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

Rev	Author	Line No.	Line
714	Lrz	1
		2	.VESASignature dd ? ; char
		3	.VESAVersion dw ? ; short
		4	.OemStringPtr dd ? ; char *
		5	.Capabilities dd ? ; ulong
		6	.VideoModePtr dd ? ; ulong
		7	.TotalMemory dw ? ; short
		8	; VBE 2.0+
		9	.OemSoftwareRev db ? ; short
		10	.OemVendorNamePtr dw ? ; char *
		11	.OemProductNamePtr dw ? ; char *
		12	.OemProductRevPtr dw ? ; char *
		13	.reserved rb 222 ; char
		14	.OemData rb 256 ; char
		15	}
		16
		17
		18	.ModeAttributes dw ? ; short
		19	.WinAAttributes db ? ; char
		20	.WinBAttributes db ? ; char
		21	.WinGranularity dw ? ; short
		22	.WinSize dw ? ; short
		23	.WinASegment dw ? ; ushort
		24	.WinBSegment dw ? ; ushort
		25	.WinFuncPtr dd ? ; void *
		26	.BytesPerScanLine dw ? ; short
		27	.XRes dw ? ; short
		28	.YRes dw ? ; short
		29	.XCharSize db ? ; char
		30	.YCharSize db ? ; char
		31	.NumberOfPlanes db ? ; char
		32	.BitsPerPixel db ? ; char
		33	.NumberOfBanks db ? ; char
		34	.MemoryModel db ? ; char
		35	.BankSize db ? ; char
		36	.NumberOfImagePages db ? ; char
		37	.res1 db ? ; char
		38	.RedMaskSize db ? ; char
		39	.RedFieldPosition db ? ; char
		40	.GreenMaskSize db ? ; char
		41	.GreenFieldPosition db ? ; char
		42	.BlueMaskSize db ? ; char
		43	.BlueFieldPosition db ? ; char
		44	.RsvedMaskSize db ? ; char
		45	.RsvedFieldPosition db ? ; char
		46	.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
		47	; VBE 2.0+
		48	.PhysBasePtr dd ? ; ulong
		49	.OffScreenMemOffset dd ? ; ulong
		50	.OffScreenMemSize dw ? ; short
		51	; VBE 3.0+
		52	.LinbytesPerScanLine dw ? ; short
		53	.BankNumberOfImagePages db ? ; char
		54	.LinNumberOfImagePages db ? ; char
		55	.LinRedMaskSize db ? ; char
		56	.LinRedFieldPosition db ? ; char
		57	.LingreenMaskSize db ? ; char
		58	.LinGreenFieldPosition db ? ; char
		59	.LinBlueMaskSize db ? ; char
		60	.LinBlueFieldPosition db ? ; char
		61	.LinRsvdMaskSize db ? ; char
		62	.LinRsvdFieldPosition db ? ; char
		63	.MaxPixelClock dd ? ; ulong
		64	.res2 rb 190 ; char
		65	}
		66
		67
		68	vi VBE_VGAInfo
		69	mi VBE_ModeInfo
		70	modes_table:
		71	end virtual
		72	cursor_pos dw 0 ;�� .
		73	home_cursor dw 0 ;current shows rows a table
		74	end_cursor dw 0 ;end of position current shows rows a table
		75	long_v_table equ 9 ;long of visible video table
		76	size_of_step equ 10
		77	int2str:
		78	dec bl
		79	jz @f
		80	xor edx,edx
		81	div ecx
		82	push edx
		83	call int2str
		84	pop eax
		85	@@: or al,0x30
		86	mov [ds:di],al
		87	inc di
		88	ret
		89
		90
		91	cmp eax,ecx
		92	jb @f
		93	xor edx,edx
		94	div ecx
		95	push edx
		96	call int2strnz
		97	pop eax
		98	@@: or al,0x30
		99	mov [es:di],al
		100	inc di
		101	ret
		102	;-------------------------------------------------------
		103	;Write message about incorrect v_mode and write message about jmp on swith v_mode
		104	v_mode_error:
		105	_setcursor 19,2
		106	mov si, fatalsel
		107	call printplain
		108	_setcursor 20,2
		109	mov si,pres_key
		110	call printplain
		111	xor eax,eax
		112	int 16h
		113	jmp cfgmanager.d
		114	;-------------------------------------------------------
		115	;
		116
		117
		118
		119
		120	print_vesa_info:
		121	_setcursor 5,2
		122
		123
		124	mov ax,0x4F00
		125	mov di,vi ;0xa000
		126	int 0x10
		127	or ah,ah
		128	jz @f
		129	mov [es:vi.VESASignature],'VESA'
		130	mov ax,$4F00
		131	mov di,vi
		132	int 0x10
		133	or ah,ah
		134	jnz .exit
		135	@@:
