x61
		4027	and al,0x10
		4028	mov ah,al
		4029	cld
		4030
		4031	cnt1: in al,0x61
		4032	and al,0x10
		4033	cmp al,ah
		4034	jz cnt1
		4035
		4036	mov ah,al
		4037	loop cnt1
		4038
		4039	pop ecx
		4040	pop eax
		4041
		4042	ret
		4043
		4044
		4045	set_app_param:
		4046	push edi
		4047
		4048	mov edi,[0x3010]
		4049	mov [edi],eax
		4050
		4051	pop edi
		4052	ret
		4053
		4054
		4055
		4056	delay_hs: ; delay in 1/100 secs
		4057	push eax
		4058	push ecx
		4059	push edx
		4060
		4061	mov edx,[timer_ticks];[0xfdf0]
		4062	add edx,eax
		4063
		4064	newtic:
		4065	mov ecx,[timer_ticks];[0xfdf0]
		4066	cmp edx,ecx
		4067	jbe zerodelay
		4068
		4069	call change_task
		4070
		4071	jmp newtic
		4072
		4073	zerodelay:
		4074	pop edx
		4075	pop ecx
		4076	pop eax
		4077
		4078	ret
		4079
		4080
		4081	memmove: ; memory move in bytes
		4082
		4083	; eax = from
		4084	; ebx = to
		4085	; ecx = no of bytes
		4086	test ecx, ecx
		4087	jle .ret
		4088
		4089
		4090	push esi edi ecx
		4091
		4092	mov edi, ebx
		4093	mov esi, eax
		4094
		4095	test ecx, not 11b
		4096	jz @f
		4097
		4098	push ecx
		4099	shr ecx, 2
		4100	rep movsd
		4101	pop ecx
		4102	and ecx, 11b
		4103	jz .finish
		4104	@@:
		4105	rep movsb
		4106
		4107	.finish:
		4108	pop ecx edi esi
		4109	.ret:
		4110	ret
		4111
		4112
		4113	align 4
		4114
		4115	read_floppy_file:
		4116
		4117	; as input
		4118	;
		4119	; eax pointer to file
		4120	; ebx file lenght
		4121	; ecx start 512 byte block number
		4122	; edx number of blocks to read
		4123	; esi pointer to return/work area (atleast 20 000 bytes)
		4124	;
		4125	;
		4126	; on return
		4127	;
		4128	; eax = 0 command succesful
		4129	; 1 no fd base and/or partition defined
		4130	; 2 yet unsupported FS
		4131	; 3 unknown FS
		4132	; 4 partition not defined at hd
		4133	; 5 file not found
		4134	; ebx = size of file
		4135
		4136	mov edi,[0x3010]
		4137	add edi,0x10
		4138	add esi,[edi]
		4139	add eax,[edi]
		4140
		4141	pushad
		4142	mov edi,esi
		4143	add edi,1024
		4144	mov esi,0x100000+19*512
		4145	sub ecx,1
		4146	shl ecx,9
		4147	add esi,ecx
		4148	shl edx,9
		4149	mov ecx,edx
		4150	cld
		4151	rep movsb
		4152	popad
		4153
		4154	mov [esp+36],eax
		4155	mov [esp+24],ebx
		4156	ret
		4157
		4158
		4159
		4160	align 4
		4161
		4162	sys_programirq:
		4163
		4164	mov edi,[0x3010]
		4165	add edi,0x10
		4166	add eax,[edi]
		4167
		4168	mov edx,ebx
		4169	shl edx,2
		4170	add edx,irq_owner
		4171	mov edx,[edx]
		4172	mov edi,[0x3010]
		4173	mov edi,[edi+0x4]
		4174	cmp edx,edi
		4175	je spril1
		4176	mov [esp+36],dword 1
		4177	ret
		4178	spril1:
		4179
		4180	mov esi,eax
		4181	shl ebx,6
		4182	add ebx,irq00read
		4183	mov edi,ebx
		4184	mov ecx,16
		4185	cld
		4186	rep movsd
		4187	mov [esp+36],dword 0
		4188	ret
		4189
		4190
		4191	align 4
		4192
		4193	get_irq_data:
		4194
		4195	mov edx,eax ; check for correct owner
		4196	shl edx,2
		4197	add edx,irq_owner
		4198	mov edx,[edx]
		4199	mov edi,[0x3010]
		4200	mov edi,[edi+0x4]
		4201	cmp edx,edi
		4202	je gidril1
		4203	mov [esp+36],eax
		4204	mov [esp+32],dword 2
		4205	mov [esp+24],ebx
		4206	ret
		4207
		4208	gidril1:
		4209
		4210	mov ebx,eax
		4211	shl ebx,12
		4212	add ebx,0x2e0000
		4213	mov eax,[ebx]
		4214	mov ecx,1
		4215	test eax,eax
		4216	jz gid1
		4217
		4218	dec eax
		4219	mov esi,ebx
		4220	mov [ebx],eax
		4221	movzx ebx,byte [ebx+0x10]
		4222	add esi,0x10
		4223	mov edi,esi
		4224	inc esi
		4225	mov ecx,4000 / 4
		4226	cld
		4227	rep movsd
		4228	xor ecx,ecx
		4229	gid1:
		4230	mov [esp+36],eax
		4231	mov [esp+32],ecx
		4232	mov [esp+24],ebx
		4233	ret
		4234
		4235
		4236	set_io_access_rights:
		4237
		4238	pushad
		4239
		4240	mov edi,[0x3000]
		4241	imul edi,tss_step
		4242	add edi,tss_data+128
		4243	; add edi,128
		4244
		4245	mov ecx,eax
		4246	and ecx,7 ; offset in byte
		4247
		4248	shr eax,3 ; number of byte
		4249	add edi,eax
		4250
		4251	mov ebx,1
		4252	shl ebx,cl
		4253
		4254	cmp ebp,0 ; enable access - ebp = 0
		4255	jne siar1
		4256
		4257	not ebx
		4258	and [edi],byte bl
		4259
		4260	popad
		4261
		4262	ret
		4263
		4264	siar1:
		4265
		4266	or [edi],byte bl ; disable access - ebp = 1
		4267
		4268	popad
		4269
		4270	ret
		4271
		4272
		4273
		4274
		4275
		4276	r_f_port_area:
		4277
		4278	test eax, eax
		4279	jnz free_port_area
		4280	; je r_port_area
		4281	; jmp free_port_area
		4282
		4283	; r_port_area:
		4284
		4285	pushad
		4286
		4287	cmp ebx,ecx ; beginning > end ?
