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

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
2455	mario79	3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
2288	clevermous	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 3999 $
		9
		10	struc VBE_VGAInfo {
		11	.VESASignature dd ? ; char
		12	.VESAVersion dw ? ; short
		13	.OemStringPtr dd ? ; char *
		14	.Capabilities dd ? ; ulong
		15	.VideoModePtr dd ? ; ulong
		16	.TotalMemory dw ? ; short
		17	; VBE 2.0+
		18	.OemSoftwareRev db ? ; short
		19	.OemVendorNamePtr dw ? ; char *
		20	.OemProductNamePtr dw ? ; char *
		21	.OemProductRevPtr dw ? ; char *
		22	.reserved rb 222 ; char
		23	.OemData rb 256 ; char
		24	}
		25
		26	struc VBE_ModeInfo {
		27	.ModeAttributes dw ? ; short
		28	.WinAAttributes db ? ; char
		29	.WinBAttributes db ? ; char
		30	.WinGranularity dw ? ; short
		31	.WinSize dw ? ; short
		32	.WinASegment dw ? ; ushort
		33	.WinBSegment dw ? ; ushort
		34	.WinFuncPtr dd ? ; void *
		35	.BytesPerScanLine dw ? ; short
		36	.XRes dw ? ; short
		37	.YRes dw ? ; short
		38	.XCharSize db ? ; char
		39	.YCharSize db ? ; char
		40	.NumberOfPlanes db ? ; char
		41	.BitsPerPixel db ? ; char
		42	.NumberOfBanks db ? ; char
		43	.MemoryModel db ? ; char
		44	.BankSize db ? ; char
		45	.NumberOfImagePages db ? ; char
		46	.res1 db ? ; char
		47	.RedMaskSize db ? ; char
		48	.RedFieldPosition db ? ; char
		49	.GreenMaskSize db ? ; char
		50	.GreenFieldPosition db ? ; char
		51	.BlueMaskSize db ? ; char
		52	.BlueFieldPosition db ? ; char
		53	.RsvedMaskSize db ? ; char
		54	.RsvedFieldPosition db ? ; char
		55	.DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE
		56	; VBE 2.0+
		57	.PhysBasePtr dd ? ; ulong
		58	.OffScreenMemOffset dd ? ; ulong
		59	.OffScreenMemSize dw ? ; short
		60	; VBE 3.0+
		61	.LinbytesPerScanLine dw ? ; short
		62	.BankNumberOfImagePages db ? ; char
		63	.LinNumberOfImagePages db ? ; char
		64	.LinRedMaskSize db ? ; char
		65	.LinRedFieldPosition db ? ; char
		66	.LingreenMaskSize db ? ; char
		67	.LinGreenFieldPosition db ? ; char
		68	.LinBlueMaskSize db ? ; char
		69	.LinBlueFieldPosition db ? ; char
		70	.LinRsvdMaskSize db ? ; char
		71	.LinRsvdFieldPosition db ? ; char
		72	.MaxPixelClock dd ? ; ulong
		73	.res2 rb 190 ; char
		74	}
		75
		76	virtual at $A000
		77	vi VBE_VGAInfo
		78	mi VBE_ModeInfo
		79	modes_table:
		80	end virtual
3539	clevermous	81	cursor_pos dw 0 ;временное хранение курсора.
