WebSVN – Kolibri OS – Blame – /kernel/branches/Kolibri-acpi/boot/bootcode.inc

Rev	Author	Line No.	Line
431	serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
2465	Serge	3	;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
431	serge	4	;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
		5	;; Distributed under terms of the GNU General Public License ;;
		6	;; ;;
		7	;; BOOTCODE.INC ;;
		8	;; ;;
		9	;; KolibriOS 16-bit loader, ;;
		10	;; based on bootcode for MenuetOS ;;
		11	;; ;;
		12	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1	ha	13
593	mikedld	14	$Revision: 3555 $
1	ha	15
		16
		17	;==========================================================================
		18	;
		19	; 16 BIT FUNCTIONS
		20	;
		21	;==========================================================================
		22
183	diamond	23
29	halyavin	24	putchar:
		25	; in: al=character
514	diamond	26	mov ah, 0Eh
		27	mov bh, 0
		28	int 10h
		29	ret
1	ha	30
29	halyavin	31	print:
		32	; in: si->string
514	diamond	33	mov al, 186
		34	call putchar
		35	mov al, ' '
		36	call putchar
1	ha	37
29	halyavin	38	printplain:
		39	; in: si->string
514	diamond	40	pusha
		41	lodsb
29	halyavin	42	@@:
514	diamond	43	call putchar
		44	lodsb
2434	Serge	45	test al, al
514	diamond	46	jnz @b
		47	popa
		48	ret
1	ha	49
29	halyavin	50	getkey:
		51	; get number in range [bl,bh] (bl,bh in ['0'..'9'])
		52	; in: bx=range
		53	; out: ax=digit (1..9, 10 for 0)
514	diamond	54	mov ah, 0
		55	int 16h
		56	cmp al, bl
		57	jb getkey
		58	cmp al, bh
		59	ja getkey
		60	push ax
		61	call putchar
		62	pop ax
		63	and ax, 0Fh
		64	jnz @f
		65	mov al, 10
29	halyavin	66	@@:
514	diamond	67	ret
1	ha	68
29	halyavin	69	setcursor:
		70	; in: dl=column, dh=row
514	diamond	71	mov ah, 2
		72	mov bh, 0
		73	int 10h
		74	ret
29	halyavin	75
		76	macro _setcursor row,column
		77	{
514	diamond	78	mov dx, row*256 + column
		79	call setcursor
29	halyavin	80	}
		81
134	diamond	82	boot_read_floppy:
		83	push si
		84	xor si, si
		85	mov ah, 2 ; read
		86	@@:
		87	push ax
		88	int 0x13
		89	pop ax
		90	jnc @f
		91	inc si
		92	cmp si, 10
		93	jb @b
2010	serge	94	sayerr_badsect:
465	serge	95	mov si, badsect
134	diamond	96	sayerr_plain:
		97	call printplain
		98	jmp $
		99	@@:
		100	pop si
		101	ret
		102
795	shurf	103	; convert abs. sector number (AX) to BIOS T:H:S
		104	; sector number = (abs.sector%BPB_SecPerTrk)+1
		105	; pre.track number = (abs.sector/BPB_SecPerTrk)
		106	; head number = pre.track number%BPB_NumHeads
		107	; track number = pre.track number/BPB_NumHeads
		108	; Return: cl - sector number
		109	; ch - track number
		110	; dl - drive number (0 = a:)
		111	; dh - head number
		112	conv_abs_to_THS:
		113	push bx
2434	Serge	114	mov bx, word [BPB_SecPerTrk]
		115	xor dx, dx
795	shurf	116	div bx
		117	inc dx
		118	mov cl, dl ; cl = sector number
2434	Serge	119	mov bx, word [BPB_NumHeads]
		120	xor dx, dx
795	shurf	121	div bx
		122	; !!!!!!! ax = track number, dx = head number
2434	Serge	123	mov ch, al ; ch=track number
		124	xchg dh, dl ; dh=head number
		125	mov dl, 0 ; dl=0 (drive 0 (a:))
795	shurf	126	pop bx
		127	retn
		128	; needed variables
816	Lrz	129	BPB_SecPerTrk dw 0 ; sectors per track
		130	BPB_NumHeads dw 0 ; number of heads
		131	BPB_FATSz16 dw 0 ; size of FAT
		132	BPB_RootEntCnt dw 0 ; count of root dir. entries
		133	BPB_BytsPerSec dw 0 ; bytes per sector
		134	BPB_RsvdSecCnt dw 0 ; number of reserved sectors
		135	BPB_TotSec16 dw 0 ; count of the sectors on the volume
		136	BPB_SecPerClus db 0 ; number of sectors per cluster
		137	BPB_NumFATs db 0 ; number of FAT tables
		138	abs_sector_adj dw 0 ; adjustment to make abs. sector number
		139	end_of_FAT dw 0 ; end of FAT table
		140	FirstDataSector dw 0 ; begin of data
795	shurf	141
1	ha	142	;=========================================================================
		143	;
		144	; 16 BIT CODE
		145	;
		146	;=========================================================================
		147
2441	Serge	148	include 'bootvesa.inc' ;Include source for boot vesa
2010	serge	149	if defined extended_primary_loader
		150	include 'parsers.inc'
		151	end if
1	ha	152
		153	start_of_code:
2010	serge	154
		155	if defined extended_primary_loader
		156	; save data from primary loader
		157	mov word [cs:bootcallback], si
		158	mov word [cs:bootcallback+2], ds
		159	push cs
		160	pop ds
		161	mov [bootdevice], ax
		162	mov [bootfs], bx
		163
		164	; set up stack
		165	mov ax, 3000h
		166	mov ss, ax
		167	mov sp, 0EC00h
		168
		169	; try to load configuration file
		170	mov ax, 1
		171	mov di, config_file_struct
		172	call [bootcallback]
514	diamond	173	cld
2010	serge	174	push cs
		175	pop es
		176	; bx=0 - ok, bx=1 - part of file loaded, assume this is ok
		177	cmp bx, 1
		178	ja .config_bad
		179	; configuration file was loaded, parse
