WebSVN – Kolibri OS – Blame – /kernel/branches/Kolibri-acpi/sec_loader/trunk/kolibri_ldm/bootvesa.inc

Rev	Author	Line No.	Line
1065	Lrz	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
		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
		80	cursor_pos dw 0 ;�� .
		81	home_cursor dw 0 ;current shows rows a table
		82	end_cursor dw 0 ;end of position current shows rows a table
		83	scroll_start dw 0 ;start position of scroll bar
		84	scroll_end dw 0 ;end position of scroll bar
		85	long_v_table equ 9 ;long of visible video table
		86	size_of_step equ 10
		87	scroll_area_size equ (long_v_table-2)
		88	int2str:
		89	dec bl
		90	jz @f
2434	Serge	91	xor edx, edx
1065	Lrz	92	div ecx
		93	push edx
		94	call int2str
		95	pop eax
2434	Serge	96	@@:
		97	or al, 0x30
		98	mov [ds:di], al
1065	Lrz	99	inc di
		100	ret
		101
		102	int2strnz:
2434	Serge	103	cmp eax, ecx
1065	Lrz	104	jb @f
2434	Serge	105	xor edx, edx
1065	Lrz	106	div ecx
		107	push edx
		108	call int2strnz
		109	pop eax
2434	Serge	110	@@:
		111	or al, 0x30
		112	mov [es:di], al
1065	Lrz	113	inc di
		114	ret
		115
		116	;-------------------------------------------------------
		117	;Write message about incorrect v_mode and write message about jmp on swith v_mode
		118	v_mode_error:
		119	_setcursor 19,2
		120	mov si, fatalsel
		121	call printplain
		122	_setcursor 20,2
2434	Serge	123	mov si, pres_key
1065	Lrz	124	call printplain
2434	Serge	125	xor eax, eax
1065	Lrz	126	int 16h
		127	jmp cfgmanager.d
		128	;-------------------------------------------------------
		129	;
		130
		131
		132
		133	;-------------------------------------------------------
		134	print_vesa_info:
		135	_setcursor 5,2
		136
2434	Serge	137	mov [es:vi.VESASignature], 'VBE2'
		138	mov ax, 0x4F00
		139	mov di, vi ;0xa000
1065	Lrz	140	int 0x10
2434	Serge	141	or ah, ah
1065	Lrz	142	jz @f
2434	Serge	143	mov [es:vi.VESASignature], 'VESA'
		144	mov ax, $4F00
		145	mov di, vi
1065	Lrz	146	int 0x10
2434	Serge	147	or ah, ah
1065	Lrz	148	jnz .exit
		149	@@:
2434	Serge	150	cmp [es:vi.VESASignature], 'VESA'
1065	Lrz	151	jne .exit
2434	Serge	152	cmp [es:vi.VESAVersion], 0x0100
1065	Lrz	153	jb .exit
		154	jmp .vesaok2
		155
		156	.exit:
2434	Serge	157	mov si, novesa
1065	Lrz	158	call printplain
		159	ret
		160
		161	.vesaok2:
2434	Serge	162	mov ax, [es:vi.VESAVersion]
		163	add ax, '00'
1065	Lrz	164
		165	mov [s_vesa.ver], ah
		166	mov [s_vesa.ver+2], al
2434	Serge	167	mov si, s_vesa
1065	Lrz	168	call printplain
		169
		170	_setcursor 4,2
2434	Serge	171	mov si, word[es:vi.OemStringPtr]
		172	mov di, si
1065	Lrz	173
		174	push ds
2434	Serge	175	mov ds, word[es:vi.OemStringPtr+2]
1065	Lrz	176	call printplain
		177	pop ds
		178
		179	ret
		180	;-----------------------------------------------------------------------------
		181
		182	calc_vmodes_table:
		183	pushad
		184
		185	; push 0
		186	; pop es
		187
		188	lfs si, [es:vi.VideoModePtr]
