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	jb .zerro
		389
		390
		391	push word [preboot_graph]
		392	pop word [cursor_pos]
		393	ret
		394	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		395	.loops:
		396	cmp ax,word [es:si]
		397	jne .next
		398	cmp bx,word [es:si+2]
		399	jne .next
		400	cmp word [es:si+8],32
		401	je .ok
		402	cmp word [es:si+8],24
		403	je .ok
		404	.next: add si,size_of_step
		405	cmp word [es:si],-1
		406	je .exit
		407	jmp .loops
		408	.ok: xor ax,ax
		409	.exit: ret
		410
		411
		412
		413
		414
		415
		416
		417	draw_vmodes_table:
		418	_setcursor 9, 2
		419	mov si,gr_mode
		420	call printplain
		421
		422
		423	call printplain
		424
		425
		426	pop ax
		427	push word [home_cursor]
		428	pop si
		429	mov cx,si
		430
		431
		432	je .ok
		433	jb .low
		434
		435
		436
		437
		438
		439	jb .ok
		440
		441
		442	add cx,size_of_step
		443	cmp cx,word[end_cursor]
		444	jae .ok
		445	add si,size_of_step
		446	push si
		447	pop word [home_cursor]
		448	jmp .ok
		449
		450
		451
		452	cmp cx,modes_table
		453	jb .ok
		454	push cx
		455	push cx
		456	pop word [home_cursor]
		457	pop si
		458
		459
		460
		461	mov bp,long_v_table ;show rows
		462	.@@_next_bit:
		463	cmp word [es:si+6],0x12
		464	je .show_0x12
		465	cmp word [es:si+6],0x13
		466	je .show_0x13
		467
		468
		469	cmp ax,-1
		470	je .@@_end
		471	mov di,_rs+23
		472	mov ecx,10
		473	mov bl,4
		474	call int2str
		475	movzx eax,word[es:si+2]
		476	inc di
		477	mov bl,4
		478	call int2str
		479
		480
		481	inc di
		482	mov bl,2
		483	call int2str
		484	;clear cursor
		485	mov word[ds:_r1+21],' '
		486	mov word[ds:_r1+50],' '
		487
		488
		489	mov word[ds:_r2+45],' '
		490
		491
		492	mov word[ds:_rs+46],' '
		493
		494
		495	jne .next
		496	;draw cursor
		497	mov word[ds:_rs+21],'>>'
		498	mov word[ds:_rs+46],'<<'
		499
		500
		501
		502
		503	push si
		504	mov si,_rs
		505	.@@_sh:
		506	call printplain
		507	pop si
		508	add si,size_of_step
		509
		510
		511	jnz .@@_next_bit
		512
		513
		514	mov si,_bt
		515	call printplain
		516	; show scroll
730	diamond	517	push es
		518	push 0xB800
		519	pop es
		520	; arrows
		521	mov di, (1180+53)2
		522	mov al, 30
		523	stosb
		524	add di, 80*2-1
		525	mov al, 32
		526	mov cx, scroll_area_size
731	diamond	527	@@:
730	diamond	528	stosb
		529	add di, 80*2-1
		530	loop @b
		531	mov al, 31
		532	stosb
		533	; calculate scroll size
		534	mov ax, [end_cursor]
		535	sub ax, modes_table
		536	mov bx, size_of_step
		537	cwd
		538	div bx
		539	mov si, ax ; si = size of list
		540	mov ax, [home_cursor]
		541	sub ax, modes_table
		542	cwd
		543	div bx
		544	mov di, ax
		545	mov ax, scroll_area_size*long_v_table
731	diamond	546	cwd
730	diamond	547	div si
		548	test ax, ax
		549	jnz @f
		550	inc ax
		551	@@:
		552	cmp al, scroll_area_size
731	diamond	553	jb @f
730	diamond	554	mov al, scroll_area_size