		4288	jg rpal1
		4289	mov esi,[0x2d0000]
		4290	cmp esi,0 ; no reserved areas ?
		4291	je rpal2
		4292	cmp esi,255 ; max reserved
		4293	jge rpal1
		4294	rpal3:
		4295	mov edi,esi
		4296	shl edi,4
		4297	add edi,0x2d0000
		4298	cmp ebx,[edi+8]
		4299	jg rpal4
		4300	cmp ecx,[edi+4]
		4301	jae rpal1
		4302	; jb rpal4
		4303	; jmp rpal1
		4304	rpal4:
		4305
		4306	dec esi
		4307	jnz rpal3
		4308	jmp rpal2
		4309	rpal1:
		4310	popad
		4311	mov eax,1
		4312	ret
		4313
		4314	rpal2:
		4315	popad
		4316
		4317
		4318	; enable port access at port IO map
		4319	cli
		4320	pushad ; start enable io map
		4321
		4322	cmp ecx,65536 ;16384
		4323	jae no_unmask_io ; jge
		4324
		4325	mov eax,ebx
		4326
		4327	new_port_access:
		4328
		4329	pushad
		4330
		4331	mov ebp,0 ; enable - eax = port
		4332	call set_io_access_rights
		4333
		4334	popad
		4335
		4336	inc eax
		4337	cmp eax,ecx
		4338	jbe new_port_access
		4339
		4340	no_unmask_io:
		4341
		4342	popad ; end enable io map
		4343	sti
		4344
		4345	mov edi,[0x2d0000]
		4346	add edi,1
		4347	mov [0x2d0000],edi
		4348	shl edi,4
		4349	add edi,0x2d0000
		4350	mov esi,[0x3010]
		4351	mov esi,[esi+0x4]
		4352	mov [edi],esi
		4353	mov [edi+4],ebx
		4354	mov [edi+8],ecx
		4355
		4356	xor eax, eax
		4357	ret
		4358
		4359
		4360
		4361
		4362	free_port_area:
		4363
		4364	pushad
		4365
		4366	mov esi,[0x2d0000] ; no reserved areas ?
		4367	cmp esi,0
		4368	je frpal2
		4369	mov edx,[0x3010]
		4370	mov edx,[edx+4]
		4371	frpal3:
		4372	mov edi,esi
		4373	shl edi,4
		4374	add edi,0x2d0000
		4375	cmp edx,[edi]
		4376	jne frpal4
		4377	cmp ebx,[edi+4]
		4378	jne frpal4
		4379	cmp ecx,[edi+8]
		4380	jne frpal4
		4381	jmp frpal1
		4382	frpal4:
		4383	dec esi
		4384	jnz frpal3
		4385	frpal2:
		4386	popad
		4387	mov eax,1
		4388	ret
		4389	frpal1:
		4390	mov ecx,256
		4391	sub ecx,esi
		4392	shl ecx,4
		4393	mov esi,edi
		4394	add esi,16
		4395	cld
		4396	rep movsb
		4397
		4398	dec dword [0x2d0000]
		4399
		4400	popad
		4401
		4402
		4403	; disable port access at port IO map
		4404
		4405	pushad ; start disable io map
		4406
		4407	cmp ecx,65536 ;16384
		4408	jge no_mask_io
		4409
		4410	mov eax,ebx
		4411
		4412	new_port_access_disable:
		4413
		4414	pushad
		4415
		4416	mov ebp,1 ; disable - eax = port
		4417	call set_io_access_rights
		4418
		4419	popad
		4420
		4421	inc eax
		4422	cmp eax,ecx
		4423	jbe new_port_access_disable
		4424
		4425	no_mask_io:
		4426
		4427	popad ; end disable io map
		4428
		4429	xor eax, eax
		4430	ret
		4431
		4432
		4433	reserve_free_irq:
		4434
		4435	cmp eax,0
		4436	jz reserve_irq
		4437
		4438	mov edi,ebx
		4439	shl edi,2
		4440	add edi,irq_owner
		4441	mov edx,[edi]
		4442	mov eax,[0x3010]
		4443	mov eax,[eax+0x4]
		4444	mov ecx,1
		4445	cmp edx,eax
		4446	jne fril1
		4447	mov [edi],dword 0
		4448	mov ecx,0
		4449	fril1:
		4450	mov [esp+36],ecx ; return in eax
		4451	ret
		4452
		4453	reserve_irq:
		4454
		4455	mov edi,ebx
		4456	shl edi,2
		4457	add edi,irq_owner
		4458	mov edx,[edi]
		4459	mov ecx,1
		4460	cmp edx,0
		4461	jne ril1
		4462
		4463	mov edx,[0x3010]
		4464	mov edx,[edx+0x4]
		4465	mov [edi],edx
		4466	mov ecx,0
		4467
		4468	ril1:
		4469
		4470	mov [esp+36],ecx ; return in eax
		4471
		4472	ret
		4473
		4474
		4475
		4476	drawbackground:
		4477
		4478	cmp [0xfe0c],word 0x12