		189
2434	Serge	190	mov bx, modes_table
1065	Lrz	191	;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
2434	Serge	192	mov word [es:bx], 640
		193	mov word [es:bx+2], 480
		194	mov word [es:bx+6], 0x13
1065	Lrz	195
2434	Serge	196	mov word [es:bx+10], 640
		197	mov word [es:bx+12], 480
		198	mov word [es:bx+16], 0x12
		199	add bx, 20
1065	Lrz	200	.next_mode:
2434	Serge	201	mov cx, word [fs:si]; mode number
		202	cmp cx, -1
1065	Lrz	203	je .modes_ok.2
		204
2434	Serge	205	mov ax, 0x4F01
		206	mov di, mi
1065	Lrz	207	int 0x10
		208
2434	Serge	209	or ah, ah
1065	Lrz	210	jnz .modes_ok.2;vesa_info.exit
		211
2434	Serge	212	test [es:mi.ModeAttributes], 00000001b ;videomode support ?
1065	Lrz	213	jz @f
2434	Serge	214	test [es:mi.ModeAttributes], 00010000b ;picture ?
1065	Lrz	215	jz @f
2434	Serge	216	test [es:mi.ModeAttributes], 10000000b ;LFB ?
1065	Lrz	217	jz @f
		218
2434	Serge	219	cmp [es:mi.BitsPerPixel], 24 ;It show only videomodes to have support 24 and 32 bpp
1065	Lrz	220	jb @f
		221
		222	; cmp [es:mi.BitsPerPixel],16
		223	; jne .l0
		224	; cmp [es:mi.GreenMaskSize],5
		225	; jne .l0
		226	; mov [es:mi.BitsPerPixel],15
		227
		228
		229	.l0:
2434	Serge	230	cmp [es:mi.XRes], 640
1065	Lrz	231	jb @f
2434	Serge	232	cmp [es:mi.YRes], 480
1065	Lrz	233	jb @f
		234	; cmp [es:mi.BitsPerPixel],8
		235	; jb @f
		236
2434	Serge	237	mov ax, [es:mi.XRes]
		238	mov [es:bx+0], ax ; +0[2] : resolution X
		239	mov ax, [es:mi.YRes]
		240	mov [es:bx+2], ax ; +2[2] : resolution Y
		241	mov ax, [es:mi.ModeAttributes]
		242	mov [es:bx+4], ax ; +4[2] : attributes
1065	Lrz	243
2434	Serge	244	cmp [s_vesa.ver], '2'
1065	Lrz	245	jb .lp1
		246
2434	Serge	247	or cx, 0x4000 ; use LFB
		248	.lp1:
		249	mov [es:bx+6], cx ; +6 : mode number
		250	movzx ax, byte [es:mi.BitsPerPixel]
		251	mov word [es:bx+8], ax ; +8 : bits per pixel
		252	add bx, size_of_step ; size of record
1065	Lrz	253
		254	@@:
2434	Serge	255	add si, 2
1065	Lrz	256	jmp .next_mode
		257
		258	.modes_ok.2:
		259
2434	Serge	260	mov word[es:bx], -1 ;end video table
		261	mov word[end_cursor], bx ;save end cursor position
1065	Lrz	262	;;;;;;;;;;;;;;;;;;
		263	;Sort array
		264	; mov si,modes_table
		265	;.new_mode:
		266	; mov ax,word [es:si]
		267	; cmp ax,-1
		268	; je .exxit
		269	; add ax,word [es:si+2]
		270	; add ax,word [es:si+8]
		271	; mov bp,si
		272	;.again:
		273	; add bp,12
		274	; mov bx,word [es:bp]
		275	; cmp bx,-1
		276	; je .exit
		277	; add bx,word [es:bp+2]
		278	; add bx,word [es:bp+8]
		279	;
		280	; cmp ax,bx
		281	; ja .loops
		282	; jmp .again
		283	;.loops:
		284	; push dword [es:si]
		285	; push dword [es:si+4]
		286	; push dword [es:si+8]
		287	; push dword [es:bp]
		288	; push dword [es:bp+4]
		289	; push dword [es:bp+8]
		290	;
		291	; pop dword [es:si+8]
		292	; pop dword [es:si+4]
		293	; pop dword [es:si]
		294	; pop dword [es:bp+8]