		180	; if length is too big, use first 0FFFFh bytes
		181	test dx, dx
		182	jz @f
		183	mov ax, 0FFFFh
		184	@@:
		185	; ds:si will be pointer to current data, dx = limit
		186	xchg ax, dx
		187	push 4000h
		188	pop ds
		189	xor si, si
		190	.parse_loop:
		191	; skip spaces
		192	cmp si, dx
		193	jae .parse_done
		194	lodsb
		195	cmp al, ' '
		196	jbe .parse_loop
		197	dec si
		198	; loop over all possible configuration values
		199	mov bx, config_file_variables
		200	.find_variant:
		201	; get length
		202	mov cx, [es:bx]
		203	; zero length = end of list
		204	jecxz .find_newline
		205	; skip over length
		206	inc bx
		207	inc bx
		208	mov di, bx
		209	; skip over string
		210	add bx, cx
		211	; test whether we have at least cx symbols left
		212	mov ax, cx
		213	add ax, si
		214	jc .next_variant1
		215	cmp ax, dx
		216	jae .next_variant1
		217	; save current position
		218	push si
		219	; compare strings
		220	repz cmpsb
		221	jnz .next_variant2
		222	; strings are equal; look for "=" with possible spaces before and after
		223	@@:
		224	cmp si, dx
		225	jae .next_variant2
		226	lodsb
		227	cmp al, ' '
		228	jbe @b
		229	cmp al, '='
		230	jnz .next_variant2
		231	; ok, we found the true variant
		232	; ignore saved position on the stack
		233	pop ax
		234	; call the parser
		235	call word [es:bx]
		236	; line parsed, find next
		237	.find_newline:
		238	cmp si, dx
		239	jae .parse_done
		240	lodsb
		241	cmp al, 13
		242	jz .parse_loop
		243	cmp al, 10
		244	jz .parse_loop
		245	jmp .find_newline
		246	.next_variant2:
		247	; continue to the next variant, restoring current position
		248	pop si
		249	.next_variant1:
		250	; continue to the next variant
		251	; skip over the parser
		252	inc bx
		253	inc bx
		254	jmp .find_variant
		255	.parse_done:
		256	.config_bad:
		257
		258	; set up segment registers
		259	push cs
		260	pop ds
		261	else
		262	cld
29	halyavin	263	; \begin{diamond}[02.12.2005]
514	diamond	264	; if bootloader sets ax = 'KL', then ds:si points to loader block
		265	cmp ax, 'KL'
		266	jnz @f
		267	mov word [cs:cfgmanager.loader_block], si
		268	mov word [cs:cfgmanager.loader_block+2], ds
29	halyavin	269	@@:
		270	; \end{diamond}[02.12.2005]
1	ha	271
514	diamond	272	; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source hard disk
		273	; (see comment to bx_from_load)
		274	cmp cx, 'HA'
		275	jnz no_hd_load
2434	Serge	276	cmp dx, 'RD'
514	diamond	277	jnz no_hd_load
		278	mov word [cs:bx_from_load], bx ; {SPraid}[13.03.2007]
488	spraid	279	no_hd_load:
		280
29	halyavin	281	; set up stack
514	diamond	282	mov ax, 3000h
		283	mov ss, ax
		284	mov sp, 0EC00h
29	halyavin	285	; set up segment registers
514	diamond	286	push cs
		287	pop ds
		288	push cs
		289	pop es
2010	serge	290	end if
1	ha	291
29	halyavin	292	; set videomode
514	diamond	293	mov ax, 3
		294	int 0x10
1	ha	295
134	diamond	296	if lang eq ru
1	ha	297	; Load & set russian VGA font (RU.INC)
514	diamond	298	mov bp, RU_FNT1 ; RU_FNT1 - First part
		299	mov bx, 1000h ; 768 bytes
		300	mov cx, 30h ; 48 symbols
		301	mov dx, 80h ; 128 - position of first symbol
		302	mov ax, 1100h
		303	int 10h
1	ha	304
514	diamond	305	mov bp, RU_FNT2 ; RU_FNT2 -Second part
		306	mov bx, 1000h ; 512 bytes
		307	mov cx, 20h ; 32 symbols
		308	mov dx, 0E0h ; 224 - position of first symbol
		309	mov ax, 1100h
		310	int 10h
1	ha	311	; End set VGA russian font
274	kaitz	312	else if lang eq et
514	diamond	313	mov bp, ET_FNT ; ET_FNT1
		314	mov bx, 1000h ;
		315	mov cx, 255 ; 256 symbols
		316	xor dx, dx ; 0 - position of first symbol
		317	mov ax, 1100h
		318	int 10h
134	diamond	319	end if
1	ha	320
29	halyavin	321	; draw frames
514	diamond	322	push 0xb800
		323	pop es
		324	xor di, di
		325	mov ah, 1*16+15
465	serge	326
29	halyavin	327	; draw top
514	diamond	328	mov si, d80x25_top
		329	mov cx, d80x25_top_num * 80
29	halyavin	330	@@:
514	diamond	331	lodsb
		332	stosw
		333	loop @b
29	halyavin	334	; draw spaces
514	diamond	335	mov si, space_msg
		336	mov dx, 25 - d80x25_top_num - d80x25_bottom_num
29	halyavin	337	dfl1:
514	diamond	338	push si
		339	mov cx, 80
29	halyavin	340	@@:
514	diamond	341	lodsb
		342	stosw
		343	loop @b
		344	pop si
		345	dec dx
		346	jnz dfl1
29	halyavin	347	; draw bottom
514	diamond	348	mov si, d80x25_bottom
		349	mov cx, d80x25_bottom_num * 80
29	halyavin	350	@@:
514	diamond	351	lodsb
		352	stosw
		353	loop @b
1	ha	354
514	diamond	355	mov byte [space_msg+80], 0 ; now space_msg is null terminated
1	ha	356
514	diamond	357	_setcursor d80x25_top_num,0
1	ha	358
		359
		360	; TEST FOR 386+
		361
514	diamond	362	mov bx, 0x4000
1	ha	363	pushf
		364	pop ax
514	diamond	365	mov dx, ax
		366	xor ax, bx
1	ha	367	push ax
		368	popf
		369	pushf
		370	pop ax
514	diamond	371	and ax, bx
		372	and dx, bx
		373	cmp ax, dx
1	ha	374	jnz cpugood
