WebSVN – Kolibri OS – Blame – /kernel/trunk/boot/bootvesa.inc

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
10051	ace_dent	3	;; Copyright (C) KolibriOS team 2004-2024. All rights reserved. ;;
2288	clevermous	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8
		9	struc VBE_VGAInfo {
		10	.VESASignature dd ? ; char
		11	.VESAVersion dw ? ; short
		12	.OemStringPtr dd ? ; char *
		13	.Capabilities dd ? ; ulong
		14	.VideoModePtr dd ? ; ulong
		15	.TotalMemory dw ? ; short
		16	; VBE 2.0+
		17	.OemSoftwareRev db ? ; short
		18	.OemVendorNamePtr dw ? ; char *
		19	.OemProductNamePtr dw ? ; char *
		20	.OemProductRevPtr dw ? ; char *
		21	.reserved rb 222 ; char
		22	.OemData rb 256 ; char
		23	}
		24
		25	struc VBE_ModeInfo {
		26	.ModeAttributes dw ? ; short
		27	.WinAAttributes db ? ; char
		28	.WinBAttributes db ? ; char
		29	.WinGranularity dw ? ; short
		30	.WinSize dw ? ; short
		31	.WinASegment dw ? ; ushort
		32	.WinBSegment dw ? ; ushort
		33	.WinFuncPtr dd ? ; void *
		34	.BytesPerScanLine dw ? ; short
		35	.XRes dw ? ; short
		36	.YRes dw ? ; short
		37	.XCharSize db ? ; char
		38	.YCharSize db ? ; char
		39	.NumberOfPlanes db ? ; char
		40	.BitsPerPixel db ? ; char
		41	.NumberOfBanks db ? ; char
		42	.MemoryModel db ? ; char
		43	.BankSize db ? ; char
		44	.NumberOfImagePages db ? ; char
		45	.res1 db ? ; char
		46	.RedMaskSize db ? ; char
		47	.RedFieldPosition db ? ; char
		48	.GreenMaskSize db ? ; char
		49	.GreenFieldPosition db ? ; char
		50	.BlueMaskSize db ? ; char
		51	.BlueFieldPosition db ? ; char
		52	.RsvedMaskSize db ? ; char
		53	.RsvedFieldPosition db ? ; char
		54	.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
		55	; VBE 2.0+
		56	.PhysBasePtr dd ? ; ulong
		57	.OffScreenMemOffset dd ? ; ulong
		58	.OffScreenMemSize dw ? ; short
		59	; VBE 3.0+
		60	.LinbytesPerScanLine dw ? ; short
		61	.BankNumberOfImagePages db ? ; char
		62	.LinNumberOfImagePages db ? ; char
		63	.LinRedMaskSize db ? ; char
		64	.LinRedFieldPosition db ? ; char
		65	.LingreenMaskSize db ? ; char
		66	.LinGreenFieldPosition db ? ; char
		67	.LinBlueMaskSize db ? ; char
		68	.LinBlueFieldPosition db ? ; char
		69	.LinRsvdMaskSize db ? ; char
		70	.LinRsvdFieldPosition db ? ; char
		71	.MaxPixelClock dd ? ; ulong
		72	.res2 rb 190 ; char
		73	}
		74
		75	virtual at $A000
		76	vi VBE_VGAInfo
		77	mi VBE_ModeInfo
		78	modes_table:
		79	end virtual
3539	clevermous	80	cursor_pos dw 0 ;временное хранение курсора.