		295	; pop dword [es:bp+4]
		296	; pop dword [es:bp]
		297	; jmp .new_mode
		298	;
		299	;.exit: add si,12
		300	; jmp .new_mode
		301	;.exxit:
		302	popad
		303	ret
		304
		305	;-----------------------------------------------------------------------------
		306
		307	draw_current_vmode:
		308	push 0
		309	pop es
		310
2434	Serge	311	mov si, word [cursor_pos]
1065	Lrz	312
2434	Serge	313	cmp word [es:si+6], 0x12
1065	Lrz	314	je .no_vesa_0x12
		315
2434	Serge	316	cmp word [es:si+6], 0x13
1065	Lrz	317	je .no_vesa_0x13
		318
2434	Serge	319	mov di, loader_block_error
		320	movzx eax, word[es:si+0]
		321	mov ecx, 10
1065	Lrz	322	call int2strnz
2434	Serge	323	mov byte[es:di], 'x'
1065	Lrz	324	inc di
2434	Serge	325	movzx eax, word[es:si+2]
1065	Lrz	326	call int2strnz
2434	Serge	327	mov byte[es:di], 'x'
1065	Lrz	328	inc di
2434	Serge	329	movzx eax, word[es:si+8]
1065	Lrz	330	call int2strnz
2434	Serge	331	mov dword[es:di], 0x00000d0a
		332	mov si, loader_block_error
1065	Lrz	333	push ds
		334	push es
		335	pop ds
		336	call printplain
		337	pop ds
		338	ret
		339	.no_vesa_0x13:
2434	Serge	340	mov si, mode0
1065	Lrz	341	jmp .print
		342	.no_vesa_0x12:
2434	Serge	343	mov si, mode9
1065	Lrz	344	.print:
		345	call printplain
2434	Serge	346	ret
1065	Lrz	347	;-----------------------------------------------------------------------------
		348	check_first_parm:
2434	Serge	349	mov si, word [preboot_graph]
		350	test si, si
		351	jnz .no_zero ;if no zero
1065	Lrz	352	.zerro:
		353	; mov ax,modes_table
		354	; mov word [cursor_pos],ax
		355	; mov word [home_cursor],ax
		356	; mov word [preboot_graph],ax
		357	;SET default video of mode first probe will fined a move of work 1024x768@32
		358
2434	Serge	359	mov ax, 1024
		360	mov bx, 768
		361	mov si, modes_table
1065	Lrz	362	call .loops
2434	Serge	363	test ax, ax
		364	jz .ok_found_mode
		365	mov ax, 800
		366	mov bx, 600
		367	mov si, modes_table
1065	Lrz	368	call .loops
2434	Serge	369	test ax, ax
		370	jz .ok_found_mode
		371	mov ax, 640
		372	mov bx, 480
		373	mov si, modes_table
1065	Lrz	374	call .loops
2434	Serge	375	test ax, ax
		376	jz .ok_found_mode
1065	Lrz	377
2434	Serge	378	mov si, modes_table
1065	Lrz	379	jmp .ok_found_mode
		380
		381
		382
		383	.no_zero:
2434	Serge	384	mov bp, word [number_vm]
		385	cmp bp, word [es:si+6]
1065	Lrz	386	jz .ok_found_mode
2434	Serge	387	mov ax, word [x_save]
		388	mov bx, word [y_save]
		389	mov si, modes_table
1065	Lrz	390	call .loops
2434	Serge	391	test ax, ax
		392	jz .ok_found_mode
1065	Lrz	393
2434	Serge	394	mov si, modes_table
1065	Lrz	395	; cmp ax,modes_table
		396	; jb .zerro ;check on correct if bellow
		397	; cmp ax,word [end_cursor]
		398	; ja .zerro ;check on correct if anymore
		399
		400	.ok_found_mode:
2434	Serge	401	mov word [home_cursor], si
1065	Lrz	402	; mov word [cursor_pos],si
2434	Serge	403	mov word [preboot_graph], si
