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	jmp .ok_found_mode
746	Lrz	366
714	Lrz	367
		368
746	Lrz	369
		370	mov ax,word [x_save]
		371	mov bx,word [y_save]
		372	mov si,modes_table
		373	call .loops
		374	test ax,ax
		375	jz .ok_found_mode
		376
		377
		378	; jb .zerro ;check on correct if bellow
		379	; cmp ax,word [end_cursor]
		380	; ja .zerro ;check on correct if anymore
		381
		382
714	Lrz	383	mov word [home_cursor],si
		384	; mov word [cursor_pos],si
		385	mov word [preboot_graph],si
		386	mov ax,si
		387
		388
		389
		390
		391	cmp ax,word [end_cursor]
		392	jae .next_step
		393	loop .loop
		394	.next_step:
		395	sub ax,size_of_step*long_v_table
		396	cmp ax,modes_table
		397	jae @f
738	diamond	398	mov ax,modes_table
		399	@@:
		400
714	Lrz	401
		402	push word [preboot_graph]
		403	pop word [cursor_pos]
		404	ret
		405	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		406	.loops:
		407	cmp ax,word [es:si]
		408	jne .next
		409	cmp bx,word [es:si+2]
		410	jne .next
		411	cmp word [es:si+8],32
		412	je .ok
		413	cmp word [es:si+8],24
		414	je .ok
		415	.next: add si,size_of_step
		416	cmp word [es:si],-1
		417	je .exit
		418	jmp .loops
		419	.ok: xor ax,ax
		420	.exit: ret
		421
		422
		423
		424
		425
746	Lrz	426
714	Lrz	427
		428	draw_vmodes_table:
		429	_setcursor 9, 2
		430	mov si,gr_mode
		431	call printplain
		432
		433
		434	call printplain
		435
		436
		437	pop ax
		438	push word [home_cursor]
		439	pop si
		440	mov cx,si
		441
		442
		443	je .ok
		444	jb .low
		445
		446
		447
		448
		449
		450	jb .ok
		451
		452
		453	add cx,size_of_step
		454	cmp cx,word[end_cursor]
		455	jae .ok
		456	add si,size_of_step
		457	push si
		458	pop word [home_cursor]
		459	jmp .ok
		460
		461
		462
		463	cmp cx,modes_table
		464	jb .ok
		465	push cx
		466	push cx
		467	pop word [home_cursor]
		468	pop si
		469
		470
		471
		472	mov bp,long_v_table ;show rows
		473	.@@_next_bit:
		474	cmp word [es:si+6],0x12
		475	je .show_0x12
		476	cmp word [es:si+6],0x13
		477	je .show_0x13
		478
		479
		480	cmp ax,-1
		481	je .@@_end
		482	mov di,_rs+23
		483	mov ecx,10
		484	mov bl,4
		485	call int2str
		486	movzx eax,word[es:si+2]
		487	inc di
		488	mov bl,4
		489	call int2str
		490
		491
		492	inc di
		493	mov bl,2
		494	call int2str
		495	;clear cursor
		496	mov word[ds:_r1+21],' '
		497	mov word[ds:_r1+50],' '
		498
		499
		500	mov word[ds:_r2+45],' '
		501
		502
		503	mov word[ds:_rs+46],' '
		504
		505
		506	jne .next
		507	;draw cursor
		508	mov word[ds:_rs+21],'>>'
		509	mov word[ds:_rs+46],'<<'
		510
		511
		512
		513
		514	push si
		515	mov si,_rs
		516	.@@_sh:
		517	call printplain
		518	pop si
		519	add si,size_of_step
		520
		521
		522	jnz .@@_next_bit
		523
		524
		525	mov si,_bt
		526	call printplain
		527	; show scroll
730	diamond	528	push es
		529	push 0xB800
		530	pop es
		531	; arrows
		532	mov di, (1180+53)2
		533	mov al, 30
		534	stosb
		535	add di, 80*2-1
		536	mov al, 32
		537	mov cx, scroll_area_size
731	diamond	538	@@:
730	diamond	539	stosb
		540	add di, 80*2-1
		541	loop @b
		542	mov al, 31
		543	stosb
		544	; calculate scroll size
		545	mov ax, [end_cursor]
		546	sub ax, modes_table
		547	mov bx, size_of_step
		548	cwd
		549	div bx