514	diamond	375	mov si, not386
40	halyavin	376	sayerr:
1	ha	377	call print
		378	jmp $
		379	cpugood:
		380
514	diamond	381	push 0
465	serge	382	popf
		383	sti
		384
29	halyavin	385	; set up esp
514	diamond	386	movzx esp, sp
1	ha	387
160	diamond	388	push 0
		389	pop es
2441	Serge	390	and word [es:BOOT_IDE_BASE_ADDR], 0
164	serge	391	; \begin{Mario79}
		392	; find HDD IDE DMA PCI device
160	diamond	393	; check for PCI BIOS
		394	mov ax, 0xB101
		395	int 0x1A
		396	jc .nopci
		397	cmp edx, 'PCI '
		398	jnz .nopci
		399	; find PCI class code
		400	; class 1 = mass storage
		401	; subclass 1 = IDE controller
		402	; a) class 1, subclass 1, programming interface 0x80
		403	mov ax, 0xB103
		404	mov ecx, 110000h + 1100h + 0x80
514	diamond	405	xor si, si ; device index = 0
160	diamond	406	int 0x1A
		407	jnc .found
187	diamond	408	; b) class 1, subclass 1, programming interface 0x8A
160	diamond	409	mov ax, 0xB103
187	diamond	410	mov ecx, 110000h + 1100h + 0x8A
514	diamond	411	xor si, si ; device index = 0
160	diamond	412	int 0x1A
		413	jnc .found
187	diamond	414	; c) class 1, subclass 1, programming interface 0x85
160	diamond	415	mov ax, 0xB103
187	diamond	416	mov ecx, 110000h + 1100h + 0x85
514	diamond	417	xor si, si
160	diamond	418	int 0x1A
		419	jc .nopci
		420	.found:
		421	; get memory base
		422	mov ax, 0xB10A
		423	mov di, 0x20 ; memory base is config register at 0x20
		424	int 0x1A
		425	jc .nopci
		426	and cx, 0xFFF0 ; clear address decode type
2441	Serge	427	mov [es:BOOT_IDE_BASE_ADDR], cx
160	diamond	428	.nopci:
164	serge	429	; \end{Mario79}
160	diamond	430
3555	Serge	431	mov al, 0xf6 ; Сброс клавиатуры, разрешить сканирование
514	diamond	432	out 0x60, al
		433	xor cx, cx
1	ha	434	wait_loop: ; variant 2
		435	; reading state of port of 8042 controller
514	diamond	436	in al, 64h
		437	and al, 00000010b ; ready flag
164	serge	438	; wait until 8042 controller is ready
1	ha	439	loopnz wait_loop
		440
713	Lrz	441	;;;/diamond today 5.02.2008
		442	; set keyboard typematic rate & delay
		443	mov al, 0xf3
		444	out 0x60, al
		445	xor cx, cx
		446	@@:
		447	in al, 64h
		448	test al, 2
		449	loopnz @b
		450	mov al, 0
		451	out 0x60, al
		452	xor cx, cx
		453	@@:
		454	in al, 64h
		455	test al, 2
		456	loopnz @b
		457	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
76	mario79	458	; --------------- APM ---------------------
2441	Serge	459	and word [es:BOOT_APM_VERSION], 0 ; ver = 0.0 (APM not found)
514	diamond	460	mov ax, 0x5300
		461	xor bx, bx
		462	int 0x15
2441	Serge	463	jc apm_end ; APM not found
514	diamond	464	test cx, 2
2441	Serge	465	jz apm_end ; APM 32-bit protected-mode interface not supported
		466	mov [es:BOOT_APM_VERSION], ax ; Save APM Version
		467	mov [es:BOOT_APM_FLAGS], cx ; Save APM flags
164	serge	468
514	diamond	469	; Write APM ver ----
		470	and ax, 0xf0f
		471	add ax, '00'
		472	mov si, msg_apm
		473	mov [si + 5], ah
		474	mov [si + 7], al
		475	_setcursor 0, 3
		476	call printplain
		477	; ------------------
164	serge	478
514	diamond	479	mov ax, 0x5304 ; Disconnect interface
		480	xor bx, bx
		481	int 0x15
		482	mov ax, 0x5303 ; Connect 32 bit mode interface
		483	xor bx, bx
		484	int 0x15
465	serge	485
2441	Serge	486	mov [es:BOOT_APM_ENTRY], ebx
		487	mov [es:BOOT_APM_CODE_32], ax
		488	mov [es:BOOT_APM_CODE_16], cx
		489	mov [es:BOOT_APM_DATA_16], dx
465	serge	490
76	mario79	491	apm_end:
437	diamond	492	_setcursor d80x25_top_num, 0
76	mario79	493
2010	serge	494	if ~ defined extended_primary_loader
713	Lrz	495	;CHECK current of code
		496	cmp [cfgmanager.loader_block], -1
		497	jz noloaderblock
		498	les bx, [cfgmanager.loader_block]
		499	cmp byte [es:bx], 1
		500	mov si, loader_block_error
		501	jnz sayerr
737	diamond	502	push 0
		503	pop es
2010	serge	504	end if
713	Lrz	505
		506	noloaderblock:
1	ha	507	; DISPLAY VESA INFORMATION
713	Lrz	508	call print_vesa_info
		509	call calc_vmodes_table
		510	call check_first_parm ;check and enable cursor_pos
1	ha	511
29	halyavin	512	; \begin{diamond}[30.11.2005]
		513	cfgmanager:
		514	; settings:
		515	; a) preboot_graph = graphical mode
		516	; preboot_gprobe = probe this mode?
713	Lrz	517	; b) preboot_dma = use DMA access?
29	halyavin	518	; c) preboot_vrrm = use VRR?
		519	; d) preboot_device = from what boot?
713	Lrz	520
29	halyavin	521	; determine default settings
2010	serge	522	if ~ defined extended_primary_loader
514	diamond	523	mov [.bSettingsChanged], 0
2010	serge	524	end if
713	Lrz	525
		526	;.preboot_gr_end:
726	diamond	527	mov di, preboot_device
		528	; if image in memory is present and [preboot_device] is uninitialized,
		529	; set it to use this preloaded image
		530	cmp byte [di], 0
		531	jnz .preboot_device_inited
2010	serge	532	if defined extended_primary_loader
		533	inc byte [di]
		534	cmp byte [bootdevice], 'f' ; floppy?