		404	mov ax, si
1065	Lrz	405
2434	Serge	406	mov ecx, long_v_table
1065	Lrz	407
2434	Serge	408	.loop:
		409	add ax, size_of_step
		410	cmp ax, word [end_cursor]
1065	Lrz	411	jae .next_step
		412	loop .loop
		413	.next_step:
2434	Serge	414	sub ax, size_of_step*long_v_table
		415	cmp ax, modes_table
1065	Lrz	416	jae @f
2434	Serge	417	mov ax, modes_table
1065	Lrz	418	@@:
		419
2434	Serge	420	mov word [home_cursor], ax
		421	mov si, [preboot_graph]
		422	mov word [cursor_pos], si
1065	Lrz	423
		424	push word [es:si]
		425	pop word [x_save]
		426	push word [es:si+2]
		427	pop word [y_save]
		428	push word [es:si+6]
		429	pop word [number_vm]
		430
		431	ret
		432	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		433	.loops:
2434	Serge	434	cmp ax, word [es:si]
1065	Lrz	435	jne .next
2434	Serge	436	cmp bx, word [es:si+2]
1065	Lrz	437	jne .next
2434	Serge	438	cmp word [es:si+8], 32
1065	Lrz	439	je .ok
2434	Serge	440	cmp word [es:si+8], 24
1065	Lrz	441	je .ok
2434	Serge	442	.next:
		443	add si, size_of_step
		444	cmp word [es:si], -1
1065	Lrz	445	je .exit
		446	jmp .loops
2434	Serge	447	.ok:
		448	xor ax, ax
		449	ret
		450	.exit:
		451	or ax, -1
		452	ret
1065	Lrz	453
		454
		455	;-----------------------------------------------------------------------------
		456
		457	;default_vmode:
		458
		459	;-----------------------------------------------------------------------------
		460	draw_vmodes_table:
		461	_setcursor 9, 2
2434	Serge	462	mov si, gr_mode
1065	Lrz	463	call printplain
		464
2434	Serge	465	mov si, _st
1065	Lrz	466	call printplain
		467
		468	push word [cursor_pos]
		469	pop ax
		470	push word [home_cursor]
		471	pop si
2434	Serge	472	mov cx, si
1065	Lrz	473
2434	Serge	474	cmp ax, si
1065	Lrz	475	je .ok
		476	jb .low
		477
		478
2434	Serge	479	add cx, size_of_step*long_v_table
1065	Lrz	480
2434	Serge	481	cmp ax, cx
1065	Lrz	482	jb .ok
		483
2434	Serge	484	sub cx, size_of_step*long_v_table
		485	add cx, size_of_step
		486	cmp cx, word[end_cursor]
1065	Lrz	487	jae .ok
2434	Serge	488	add si, size_of_step
1065	Lrz	489	push si
		490	pop word [home_cursor]
		491	jmp .ok
		492
		493
2434	Serge	494	.low:
		495	sub cx, size_of_step
		496	cmp cx, modes_table
1065	Lrz	497	jb .ok
		498	push cx
		499	push cx
		500	pop word [home_cursor]
		501	pop si
		502
		503
		504	.ok:
		505	; calculate scroll position
		506	push si
		507	mov ax, [end_cursor]
		508	sub ax, modes_table
		509	mov bx, size_of_step
		510	cwd
		511	div bx
		512	mov si, ax ; si = size of list
		513	mov ax, [home_cursor]
		514	sub ax, modes_table
		515	cwd
		516	div bx
		517	mov di, ax
		518	mov ax, scroll_area_size*long_v_table
		519	cwd
		520	div si
		521	test ax, ax
		522	jnz @f
		523	inc ax
		524	@@:
		525	cmp al, scroll_area_size
		526	jb @f
		527	mov al, scroll_area_size
		528	@@:
		529	mov cx, ax
		530	; cx = scroll height
		531	; calculate scroll pos