3999	mario79	82	cursor_pos_old dw 0
2288	clevermous	83	home_cursor dw 0 ;current shows rows a table
		84	end_cursor dw 0 ;end of position current shows rows a table
		85	scroll_start dw 0 ;start position of scroll bar
		86	scroll_end dw 0 ;end position of scroll bar
		87	long_v_table equ 9 ;long of visible video table
		88	size_of_step equ 10
		89	scroll_area_size equ (long_v_table-2)
		90	int2str:
		91	dec bl
		92	jz @f
		93	xor edx, edx
		94	div ecx
		95	push edx
		96	call int2str
		97	pop eax
		98	@@:
		99	or al, 0x30
		100	mov [ds:di], al
		101	inc di
		102	ret
		103
		104	int2strnz:
		105	cmp eax, ecx
		106	jb @f
		107	xor edx, edx
		108	div ecx
		109	push edx
		110	call int2strnz
		111	pop eax
		112	@@:
		113	or al, 0x30
		114	mov [es:di], al
		115	inc di
		116	ret
		117
		118	;-------------------------------------------------------
		119	;Write message about incorrect v_mode and write message about jmp on swith v_mode
		120	v_mode_error:
		121	_setcursor 19,2
		122	mov si, fatalsel
		123	call printplain
		124	_setcursor 20,2
		125	mov si, pres_key
		126	call printplain
		127	xor eax, eax
		128	int 16h
		129	jmp cfgmanager.d
		130	;-------------------------------------------------------
		131	;
		132
		133
		134
		135	;-------------------------------------------------------
		136	print_vesa_info:
		137	_setcursor 5,2
		138
		139	mov [es:vi.VESASignature], 'VBE2'
		140	mov ax, 0x4F00
		141	mov di, vi ;0xa000
		142	int 0x10
		143	or ah, ah
		144	jz @f
		145	mov [es:vi.VESASignature], 'VESA'
		146	mov ax, $4F00
		147	mov di, vi
		148	int 0x10
		149	or ah, ah
		150	jnz .exit
		151	@@:
		152	cmp [es:vi.VESASignature], 'VESA'
		153	jne .exit
		154	cmp [es:vi.VESAVersion], 0x0100
		155	jb .exit
		156	jmp .vesaok2
		157
		158	.exit:
		159	mov si, novesa
		160	call printplain
		161	ret
		162
		163	.vesaok2:
		164	mov ax, [es:vi.VESAVersion]
		165	add ax, '00'
		166
		167	mov [s_vesa.ver], ah
		168	mov [s_vesa.ver+2], al
		169	mov si, s_vesa
		170	call printplain
		171
		172	_setcursor 4,2
		173	mov si, word[es:vi.OemStringPtr]
		174	mov di, si
		175
		176	push ds
		177	mov ds, word[es:vi.OemStringPtr+2]
		178	call printplain
		179	pop ds
		180
		181	ret
		182	;-----------------------------------------------------------------------------
		183
		184	calc_vmodes_table:
		185	pushad
		186
		187	; push 0
		188	; pop es
		189
		190	lfs si, [es:vi.VideoModePtr]
		191
		192	mov bx, modes_table
3539	clevermous	193	;save no vesa mode of work 320x200, EGA/CGA 256 жўҐв®ў and 640x480, VGA 16 жўҐв®ў
2288	clevermous	194	mov word [es:bx], 640
		195	mov word [es:bx+2], 480
		196	mov word [es:bx+6], 0x13
		197
		198	mov word [es:bx+10], 640
		199	mov word [es:bx+12], 480
		200	mov word [es:bx+16], 0x12
		201	add bx, 20
		202	.next_mode:
		203	mov cx, word [fs:si]; mode number
		204	cmp cx, -1
		205	je .modes_ok.2
		206
		207	mov ax, 0x4F01
		208	mov di, mi
		209	int 0x10
		210
		211	or ah, ah
		212	jnz .modes_ok.2;vesa_info.exit
		213
		214	test [es:mi.ModeAttributes], 00000001b ;videomode support ?
		215	jz @f
		216	test [es:mi.ModeAttributes], 00010000b ;picture ?
		217	jz @f
		218	test [es:mi.ModeAttributes], 10000000b ;LFB ?