		535	jz .preboot_device_inited
		536	inc byte [di]
		537	else
726	diamond	538	cmp [.loader_block], -1
		539	jz @f
		540	les bx, [.loader_block]
		541	test byte [es:bx+1], 1
		542	jz @f
		543	mov byte [di], 3
		544	jmp .preboot_device_inited
		545	@@:
		546	; otherwise, set [preboot_device] to 1 (default value - boot from floppy)
		547	mov byte [di], 1
2010	serge	548	end if
726	diamond	549	.preboot_device_inited:
1018	diamond	550	; following 4 lines set variables to 1 if its current value is 0
726	diamond	551	cmp byte [di+preboot_dma-preboot_device], 1
		552	adc byte [di+preboot_dma-preboot_device], 0
		553	cmp byte [di+preboot_biosdisk-preboot_device], 1
		554	adc byte [di+preboot_biosdisk-preboot_device], 0
2268	Serge	555	;; default value for VRR is OFF
		556	; cmp byte [di+preboot_vrrm-preboot_device], 0
		557	; jnz @f
		558	; mov byte [di+preboot_vrrm-preboot_device], 2
		559	;@@:
29	halyavin	560	; notify user
713	Lrz	561	_setcursor 5,2
		562
514	diamond	563	mov si, linef
713	Lrz	564	call printplain
514	diamond	565	mov si, start_msg
		566	call print
		567	mov si, time_msg
		568	call print
29	halyavin	569	; get start time
514	diamond	570	call .gettime
		571	mov [.starttime], eax
		572	mov word [.timer], .newtimer
		573	mov word [.timer+2], cs
29	halyavin	574	.printcfg:
946	lrz	575
514	diamond	576	_setcursor 9,0
		577	mov si, current_cfg_msg
		578	call print
		579	mov si, curvideo_msg
		580	call print
713	Lrz	581
		582	call draw_current_vmode
		583
709	diamond	584	mov si, usebd_msg
		585	cmp [preboot_biosdisk], 1
		586	call .say_on_off
2268	Serge	587	; mov si, vrrm_msg
		588	; cmp [preboot_vrrm], 1
		589	; call .say_on_off
514	diamond	590	mov si, preboot_device_msg
		591	call print
		592	mov al, [preboot_device]
2010	serge	593	if defined extended_primary_loader
		594	and eax, 3
		595	else
545	spraid	596	and eax, 7
2010	serge	597	end if
514	diamond	598	mov si, [preboot_device_msgs+eax*2]
		599	call printplain
726	diamond	600	.show_remarks:
		601	; show remarks in gray color
		602	mov di, ((21-num_remarks)80 + 2)2
		603	push 0xB800
		604	pop es
		605	mov cx, num_remarks
		606	mov si, remarks
		607	.write_remarks:
		608	lodsw
		609	push si
		610	xchg ax, si
		611	mov ah, 1*16+7 ; background: blue (1), foreground: gray (7)
		612	push di
		613	.write_remark:
		614	lodsb
		615	test al, al
		616	jz @f
		617	stosw
		618	jmp .write_remark
		619	@@:
		620	pop di
		621	pop si
		622	add di, 80*2
		623	loop .write_remarks
29	halyavin	624	.wait:
514	diamond	625	_setcursor 25,0 ; out of screen
34	halyavin	626	; set timer interrupt handler
514	diamond	627	cli
		628	push 0
		629	pop es
713	Lrz	630	push dword [es:8*4]
		631	pop dword [.oldtimer]
		632	push dword [.timer]
2441	Serge	633	pop dword [es:8*4]
713	Lrz	634	; mov eax, [es:8*4]
		635	; mov [.oldtimer], eax
		636	; mov eax, [.timer]
		637	; mov [es:8*4], eax
514	diamond	638	sti
29	halyavin	639	; wait for keypressed
2434	Serge	640	xor ax, ax
514	diamond	641	int 16h
		642	push ax
29	halyavin	643	; restore timer interrupt
713	Lrz	644	; push 0
		645	; pop es
514	diamond	646	mov eax, [.oldtimer]
		647	mov [es:8*4], eax
		648	mov [.timer], eax
946	lrz	649
514	diamond	650	_setcursor 7,0
		651	mov si, space_msg
		652	call printplain
726	diamond	653	; clear remarks and restore normal attributes
		654	push es
		655	mov di, ((21-num_remarks)80 + 2)2
		656	push 0xB800
		657	pop es
		658	mov cx, num_remarks
		659	mov ax, ' ' + (116 + 15)100h
		660	@@:
		661	push cx
		662	mov cx, 76
		663	rep stosw
		664	pop cx
		665	add di, 4*2
		666	loop @b
		667	pop es
514	diamond	668	pop ax
29	halyavin	669	; switch on key
514	diamond	670	cmp al, 13
		671	jz .continue
		672	or al, 20h
		673	cmp al, 'a'
		674	jz .change_a
		675	cmp al, 'b'
		676	jz .change_b
2268	Serge	677	; cmp al, 'c'
		678	; jz .change_c
		679	cmp al, 'c' ; 'd'
726	diamond	680	jnz .show_remarks
514	diamond	681	_setcursor 15,0
		682	mov si, bdev
		683	call print
2010	serge	684	if defined extended_primary_loader
		685	mov bx, '12'
		686	else
545	spraid	687	mov bx, '14'
2010	serge	688	end if
514	diamond	689	call getkey
		690	mov [preboot_device], al
		691	_setcursor 13,0
29	halyavin	692	.d:
2010	serge	693	if ~ defined extended_primary_loader
514	diamond	694	mov [.bSettingsChanged], 1
2010	serge	695	end if
713	Lrz	696	call clear_vmodes_table ;clear vmodes_table
514	diamond	697	jmp .printcfg
29	halyavin	698	.change_a:
713	Lrz	699	.loops:
		700	call draw_vmodes_table
816	Lrz	701	_setcursor 25,0 ; out of screen
2434	Serge	702	xor ax, ax
713	Lrz	703	int 0x16
		704	; call clear_table_cursor ;clear current position of cursor
		705
2434	Serge	706	mov si, word [cursor_pos]
713	Lrz	707
2434	Serge	708	cmp ah, 0x48;x,0x48E0 ; up
713	Lrz	709	jne .down
2434	Serge	710	cmp si, modes_table
713	Lrz	711	jbe .loops