		532	xor bx, bx ; initialize scroll pos
		533	sub al, scroll_area_size+1
		534	neg al
		535	sub si, long_v_table-1
		536	jbe @f
		537	mul di
		538	div si
		539	mov bx, ax
		540	@@:
		541	inc bx
		542	imul ax, bx, size_of_step
		543	add ax, [home_cursor]
		544	mov [scroll_start], ax
		545	imul cx, size_of_step
		546	add ax, cx
		547	mov [scroll_end], ax
		548	pop si
2434	Serge	549	mov bp, long_v_table ;show rows
1065	Lrz	550	.@@_next_bit:
		551	;clear cursor
2434	Serge	552	mov ax, ' '
		553	mov word[ds:_r1+21], ax
		554	mov word[ds:_r1+50], ax
1065	Lrz	555
2434	Serge	556	mov word[ds:_r2+21], ax
		557	mov word[ds:_r2+45], ax
1065	Lrz	558
2434	Serge	559	mov word[ds:_rs+21], ax
		560	mov word[ds:_rs+46], ax
1065	Lrz	561	; draw string
2434	Serge	562	cmp word [es:si+6], 0x12
1065	Lrz	563	je .show_0x12
2434	Serge	564	cmp word [es:si+6], 0x13
1065	Lrz	565	je .show_0x13
		566
2434	Serge	567	movzx eax, word[es:si]
		568	cmp ax, -1
1065	Lrz	569	je .@@_end
2434	Serge	570	mov di, _rs+23
		571	mov ecx, 10
		572	mov bl, 4
1065	Lrz	573	call int2str
2434	Serge	574	movzx eax, word[es:si+2]
1065	Lrz	575	inc di
2434	Serge	576	mov bl, 4
1065	Lrz	577	call int2str
		578
2434	Serge	579	movzx eax, word[es:si+8]
1065	Lrz	580	inc di
2434	Serge	581	mov bl, 2
1065	Lrz	582	call int2str
		583
		584	cmp si, word [cursor_pos]
		585	jne .next
		586	;draw cursor
2434	Serge	587	mov word[ds:_rs+21], '>>'
		588	mov word[ds:_rs+46], '<<'
1065	Lrz	589
		590
		591
		592	.next:
		593	push si
2434	Serge	594	mov si, _rs
1065	Lrz	595	.@@_sh:
		596	; add to the string pseudographics for scrollbar
		597	pop bx
		598	push bx
		599	mov byte [si+53], ' '
		600	cmp bx, [scroll_start]
		601	jb @f
		602	cmp bx, [scroll_end]
		603	jae @f
		604	mov byte [si+53], 0xDB ; filled bar
		605	@@:
		606	push bx
		607	add bx, size_of_step
		608	cmp bx, [end_cursor]
		609	jnz @f
		610	mov byte [si+53], 31 ; 'down arrow' symbol
		611	@@:
		612	sub bx, [home_cursor]
		613	cmp bx, size_of_step*long_v_table
		614	jnz @f
		615	mov byte [si+53], 31 ; 'down arrow' symbol
		616	@@:
		617	pop bx
		618	cmp bx, [home_cursor]
		619	jnz @f
		620	mov byte [si+53], 30 ; 'up arrow' symbol
		621	@@:
		622	call printplain
		623	pop si
2434	Serge	624	add si, size_of_step
1065	Lrz	625
		626	dec bp
		627	jnz .@@_next_bit
		628
		629	.@@_end:
2434	Serge	630	mov si, _bt
1065	Lrz	631	call printplain
		632	ret
		633	.show_0x13:
		634	push si
		635
		636	cmp si, word [cursor_pos]
		637	jne @f
2434	Serge	638	mov word[ds:_r1+21], '>>'
		639	mov word[ds:_r1+50], '<<'
1065	Lrz	640	@@:
2434	Serge	641	mov si, _r1
1065	Lrz	642	jmp .@@_sh
		643	.show_0x12:
		644	push si
		645	cmp si, word [cursor_pos]
		646	jne @f
		647
2434	Serge	648	mov word[ds:_r2+21], '>>'
		649	mov word[ds:_r2+45], '<<'
1065	Lrz	650	@@:
2434	Serge	651	mov si, _r2
1065	Lrz	652	jmp .@@_sh
		653
		654	;-----------------------------------------------------------------------------