731	diamond	555	@@:
730	diamond	556	mov cx, ax
		557	; cx = scroll height
		558	; calculate scroll pos
		559	xor bx, bx ; initialize scroll pos
		560	sub al, scroll_area_size+1
731	diamond	561	neg al
730	diamond	562	sub si, long_v_table-1
731	diamond	563	jbe .draw_scroll
730	diamond	564	mul di
		565	div si
		566	mov bx, ax
		567	.draw_scroll:
		568	mov al, 0xDB
		569	imul di, bx, 80*2
		570	add di, (1280+53)2
		571	@@:
		572	stosb
		573	add di, 80*2-1
		574	loop @b
		575	pop es
		576	ret
714	Lrz	577	.show_0x13:
		578	push si
		579
		580
		581	jne @f
		582	mov word[ds:_r1+21],'>>'
		583	mov word[ds:_r1+50],'<<'
		584	@@:
		585	mov si,_r1
		586	jmp .@@_sh
		587	.show_0x12:
		588	push si
		589	cmp si, word [cursor_pos]
		590	jne @f
		591
		592
		593	mov word[ds:_r2+45],'<<'
		594	@@:
		595	mov si,_r2
		596	jmp .@@_sh
		597
		598
		599	;Clear arrea of current video page (0xb800)
		600	clear_vmodes_table:
		601	pusha
		602	; draw frames
		603	push es
		604	push 0xb800
		605	pop es
		606	mov di,1444
		607	xor ax,ax
		608	mov ah, 1*16+15
		609	mov cx,70
		610	mov bp,12
		611	.loop_start:
		612	rep stosw
		613	mov cx,70
		614	add di,20
		615	dec bp ; 㬥�� DX,
		616	jns .loop_start
		617	pop es
		618	popa
		619	ret
		620
		621
		622
		623
		624	push 0 ;0;x1000
		625	pop es
		626
		627
		628	mov cx,word [es:si+6] ; number of mode
		629
		630
		631
		632	mov bx,word [es:si+2] ; resolution Y
		633
		634
		635
		636	mov word [es:0x900C],bx ; resolution Y
		637	mov word [es:0x9008],cx ; number of mode
		638
		639
		640	je .mode0x12_0x13
		641	cmp cx,0x13
		642	je .mode0x12_0x13
		643
		644
		645
		646	jb .vesa12
		647
		648
		649
		650
		651	and cx,0xfff
		652	mov di,mi;0xa000
		653	int 0x10
		654	; LFB
		655	mov eax,[es:mi.PhysBasePtr];di+0x28]
		656	mov [es:0x9018],eax
		657	; ---- vbe voodoo
		658	BytesPerLine equ 0x10
		659	mov ax, [es:di+BytesPerLine]
		660	mov [es:0x9001], ax
		661	; BPP
		662	cmp [es:mi.BitsPerPixel],16
		663	jne .l0
		664	cmp [es:mi.GreenMaskSize],5
		665	jne .l0
		666	mov [es:mi.BitsPerPixel],15
		667	.l0:
		668	mov al, byte [es:di+0x19]
		669	mov [es:0x9000], al
		670	jmp .exit
		671
		672
		673	mov byte [es:0x9000], 32
		674	or dword [es:0x9018], 0xFFFFFFFF; 0x800000
		675
		676
		677
		678
		679
		680
		681
		682
		683	xor bx,bx
		684	int 0x10
		685	xor eax,eax
		686	xor ebx,ebx
		687	mov ax,es
		688	shl eax,4
		689	mov bx,di
		690	add eax,ebx
		691	movzx ebx,word[es:di]
		692	add eax,ebx
		693	push 0x0000
		694	pop es
		695	mov [es:0x9014],eax
		696	.exit:
		697	ret
		698
		699
		700
		701	; ret
		702
		703
		704	;=============================================================================
		705	;=============================================================================
		706	@@:
		707

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(root)/kernel/trunk/boot/bootvesa.inc @ 750 – Rev 731