		4479	jne dbrv12
		4480	cmp [display_data-12],dword 1
		4481	jne bgrstr12
		4482	call vga_drawbackground_tiled
		4483	ret
		4484	bgrstr12:
		4485	call vga_drawbackground_stretch
		4486	ret
		4487	dbrv12:
		4488
		4489	cmp [0xfe0c],word 0100000000000000b
		4490	jge dbrv20
		4491	cmp [0xfe0c],word 0x13
		4492	je dbrv20
		4493	call vesa12_drawbackground
		4494	ret
		4495	dbrv20:
		4496	cmp [display_data-12],dword 1
		4497	jne bgrstr
		4498	call vesa20_drawbackground_tiled
		4499	ret
		4500	bgrstr:
		4501	call vesa20_drawbackground_stretch
		4502	ret
		4503
		4504
		4505	sys_putimage:
		4506
		4507	cmp [0xfe0c],word 0x12
		4508	jne spiv20
		4509	call vga_putimage
		4510	ret
		4511	spiv20:
		4512
		4513	cmp [0xfe0c],word 0100000000000000b
		4514	jge piv20
		4515	cmp [0xfe0c],word 0x13
		4516	je piv20
		4517	call vesa12_putimage
		4518	ret
		4519	piv20:
		4520	call vesa20_putimage
		4521	ret
		4522
		4523
		4524
		4525	; eax x beginning
		4526	; ebx y beginning
		4527	; ecx x end
		4528	; edx y end
		4529	; edi color
		4530
		4531	__sys_drawbar:
		4532
		4533	cmp [0xfe0c],word 0x12
		4534	jne sdbv20
		4535	call vga_drawbar
		4536	ret
		4537	sdbv20:
		4538
		4539	cmp [0xfe0c],word 0100000000000000b
		4540	jge dbv20
		4541	cmp [0xfe0c],word 0x13
		4542	je dbv20
		4543	call vesa12_drawbar
		4544	ret
		4545
		4546	dbv20:
		4547
		4548	call vesa20_drawbar
		4549	ret
		4550
		4551
		4552
		4553	kb_read:
		4554
		4555	push ecx edx
		4556
		4557	mov ecx,0xffff
		4558	kr_loop:
		4559	in al,0x64
		4560	test al,1
		4561	jnz kr_ready
		4562	loop kr_loop
		4563	mov ah,1
		4564	jmp kr_exit
		4565	kr_ready:
		4566	push ecx
		4567	mov ecx,32
		4568	kr_delay:
		4569	loop kr_delay
		4570	pop ecx
		4571	in al,0x60
		4572	xor ah,ah
		4573	kr_exit:
		4574
		4575	pop edx ecx
		4576
		4577	ret
		4578
		4579
		4580	kb_write:
		4581
		4582	push ecx edx
		4583
		4584	mov dl,al
		4585	mov ecx,0xffff
		4586	kw_loop1:
		4587	in al,0x64
		4588	test al,0x20
		4589	jz kw_ok1
		4590	loop kw_loop1
		4591	mov ah,1
		4592	jmp kw_exit
		4593	kw_ok1:
		4594	in al,0x60
		4595	mov ecx,0xffff
		4596	kw_loop:
		4597	in al,0x64
		4598	test al,2
		4599	jz kw_ok
		4600	loop kw_loop
		4601	mov ah,1
		4602	jmp kw_exit
		4603	kw_ok:
		4604	mov al,dl
		4605	out 0x60,al
		4606	mov ecx,0xffff
		4607	kw_loop3:
		4608	in al,0x64
		4609	test al,2
		4610	jz kw_ok3
		4611	loop kw_loop3
		4612	mov ah,1
		4613	jmp kw_exit
		4614	kw_ok3:
		4615	mov ah,8
		4616	kw_loop4:
		4617	mov ecx,0xffff
		4618	kw_loop5:
		4619	in al,0x64
		4620	test al,1
		4621	jnz kw_ok4
		4622	loop kw_loop5
		4623	dec ah
		4624	jnz kw_loop4
		4625	kw_ok4:
		4626	xor ah,ah
		4627	kw_exit:
		4628
		4629	pop edx ecx
		4630
		4631	ret
		4632
		4633
		4634	kb_cmd:
		4635
		4636	mov ecx,0xffff
		4637	c_wait:
		4638	in al,0x64
		4639	test al,2
		4640	jz c_send
		4641	loop c_wait
		4642	jmp c_error
		4643	c_send:
		4644	mov al,bl
		4645	out 0x64,al
		4646	mov ecx,0xffff
		4647	c_accept:
		4648	in al,0x64
		4649	test al,2
		4650	jz c_ok
		4651	loop c_accept
		4652	c_error:
		4653	mov ah,1
		4654	jmp c_exit
		4655	c_ok:
		4656	xor ah,ah
		4657	c_exit:
		4658	ret
		4659
		4660
		4661	setmouse: ; set mousepicture -pointer
		4662	; ps2 mouse enable
		4663
		4664	mov [0xf200],dword mousepointer
		4665
		4666	cli
		4667	mov bl,0xa8 ; enable mouse cmd
		4668	call kb_cmd
