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
731	diamond	77	scroll_area_size equ (long_v_table-2)
		78	int2str:
714	Lrz	79	dec bl
		80	jz @f
		81	xor edx,edx
		82	div ecx
		83	push edx
		84	call int2str
		85	pop eax
		86	@@: or al,0x30
		87	mov [ds:di],al
		88	inc di
		89	ret
		90
		91
		92	cmp eax,ecx
		93	jb @f
		94	xor edx,edx
		95	div ecx
		96	push edx
		97	call int2strnz
		98	pop eax
		99	@@: or al,0x30
		100	mov [es:di],al
		101	inc di
		102	ret
		103	;-------------------------------------------------------
		104	;Write message about incorrect v_mode and write message about jmp on swith v_mode
		105	v_mode_error:
		106	_setcursor 19,2
		107	mov si, fatalsel
		108	call printplain
		109	_setcursor 20,2
		110	mov si,pres_key
		111	call printplain
		112	xor eax,eax
		113	int 16h
		114	jmp cfgmanager.d
		115	;-------------------------------------------------------
		116	;
		117
		118
		119
		120
		121	print_vesa_info:
		122	_setcursor 5,2
		123
		124
		125	mov ax,0x4F00
		126	mov di,vi ;0xa000
		127	int 0x10
		128	or ah,ah
		129	jz @f
		130	mov [es:vi.VESASignature],'VESA'
		131	mov ax,$4F00
		132	mov di,vi
		133	int 0x10
		134	or ah,ah
		135	jnz .exit
		136	@@:
		137	cmp [es:vi.VESASignature],'VESA'
		138	jne .exit
		139	cmp [es:vi.VESAVersion],0x0100
		140	jb .exit
		141	jmp .vesaok2
		142
		143
		144	mov si,novesa
		145	call printplain
		146	ret
		147
		148
		149	mov ax,[es:vi.VESAVersion]
		150	add ax,'00'
		151
		152
		153	mov [s_vesa.ver+2], al
		154	mov si,s_vesa
		155	call printplain
		156
		157
		158	mov si,word[es:vi.OemStringPtr]
		159	mov di,si
		160
		161
		162	mov ds,word[es:vi.OemStringPtr+2]
		163	call printplain
		164	pop ds
		165
		166
		167	;-----------------------------------------------------------------------------
		168
		169
		170	pushad
		171
		172
		173	; pop es
		174
		175
730	diamond	176
714	Lrz	177
		178	;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢
		179	mov word [es:bx],640
		180	mov word [es:bx+2],480
		181	mov word [es:bx+6],0x13
		182
		183
		184	mov word [es:bx+12],480
		185	mov word [es:bx+16],0x12
		186	add bx,20
		187	.next_mode:
		188	mov cx,word [fs:si] ; mode number
		189	cmp cx,-1
		190	je .modes_ok.2
		191
		192
		193	mov di,mi
		194	int 0x10
		195
		196
		197	jnz .modes_ok.2;vesa_info.exit
		198
		199
		200	jz @f
		201	test [es:mi.ModeAttributes],00010000b ;picture ?
		202	jz @f
		203	test [es:mi.ModeAttributes],10000000b ;LFB ?