3999	mario79	81	cursor_pos_old dw 0
2288	clevermous	82	home_cursor dw 0 ;current shows rows a table
		83	end_cursor dw 0 ;end of position current shows rows a table
		84	scroll_start dw 0 ;start position of scroll bar
		85	scroll_end dw 0 ;end position of scroll bar
7136	dunkaist	86	long_v_table = 9 ;long of visible video table
		87	size_of_step = 10
		88	scroll_area_size = long_v_table - 2
2288	clevermous	89	int2str:
		90	dec bl
		91	jz @f
		92	xor edx, edx
		93	div ecx
		94	push edx
		95	call int2str
		96	pop eax
		97	@@:
		98	or al, 0x30
		99	mov [ds:di], al
		100	inc di
		101	ret
		102
		103	int2strnz:
		104	cmp eax, ecx
		105	jb @f
		106	xor edx, edx
		107	div ecx
		108	push edx
		109	call int2strnz
		110	pop eax
		111	@@:
		112	or al, 0x30
		113	mov [es:di], al
		114	inc di
		115	ret
		116
		117	;-------------------------------------------------------
		118	;Write message about incorrect v_mode and write message about jmp on swith v_mode
		119	v_mode_error:
		120	_setcursor 19,2
		121	mov si, fatalsel
		122	call printplain
		123	_setcursor 20,2
		124	mov si, pres_key
		125	call printplain
		126	xor eax, eax
		127	int 16h
		128	jmp cfgmanager.d
		129	;-------------------------------------------------------
		130	;
		131
		132
		133
		134	;-------------------------------------------------------
		135	print_vesa_info:
		136	_setcursor 5,2
		137
		138	mov [es:vi.VESASignature], 'VBE2'
		139	mov ax, 0x4F00
		140	mov di, vi ;0xa000
		141	int 0x10
		142	or ah, ah
		143	jz @f
		144	mov [es:vi.VESASignature], 'VESA'
		145	mov ax, $4F00
		146	mov di, vi
		147	int 0x10
		148	or ah, ah
		149	jnz .exit
		150	@@:
		151	cmp [es:vi.VESASignature], 'VESA'
		152	jne .exit
		153	cmp [es:vi.VESAVersion], 0x0100
		154	jb .exit
		155	jmp .vesaok2
		156
		157	.exit:
		158	mov si, novesa
		159	call printplain
		160	ret
		161
		162	.vesaok2:
		163	mov ax, [es:vi.VESAVersion]
		164	add ax, '00'
		165
		166	mov [s_vesa.ver], ah
		167	mov [s_vesa.ver+2], al
		168	mov si, s_vesa
		169	call printplain
		170
		171	_setcursor 4,2
		172	mov si, word[es:vi.OemStringPtr]
		173	mov di, si
		174
		175	push ds
		176	mov ds, word[es:vi.OemStringPtr+2]
		177	call printplain
		178	pop ds
		179
		180	ret
		181	;-----------------------------------------------------------------------------
		182
		183	calc_vmodes_table:
		184	pushad
		185
		186	; push 0
		187	; pop es
		188
		189	lfs si, [es:vi.VideoModePtr]
		190
		191	mov bx, modes_table
3539	clevermous	192	;save no vesa mode of work 320x200, EGA/CGA 256 жўҐв®ў and 640x480, VGA 16 жўҐв®ў
2288	clevermous	193	mov word [es:bx], 640
		194	mov word [es:bx+2], 480
		195	mov word [es:bx+6], 0x13
10051	ace_dent	196
2288	clevermous	197	mov word [es:bx+10], 640
		198	mov word [es:bx+12], 480
		199	mov word [es:bx+16], 0x12
		200	add bx, 20
		201	.next_mode:
		202	mov cx, word [fs:si]; mode number
		203	cmp cx, -1
		204	je .modes_ok.2
		205
		206	mov ax, 0x4F01
		207	mov di, mi
		208	int 0x10
		209
		210	or ah, ah
		211	jnz .modes_ok.2;vesa_info.exit
		212
		213	test [es:mi.ModeAttributes], 00000001b ;videomode support ?
		214	jz @f
		215	test [es:mi.ModeAttributes], 00010000b ;picture ?
		216	jz @f
		217	test [es:mi.ModeAttributes], 10000000b ;LFB ?