		219	jz @f
		220
3591	Serge	221	cmp [es:mi.BitsPerPixel], 24 ;It show only videomodes to have support 24 and 32 bpp
2288	clevermous	222	jb @f
		223
		224	; cmp [es:mi.BitsPerPixel],16
		225	; jne .l0
		226	; cmp [es:mi.GreenMaskSize],5
		227	; jne .l0
		228	; mov [es:mi.BitsPerPixel],15
		229
		230
		231	.l0:
		232	cmp [es:mi.XRes], 640
		233	jb @f
		234	cmp [es:mi.YRes], 480
		235	jb @f
		236	; cmp [es:mi.BitsPerPixel],8
		237	; jb @f
		238
		239	mov ax, [es:mi.XRes]
		240	mov [es:bx+0], ax ; +0[2] : resolution X
		241	mov ax, [es:mi.YRes]
		242	mov [es:bx+2], ax ; +2[2] : resolution Y
		243	mov ax, [es:mi.ModeAttributes]
		244	mov [es:bx+4], ax ; +4[2] : attributes
		245
		246	cmp [s_vesa.ver], '2'
2407	mario79	247	; jb .lp1
		248	jb @f ; We do not use Vesa 1.2 mode is now
2288	clevermous	249
		250	or cx, 0x4000 ; use LFB
		251	.lp1:
		252	mov [es:bx+6], cx ; +6 : mode number
		253	movzx ax, byte [es:mi.BitsPerPixel]
		254	mov word [es:bx+8], ax ; +8 : bits per pixel
3591	Serge	255	add bx, size_of_step ; size of record
2288	clevermous	256
		257	@@:
		258	add si, 2
		259	jmp .next_mode
		260
		261	.modes_ok.2:
		262
		263	mov word[es:bx], -1 ;end video table
		264	mov word[end_cursor], bx ;save end cursor position
		265	;;;;;;;;;;;;;;;;;;
		266	;Sort array
		267	; mov si,modes_table
		268	;.new_mode:
		269	; mov ax,word [es:si]
		270	; cmp ax,-1
		271	; je .exxit
		272	; add ax,word [es:si+2]
		273	; add ax,word [es:si+8]
		274	; mov bp,si
		275	;.again:
		276	; add bp,12
		277	; mov bx,word [es:bp]
		278	; cmp bx,-1
		279	; je .exit
		280	; add bx,word [es:bp+2]
		281	; add bx,word [es:bp+8]
3591	Serge	282	;
2288	clevermous	283	; cmp ax,bx
		284	; ja .loops
		285	; jmp .again
3591	Serge	286	;.loops:
2288	clevermous	287	; push dword [es:si]
		288	; push dword [es:si+4]
		289	; push dword [es:si+8]
		290	; push dword [es:bp]
		291	; push dword [es:bp+4]
		292	; push dword [es:bp+8]
		293	;
		294	; pop dword [es:si+8]
		295	; pop dword [es:si+4]
		296	; pop dword [es:si]
		297	; pop dword [es:bp+8]
		298	; pop dword [es:bp+4]
		299	; pop dword [es:bp]
		300	; jmp .new_mode
		301	;
		302	;.exit: add si,12
		303	; jmp .new_mode
		304	;.exxit:
		305	popad
		306	ret
		307
		308	;-----------------------------------------------------------------------------
		309
		310	draw_current_vmode:
		311	push 0
		312	pop es
		313
		314	mov si, word [cursor_pos]
		315
		316	cmp word [es:si+6], 0x12
		317	je .no_vesa_0x12
		318
		319	cmp word [es:si+6], 0x13
		320	je .no_vesa_0x13
		321
		322	if defined extended_primary_loader
		323	mov di, config_file_variables
		324	else
		325	mov di, loader_block_error
		326	end if
		327	movzx eax, word[es:si+0]
		328	mov ecx, 10
		329	call int2strnz
		330	mov byte[es:di], 'x'
		331	inc di
		332	movzx eax, word[es:si+2]
		333	call int2strnz
		334	mov byte[es:di], 'x'
		335	inc di
		336	movzx eax, word[es:si+8]
		337	call int2strnz
		338	mov dword[es:di], 0x00000d0a
		339	if defined extended_primary_loader
		340	mov si, config_file_variables
		341	else
		342	mov si, loader_block_error
		343	end if
		344	push ds
		345	push es
		346	pop ds