		204	jz @f
		205
		206
730	diamond	207	; jb @f
		208
		209
714	Lrz	210	jne .l0
		211	cmp [es:mi.GreenMaskSize],5
		212	jne .l0
		213	mov [es:mi.BitsPerPixel],15
		214
		215
		216
		217	cmp [es:mi.XRes],640
		218	jb @f
		219	cmp [es:mi.YRes],480
		220	jb @f
		221	; cmp [es:mi.BitsPerPixel],8
		222	; jb @f
		223
		224
		225	mov [es:bx+0],ax ; +0[2] : resolution X
		226	mov ax,[es:mi.YRes]
		227	mov [es:bx+2],ax ; +2[2] : resolution Y
		228	mov ax,[es:mi.ModeAttributes]
		229	mov [es:bx+4],ax ; +4[2] : attributes
		230
		231
		232	jb .lp1
		233
		234
		235	.lp1: mov [es:bx+6],cx ; +6 : mode number
		236	movzx ax,byte [es:mi.BitsPerPixel]
		237	mov word [es:bx+8],ax ; +8 : bits per pixel
		238	add bx,size_of_step
		239
		240
		241	add si,2
		242	jmp .next_mode
		243
		244
		245
		246
		247	mov word[end_cursor],bx ;save end cursor position
		248	;;;;;;;;;;;;;;;;;;
		249	;Sort array
		250	; mov si,modes_table
		251	;.new_mode:
		252	; mov ax,word [es:si]
		253	; cmp ax,-1
		254	; je .exxit
		255	; add ax,word [es:si+2]
		256	; add ax,word [es:si+8]
		257	; mov bp,si
		258	;.again:
		259	; add bp,12
		260	; mov bx,word [es:bp]
		261	; cmp bx,-1
		262	; je .exit
		263	; add bx,word [es:bp+2]
		264	; add bx,word [es:bp+8]
		265	;
		266	; cmp ax,bx
		267	; ja .loops
		268	; jmp .again
		269	;.loops:
		270	; push dword [es:si]
		271	; push dword [es:si+4]
		272	; push dword [es:si+8]
		273	; push dword [es:bp]
		274	; push dword [es:bp+4]
		275	; push dword [es:bp+8]
		276	;
		277	; pop dword [es:si+8]
		278	; pop dword [es:si+4]
		279	; pop dword [es:si]
		280	; pop dword [es:bp+8]
		281	; pop dword [es:bp+4]
		282	; pop dword [es:bp]
		283	; jmp .new_mode
		284	;
		285	;.exit: add si,12
		286	; jmp .new_mode
		287	;.exxit:
		288	popad
		289	ret
		290
		291
		292
		293
		294	push 0
		295	pop es
		296
		297
		298
		299
		300	je .no_vesa_0x12
		301
		302
		303	je .no_vesa_0x13
		304
		305
		306	movzx eax,word[es:si+0]
		307	mov ecx,10
		308	call int2strnz
		309	mov byte[es:di],'x'
		310	inc di
		311	movzx eax,word[es:si+2]
		312	call int2strnz
		313	mov byte[es:di],'x'
		314	inc di
		315	movzx eax,word[es:si+8]
		316	call int2strnz
		317	mov dword[es:di],0x00000d0a
		318	mov si,loader_block_error
		319	push ds
		320	push es
		321	pop ds
		322	call printplain
		323	pop ds
		324	ret
		325	.no_vesa_0x13:
		326	mov si,mode0
		327	jmp .print
		328	.no_vesa_0x12:
		329	mov si,mode9
		330	.print:
		331	call printplain
		332	ret
		333	;-----------------------------------------------------------------------------
		334	check_first_parm:
		335	mov ax,word [preboot_graph]
		336	test ax,ax
		337	jnz .no_zero ;if no zero
		338	.zerro:
		339	; mov ax,modes_table
		340	; mov word [cursor_pos],ax
		341	; mov word [home_cursor],ax
		342	; mov word [preboot_graph],ax
		343	;SET default video of mode first probe will fined a move of work 1024x768@32
		344
		345
		346	mov bx,768
		347	mov si,modes_table
		348	call .loops
		349	test ax,ax
		350	jz .ok_found_mode
		351	mov ax,800
		352	mov bx,600
		353	mov si,modes_table
		354	call .loops
		355	test ax,ax
		356	jz .ok_found_mode
		357	mov ax,640
		358	mov bx,480