		655	;Clear arrea of current video page (0xb800)
		656	clear_vmodes_table:
		657	pusha
		658	; draw frames
		659	push es
		660	push 0xb800
		661	pop es
2434	Serge	662	mov di, 1444
		663	xor ax, ax
1065	Lrz	664	mov ah, 1*16+15
2434	Serge	665	mov cx, 70
		666	mov bp, 12
1065	Lrz	667	.loop_start:
2434	Serge	668	rep stosw
		669	mov cx, 70
		670	add di, 20
1065	Lrz	671	dec bp
2434	Serge	672	jns .loop_start
1065	Lrz	673	pop es
		674	popa
		675	ret
		676
		677	;-----------------------------------------------------------------------------
		678
		679	set_vmode:
		680	push 0 ;0;x1000
		681	pop es
		682
2434	Serge	683	mov si, word [preboot_graph] ;[preboot_graph]
		684	mov cx, word [es:si+6] ; number of mode
1065	Lrz	685
		686
2434	Serge	687	mov ax, word [es:si+0] ; resolution X
		688	mov bx, word [es:si+2] ; resolution Y
1065	Lrz	689
		690
2434	Serge	691	mov word [es:0x900A], ax ; resolution X
		692	mov word [es:0x900C], bx ; resolution Y
		693	mov word [es:0x9008], cx ; number of mode
1065	Lrz	694
2434	Serge	695	cmp cx, 0x12
1065	Lrz	696	je .mode0x12_0x13
2434	Serge	697	cmp cx, 0x13
1065	Lrz	698	je .mode0x12_0x13
		699
		700
2434	Serge	701	cmp byte [s_vesa.ver], '2'
1065	Lrz	702	jb .vesa12
		703
		704	; VESA 2 and Vesa 3
		705
2434	Serge	706	mov ax, 0x4f01
		707	and cx, 0xfff
		708	mov di, mi;0xa000
1065	Lrz	709	int 0x10
		710	; LFB
2434	Serge	711	mov eax, [es:mi.PhysBasePtr];di+0x28]
		712	mov [es:0x9018], eax
1065	Lrz	713	; ---- vbe voodoo
		714	BytesPerLine equ 0x10
		715	mov ax, [es:di+BytesPerLine]
		716	mov [es:0x9001], ax
		717	; BPP
2434	Serge	718	cmp [es:mi.BitsPerPixel], 16
1065	Lrz	719	jne .l0
2434	Serge	720	cmp [es:mi.GreenMaskSize], 5
1065	Lrz	721	jne .l0
2434	Serge	722	mov [es:mi.BitsPerPixel], 15
1065	Lrz	723	.l0:
		724	mov al, byte [es:di+0x19]
		725	mov [es:0x9000], al
		726	jmp .exit
		727
		728	.mode0x12_0x13:
		729	mov byte [es:0x9000], 32
		730	or dword [es:0x9018], 0xFFFFFFFF; 0x800000
		731
		732
		733	; VESA 1.2 PM BANK SWITCH ADDRESS
		734
		735	.vesa12:
		736
		737
2434	Serge	738	mov ax, 0x4f0A
		739	xor bx, bx
1065	Lrz	740	int 0x10
2434	Serge	741	xor eax, eax
		742	xor ebx, ebx
		743	mov ax, es
		744	shl eax, 4
		745	mov bx, di
		746	add eax, ebx
		747	movzx ebx, word[es:di]
		748	add eax, ebx
1065	Lrz	749	push 0x0000
		750	pop es
2434	Serge	751	mov [es:0x9014], eax
1065	Lrz	752	.exit:
		753	ret
		754
		755
		756	; mov dword[es:0x9018],0x000A0000
		757	; ret
		758
		759	;=============================================================================
		760	;=============================================================================
		761	;=============================================================================
		762

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(root)/kernel/branches/Kolibri-acpi/sec_loader/trunk/kolibri_ldm/bootvesa.inc – Rev 2434