		347	call printplain
		348	pop ds
		349	ret
		350	.no_vesa_0x13:
		351	mov si, mode0
		352	jmp .print
		353	.no_vesa_0x12:
		354	mov si, mode9
		355	.print:
		356	call printplain
		357	ret
		358	;-----------------------------------------------------------------------------
		359	check_first_parm:
		360	if defined extended_primary_loader
		361	mov cx, [number_vm]
		362	jcxz .novbemode
		363	mov si, modes_table
		364	.findvbemode:
		365	cmp [es:si+6], cx
		366	jnz @f
		367	cmp word [es:si+8], 32
		368	je .ok_found_mode
		369	cmp word [es:si+8], 24
		370	je .ok_found_mode
		371	@@:
		372	add si, size_of_step
		373	cmp word [es:si], -1
		374	jnz .findvbemode
		375	.novbemode:
		376	mov ax, [x_save]
		377	test ax, ax
		378	jz .zerro
		379	mov bx, [y_save]
		380	mov si, modes_table
		381	call .loops
		382	test ax, ax
		383	jz .ok_found_mode
		384	else
		385	mov si, word [preboot_graph]
		386	test si, si
		387	jnz .no_zero ;if no zero
		388	end if
		389	.zerro:
		390	; mov ax,modes_table
		391	; mov word [cursor_pos],ax
		392	; mov word [home_cursor],ax
		393	; mov word [preboot_graph],ax
		394	;SET default video of mode first probe will fined a move of work 1024x768@32
		395
		396	mov ax, 1024
		397	mov bx, 768
		398	mov si, modes_table
		399	call .loops
		400	test ax, ax
		401	jz .ok_found_mode
		402	mov ax, 800
		403	mov bx, 600
		404	mov si, modes_table
		405	call .loops
		406	test ax, ax
		407	jz .ok_found_mode
		408	mov ax, 640
		409	mov bx, 480
		410	mov si, modes_table
		411	call .loops
		412	test ax, ax
		413	jz .ok_found_mode
		414
		415	mov si, modes_table
		416	if ~ defined extended_primary_loader
		417	jmp .ok_found_mode
		418
		419
		420
		421	.no_zero:
		422	mov bp, word [number_vm]
		423	cmp bp, word [es:si+6]
		424	jz .ok_found_mode
		425	mov ax, word [x_save]
		426	mov bx, word [y_save]
		427	mov si, modes_table
		428	call .loops
		429	test ax, ax
		430	jz .ok_found_mode
		431
		432	mov si, modes_table
		433	; cmp ax,modes_table
		434	; jb .zerro ;check on correct if bellow
		435	; cmp ax,word [end_cursor]
		436	; ja .zerro ;check on correct if anymore
		437	end if
		438
		439	.ok_found_mode:
		440	mov word [home_cursor], si
		441	; mov word [cursor_pos],si
		442	mov word [preboot_graph], si
		443	mov ax, si
		444
		445	mov ecx, long_v_table
		446
		447	.loop:
		448	add ax, size_of_step
		449	cmp ax, word [end_cursor]
		450	jae .next_step
		451	loop .loop
		452	.next_step:
		453	sub ax, size_of_step*long_v_table
		454	cmp ax, modes_table
		455	jae @f
		456	mov ax, modes_table
		457	@@:
		458
		459	mov word [home_cursor], ax
		460	mov si, [preboot_graph]
		461	mov word [cursor_pos], si
		462
		463	push word [es:si]
		464	pop word [x_save]
		465	push word [es:si+2]
		466	pop word [y_save]
		467	push word [es:si+6]
		468	pop word [number_vm]
		469
		470	ret
		471	;;;;;;;;;;;;;;;;;;;;;;;;;;;
		472	.loops:
		473	cmp ax, word [es:si]
		474	jne .next
		475	cmp bx, word [es:si+2]
		476	jne .next
		477	cmp word [es:si+8], 32
		478	je .ok
		479	cmp word [es:si+8], 24
		480	je .ok
		481	.next:
		482	add si, size_of_step
		483	cmp word [es:si], -1