		359	mov si,modes_table
		360	call .loops
		361	test ax,ax
		362	jz .ok_found_mode
		363
		364
		365
		366
		367
		368	mov word [home_cursor],si
		369	; mov word [cursor_pos],si
		370	mov word [preboot_graph],si
		371	mov ax,si
		372
		373
		374	cmp ax,modes_table
		375	jb .zerro ;check on correct if bellow
		376	cmp ax,word [end_cursor]
		377	ja .zerro ;check on correct if anymore
		378
		379
		380
		381
		382	cmp ax,word [end_cursor]
		383	jae .next_step
		384	loop .loop
		385	.next_step:
		386	sub ax,size_of_step*long_v_table
		387	cmp ax,modes_table
		388	jae @f
738	diamond	389	mov ax,modes_table
		390	@@:
		391
714	Lrz	392
		393	push word [preboot_graph]
		394	pop word [cursor_pos]
		395	ret
		396	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		397	.loops:
		398	cmp ax,word [es:si]
		399	jne .next
		400	cmp bx,word [es:si+2]
		401	jne .next
		402	cmp word [es:si+8],32
		403	je .ok
		404	cmp word [es:si+8],24
		405	je .ok
		406	.next: add si,size_of_step
		407	cmp word [es:si],-1
		408	je .exit
		409	jmp .loops
		410	.ok: xor ax,ax
		411	.exit: ret
		412
		413
		414
		415
		416
		417
		418
		419	draw_vmodes_table:
		420	_setcursor 9, 2
		421	mov si,gr_mode
		422	call printplain
		423
		424
		425	call printplain
		426
		427
		428	pop ax
		429	push word [home_cursor]
		430	pop si
		431	mov cx,si
		432
		433
		434	je .ok
		435	jb .low
		436
		437
		438
		439
		440
		441	jb .ok
		442
		443
		444	add cx,size_of_step
		445	cmp cx,word[end_cursor]
		446	jae .ok
		447	add si,size_of_step
		448	push si
		449	pop word [home_cursor]
		450	jmp .ok
		451
		452
		453
		454	cmp cx,modes_table
		455	jb .ok
		456	push cx
		457	push cx
		458	pop word [home_cursor]
		459	pop si
		460
		461
		462
		463	mov bp,long_v_table ;show rows
		464	.@@_next_bit:
		465	cmp word [es:si+6],0x12
		466	je .show_0x12
		467	cmp word [es:si+6],0x13
		468	je .show_0x13
		469
		470
		471	cmp ax,-1
		472	je .@@_end
		473	mov di,_rs+23
		474	mov ecx,10
		475	mov bl,4
		476	call int2str
		477	movzx eax,word[es:si+2]
		478	inc di
		479	mov bl,4
		480	call int2str
		481
		482
		483	inc di
		484	mov bl,2
		485	call int2str
		486	;clear cursor
		487	mov word[ds:_r1+21],' '
		488	mov word[ds:_r1+50],' '
		489
		490
		491	mov word[ds:_r2+45],' '
		492
		493
		494	mov word[ds:_rs+46],' '
		495
		496
		497	jne .next
		498	;draw cursor
		499	mov word[ds:_rs+21],'>>'
		500	mov word[ds:_rs+46],'<<'
		501
		502
		503
		504
		505	push si
		506	mov si,_rs
		507	.@@_sh:
		508	call printplain
		509	pop si
		510	add si,size_of_step
		511
		512
		513	jnz .@@_next_bit
		514
		515
		516	mov si,_bt
		517	call printplain
		518	; show scroll
730	diamond	519	push es
		520	push 0xB800
		521	pop es
		522	; arrows
		523	mov di, (1180+53)2
		524	mov al, 30
		525	stosb
		526	add di, 80*2-1
		527	mov al, 32
		528	mov cx, scroll_area_size
731	diamond	529	@@:
730	diamond	530	stosb
		531	add di, 80*2-1
		532	loop @b
		533	mov al, 31
		534	stosb
		535	; calculate scroll size
		536	mov ax, [end_cursor]
		537	sub ax, modes_table
		538	mov bx, size_of_step
		539	cwd
		540	div bx
		541	mov si, ax ; si = size of list
		542	mov ax, [home_cursor]
		543	sub ax, modes_table