		4669	call kb_read ; read status
		4670
		4671	mov bl,0x20 ; get command byte
		4672	call kb_cmd
		4673	call kb_read
		4674	or al,3 ; enable interrupt
		4675	mov bl,0x60 ; write command
		4676	push eax
		4677	call kb_cmd
		4678	pop eax
		4679	call kb_write
		4680
		4681	mov bl,0xd4 ; for mouse
		4682	call kb_cmd
		4683	mov al,0xf4 ; enable mouse device
		4684	call kb_write
		4685	call kb_read ; read status return
		4686
		4687	; com1 mouse enable
		4688
		4689	mov bx,0x3f8 ; combase
		4690
		4691	mov dx,bx
		4692	add dx,3
		4693	mov al,0x80
		4694	out dx,al
		4695
		4696	mov dx,bx
		4697	add dx,1
		4698	mov al,0
		4699	out dx,al
		4700
		4701	mov dx,bx
		4702	add dx,0
		4703	mov al,0x30*2 ; 0x30 / 4
		4704	out dx,al
		4705
		4706	mov dx,bx
		4707	add dx,3
		4708	mov al,2 ; 3
		4709	out dx,al
		4710
		4711	mov dx,bx
		4712	add dx,4
		4713	mov al,0xb
		4714	out dx,al
		4715
		4716	mov dx,bx
		4717	add dx,1
		4718	mov al,1
		4719	out dx,al
		4720
		4721
		4722	; com2 mouse enable
		4723
		4724	mov bx,0x2f8 ; combase
		4725
		4726	mov dx,bx
		4727	add dx,3
		4728	mov al,0x80
		4729	out dx,al
		4730
		4731	mov dx,bx
		4732	add dx,1
		4733	mov al,0
		4734	out dx,al
		4735
		4736	mov dx,bx
		4737	add dx,0
		4738	mov al,0x30*2
		4739	out dx,al
		4740
		4741	mov dx,bx
		4742	add dx,3
		4743	mov al,2
		4744	out dx,al
		4745
		4746	mov dx,bx
		4747	add dx,4
		4748	mov al,0xb
		4749	out dx,al
		4750
		4751	mov dx,bx
		4752	add dx,1
		4753	mov al,1
		4754	out dx,al
		4755
		4756	ret
		4757
		4758
		4759	_rdtsc:
		4760
		4761	mov edx,[cpuid_1+3*4]
		4762	test edx,00010000b
		4763	jz ret_rdtsc
		4764	rdtsc
		4765	ret
		4766	ret_rdtsc:
		4767	mov edx,0xffffffff
		4768	mov eax,0xffffffff
		4769	ret
		4770
		4771
		4772
		4773	rerouteirqs:
		4774
		4775	cli
		4776
		4777	mov al,0x11 ; icw4, edge triggered
		4778	out 0x20,al
		4779	call pic_delay
		4780	out 0xA0,al
		4781	call pic_delay
		4782
		4783	mov al,0x20 ; generate 0x20 +
		4784	out 0x21,al
		4785	call pic_delay
		4786	mov al,0x28 ; generate 0x28 +
		4787	out 0xA1,al
		4788	call pic_delay
		4789
		4790	mov al,0x04 ; slave at irq2
		4791	out 0x21,al
		4792	call pic_delay
		4793	mov al,0x02 ; at irq9
		4794	out 0xA1,al
		4795	call pic_delay
		4796
		4797	mov al,0x01 ; 8086 mode
		4798	out 0x21,al
		4799	call pic_delay
		4800	out 0xA1,al
		4801	call pic_delay
		4802
		4803	mov al,255 ; mask all irq's
		4804	out 0xA1,al
		4805	call pic_delay
		4806	out 0x21,al
		4807	call pic_delay
		4808
		4809	mov ecx,0x1000
		4810	cld
		4811	picl1: call pic_delay
		4812	loop picl1
		4813
		4814	mov al,255 ; mask all irq's
		4815	out 0xA1,al
		4816	call pic_delay
		4817	out 0x21,al
		4818	call pic_delay
		4819
		4820	cli
		4821
		4822	ret
		4823
		4824
		4825	pic_delay:
		4826
		4827	jmp pdl1
		4828	pdl1: ret
		4829
		4830
		4831	sys_msg_board_str:
		4832
		4833	pushad
		4834	@@:
		4835	cmp [esi],byte 0
		4836	je @f
		4837	mov eax,1
		4838	movzx ebx,byte [esi]
		4839	call sys_msg_board
		4840	inc esi
		4841	jmp @b
		4842	@@:
		4843	popad
		4844	ret
		4845
		4846	uglobal
		4847	msg_board_data: times 512 db 0
		4848	msg_board_count dd 0x0
		4849	endg
		4850
		4851	sys_msg_board:
		4852
		4853	; eax=1 : write : bl byte to write
		4854	; eax=2 : read : ebx=0 -> no data, ebx=1 -> data in al
		4855
		4856	mov ecx,[msg_board_count]