		484	je .exit
		485	jmp .loops
		486	.ok:
		487	xor ax, ax
		488	ret
		489	.exit:
		490	or ax, -1
		491	ret
		492
		493
		494	;-----------------------------------------------------------------------------
		495
		496	;default_vmode:
3591	Serge	497
2288	clevermous	498	;-----------------------------------------------------------------------------
		499	draw_vmodes_table:
		500	_setcursor 9, 2
		501	mov si, gr_mode
		502	call printplain
		503
		504	mov si, _st
		505	call printplain
		506
		507	push word [cursor_pos]
		508	pop ax
		509	push word [home_cursor]
		510	pop si
		511	mov cx, si
		512
		513	cmp ax, si
		514	je .ok
		515	jb .low
		516
		517
		518	add cx, size_of_step*long_v_table
3591	Serge	519
2288	clevermous	520	cmp ax, cx
		521	jb .ok
3591	Serge	522
2288	clevermous	523	sub cx, size_of_step*long_v_table
		524	add cx, size_of_step
		525	cmp cx, word[end_cursor]
		526	jae .ok
		527	add si, size_of_step
		528	push si
		529	pop word [home_cursor]
		530	jmp .ok
		531
		532
		533	.low:
		534	sub cx, size_of_step
		535	cmp cx, modes_table
		536	jb .ok
		537	push cx
		538	push cx
		539	pop word [home_cursor]
		540	pop si
		541
		542
		543	.ok:
		544	; calculate scroll position
		545	push si
		546	mov ax, [end_cursor]
		547	sub ax, modes_table
		548	mov bx, size_of_step
		549	cwd
		550	div bx
		551	mov si, ax ; si = size of list
		552	mov ax, [home_cursor]
		553	sub ax, modes_table
		554	cwd
		555	div bx
		556	mov di, ax
		557	mov ax, scroll_area_size*long_v_table
		558	cwd
		559	div si
		560	test ax, ax
		561	jnz @f
		562	inc ax
		563	@@:
		564	cmp al, scroll_area_size
		565	jb @f
		566	mov al, scroll_area_size
		567	@@:
		568	mov cx, ax
		569	; cx = scroll height
		570	; calculate scroll pos
		571	xor bx, bx ; initialize scroll pos
		572	sub al, scroll_area_size+1
		573	neg al
		574	sub si, long_v_table-1
		575	jbe @f
		576	mul di
		577	div si
		578	mov bx, ax
		579	@@:
		580	inc bx
		581	imul ax, bx, size_of_step
		582	add ax, [home_cursor]
		583	mov [scroll_start], ax
		584	imul cx, size_of_step
		585	add ax, cx
		586	mov [scroll_end], ax
		587	pop si
		588	mov bp, long_v_table ;show rows
		589	.@@_next_bit:
		590	;clear cursor
		591	mov ax, ' '
		592	mov word[ds:_r1+21], ax
		593	mov word[ds:_r1+50], ax
		594
		595	mov word[ds:_r2+21], ax
		596	mov word[ds:_r2+45], ax
		597
		598	mov word[ds:_rs+21], ax
		599	mov word[ds:_rs+46], ax
		600	; draw string
		601	cmp word [es:si+6], 0x12
		602	je .show_0x12
		603	cmp word [es:si+6], 0x13
		604	je .show_0x13
		605
		606	movzx eax, word[es:si]
		607	cmp ax, -1
		608	je .@@_end
		609	mov di, _rs+23
		610	mov ecx, 10
		611	mov bl, 4
		612	call int2str
		613	movzx eax, word[es:si+2]
		614	inc di
		615	mov bl, 4
		616	call int2str
		617
		618	movzx eax, word[es:si+8]
		619	inc di
		620	mov bl, 2
		621	call int2str
		622
		623	cmp si, word [cursor_pos]
		624	jne .next
		625	;draw cursor
		626	mov word[ds:_rs+21], '>>'
		627	mov word[ds:_rs+46], '<<'
		628
		629
3591	Serge	630
2288	clevermous	631	.next:
		632	push si
		633	mov si, _rs
		634	.@@_sh:
		635	; add to the string pseudographics for scrollbar
		636	pop bx