		218	jz @f
		219
5154	hidnplayr	220	cmp [es:mi.BitsPerPixel], 16 ;List only supported videomodes (16, 24 and 32 bpp)
2288	clevermous	221	jb @f
		222
5154	hidnplayr	223	; 16 bpp might actually be 15 bpp
10051	ace_dent	224	cmp [es:mi.BitsPerPixel], 16
5154	hidnplayr	225	jne .l0
		226	cmp [es:mi.GreenMaskSize], 5
		227	jne .l0
2288	clevermous	228	; mov [es:mi.BitsPerPixel],15
5154	hidnplayr	229	jmp @f ; 15 bpp isnt supported ATM
2288	clevermous	230
		231
		232	.l0:
		233	cmp [es:mi.XRes], 640
		234	jb @f
		235	cmp [es:mi.YRes], 480
		236	jb @f
		237	; cmp [es:mi.BitsPerPixel],8
		238	; jb @f
		239
		240	mov ax, [es:mi.XRes]
		241	mov [es:bx+0], ax ; +0[2] : resolution X
		242	mov ax, [es:mi.YRes]
		243	mov [es:bx+2], ax ; +2[2] : resolution Y
		244	mov ax, [es:mi.ModeAttributes]
		245	mov [es:bx+4], ax ; +4[2] : attributes
		246
		247	cmp [s_vesa.ver], '2'
2407	mario79	248	; jb .lp1
		249	jb @f ; We do not use Vesa 1.2 mode is now
2288	clevermous	250
		251	or cx, 0x4000 ; use LFB
		252	.lp1:
		253	mov [es:bx+6], cx ; +6 : mode number
		254	movzx ax, byte [es:mi.BitsPerPixel]
		255	mov word [es:bx+8], ax ; +8 : bits per pixel
3591	Serge	256	add bx, size_of_step ; size of record
2288	clevermous	257
		258	@@:
		259	add si, 2
		260	jmp .next_mode
		261
		262	.modes_ok.2:
		263
		264	mov word[es:bx], -1 ;end video table
		265	mov word[end_cursor], bx ;save end cursor position
		266	;;;;;;;;;;;;;;;;;;
		267	;Sort array
		268	; mov si,modes_table
		269	;.new_mode:
		270	; mov ax,word [es:si]
		271	; cmp ax,-1
		272	; je .exxit
		273	; add ax,word [es:si+2]
		274	; add ax,word [es:si+8]
		275	; mov bp,si
		276	;.again:
		277	; add bp,12
		278	; mov bx,word [es:bp]
		279	; cmp bx,-1
		280	; je .exit
		281	; add bx,word [es:bp+2]
		282	; add bx,word [es:bp+8]
3591	Serge	283	;
2288	clevermous	284	; cmp ax,bx
		285	; ja .loops
		286	; jmp .again
3591	Serge	287	;.loops:
2288	clevermous	288	; push dword [es:si]
		289	; push dword [es:si+4]
		290	; push dword [es:si+8]
		291	; push dword [es:bp]
		292	; push dword [es:bp+4]
		293	; push dword [es:bp+8]
		294	;
		295	; pop dword [es:si+8]
		296	; pop dword [es:si+4]
		297	; pop dword [es:si]
		298	; pop dword [es:bp+8]
		299	; pop dword [es:bp+4]
		300	; pop dword [es:bp]
		301	; jmp .new_mode
		302	;
		303	;.exit: add si,12
		304	; jmp .new_mode
		305	;.exxit:
		306	popad
		307	ret
		308
		309	;-----------------------------------------------------------------------------
		310
		311	draw_current_vmode:
		312	push 0
		313	pop es
		314
		315	mov si, word [cursor_pos]
		316
		317	cmp word [es:si+6], 0x12
		318	je .no_vesa_0x12
		319
		320	cmp word [es:si+6], 0x13
		321	je .no_vesa_0x13
		322
		323	if defined extended_primary_loader
		324	mov di, config_file_variables
		325	else
		326	mov di, loader_block_error
		327	end if
		328	movzx eax, word[es:si+0]
		329	mov ecx, 10
		330	call int2strnz
		331	mov byte[es:di], 'x'
		332	inc di
		333	movzx eax, word[es:si+2]
		334	call int2strnz
		335	mov byte[es:di], 'x'
		336	inc di
		337	movzx eax, word[es:si+8]
		338	call int2strnz
		339	mov dword[es:di], 0x00000d0a
		340	if defined extended_primary_loader
		341	mov si, config_file_variables
		342	else
		343	mov si, loader_block_error
		344	end if
		345	push ds
		346	push es
		347	pop ds
		348	call printplain
		349	pop ds
		350	ret
		351	.no_vesa_0x13:
		352	mov si, mode0
		353	jmp .print
		354	.no_vesa_0x12:
		355	mov si, mode9
		356	.print:
		357	call printplain