		4857	cmp eax, 1
		4858	jne smbl1
		4859
		4860
		4861	mov [msg_board_data+ecx],bl
		4862	inc ecx
		4863	and ecx, 511
		4864	mov [msg_board_count], ecx
		4865	mov [check_idle_semaphore], 5
		4866	ret
		4867	smbl1:
		4868
		4869	cmp eax, 2
		4870	jne smbl2
		4871	test ecx, ecx
		4872	jz smbl21
		4873	; mov edi, msg_board_data
		4874	; mov esi, msg_board_data+1
		4875	; movzx eax, byte [edi]
		4876	mov eax, msg_board_data+1
		4877	mov ebx, msg_board_data
		4878	movzx edx, byte [ebx]
		4879	call memmove
		4880	; push ecx
		4881	; shr ecx, 2
		4882	; cld
		4883	; rep movsd
		4884	; pop ecx
		4885	; and ecx, 3
		4886	; rep movsb
		4887	dec [msg_board_count]
		4888	mov [esp+36], edx ;eax
		4889	mov [esp+24], dword 1
		4890	ret
		4891	smbl21:
		4892	mov [esp+36], ecx
		4893	mov [esp+24], ecx
		4894
		4895	smbl2:
		4896	ret
		4897
		4898
		4899
		4900	sys_trace:
		4901
		4902	test eax, eax ; get event data
		4903	jnz no_get_sys_events
		4904
		4905	mov esi,save_syscall_data ; data
		4906	mov edi,[0x3010]
		4907	mov edi,[edi+0x10]
		4908	add edi,ebx
		4909	cld
		4910	rep movsb
		4911
		4912	mov [esp+24],dword 0
		4913	mov eax,[save_syscall_count] ; count
		4914	mov [esp+36],eax
		4915	ret
		4916
		4917	no_get_sys_events:
		4918
		4919	ret
		4920
		4921
		4922	sys_process_def:
		4923
		4924	cmp eax,1 ; set keyboard mode
		4925	jne no_set_keyboard_setup
		4926
		4927	mov edi,[0x3000]
		4928	shl edi,8
		4929	add edi,0x80000+0xB4
		4930	mov [edi],bl
		4931
		4932	ret
		4933
		4934	no_set_keyboard_setup:
		4935
		4936	cmp eax,2 ; get keyboard mode
		4937	jne no_get_keyboard_setup
		4938
		4939	mov edi,[0x3000]
		4940	shl edi,8
		4941	add edi,0x80000+0xB4
		4942	movzx eax, byte [edi]
		4943
		4944	mov [esp+36],eax
		4945
		4946	ret
		4947
		4948	no_get_keyboard_setup:
		4949
		4950	cmp eax,3 ; get keyboard ctrl, alt, shift
		4951	jne no_get_keyboard_cas
		4952
		4953	; xor eax,eax
		4954	; movzx eax,byte [shift]
		4955	; movzx ebx,byte [ctrl]
		4956	; shl ebx,2
		4957	; add eax,ebx
		4958	; movzx ebx,byte [alt]
		4959	; shl ebx,3
		4960	; add eax,ebx
		4961
		4962	;// mike.dld [
		4963	mov eax, [kb_state]
		4964	;// mike.dld ]
		4965
		4966	mov [esp+36],eax
		4967
		4968	ret
		4969
		4970	no_get_keyboard_cas:
		4971
		4972
		4973	ret
		4974
		4975
		4976	sys_ipc:
		4977	cmp eax,1 ; DEFINE IPC MEMORY
		4978	jne no_ipc_def
		4979	mov edi,[0x3000]
		4980	shl edi,8
		4981	add edi,0x80000
		4982	mov [edi+0xA0],ebx
		4983	mov [edi+0xA4],ecx
		4984	mov [esp+36],dword 0
		4985	ret
		4986	no_ipc_def:
		4987
		4988	cmp eax,2 ; SEND IPC MESSAGE
		4989	jne no_ipc_send
		4990	mov esi,1
		4991	mov edi,0x3020
		4992	ipcs1:
		4993	cmp [edi+4],ebx
		4994	je ipcs2
		4995	add edi,0x20
		4996	inc esi
		4997	cmp esi,[0x3004]
		4998	jbe ipcs1
		4999	mov [esp+36],dword 4
		5000	ret
		5001	ipcs2:
		5002
		5003	cli
		5004
		5005	push esi
		5006	mov eax,esi
		5007	shl eax,8
		5008	mov ebx,[eax+0x80000+0xa0]
		5009	test ebx,ebx ; ipc area not defined ?
		5010	je ipc_err1
		5011
		5012	add ebx,[eax+0x80000+0xa4]
		5013	mov eax,esi
		5014	shl eax,5
		5015	add ebx,[eax+0x3000+0x10] ; ebx <- max data position
		5016
		5017	mov eax,esi ; to
		5018	shl esi,8
		5019	add esi,0x80000
		5020	mov edi,[esi+0xa0]
		5021	shl eax,5
		5022	add eax,0x3000
		5023	add edi,[eax+0x10]
		5024
		5025	cmp [edi],byte 0 ; overrun ?