		136	cmp [es:vi.VESASignature],'VESA'
		137	jne .exit
		138	cmp [es:vi.VESAVersion],0x0100
		139	jb .exit
		140	jmp .vesaok2
		141
		142
		143	mov si,novesa
		144	call printplain
		145	ret
		146
		147
		148	mov ax,[es:vi.VESAVersion]
		149	add ax,'00'
		150
		151
		152	mov [s_vesa.ver+2], al
		153	mov si,s_vesa
		154	call printplain
		155
		156
		157	mov si,word[es:vi.OemStringPtr]
		158	mov di,si
		159
		160
		161	mov ds,word[es:vi.OemStringPtr+2]
		162	call printplain
		163	pop ds
		164
		165
		166	;-----------------------------------------------------------------------------
		167
		168
		169	pushad
		170
		171
		172	; pop es
		173
		174
730	diamond	175
714	Lrz	176
		177	;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
		178	mov word [es:bx],640
		179	mov word [es:bx+2],480
		180	mov word [es:bx+6],0x13
		181
		182
		183	mov word [es:bx+12],480
		184	mov word [es:bx+16],0x12
		185	add bx,20
		186	.next_mode:
		187	mov cx,word [fs:si] ; mode number
		188	cmp cx,-1
		189	je .modes_ok.2
		190
		191
		192	mov di,mi
		193	int 0x10
		194
		195
		196	jnz .modes_ok.2;vesa_info.exit
		197
		198
		199	jz @f
		200	test [es:mi.ModeAttributes],00010000b ;picture ?
		201	jz @f
		202	test [es:mi.ModeAttributes],10000000b ;LFB ?
		203	jz @f
		204
		205
730	diamond	206	; jb @f
		207
		208
714	Lrz	209	jne .l0
		210	cmp [es:mi.GreenMaskSize],5
		211	jne .l0
		212	mov [es:mi.BitsPerPixel],15
		213
		214
		215
		216	cmp [es:mi.XRes],640
		217	jb @f
		218	cmp [es:mi.YRes],480
		219	jb @f
		220	; cmp [es:mi.BitsPerPixel],8
		221	; jb @f
		222
		223
		224	mov [es:bx+0],ax ; +0[2] : resolution X
		225	mov ax,[es:mi.YRes]
		226	mov [es:bx+2],ax ; +2[2] : resolution Y
		227	mov ax,[es:mi.ModeAttributes]
		228	mov [es:bx+4],ax ; +4[2] : attributes
		229
		230
		231	jb .lp1
		232
		233
		234	.lp1: mov [es:bx+6],cx ; +6 : mode number
		235	movzx ax,byte [es:mi.BitsPerPixel]
		236	mov word [es:bx+8],ax ; +8 : bits per pixel
		237	add bx,size_of_step
		238
		239
		240	add si,2
		241	jmp .next_mode
		242
		243
		244
		245
		246	mov word[end_cursor],bx ;save end cursor position
		247	;;;;;;;;;;;;;;;;;;
		248	;Sort array
		249	; mov si,modes_table
		250	;.new_mode:
		251	; mov ax,word [es:si]
		252	; cmp ax,-1
		253	; je .exxit
		254	; add ax,word [es:si+2]
		255	; add ax,word [es:si+8]
		256	; mov bp,si
		257	;.again:
		258	; add bp,12
		259	; mov bx,word [es:bp]
		260	; cmp bx,-1
		261	; je .exit
		262	; add bx,word [es:bp+2]
		263	; add bx,word [es:bp+8]
		264	;
		265	; cmp ax,bx
		266	; ja .loops
		267	; jmp .again
		268	;.loops:
		269	; push dword [es:si]
		270	; push dword [es:si+4]
		271	; push dword [es:si+8]
		272	; push dword [es:bp]
		273	; push dword [es:bp+4]
		274	; push dword [es:bp+8]
		275	;
		276	; pop dword [es:si+8]
		277	; pop dword [es:si+4]
		278	; pop dword [es:si]
		279	; pop dword [es:bp+8]
		280	; pop dword [es:bp+4]
		281	; pop dword [es:bp]
		282	; jmp .new_mode
		283	;
		284	;.exit: add si,12
		285	; jmp .new_mode
		286	;.exxit:
		287	popad
		288	ret
		289
		290
		291
		292
		293	push 0
		294	pop es
		295
		296
		297
		298
		299	je .no_vesa_0x12
		300
		301
		302	je .no_vesa_0x13
		303
		304
		305	movzx eax,word[es:si+0]
		306	mov ecx,10
		307	call int2strnz
		308	mov byte[es:di],'x'
		309	inc di
		310	movzx eax,word[es:si+2]
		311	call int2strnz
		312	mov byte[es:di],'x'
		313	inc di
		314	movzx eax,word[es:si+8]
		315	call int2strnz
		316	mov dword[es:di],0x00000d0a
		317	mov si,loader_block_error
		318	push ds