		358	ret
		359	;-----------------------------------------------------------------------------
		360	check_first_parm:
		361	if defined extended_primary_loader
		362	mov cx, [number_vm]
		363	jcxz .novbemode
		364	mov si, modes_table
		365	.findvbemode:
		366	cmp [es:si+6], cx
		367	jnz @f
		368	cmp word [es:si+8], 32
		369	je .ok_found_mode
		370	cmp word [es:si+8], 24
		371	je .ok_found_mode
5167	hidnplayr	372	cmp word [es:si+8], 16
		373	je .ok_found_mode
2288	clevermous	374	@@:
		375	add si, size_of_step
		376	cmp word [es:si], -1
		377	jnz .findvbemode
		378	.novbemode:
		379	mov ax, [x_save]
		380	test ax, ax
		381	jz .zerro
		382	mov bx, [y_save]
		383	mov si, modes_table
		384	call .loops
		385	test ax, ax
		386	jz .ok_found_mode
		387	else
		388	mov si, word [preboot_graph]
		389	test si, si
		390	jnz .no_zero ;if no zero
		391	end if
		392	.zerro:
		393	; mov ax,modes_table
		394	; mov word [cursor_pos],ax
		395	; mov word [home_cursor],ax
		396	; mov word [preboot_graph],ax
		397	;SET default video of mode first probe will fined a move of work 1024x768@32
5169	hidnplayr	398	mov cx, 32
		399	.find_mode:
2288	clevermous	400	mov ax, 1024
		401	mov bx, 768
		402	mov si, modes_table
		403	call .loops
		404	test ax, ax
		405	jz .ok_found_mode
		406	mov ax, 800
		407	mov bx, 600
		408	mov si, modes_table
		409	call .loops
		410	test ax, ax
		411	jz .ok_found_mode
		412	mov ax, 640
		413	mov bx, 480
		414	mov si, modes_table
		415	call .loops
		416	test ax, ax
		417	jz .ok_found_mode
5169	hidnplayr	418	sub cx, 8
		419	jnz .find_mode
2288	clevermous	420
		421	mov si, modes_table
		422	if ~ defined extended_primary_loader
		423	jmp .ok_found_mode
		424
		425
		426
		427	.no_zero:
		428	mov bp, word [number_vm]
		429	cmp bp, word [es:si+6]
		430	jz .ok_found_mode
		431	mov ax, word [x_save]
		432	mov bx, word [y_save]
		433	mov si, modes_table
		434	call .loops
		435	test ax, ax
		436	jz .ok_found_mode
		437
		438	mov si, modes_table
		439	; cmp ax,modes_table
		440	; jb .zerro ;check on correct if bellow
		441	; cmp ax,word [end_cursor]
		442	; ja .zerro ;check on correct if anymore
		443	end if
		444
		445	.ok_found_mode:
		446	mov word [home_cursor], si
		447	; mov word [cursor_pos],si
		448	mov word [preboot_graph], si
		449	mov ax, si
		450
		451	mov ecx, long_v_table
		452
		453	.loop:
		454	add ax, size_of_step
		455	cmp ax, word [end_cursor]
		456	jae .next_step
		457	loop .loop
		458	.next_step:
		459	sub ax, size_of_step*long_v_table
		460	cmp ax, modes_table
		461	jae @f
		462	mov ax, modes_table
		463	@@:
		464
		465	mov word [home_cursor], ax
		466	mov si, [preboot_graph]
		467	mov word [cursor_pos], si
		468
		469	push word [es:si]
		470	pop word [x_save]
		471	push word [es:si+2]
		472	pop word [y_save]
		473	push word [es:si+6]
		474	pop word [number_vm]
		475
		476	ret
		477	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		478	.loops:
		479	cmp ax, word [es:si]
		480	jne .next
		481	cmp bx, word [es:si+2]
		482	jne .next
8175	dunkaist	483	jcxz @f
5169	hidnplayr	484	cmp cx, word [es:si+8]
		485	jne .next
8175	dunkaist	486	@@:
5169	hidnplayr	487	xor ax, ax
		488	ret
2288	clevermous	489	.next:
		490	add si, size_of_step
		491	cmp word [es:si], -1
		492	je .exit
		493	jmp .loops
		494	.exit:
		495	or ax, -1
		496	ret
		497
		498
		499	;-----------------------------------------------------------------------------
		500
		501	;default_vmode:
3591	Serge	502