2434	Serge	712	sub word [cursor_pos], size_of_step
713	Lrz	713	jmp .loops
		714
2434	Serge	715	.down:
		716	cmp ah, 0x50;x,0x50E0 ; down
730	diamond	717	jne .pgup
2434	Serge	718	cmp word[es:si+10], -1
2441	Serge	719	je .loops
2434	Serge	720	add word [cursor_pos], size_of_step
713	Lrz	721	jmp .loops
		722
2434	Serge	723	.pgup:
		724	cmp ah, 0x49 ; page up
730	diamond	725	jne .pgdn
731	diamond	726	sub si, size_of_step*long_v_table
730	diamond	727	cmp si, modes_table
		728	jae @f
		729	mov si, modes_table
		730	@@:
		731	mov word [cursor_pos], si
		732	mov si, word [home_cursor]
731	diamond	733	sub si, size_of_step*long_v_table
730	diamond	734	cmp si, modes_table
		735	jae @f
		736	mov si, modes_table
		737	@@:
		738	mov word [home_cursor], si
		739	jmp .loops
		740
2434	Serge	741	.pgdn:
		742	cmp ah, 0x51 ; page down
730	diamond	743	jne .enter
		744	mov ax, [end_cursor]
731	diamond	745	add si, size_of_step*long_v_table
730	diamond	746	cmp si, ax
		747	jb @f
		748	mov si, ax
		749	sub si, size_of_step
		750	@@:
		751	mov word [cursor_pos], si
		752	mov si, word [home_cursor]
731	diamond	753	sub ax, size_of_step*long_v_table
		754	add si, size_of_step*long_v_table
730	diamond	755	cmp si, ax
		756	jb @f
		757	mov si, ax
		758	@@:
		759	mov word [home_cursor], si
		760	jmp .loops
		761
2434	Serge	762	.enter:
		763	cmp al, 0x0D;x,0x1C0D ; enter
713	Lrz	764	jne .loops
		765	push word [cursor_pos]
746	Lrz	766	pop bp
		767	push word [es:bp]
		768	pop word [x_save]
		769	push word [es:bp+2]
		770	pop word [y_save]
816	Lrz	771	push word [es:bp+6]
749	Lrz	772	pop word [number_vm]
2434	Serge	773	mov word [preboot_graph], bp ;save choose
2441	Serge	774
514	diamond	775	jmp .d
713	Lrz	776
29	halyavin	777	.change_b:
514	diamond	778	_setcursor 15,0
709	diamond	779	; mov si, ask_dma
		780	; call print
		781	; mov bx, '13'
		782	; call getkey
		783	; mov [preboot_dma], al
		784	mov si, ask_bd
514	diamond	785	call print
709	diamond	786	mov bx, '12'
514	diamond	787	call getkey
709	diamond	788	mov [preboot_biosdisk], al
514	diamond	789	_setcursor 11,0
		790	jmp .d
2268	Serge	791	;.change_c:
		792	; _setcursor 15,0
		793	; mov si, vrrmprint
		794	; call print
		795	; mov bx, '12'
		796	; call getkey
		797	; mov [preboot_vrrm], al
		798	; _setcursor 12,0
		799	; jmp .d
713	Lrz	800	;;;;;;;;;;;;;;;;;;;;;;;;;;;;
40	halyavin	801	.say_on_off:
514	diamond	802	pushf
		803	call print
		804	mov si, on_msg
		805	popf
		806	jz @f
		807	mov si, off_msg
2434	Serge	808	@@:
		809	jmp printplain
40	halyavin	810	; novesa and vervesa strings are not used at the moment of executing this code
		811	virtual at novesa
29	halyavin	812	.oldtimer dd ?
		813	.starttime dd ?
2010	serge	814	if ~ defined extended_primary_loader
29	halyavin	815	.bSettingsChanged db ?
2010	serge	816	end if
34	halyavin	817	.timer dd ?
40	halyavin	818	end virtual
2010	serge	819	if ~ defined extended_primary_loader
143	diamond	820	.loader_block dd -1
2010	serge	821	end if
29	halyavin	822	.gettime:
514	diamond	823	mov ah, 0
		824	int 1Ah
		825	xchg ax, cx
		826	shl eax, 10h
		827	xchg ax, dx
		828	ret
29	halyavin	829	.newtimer:
514	diamond	830	push ds
		831	push cs
		832	pop ds
		833	pushf
		834	call [.oldtimer]
		835	pushad
		836	call .gettime
		837	sub eax, [.starttime]
2010	serge	838	if defined extended_primary_loader
		839	sub ax, [preboot_timeout]
		840	else
514	diamond	841	sub ax, 18*5
2010	serge	842	end if
514	diamond	843	jae .timergo
		844	neg ax
		845	add ax, 18-1
		846	mov bx, 18
		847	xor dx, dx
		848	div bx
29	halyavin	849	if lang eq ru
3555	Serge	850	; подождите 5 секунд, 4/3/2 секунды, 1 секунду
514	diamond	851	cmp al, 5
		852	mov cl, ' '
		853	jae @f
		854	cmp al, 1
3555	Serge	855	mov cl, 0xE3 ; 'у' in cp866
514	diamond	856	jz @f
3555	Serge	857	mov cl, 0xEB ; 'ы' in cp866
2434	Serge	858	@@:
		859	mov [time_str+9], cl
274	kaitz	860	else if lang eq et
514	diamond	861	cmp al, 1
		862	ja @f
3555	Serge	863	mov byte [time_str+9], ' '
		864	mov byte [time_str+10], ' '
381	serge	865	@@:
3500	Serge	866	else if lang eq sp
		867	; esperar 5/4/3/2 segundos, 1 segundo
		868	cmp al, 1
		869	mov cl, 's'
		870	ja @f
		871	mov cl, ' '
		872	@@:
		873	mov [time_str+10], cl
29	halyavin	874	else
		875	; wait 5/4/3/2 seconds, 1 second
514	diamond	876	cmp al, 1
		877	mov cl, 's'
		878	ja @f
		879	mov cl, ' '
2434	Serge	880	@@:
		881	mov [time_str+9], cl
29	halyavin	882	end if
514	diamond	883	add al, '0'
		884	mov [time_str+1], al
		885	mov si, time_msg
		886	_setcursor 7,0
		887	call print
		888	_setcursor 25,0
		889	popad
		890	pop ds
		891	iret
29	halyavin	892	.timergo:
514	diamond	893	push 0
		894	pop es
		895	mov eax, [.oldtimer]
		896	mov [es:8*4], eax
		897	mov sp, 0EC00h
29	halyavin	898	.continue:
514	diamond	899	sti
		900	_setcursor 6,0