		319	push es
		320	pop ds
		321	call printplain
		322	pop ds
		323	ret
		324	.no_vesa_0x13:
		325	mov si,mode0
		326	jmp .print
		327	.no_vesa_0x12:
		328	mov si,mode9
		329	.print:
		330	call printplain
		331	ret
		332	;-----------------------------------------------------------------------------
		333	check_first_parm:
		334	mov ax,word [preboot_graph]
		335	test ax,ax
		336	jnz .no_zero ;if no zero
		337	.zerro:
		338	; mov ax,modes_table
		339	; mov word [cursor_pos],ax
		340	; mov word [home_cursor],ax
		341	; mov word [preboot_graph],ax
		342	;SET default video of mode first probe will fined a move of work 1024x768@32
		343
		344
		345	mov bx,768
		346	mov si,modes_table
		347	call .loops
		348	test ax,ax
		349	jz .ok_found_mode
		350	mov ax,800
		351	mov bx,600
		352	mov si,modes_table
		353	call .loops
		354	test ax,ax
		355	jz .ok_found_mode
		356	mov ax,640
		357	mov bx,480
		358	mov si,modes_table
		359	call .loops
		360	test ax,ax
		361	jz .ok_found_mode
		362
		363
		364
		365
		366
		367	mov word [home_cursor],si
		368	; mov word [cursor_pos],si
		369	mov word [preboot_graph],si
		370	mov ax,si
		371
		372
		373	cmp ax,modes_table
		374	jb .zerro ;check on correct if bellow
		375	cmp ax,word [end_cursor]
		376	ja .zerro ;check on correct if anymore
		377
		378
		379
		380
		381	cmp ax,word [end_cursor]
		382	jae .next_step
		383	loop .loop
		384	.next_step:
		385	sub ax,size_of_step*long_v_table
		386	cmp ax,modes_table
		387	jb .zerro
		388
		389
		390	push word [preboot_graph]
		391	pop word [cursor_pos]
		392	ret
		393	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		394	.loops:
		395	cmp ax,word [es:si]
		396	jne .next
		397	cmp bx,word [es:si+2]
		398	jne .next
		399	cmp word [es:si+8],32
		400	je .ok
		401	cmp word [es:si+8],24
		402	je .ok
		403	.next: add si,size_of_step
		404	cmp word [es:si],-1
		405	je .exit
		406	jmp .loops
		407	.ok: xor ax,ax
		408	.exit: ret
		409
		410
		411
		412
		413
		414
		415
		416	draw_vmodes_table:
		417	_setcursor 9, 2
		418	mov si,gr_mode
		419	call printplain
		420
		421
		422	call printplain
		423
		424
		425	pop ax
		426	push word [home_cursor]
		427	pop si
		428	mov cx,si
		429
		430
		431	je .ok
		432	jb .low
		433
		434
		435
		436
		437
		438	jb .ok
		439
		440
		441	add cx,size_of_step
		442	cmp cx,word[end_cursor]
		443	jae .ok
		444	add si,size_of_step
		445	push si
		446	pop word [home_cursor]
		447	jmp .ok
		448
		449
		450
		451	cmp cx,modes_table
		452	jb .ok
		453	push cx
		454	push cx
		455	pop word [home_cursor]
		456	pop si
		457
		458
		459
		460	mov bp,long_v_table ;show rows
		461	.@@_next_bit:
		462	cmp word [es:si+6],0x12
		463	je .show_0x12
		464	cmp word [es:si+6],0x13
		465	je .show_0x13
		466
		467
		468	cmp ax,-1
		469	je .@@_end
		470	mov di,_rs+23
		471	mov ecx,10
		472	mov bl,4
		473	call int2str
		474	movzx eax,word[es:si+2]
		475	inc di
		476	mov bl,4
		477	call int2str
		478
		479
		480	inc di
		481	mov bl,2
		482	call int2str
		483	;clear cursor
		484	mov word[ds:_r1+21],' '
		485	mov word[ds:_r1+50],' '
		486
		487
		488	mov word[ds:_r2+45],' '
		489
		490
		491	mov word[ds:_rs+46],' '
		492
		493
		494	jne .next
		495	;draw cursor
		496	mov word[ds:_rs+21],'>>'
		497	mov word[ds:_rs+46],'<<'
		498
		499
		500
		501
		502	push si
		503	mov si,_rs
		504	.@@_sh:
		505	call printplain
		506	pop si
		507	add si,size_of_step
		508
		509
		510	jnz .@@_next_bit
		511
		512
		513	mov si,_bt
		514	call printplain