		5026	jne ipc_err2
		5027
		5028	mov ebp,edi
		5029	add edi,[edi+4]
		5030	add edi,8
		5031
		5032	mov esi,ecx ; from
		5033	mov eax,[0x3010]
		5034	mov eax,[eax+0x10]
		5035	add esi,eax
		5036
		5037	mov ecx,edx ; size
		5038
		5039	mov eax,edi
		5040	add eax,ecx
		5041	cmp eax,ebx
		5042	jge ipc_err3 ; not enough room ?
		5043
		5044	push ecx
		5045
		5046	mov eax,[0x3010]
		5047	mov eax,[eax+4]
		5048	mov [edi-8],eax
		5049	mov [edi-4],ecx
		5050	cld
		5051	rep movsb
		5052
		5053	pop ecx
		5054	add ecx,8
		5055
		5056	mov edi,ebp ; increase memory position
		5057	add dword [edi+4],ecx
		5058
		5059	mov edi,[esp]
		5060	shl edi,8
		5061	or dword [edi+0x80000+0xA8],dword 01000000b ; ipc message
		5062
		5063	cmp [check_idle_semaphore],dword 20
		5064	jge ipc_no_cis
		5065	mov [check_idle_semaphore],5
		5066	ipc_no_cis:
		5067
		5068	xor eax, eax
		5069
		5070	ipc_err:
		5071	add esp,4
		5072	mov [esp+36],eax
		5073	sti
		5074	ret
		5075
		5076	ipc_err1:
		5077	add esp,4
		5078	mov [esp+36],dword 1
		5079	sti
		5080	ret
		5081	ipc_err2:
		5082	add esp,4
		5083	mov [esp+36],dword 2
		5084	sti
		5085	ret
		5086	ipc_err3:
		5087	add esp,4
		5088	mov [esp+36],dword 3
		5089	sti
		5090	ret
		5091
		5092	no_ipc_send:
		5093
		5094	mov [esp+36],dword -1
		5095	ret
		5096
		5097
		5098	align 4
		5099
		5100	sys_gs: ; direct screen access
		5101
		5102	cmp eax,1 ; resolution
		5103	jne no_gs1
		5104	mov eax,[0xfe00]
		5105	shl eax,16
		5106	mov ax,[0xfe04]
		5107	add eax,0x00010001
		5108	mov [esp+36],eax
		5109	ret
		5110	no_gs1:
		5111
		5112	cmp eax,2 ; bits per pixel
		5113	jne no_gs2
		5114	movzx eax,byte [0xfbf1]
		5115	mov [esp+36],eax
		5116	ret
		5117	no_gs2:
		5118
		5119	cmp eax,3 ; bytes per scanline
		5120	jne no_gs3
		5121	mov eax,[0xfe08]
		5122	mov [esp+36],eax
		5123	ret
		5124	no_gs3:
		5125
		5126	mov [esp+36],dword -1
		5127	ret
		5128
		5129
		5130	align 4 ; PCI functions
		5131
		5132	sys_pci:
		5133
		5134	call pci_api
		5135	mov [esp+36],eax
		5136	ret
		5137
		5138
		5139	align 4 ; system functions
		5140
		5141	syscall_setpixel: ; SetPixel
		5142
		5143
		5144	mov edx,[0x3010]
		5145	add eax,[edx-twdw]
		5146	add ebx,[edx-twdw+4]
		5147	xor edi,edi ; no force
		5148	call [disable_mouse]
		5149	jmp [putpixel]
		5150
		5151	align 4
		5152
		5153	syscall_writetext: ; WriteText
		5154
		5155	mov edi,[0x3010]
		5156	mov ebp,[edi-twdw]
		5157	shl ebp,16
		5158	add ebp,[edi-twdw+4]
		5159	add edi,0x10
		5160	add ecx,[edi]
		5161	add eax,ebp
		5162	xor edi,edi
		5163	jmp dtext
		5164
		5165	align 4
		5166
		5167	syscall_openramdiskfile: ; OpenRamdiskFile
		5168
		5169
		5170	mov edi,[0x3010]
		5171	add edi,0x10
		5172	add eax,[edi]
		5173	add edx,[edi]
		5174	mov esi,12
		5175	call fileread
		5176	mov [esp+36],ebx
		5177	ret
		5178
		5179	align 4
		5180
		5181	syscall_putimage: ; PutImage
		5182
		5183	mov edi,[0x3010]
		5184	add edi,0x10
		5185	add eax,[edi]
		5186	mov edx,ecx
		5187	mov ecx,ebx
		5188	mov ebx,eax
		5189	call sys_putimage
		5190	mov [esp+36],eax
		5191	ret
		5192
		5193	align 4
		5194
		5195	syscall_drawrect: ; DrawRect
		5196
		5197	mov edi,ecx
		5198	test ax,ax
		5199	je drectr
		5200	test bx,bx
		5201	je drectr
		5202	movzx ecx,ax
		5203	shr eax,16
		5204	movzx edx,bx
		5205	shr ebx,16
		5206	add ecx,eax
		5207	add edx,ebx
		5208	jmp [drawbar]
		5209	drectr:
		5210	ret
		5211
		5212	align 4
		5213
		5214	syscall_getscreensize: ; GetScreenSize
		5215
		5216	movzx eax,word[0xfe00]
		5217	shl eax,16
		5218	mov ax,[0xfe04]
		5219	mov [esp+36],eax
		5220	ret
		5221
		5222	align 4
		5223
		5224	syscall_system: ; System
		5225
		5226	call sys_system
		5227	mov [esp+36],eax
		5228	ret
		5229
		5230	align 4
		5231
		5232	syscall_startapp: ; StartApp
		5233	mov edi,[0x3010]
		5234	add edi,0x10
		5235	add eax,[edi]
		5236	test ebx,ebx
		5237	jz noapppar
		5238	add ebx,[edi]
		5239	noapppar:
		5240	; call start_application_fl
		5241	call new_start_application_fl
		5242	mov [esp+36],eax
		5243	ret
		5244
		5245
		5246	align 4
		5247
		5248	syscall_cdaudio: ; CD
		5249
		5250	call sys_cd_audio