		550	mov si, ax ; si = size of list
		551	mov ax, [home_cursor]
		552	sub ax, modes_table
		553	cwd
		554	div bx
		555	mov di, ax
		556	mov ax, scroll_area_size*long_v_table
731	diamond	557	cwd
730	diamond	558	div si
		559	test ax, ax
		560	jnz @f
		561	inc ax
		562	@@:
		563	cmp al, scroll_area_size
731	diamond	564	jb @f
730	diamond	565	mov al, scroll_area_size
731	diamond	566	@@:
730	diamond	567	mov cx, ax
		568	; cx = scroll height
		569	; calculate scroll pos
		570	xor bx, bx ; initialize scroll pos
		571	sub al, scroll_area_size+1
731	diamond	572	neg al
730	diamond	573	sub si, long_v_table-1
731	diamond	574	jbe .draw_scroll
730	diamond	575	mul di
		576	div si
		577	mov bx, ax
		578	.draw_scroll:
		579	mov al, 0xDB
		580	imul di, bx, 80*2
		581	add di, (1280+53)2
		582	@@:
		583	stosb
		584	add di, 80*2-1
		585	loop @b
		586	pop es
		587	ret
714	Lrz	588	.show_0x13:
		589	push si
		590
		591
		592	jne @f
		593	mov word[ds:_r1+21],'>>'
		594	mov word[ds:_r1+50],'<<'
		595	@@:
		596	mov si,_r1
		597	jmp .@@_sh
		598	.show_0x12:
		599	push si
		600	cmp si, word [cursor_pos]
		601	jne @f
		602
		603
		604	mov word[ds:_r2+45],'<<'
		605	@@:
		606	mov si,_r2
		607	jmp .@@_sh
		608
		609
		610	;Clear arrea of current video page (0xb800)
		611	clear_vmodes_table:
		612	pusha
		613	; draw frames
		614	push es
		615	push 0xb800
		616	pop es
		617	mov di,1444
		618	xor ax,ax
		619	mov ah, 1*16+15
		620	mov cx,70
		621	mov bp,12
		622	.loop_start:
		623	rep stosw
		624	mov cx,70
		625	add di,20
		626	dec bp ; 㬥�� DX,
		627	jns .loop_start
		628	pop es
		629	popa
		630	ret
		631
		632
		633
		634
		635	push 0 ;0;x1000
		636	pop es
		637
		638
		639	mov cx,word [es:si+6] ; number of mode
		640
		641
		642
		643	mov bx,word [es:si+2] ; resolution Y
		644
		645
		646
		647	mov word [es:0x900C],bx ; resolution Y
		648	mov word [es:0x9008],cx ; number of mode
		649
		650
		651	je .mode0x12_0x13
		652	cmp cx,0x13
		653	je .mode0x12_0x13
		654
		655
		656
		657	jb .vesa12
		658
		659
		660
		661
		662	and cx,0xfff
		663	mov di,mi;0xa000
		664	int 0x10
		665	; LFB
		666	mov eax,[es:mi.PhysBasePtr];di+0x28]
		667	mov [es:0x9018],eax
		668	; ---- vbe voodoo
		669	BytesPerLine equ 0x10
		670	mov ax, [es:di+BytesPerLine]
		671	mov [es:0x9001], ax
		672	; BPP
		673	cmp [es:mi.BitsPerPixel],16
		674	jne .l0
		675	cmp [es:mi.GreenMaskSize],5
		676	jne .l0
		677	mov [es:mi.BitsPerPixel],15
		678	.l0:
		679	mov al, byte [es:di+0x19]
		680	mov [es:0x9000], al
		681	jmp .exit
		682
		683
		684	mov byte [es:0x9000], 32
		685	or dword [es:0x9018], 0xFFFFFFFF; 0x800000
		686
		687
		688
		689
		690
		691
		692
		693
		694	xor bx,bx
		695	int 0x10
		696	xor eax,eax
		697	xor ebx,ebx
		698	mov ax,es
		699	shl eax,4
		700	mov bx,di
		701	add eax,ebx
		702	movzx ebx,word[es:di]
		703	add eax,ebx
		704	push 0x0000
		705	pop es
		706	mov [es:0x9014],eax
		707	.exit:
		708	ret
		709
		710
		711
		712	; ret
		713
		714
		715	;=============================================================================
		716	;=============================================================================
		717	@@:
		718

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(root)/kernel/trunk/boot/bootvesa.inc @ 834 – Rev 746