		544	cwd
		545	div bx
		546	mov di, ax
		547	mov ax, scroll_area_size*long_v_table
731	diamond	548	cwd
730	diamond	549	div si
		550	test ax, ax
		551	jnz @f
		552	inc ax
		553	@@:
		554	cmp al, scroll_area_size
731	diamond	555	jb @f
730	diamond	556	mov al, scroll_area_size
731	diamond	557	@@:
730	diamond	558	mov cx, ax
		559	; cx = scroll height
		560	; calculate scroll pos
		561	xor bx, bx ; initialize scroll pos
		562	sub al, scroll_area_size+1
731	diamond	563	neg al
730	diamond	564	sub si, long_v_table-1
731	diamond	565	jbe .draw_scroll
730	diamond	566	mul di
		567	div si
		568	mov bx, ax
		569	.draw_scroll:
		570	mov al, 0xDB
		571	imul di, bx, 80*2
		572	add di, (1280+53)2
		573	@@:
		574	stosb
		575	add di, 80*2-1
		576	loop @b
		577	pop es
		578	ret
714	Lrz	579	.show_0x13:
		580	push si
		581
		582
		583	jne @f
		584	mov word[ds:_r1+21],'>>'
		585	mov word[ds:_r1+50],'<<'
		586	@@:
		587	mov si,_r1
		588	jmp .@@_sh
		589	.show_0x12:
		590	push si
		591	cmp si, word [cursor_pos]
		592	jne @f
		593
		594
		595	mov word[ds:_r2+45],'<<'
		596	@@:
		597	mov si,_r2
		598	jmp .@@_sh
		599
		600
		601	;Clear arrea of current video page (0xb800)
		602	clear_vmodes_table:
		603	pusha
		604	; draw frames
		605	push es
		606	push 0xb800
		607	pop es
		608	mov di,1444
		609	xor ax,ax
		610	mov ah, 1*16+15
		611	mov cx,70
		612	mov bp,12
		613	.loop_start:
		614	rep stosw
		615	mov cx,70
		616	add di,20
		617	dec bp ; 㬥�� DX,
		618	jns .loop_start
		619	pop es
		620	popa
		621	ret
		622
		623
		624
		625
		626	push 0 ;0;x1000
		627	pop es
		628
		629
		630	mov cx,word [es:si+6] ; number of mode
		631
		632
		633
		634	mov bx,word [es:si+2] ; resolution Y
		635
		636
		637
		638	mov word [es:0x900C],bx ; resolution Y
		639	mov word [es:0x9008],cx ; number of mode
		640
		641
		642	je .mode0x12_0x13
		643	cmp cx,0x13
		644	je .mode0x12_0x13
		645
		646
		647
		648	jb .vesa12
		649
		650
		651
		652
		653	and cx,0xfff
		654	mov di,mi;0xa000
		655	int 0x10
		656	; LFB
		657	mov eax,[es:mi.PhysBasePtr];di+0x28]
		658	mov [es:0x9018],eax
		659	; ---- vbe voodoo
		660	BytesPerLine equ 0x10
		661	mov ax, [es:di+BytesPerLine]
		662	mov [es:0x9001], ax
		663	; BPP
		664	cmp [es:mi.BitsPerPixel],16
		665	jne .l0
		666	cmp [es:mi.GreenMaskSize],5
		667	jne .l0
		668	mov [es:mi.BitsPerPixel],15
		669	.l0:
		670	mov al, byte [es:di+0x19]
		671	mov [es:0x9000], al
		672	jmp .exit
		673
		674
		675	mov byte [es:0x9000], 32
		676	or dword [es:0x9018], 0xFFFFFFFF; 0x800000
		677
		678
		679
		680
		681
		682
		683
		684
		685	xor bx,bx
		686	int 0x10
		687	xor eax,eax
		688	xor ebx,ebx
		689	mov ax,es
		690	shl eax,4
		691	mov bx,di
		692	add eax,ebx
		693	movzx ebx,word[es:di]
		694	add eax,ebx
		695	push 0x0000
		696	pop es
		697	mov [es:0x9014],eax
		698	.exit:
		699	ret
		700
		701
		702
		703	; ret
		704
		705
		706	;=============================================================================
		707	;=============================================================================
		708	@@:
		709

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(root)/kernel/trunk/boot/bootvesa.inc – Rev 738