		515	; show scroll
730	diamond	516	push es
		517	push 0xB800
		518	pop es
		519	; arrows
		520	mov di, (1180+53)2
		521	mov al, 30
		522	stosb
		523	add di, 80*2-1
		524	mov al, 32
		525	mov cx, 7
		526	@@:
		527	stosb
		528	add di, 80*2-1
		529	loop @b
		530	mov al, 31
		531	stosb
		532	; calculate scroll size
		533	mov ax, [end_cursor]
		534	sub ax, modes_table
		535	mov bx, size_of_step
		536	cwd
		537	div bx
		538	mov si, ax ; si = size of list
		539	mov ax, [home_cursor]
		540	sub ax, modes_table
		541	cwd
		542	div bx
		543	mov di, ax
		544	mov ax, 7*9
		545	cwd
		546	div si
		547	test ax, ax
		548	jnz @f
		549	inc ax
		550	@@:
		551	cmp al, 7
		552	jb @f
		553	mov al, 7
		554	@@:
		555	mov cx, ax
		556	; cx = scroll height
		557	; calculate scroll pos
		558	xor bx, bx ; initialize scroll pos
		559	sub al, 7+1
		560	neg al
		561	sub si, 9-1
		562	jbe .draw_scroll
		563	mul di
		564	div si
		565	mov bx, ax
		566	.draw_scroll:
		567	mov al, 0xDB
		568	imul di, bx, 80*2
		569	add di, (1280+53)2
		570	@@:
		571	stosb
		572	add di, 80*2-1
		573	loop @b
		574	pop es
		575	ret
714	Lrz	576	.show_0x13:
		577	push si
		578
		579
		580	jne @f
		581	mov word[ds:_r1+21],'>>'
		582	mov word[ds:_r1+50],'<<'
		583	@@:
		584	mov si,_r1
		585	jmp .@@_sh
		586	.show_0x12:
		587	push si
		588	cmp si, word [cursor_pos]
		589	jne @f
		590
		591
		592	mov word[ds:_r2+45],'<<'
		593	@@:
		594	mov si,_r2
		595	jmp .@@_sh
		596
		597
		598	;Clear arrea of current video page (0xb800)
		599	clear_vmodes_table:
		600	pusha
		601	; draw frames
		602	push es
		603	push 0xb800
		604	pop es
		605	mov di,1444
		606	xor ax,ax
		607	mov ah, 1*16+15
		608	mov cx,70
		609	mov bp,12
		610	.loop_start:
		611	rep stosw
		612	mov cx,70
		613	add di,20
		614	dec bp ; 㬥�� DX,
		615	jns .loop_start
		616	pop es
		617	popa
		618	ret
		619
		620
		621
		622
		623	push 0 ;0;x1000
		624	pop es
		625
		626
		627	mov cx,word [es:si+6] ; number of mode
		628
		629
		630
		631	mov bx,word [es:si+2] ; resolution Y
		632
		633
		634
		635	mov word [es:0x900C],bx ; resolution Y
		636	mov word [es:0x9008],cx ; number of mode
		637
		638
		639	je .mode0x12_0x13
		640	cmp cx,0x13
		641	je .mode0x12_0x13
		642
		643
		644
		645	jb .vesa12
		646
		647
		648
		649
		650	and cx,0xfff
		651	mov di,mi;0xa000
		652	int 0x10
		653	; LFB
		654	mov eax,[es:mi.PhysBasePtr];di+0x28]
		655	mov [es:0x9018],eax
		656	; ---- vbe voodoo
		657	BytesPerLine equ 0x10
		658	mov ax, [es:di+BytesPerLine]
		659	mov [es:0x9001], ax
		660	; BPP
		661	cmp [es:mi.BitsPerPixel],16
		662	jne .l0
		663	cmp [es:mi.GreenMaskSize],5
		664	jne .l0
		665	mov [es:mi.BitsPerPixel],15
		666	.l0:
		667	mov al, byte [es:di+0x19]
		668	mov [es:0x9000], al
		669	jmp .exit
		670
		671
		672	mov byte [es:0x9000], 32
		673	or dword [es:0x9018], 0xFFFFFFFF; 0x800000
		674
		675
		676
		677
		678
		679
		680
		681
		682	xor bx,bx
		683	int 0x10
		684	xor eax,eax
		685	xor ebx,ebx
		686	mov ax,es
		687	shl eax,4
		688	mov bx,di
		689	add eax,ebx
		690	movzx ebx,word[es:di]
		691	add eax,ebx
		692	push 0x0000
		693	pop es
		694	mov [es:0x9014],eax
		695	.exit:
		696	ret
		697
		698
		699
		700	; ret
		701
		702
		703	;=============================================================================
		704	;=============================================================================
		705	@@:
		706

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(root)/kernel/trunk/boot/bootvesa.inc @ 731 – Rev 730