		901	mov si, space_msg
		902	call printplain
		903	call printplain
		904	_setcursor 6,0
		905	mov si, loading_msg
		906	call print
		907	_setcursor 15,0
2010	serge	908	if ~ defined extended_primary_loader
514	diamond	909	cmp [.bSettingsChanged], 0
		910	jz .load
		911	cmp [.loader_block], -1
		912	jz .load
		913	les bx, [.loader_block]
		914	mov eax, [es:bx+3]
		915	push ds
		916	pop es
		917	test eax, eax
		918	jz .load
		919	push eax
		920	mov si, save_quest
		921	call print
29	halyavin	922	.waityn:
514	diamond	923	mov ah, 0
		924	int 16h
		925	or al, 20h
		926	cmp al, 'n'
		927	jz .loadc
3500	Serge	928	if lang eq sp
		929	cmp al, 's'
		930	else
514	diamond	931	cmp al, 'y'
3500	Serge	932	end if
514	diamond	933	jnz .waityn
		934	call putchar
		935	mov byte [space_msg+80], 186
946	lrz	936
514	diamond	937	pop eax
		938	push cs
		939	push .cont
		940	push eax
946	lrz	941	retf ;call back
29	halyavin	942	.loadc:
514	diamond	943	pop eax
29	halyavin	944	.cont:
514	diamond	945	push cs
		946	pop ds
		947	mov si, space_msg
		948	mov byte [si+80], 0
		949	_setcursor 15,0
		950	call printplain
		951	_setcursor 15,0
29	halyavin	952	.load:
2010	serge	953	end if
29	halyavin	954	; \end{diamond}[02.12.2005]
1	ha	955
		956	; ASK GRAPHICS MODE
		957
713	Lrz	958	call set_vmode
1	ha	959
		960	; GRAPHICS ACCELERATION
346	diamond	961	; force yes
2441	Serge	962	mov [es:BOOT_MTRR], byte 1
1	ha	963
514	diamond	964	; DMA ACCESS TO HD
1	ha	965
514	diamond	966	mov al, [preboot_dma]
2441	Serge	967	mov [es:BOOT_DMA], al
346	diamond	968
2268	Serge	969	;; VRR_M USE
		970	;
		971	; mov al,[preboot_vrrm]
		972	; mov [es:0x9030], al
1	ha	973
		974	; BOOT DEVICE
		975
514	diamond	976	mov al, [preboot_device]
40	halyavin	977	dec al
514	diamond	978	mov [boot_dev], al
1	ha	979
1103	diamond	980	; GET MEMORY MAP
2010	serge	981	include '../detect/biosmem.inc'
1103	diamond	982
1	ha	983	; READ DISKETTE TO MEMORY
		984
2434	Serge	985	cmp [boot_dev], 0
1	ha	986	jne no_sys_on_floppy
2434	Serge	987	mov si, diskload
1	ha	988	call print
514	diamond	989	xor ax, ax ; reset drive
		990	xor dx, dx
1	ha	991	int 0x13
709	diamond	992	; do we boot from CD-ROM?
		993	mov ah, 41h
		994	mov bx, 55AAh
		995	xor dx, dx
		996	int 0x13
		997	jc .nocd
		998	cmp bx, 0AA55h
		999	jnz .nocd
		1000	mov ah, 48h
		1001	push ds
		1002	push es
		1003	pop ds
		1004	mov si, 0xa000
		1005	mov word [si], 30
		1006	int 0x13
		1007	pop ds
		1008	jc .nocd
		1009	push ds
		1010	lds si, [es:si+26]
		1011	test byte [ds:si+10], 40h
		1012	pop ds
		1013	jz .nocd
		1014	; yes - read all floppy by 18 sectors
795	shurf	1015
		1016	; TODO: !!!! read only first sector and set variables !!!!!
		1017	; ...
		1018	; TODO: !!! then read flippy image track by track
2441	Serge	1019
816	Lrz	1020	mov cx, 0x0001 ; startcyl,startsector
709	diamond	1021	.a1:
		1022	push cx dx
		1023	mov al, 18
		1024	mov bx, 0xa000
		1025	call boot_read_floppy
		1026	mov si, movedesc
		1027	push es
		1028	push ds
		1029	pop es
		1030	mov cx, 256*18
		1031	mov ah, 0x87
		1032	int 0x15
		1033	pop es
		1034	pop dx cx
		1035	test ah, ah
		1036	jnz sayerr_floppy
		1037	add dword [si+83+2], 51218
		1038	inc dh
		1039	cmp dh, 2
		1040	jnz .a1
		1041	mov dh, 0
		1042	inc ch
		1043	cmp ch, 80
		1044	jae ok_sys_on_floppy
		1045	pusha
		1046	mov al, ch
		1047	shr ch, 2
		1048	add al, ch
		1049	aam
		1050	xchg al, ah
		1051	add ax, '00'
		1052	mov si, pros
		1053	mov [si], ax
		1054	call printplain
		1055	popa
		1056	jmp .a1
		1057	.nocd:
		1058	; no - read only used sectors from floppy
134	diamond	1059	; now load floppy image to memory
		1060	; at first load boot sector and first FAT table
795	shurf	1061
		1062	; read only first sector and fill variables
816	Lrz	1063	mov cx, 0x0001 ; first logical sector
		1064	xor dx, dx ; head = 0, drive = 0 (a:)
		1065	mov al, 1 ; read one sector
		1066	mov bx, 0xB000 ; es:bx -> data area
		1067	call boot_read_floppy
795	shurf	1068	; fill the necessary parameters to work with a floppy
816	Lrz	1069	mov ax, word [es:bx+24]
		1070	mov word [BPB_SecPerTrk], ax
		1071	mov ax, word [es:bx+26]
		1072	mov word [BPB_NumHeads], ax
		1073	mov ax, word [es:bx+17]
		1074	mov word [BPB_RootEntCnt], ax
		1075	mov ax, word [es:bx+14]
		1076	mov word [BPB_RsvdSecCnt], ax
		1077	mov ax, word [es:bx+19]
		1078	mov word [BPB_TotSec16], ax
		1079	mov al, byte [es:bx+13]
		1080	mov byte [BPB_SecPerClus], al
		1081	mov al, byte [es:bx+16]
		1082	mov byte [BPB_NumFATs], al
925	Lrz	1083	; 18.11.2008
		1084	mov ax, word [es:bx+22]
		1085	mov word [BPB_FATSz16], ax
		1086	mov cx, word [es:bx+11]
		1087	mov word [BPB_BytsPerSec], cx
		1088
795	shurf	1089	; count of clusters in FAT12 ((size_of_FAT*2)/3)
925	Lrz	1090	; mov ax, word [BPB_FATSz16]
		1091	; mov cx, word [BPB_BytsPerSec]