		5251	mov [esp+36],eax
		5252	ret
		5253
		5254	align 4
		5255
		5256	syscall_readhd: ; ReadHd
		5257
		5258	mov edi,[0x3010]
		5259	add edi,0x10
		5260	add esi,[edi]
		5261	add eax,[edi]
		5262	call read_hd_file
		5263	mov [esp+36],eax
		5264	mov [esp+24],ebx
		5265	ret
		5266
		5267	align 4
		5268
		5269	syscall_starthdapp: ; StartHdApp
		5270
		5271	mov edi,[0x3010]
		5272	add edi,0x10
		5273	add eax,[edi]
		5274	add ecx,[edi]
		5275	mov ebp,0
		5276	call start_application_hd
		5277	mov [esp+36],eax
		5278	ret
		5279
		5280	align 4
		5281
		5282	syscall_delramdiskfile: ; DelRamdiskFile
		5283
		5284	mov edi,[0x3010]
		5285	add edi,0x10
		5286	add eax,[edi]
		5287	call filedelete
		5288	mov [esp+36],eax
		5289	ret
		5290
		5291	align 4
		5292
		5293	syscall_writeramdiskfile: ; WriteRamdiskFile
		5294
		5295	mov edi,[0x3010]
		5296	add edi,0x10
		5297	add eax,[edi]
		5298	add ebx,[edi]
		5299	call filesave
		5300	mov [esp+36],eax
		5301	ret
		5302
		5303	align 4
		5304
		5305	syscall_getpixel: ; GetPixel
		5306
		5307	mov ecx,[0xfe00]
		5308	inc ecx
		5309	xor edx,edx
		5310	div ecx
		5311	mov ebx,edx
		5312	xchg eax,ebx
		5313	call dword [0xe024]
		5314	mov [esp+36],ecx
		5315	ret
		5316
		5317	align 4
		5318
		5319	syscall_readstring: ; ReadString
		5320
		5321	mov edi,[0x3010]
		5322	add edi,0x10
		5323	add eax,[edi]
		5324	call read_string
		5325	mov [esp+36],eax
		5326	ret
		5327
		5328	align 4
		5329
		5330	syscall_drawline: ; DrawLine
		5331
		5332	mov edi,[0x3010]
		5333	movzx edx,word[edi-twdw]
		5334	mov ebp,edx
		5335	shl edx,16
		5336	add ebp,edx
		5337	movzx edx,word[edi-twdw+4]
		5338	add eax,ebp
		5339	mov ebp,edx
		5340	shl edx,16
		5341	xor edi,edi
		5342	add edx,ebp
		5343	add ebx,edx
		5344	jmp [draw_line]
		5345
		5346	align 4
		5347
		5348	syscall_getirqowner: ; GetIrqOwner
		5349
		5350	shl eax,2
		5351	add eax,irq_owner
		5352	mov eax,[eax]
		5353	mov [esp+36],eax
		5354	ret
		5355
		5356	align 4
		5357
		5358	syscall_reserveportarea: ; ReservePortArea and FreePortArea
		5359
		5360	call r_f_port_area
		5361	mov [esp+36],eax
		5362	ret
		5363
14	poddubny	5364	;align 4
1	ha	5365
		5366	syscall_appints: ; AppInts
14	poddubny	5367	; mov [esp+36],dword -1
1	ha	5368	ret
		5369
		5370	align 4
		5371
		5372	syscall_threads: ; CreateThreads
		5373
		5374	call sys_threads
		5375	mov [esp+36],eax
		5376	ret
		5377
		5378	align 4
		5379
		5380	stack_driver_stat:
		5381
		5382	call app_stack_handler ; Stack status
		5383
		5384	; mov [check_idle_semaphore],5 ; enable these for zero delay
		5385	; call change_task ; between sent packet
		5386
		5387	mov [esp+36],eax
		5388	ret
		5389
		5390	align 4
		5391
		5392	socket: ; Socket interface
		5393	call app_socket_handler
		5394
		5395	; mov [check_idle_semaphore],5 ; enable these for zero delay
		5396	; call change_task ; between sent packet
		5397
		5398	mov [esp+36],eax
		5399	mov [esp+24],ebx
		5400	ret
		5401
		5402	align 4
		5403
		5404	user_events: ; User event times
		5405
		5406	mov eax,0x12345678
		5407	mov [esp+36],eax
		5408
		5409	ret
		5410
		5411	align 4
		5412
		5413	read_from_hd: ; Read from hd - fn not in use
		5414
		5415	mov edi,[0x3010]
		5416	add edi,0x10
		5417	add eax,[edi]
		5418	add ecx,[edi]
		5419	add edx,[edi]
		5420	call file_read
		5421
		5422	mov [esp+36],eax
		5423	mov [esp+24],ebx
		5424
		5425	ret
		5426
		5427
		5428	align 4
		5429
		5430	write_to_hd: ; Write a file to hd
		5431
		5432	mov edi,[0x3010]
		5433	add edi,0x10
		5434	add eax,[edi]
		5435	add ecx,[edi]
		5436	add edx,[edi]
		5437	call file_write
		5438	ret
		5439
		5440	align 4
		5441
		5442	delete_from_hd: ; Delete a file from hd
		5443
		5444	mov edi,[0x3010]
		5445	add edi,0x10
		5446	add eax,[edi]
		5447	add ecx,[edi]
		5448	call file_delete
		5449	ret
		5450
		5451
		5452	align 4
		5453
		5454	undefined_syscall: ; Undefined system call
		5455
		5456	mov [esp+36],dword -1
		5457	ret
		5458
		5459
		5460	;clear_busy_flag_at_caller:
		5461
		5462	; push edi
		5463
		5464	; mov edi,[0x3000] ; restore processes tss pointer in gdt, busyfl?