2288	clevermous	503	;-----------------------------------------------------------------------------
		504	draw_vmodes_table:
		505	_setcursor 9, 2
		506	mov si, gr_mode
		507	call printplain
		508
		509	mov si, _st
		510	call printplain
		511
		512	push word [cursor_pos]
		513	pop ax
		514	push word [home_cursor]
		515	pop si
		516	mov cx, si
		517
		518	cmp ax, si
		519	je .ok
		520	jb .low
		521
		522
		523	add cx, size_of_step*long_v_table
3591	Serge	524
2288	clevermous	525	cmp ax, cx
		526	jb .ok
3591	Serge	527
2288	clevermous	528	sub cx, size_of_step*long_v_table
		529	add cx, size_of_step
		530	cmp cx, word[end_cursor]
		531	jae .ok
		532	add si, size_of_step
		533	push si
		534	pop word [home_cursor]
		535	jmp .ok
		536
		537
		538	.low:
		539	sub cx, size_of_step
		540	cmp cx, modes_table
		541	jb .ok
		542	push cx
		543	push cx
		544	pop word [home_cursor]
		545	pop si
		546
		547
		548	.ok:
		549	; calculate scroll position
		550	push si
		551	mov ax, [end_cursor]
		552	sub ax, modes_table
		553	mov bx, size_of_step
		554	cwd
		555	div bx
		556	mov si, ax ; si = size of list
		557	mov ax, [home_cursor]
		558	sub ax, modes_table
		559	cwd
		560	div bx
		561	mov di, ax
		562	mov ax, scroll_area_size*long_v_table
		563	cwd
		564	div si
		565	test ax, ax
		566	jnz @f
		567	inc ax
		568	@@:
		569	cmp al, scroll_area_size
		570	jb @f
		571	mov al, scroll_area_size
		572	@@:
		573	mov cx, ax
		574	; cx = scroll height
		575	; calculate scroll pos
		576	xor bx, bx ; initialize scroll pos
		577	sub al, scroll_area_size+1
		578	neg al
		579	sub si, long_v_table-1
		580	jbe @f
		581	mul di
		582	div si
		583	mov bx, ax
		584	@@:
		585	inc bx
		586	imul ax, bx, size_of_step
		587	add ax, [home_cursor]
		588	mov [scroll_start], ax
		589	imul cx, size_of_step
		590	add ax, cx
		591	mov [scroll_end], ax
		592	pop si
		593	mov bp, long_v_table ;show rows
		594	.@@_next_bit:
		595	;clear cursor
		596	mov ax, ' '
		597	mov word[ds:_r1+21], ax
		598	mov word[ds:_r1+50], ax
		599
		600	mov word[ds:_r2+21], ax
		601	mov word[ds:_r2+45], ax
		602
		603	mov word[ds:_rs+21], ax
		604	mov word[ds:_rs+46], ax
		605	; draw string
		606	cmp word [es:si+6], 0x12
		607	je .show_0x12
		608	cmp word [es:si+6], 0x13
		609	je .show_0x13
		610
		611	movzx eax, word[es:si]
		612	cmp ax, -1
		613	je .@@_end
		614	mov di, _rs+23
		615	mov ecx, 10
		616	mov bl, 4
		617	call int2str
		618	movzx eax, word[es:si+2]
		619	inc di
		620	mov bl, 4
		621	call int2str
		622
		623	movzx eax, word[es:si+8]
		624	inc di
		625	mov bl, 2
		626	call int2str
		627
		628	cmp si, word [cursor_pos]
		629	jne .next
		630	;draw cursor
		631	mov word[ds:_rs+21], '>>'
		632	mov word[ds:_rs+46], '<<'
		633
		634
3591	Serge	635
2288	clevermous	636	.next:
		637	push si
		638	mov si, _rs
		639	.@@_sh:
		640	; add to the string pseudographics for scrollbar
		641	pop bx
		642	push bx
		643	mov byte [si+53], ' '
		644	cmp bx, [scroll_start]
		645	jb @f
		646	cmp bx, [scroll_end]
		647	jae @f
		648	mov byte [si+53], 0xDB ; filled bar
		649	@@:
		650	push bx
		651	add bx, size_of_step
		652	cmp bx, [end_cursor]
		653	jnz @f
		654	mov byte [si+53], 31 ; 'down arrow' symbol
		655	@@:
		656	sub bx, [home_cursor]
		657	cmp bx, size_of_step*long_v_table
		658	jnz @f
		659	mov byte [si+53], 31 ; 'down arrow' symbol
		660	@@:
		661	pop bx
		662	cmp bx, [home_cursor]
		663	jnz @f
		664	mov byte [si+53], 30 ; 'up arrow' symbol
		665	@@:
		666	call printplain