		1092	;end 18.11.2008
816	Lrz	1093	xor dx, dx
		1094	mul cx
		1095	shl ax, 1
		1096	mov cx, 3
		1097	div cx ; now ax - number of clusters in FAT12
		1098	mov word [end_of_FAT], ax
795	shurf	1099
		1100	; load first FAT table
816	Lrz	1101	mov cx, 0x0002 ; startcyl,startsector ; TODO!!!!!
134	diamond	1102	xor dx, dx ; starthead,drive
795	shurf	1103	mov al, byte [BPB_FATSz16] ; no of sectors to read
		1104	add bx, word [BPB_BytsPerSec] ; es:bx -> data area
134	diamond	1105	call boot_read_floppy
816	Lrz	1106	mov bx, 0xB000
795	shurf	1107
134	diamond	1108	; and copy them to extended memory
465	serge	1109	mov si, movedesc
816	Lrz	1110	mov [si+8*2+3], bh ; from
2441	Serge	1111
816	Lrz	1112	mov ax, word [BPB_BytsPerSec]
		1113	shr ax, 1 ; words per sector
		1114	mov cx, word [BPB_RsvdSecCnt]
		1115	add cx, word [BPB_FATSz16]
		1116	mul cx
		1117	push ax ; save to stack count of words in boot+FAT
		1118	xchg ax, cx
2441	Serge	1119
134	diamond	1120	push es
		1121	push ds
		1122	pop es
		1123	mov ah, 0x87
		1124	int 0x15
816	Lrz	1125	pop es
76	mario79	1126	test ah, ah
134	diamond	1127	jz @f
		1128	sayerr_floppy:
		1129	mov dx, 0x3f2
		1130	mov al, 0
		1131	out dx, al
2010	serge	1132	sayerr_memmove:
465	serge	1133	mov si, memmovefailed
134	diamond	1134	jmp sayerr_plain
		1135	@@:
816	Lrz	1136	pop ax ; restore from stack count of words in boot+FAT
		1137	shl ax, 1 ; make bytes count from count of words
		1138	and eax, 0ffffh
795	shurf	1139	add dword [si+8*3+2], eax
		1140
		1141	; copy first FAT to second copy
		1142	; TODO: BPB_NumFATs !!!!!
816	Lrz	1143	add bx, word [BPB_BytsPerSec] ; !!! TODO: may be need multiply by BPB_RsvdSecCnt !!!
		1144	mov byte [si+8*2+3], bh ; bx - begin of FAT
2441	Serge	1145
816	Lrz	1146	mov ax, word [BPB_BytsPerSec]
		1147	shr ax, 1 ; words per sector
		1148	mov cx, word [BPB_FATSz16]
		1149	mul cx
		1150	mov cx, ax ; cx - count of words in FAT
795	shurf	1151
		1152	push es
		1153	push ds
		1154	pop es
134	diamond	1155	mov ah, 0x87
		1156	int 0x15
		1157	pop es
		1158	test ah, ah
		1159	jnz sayerr_floppy
2441	Serge	1160
816	Lrz	1161	mov ax, cx
		1162	shl ax, 1
		1163	and eax, 0ffffh ; ax - count of bytes in FAT
795	shurf	1164	add dword [si+8*3+2], eax
2441	Serge	1165
795	shurf	1166	; reading RootDir
		1167	; TODO: BPB_NumFATs
816	Lrz	1168	add bx, ax
		1169	add bx, 100h
		1170	and bx, 0ff00h ; bx - place in buffer to write RootDir
		1171	push bx
795	shurf	1172
816	Lrz	1173	mov bx, word [BPB_BytsPerSec]
		1174	shr bx, 5 ; divide bx by 32
		1175	mov ax, word [BPB_RootEntCnt]
		1176	xor dx, dx
		1177	div bx
		1178	push ax ; ax - count of RootDir sectors
795	shurf	1179
816	Lrz	1180	mov ax, word [BPB_FATSz16]
		1181	xor cx, cx
		1182	mov cl, byte [BPB_NumFATs]
		1183	mul cx
		1184	add ax, word [BPB_RsvdSecCnt] ; ax - first sector of RootDir
795	shurf	1185
816	Lrz	1186	mov word [FirstDataSector], ax
		1187	pop bx
		1188	push bx
		1189	add word [FirstDataSector], bx ; Begin of data region of floppy
2441	Serge	1190
795	shurf	1191	; read RootDir
816	Lrz	1192	call conv_abs_to_THS
		1193	pop ax
		1194	pop bx ; place in buffer to write
		1195	push ax
		1196	call boot_read_floppy ; read RootDir into buffer
795	shurf	1197	; copy RootDir
816	Lrz	1198	mov byte [si+8*2+3], bh ; from buffer
		1199	pop ax ; ax = count of RootDir sectors
		1200	mov cx, word [BPB_BytsPerSec]
		1201	mul cx
		1202	shr ax, 1
		1203	mov cx, ax ; count of words to copy
		1204	push es
		1205	push ds
		1206	pop es
795	shurf	1207	mov ah, 0x87
		1208	int 0x15
816	Lrz	1209	pop es
795	shurf	1210
816	Lrz	1211	mov ax, cx
		1212	shl ax, 1
		1213	and eax, 0ffffh ; ax - count of bytes in RootDir
		1214	add dword [si+8*3+2], eax ; add count of bytes copied
795	shurf	1215
		1216	; Reading data clusters from floppy
816	Lrz	1217	mov byte [si+8*2+3], bh
		1218	push bx
795	shurf	1219
816	Lrz	1220	mov di, 2 ; First data cluster
134	diamond	1221	.read_loop:
816	Lrz	1222	mov bx, di
		1223	shr bx, 1 ; bx+di = di*1.5
		1224	jnc .even
		1225	test word [es:bx+di+0xB200], 0xFFF0 ; TODO: may not be 0xB200 !!!