		5465	; imul edi,8
		5466	; mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b
		5467
		5468	; pop edi
		5469
		5470	; ret
		5471
		5472
		5473
		5474
		5475	keymap:
		5476
		5477	db '6',27
		5478	db '1234567890-=',8,9
		5479	db 'qwertyuiop[]',13
		5480	db '~asdfghjkl;',39,96,0,'\zxcvbnm,./',0,'45 '
		5481	db '@234567890123',180,178,184,'6',176,'7'
		5482	db 179,'8',181,177,183,185,182
		5483	db 'AB
		5484	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5485	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5486	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5487
		5488
		5489	keymap_shift:
		5490
		5491	db '6',27
		5492	db '!@#$%^&*()_+',8,9
		5493	db 'QWERTYUIOP{}',13
		5494	db '~ASDFGHJKL:"~',0,'\|ZXCVBNM<>?',0,'45 '
		5495	db '@234567890123',180,178,184,'6',176,'7'
		5496	db 179,'8',181,177,183,185,182
		5497	db 'AB>D',255,'FGHIJKLMNOPQRSTUVWXYZ'
		5498	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5499	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5500	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5501
		5502
		5503	keymap_alt:
		5504
		5505	db ' ',27
		5506	db ' @ $ {[]}\ ',8,9
		5507	db ' ',13
		5508	db ' ',0,' ',0,'4',0,' '
		5509	db ' ',180,178,184,'6',176,'7'
		5510	db 179,'8',181,177,183,185,182
		5511	db 'ABCD',255,'FGHIJKLMNOPQRSTUVWXYZ'
		5512	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5513	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5514	db 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
		5515
		5516
		5517	; device irq owners
		5518	uglobal
		5519	irq_owner: ; process id
		5520
		5521	dd 0x0
		5522	dd 0x0
		5523	dd 0x0
		5524	dd 0x0
		5525	dd 0x0
		5526	dd 0x0
		5527	dd 0x0
		5528	dd 0x0
		5529	dd 0x0
		5530	dd 0x0
		5531	dd 0x0
		5532	dd 0x0
		5533	dd 0x0
		5534	dd 0x0
		5535	dd 0x0
		5536	dd 0x0
		5537	endg
		5538
		5539
		5540	; on irq read ports
		5541	uglobal
		5542	irq00read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5543	irq01read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5544	irq02read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5545	irq03read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5546	irq04read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5547	irq05read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5548	irq06read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5549	irq07read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5550	irq08read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5551	irq09read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5552	irq10read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5553	irq11read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5554	irq12read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5555	irq13read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5556	irq14read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5557	irq15read dd 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
		5558	endg
		5559
		5560	; status
		5561	uglobal
		5562	hd1_status dd 0x0 ; 0 - free : other - pid
		5563	application_table_status dd 0x0 ; 0 - free : other - pid
		5564	endg
		5565
		5566	; device addresses
		5567	uglobal
		5568	mididp dd 0x0
		5569	midisp dd 0x0
		5570
		5571	cdbase dd 0x0
		5572	cdid dd 0x0
		5573
		5574	hdbase dd 0x0 ; for boot 0x1f0
		5575	hdid dd 0x0
		5576	hdpos dd 0x0 ; for boot 0x1
		5577	fat32part dd 0x0 ; for boot 0x1
		5578
		5579	;part2_ld dd 0x0
		5580
		5581	;* start code - get process (3) - Mario79
		5582	active_process dd 0
		5583	;* end code - get active process (3) - Mario79
		5584
		5585	wraw_bacground_select db 0
		5586	lba_read_enabled dd 0x0 ; 0 = disabled , 1 = enabled
		5587	pci_access_enabled dd 0x0 ; 0 = disabled , 1 = enabled
		5588
		5589	sb16 dd 0x0
		5590	wss dd 0x0
		5591
		5592	buttontype dd 0x0
		5593	windowtypechanged dd 0x0
		5594	endg
		5595
		5596	iglobal
		5597	keyboard dd 0x1
		5598	sound_dma dd 0x1
		5599	syslang dd 0x1
		5600	endg
		5601
		5602	IncludeIGlobals
		5603	endofcode:
		5604	IncludeUGlobals
		5605	uglobals_size = $ - endofcode
		5606	diff16 "end of kernel code",$
		5607

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(root)/kernel/trunk/kernel.asm @ 473 – Rev 17