		667	pop si
		668	add si, size_of_step
		669
		670	dec bp
		671	jnz .@@_next_bit
		672
		673	.@@_end:
		674	mov si, _bt
		675	call printplain
		676	ret
		677	.show_0x13:
		678	push si
		679
		680	cmp si, word [cursor_pos]
		681	jne @f
		682	mov word[ds:_r1+21], '>>'
		683	mov word[ds:_r1+50], '<<'
		684	@@:
		685	mov si, _r1
		686	jmp .@@_sh
		687	.show_0x12:
		688	push si
		689	cmp si, word [cursor_pos]
		690	jne @f
		691
		692	mov word[ds:_r2+21], '>>'
		693	mov word[ds:_r2+45], '<<'
		694	@@:
		695	mov si, _r2
		696	jmp .@@_sh
		697
		698	;-----------------------------------------------------------------------------
		699	;Clear arrea of current video page (0xb800)
		700	clear_vmodes_table:
		701	pusha
		702	; draw frames
		703	push es
		704	push 0xb800
		705	pop es
		706	mov di, 1444
		707	xor ax, ax
		708	mov ah, 1*16+15
3795	mario79	709	mov cx, 77
2288	clevermous	710	mov bp, 12
		711	.loop_start:
		712	rep stosw
3795	mario79	713	mov cx, 77
		714	add di, 6
2288	clevermous	715	dec bp
		716	jns .loop_start
		717	pop es
		718	popa
		719	ret
		720
		721	;-----------------------------------------------------------------------------
		722
		723	set_vmode:
		724	push 0 ;0;x1000
		725	pop es
		726
		727	mov si, word [preboot_graph] ;[preboot_graph]
		728	mov cx, word [es:si+6] ; number of mode
		729
10051	ace_dent	730
2288	clevermous	731	mov ax, word [es:si+0] ; resolution X
		732	mov bx, word [es:si+2] ; resolution Y
		733
		734
7132	dunkaist	735	mov word [es:BOOT_LO.x_res], ax ; resolution X
		736	mov word [es:BOOT_LO.y_res], bx ; resolution Y
		737	mov word [es:BOOT_LO.vesa_mode], cx ; number of mode
2288	clevermous	738
		739	cmp cx, 0x12
		740	je .mode0x12_0x13
		741	cmp cx, 0x13
		742	je .mode0x12_0x13
		743
		744
2407	mario79	745	; cmp byte [s_vesa.ver], '2'
		746	; jb .vesa12
2288	clevermous	747
		748	; VESA 2 and Vesa 3
		749
		750	mov ax, 0x4f01
		751	and cx, 0xfff
		752	mov di, mi;0xa000
		753	int 0x10
		754	; LFB
		755	mov eax, [es:mi.PhysBasePtr];di+0x28]
7132	dunkaist	756	mov [es:BOOT_LO.lfb], eax
2288	clevermous	757	; ---- vbe voodoo
7136	dunkaist	758	BytesPerLine = 0x10
2288	clevermous	759	mov ax, [es:di+BytesPerLine]
7132	dunkaist	760	mov [es:BOOT_LO.pitch], ax
2288	clevermous	761	; BPP
		762	cmp [es:mi.BitsPerPixel], 16
		763	jne .l0
		764	cmp [es:mi.GreenMaskSize], 5
		765	jne .l0
		766	mov [es:mi.BitsPerPixel], 15
		767	.l0:
		768	mov al, byte [es:di+0x19]
7132	dunkaist	769	mov [es:BOOT_LO.bpp], al
2288	clevermous	770	jmp .exit
		771
		772	.mode0x12_0x13:
7132	dunkaist	773	mov byte [es:BOOT_LO.bpp], 32
		774	or dword [es:BOOT_LO.lfb], 0xFFFFFFFF; 0x800000
2288	clevermous	775
		776
		777	; VESA 1.2 PM BANK SWITCH ADDRESS
		778
2407	mario79	779	;.vesa12:
		780	; mov ax, 0x4f0A
		781	; xor bx, bx
		782	; int 0x10
		783	; xor eax, eax
		784	; xor ebx, ebx
		785	; mov ax, es
		786	; shl eax, 4
		787	; mov bx, di
		788	; add eax, ebx
		789	; movzx ebx, word[es:di]
		790	; add eax, ebx
		791	; push 0x0000
		792	; pop es
7132	dunkaist	793	; mov [es:BOOT_LO.bank_sw], eax
2288	clevermous	794	.exit:
		795	ret
		796
		797	;=============================================================================
		798	;=============================================================================
		799	;=============================================================================
		800

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(root)/kernel/trunk/boot/bootvesa.inc @ 5363 – Rev 10051