		1226	jmp @f
134	diamond	1227	.even:
816	Lrz	1228	test word [es:bx+di+0xB200], 0xFFF ; TODO: may not be 0xB200 !!!
795	shurf	1229
134	diamond	1230	@@:
816	Lrz	1231	jz .skip
795	shurf	1232	; read cluster di
		1233	;.read:
816	Lrz	1234	;conv cluster di to abs. sector ax
		1235	; ax = (N-2) * BPB_SecPerClus + FirstDataSector
		1236	mov ax, di
		1237	sub ax, 2
		1238	xor bx, bx
		1239	mov bl, byte [BPB_SecPerClus]
		1240	mul bx
		1241	add ax, word [FirstDataSector]
		1242	call conv_abs_to_THS
		1243	pop bx
		1244	push bx
		1245	mov al, byte [BPB_SecPerClus] ; number of sectors in cluster
		1246	call boot_read_floppy
76	mario79	1247	push es
		1248	push ds
1	ha	1249	pop es
134	diamond	1250	pusha
795	shurf	1251	;
816	Lrz	1252	mov ax, word [BPB_BytsPerSec]
		1253	xor cx, cx
		1254	mov cl, byte [BPB_SecPerClus]
		1255	mul cx
		1256	shr ax, 1 ; ax = (BPB_BytsPerSec * BPB_SecPerClus)/2
		1257	mov cx, ax ; number of words to copy (count words in cluster)
795	shurf	1258	;
816	Lrz	1259	mov ah, 0x87
		1260	int 0x15 ; copy data
134	diamond	1261	test ah, ah
1	ha	1262	popa
134	diamond	1263	pop es
		1264	jnz sayerr_floppy
795	shurf	1265	; skip cluster di
134	diamond	1266	.skip:
816	Lrz	1267	mov ax, word [BPB_BytsPerSec]
		1268	xor cx, cx
		1269	mov cl, byte [BPB_SecPerClus]
		1270	mul cx
		1271	and eax, 0ffffh ; ax - count of bytes in cluster
		1272	add dword [si+8*3+2], eax
795	shurf	1273
816	Lrz	1274	mov ax, word [end_of_FAT] ; max cluster number
134	diamond	1275	pusha
		1276	; draw percentage
795	shurf	1277	; total clusters: ax
		1278	; read clusters: di
816	Lrz	1279	xchg ax, di
134	diamond	1280	mov cx, 100
		1281	mul cx
816	Lrz	1282	div di
134	diamond	1283	aam
		1284	xchg al, ah
		1285	add ax, '00'
465	serge	1286	mov si, pros
134	diamond	1287	cmp [si], ax
		1288	jz @f
		1289	mov [si], ax
1	ha	1290	call printplain
134	diamond	1291	@@:
1	ha	1292	popa
134	diamond	1293	inc di
816	Lrz	1294	cmp di, word [end_of_FAT] ; max number of cluster
134	diamond	1295	jnz .read_loop
816	Lrz	1296	pop bx ; clear stack
134	diamond	1297
709	diamond	1298	ok_sys_on_floppy:
514	diamond	1299	mov si, backspace2
1	ha	1300	call printplain
514	diamond	1301	mov si, okt
1	ha	1302	call printplain
514	diamond	1303	no_sys_on_floppy:
		1304	xor ax, ax ; reset drive
		1305	xor dx, dx
1	ha	1306	int 0x13
514	diamond	1307	mov dx, 0x3f2 ; floppy motor off
		1308	mov al, 0
		1309	out dx, al
1	ha	1310
2010	serge	1311	if defined extended_primary_loader
		1312	cmp [boot_dev], 1
		1313	jne no_sys_from_primary
		1314	; load kolibri.img using callback from primary loader
		1315	and word [movedesc + 24 + 2], 0
		1316	mov byte [movedesc + 24 + 4], 10h
		1317	; read in blocks of 64K until file is fully loaded
		1318	mov ax, 1
		1319	.repeat:
		1320	mov di, image_file_struct
		1321	call [bootcallback]
		1322	push cs
		1323	pop ds
		1324	push cs
		1325	pop es
		1326	cmp bx, 1
		1327	ja sayerr_badsect
		1328	push bx
		1329	mov si, movedesc
		1330	and word [si + 16 + 2], 0
		1331	mov byte [si + 16 + 4], 4
		1332	mov ah, 87h
		1333	mov cx, 8000h
		1334	int 15h
		1335	pop bx
		1336	test ah, ah
		1337	jnz sayerr_memmove
		1338	inc byte [si + 24 + 4]
		1339	test bx, bx
		1340	jz no_sys_from_primary
		1341	mov ax, 2
		1342	jmp .repeat
		1343	no_sys_from_primary:
		1344	end if
1	ha	1345
		1346	; SET GRAPHICS
		1347
514	diamond	1348	xor ax, ax
		1349	mov es, ax
164	serge	1350
2441	Serge	1351	mov ax, [es:BOOT_VESA_MODE] ; vga & 320x200
514	diamond	1352	mov bx, ax
		1353	cmp ax, 0x13
1	ha	1354	je setgr
514	diamond	1355	cmp ax, 0x12
1	ha	1356	je setgr
514	diamond	1357	mov ax, 0x4f02 ; Vesa
412	serge	1358	setgr:
1	ha	1359	int 0x10
514	diamond	1360	test ah, ah
		1361	mov si, fatalsel
713	Lrz	1362	jnz v_mode_error
1	ha	1363	; set mode 0x12 graphics registers:
514	diamond	1364	cmp bx, 0x12
1	ha	1365	jne gmok2
		1366
514	diamond	1367	mov al, 0x05
		1368	mov dx, 0x03ce
40	halyavin	1369	push dx
514	diamond	1370	out dx, al ; select GDC mode register
		1371	mov al, 0x02
		1372	inc dx
		1373	out dx, al ; set write mode 2
1	ha	1374
514	diamond	1375	mov al, 0x02
		1376	mov dx, 0x03c4
		1377	out dx, al ; select VGA sequencer map mask register
		1378	mov al, 0x0f
		1379	inc dx
		1380	out dx, al ; set mask for all planes 0-3
1	ha	1381
514	diamond	1382	mov al, 0x08
		1383	pop dx
		1384	out dx, al ; select GDC bit mask register
1	ha	1385	; for writes to 0x03cf
412	serge	1386	gmok2:
76	mario79	1387	push ds
514	diamond	1388	pop es

Subversion Repositories Kolibri OS

(root)/kernel/branches/Kolibri-acpi/boot/bootcode.inc – Rev 3555