		637	push bx
		638	mov byte [si+53], ' '
		639	cmp bx, [scroll_start]
		640	jb @f
		641	cmp bx, [scroll_end]
		642	jae @f
		643	mov byte [si+53], 0xDB ; filled bar
		644	@@:
		645	push bx
		646	add bx, size_of_step
		647	cmp bx, [end_cursor]
		648	jnz @f
		649	mov byte [si+53], 31 ; 'down arrow' symbol
		650	@@:
		651	sub bx, [home_cursor]
		652	cmp bx, size_of_step*long_v_table
		653	jnz @f
		654	mov byte [si+53], 31 ; 'down arrow' symbol
		655	@@:
		656	pop bx
		657	cmp bx, [home_cursor]
		658	jnz @f
		659	mov byte [si+53], 30 ; 'up arrow' symbol
		660	@@:
		661	call printplain
		662	pop si
		663	add si, size_of_step
		664
		665	dec bp
		666	jnz .@@_next_bit
		667
		668	.@@_end:
		669	mov si, _bt
		670	call printplain
		671	ret
		672	.show_0x13:
		673	push si
		674
		675	cmp si, word [cursor_pos]
		676	jne @f
		677	mov word[ds:_r1+21], '>>'
		678	mov word[ds:_r1+50], '<<'
		679	@@:
		680	mov si, _r1
		681	jmp .@@_sh
		682	.show_0x12:
		683	push si
		684	cmp si, word [cursor_pos]
		685	jne @f
		686
		687	mov word[ds:_r2+21], '>>'
		688	mov word[ds:_r2+45], '<<'
		689	@@:
		690	mov si, _r2
		691	jmp .@@_sh
		692
		693	;-----------------------------------------------------------------------------
		694	;Clear arrea of current video page (0xb800)
		695	clear_vmodes_table:
		696	pusha
		697	; draw frames
		698	push es
		699	push 0xb800
		700	pop es
		701	mov di, 1444
		702	xor ax, ax
		703	mov ah, 1*16+15
3795	mario79	704	mov cx, 77
2288	clevermous	705	mov bp, 12
		706	.loop_start:
		707	rep stosw
3795	mario79	708	mov cx, 77
		709	add di, 6
2288	clevermous	710	dec bp
		711	jns .loop_start
		712	pop es
		713	popa
		714	ret
		715
		716	;-----------------------------------------------------------------------------
		717
		718	set_vmode:
		719	push 0 ;0;x1000
		720	pop es
		721
		722	mov si, word [preboot_graph] ;[preboot_graph]
		723	mov cx, word [es:si+6] ; number of mode
		724
		725
		726	mov ax, word [es:si+0] ; resolution X
		727	mov bx, word [es:si+2] ; resolution Y
		728
		729
2466	Serge	730	mov word [es:BOOT_X_RES], ax ; resolution X
		731	mov word [es:BOOT_Y_RES], bx ; resolution Y
		732	mov word [es:BOOT_VESA_MODE], cx ; number of mode
2288	clevermous	733
		734	cmp cx, 0x12
		735	je .mode0x12_0x13
		736	cmp cx, 0x13
		737	je .mode0x12_0x13
		738
		739
2407	mario79	740	; cmp byte [s_vesa.ver], '2'
		741	; jb .vesa12
2288	clevermous	742
		743	; VESA 2 and Vesa 3
		744
		745	mov ax, 0x4f01
		746	and cx, 0xfff
		747	mov di, mi;0xa000
		748	int 0x10
		749	; LFB
		750	mov eax, [es:mi.PhysBasePtr];di+0x28]
2466	Serge	751	mov [es:BOOT_LFB], eax
2288	clevermous	752	; ---- vbe voodoo
		753	BytesPerLine equ 0x10
		754	mov ax, [es:di+BytesPerLine]
2466	Serge	755	mov [es:BOOT_PITCH], ax
2288	clevermous	756	; BPP
		757	cmp [es:mi.BitsPerPixel], 16
		758	jne .l0
		759	cmp [es:mi.GreenMaskSize], 5
		760	jne .l0
		761	mov [es:mi.BitsPerPixel], 15
		762	.l0:
		763	mov al, byte [es:di+0x19]
2466	Serge	764	mov [es:BOOT_BPP], al
2288	clevermous	765	jmp .exit
		766
		767	.mode0x12_0x13:
2466	Serge	768	mov byte [es:BOOT_BPP], 32
		769	or dword [es:BOOT_LFB], 0xFFFFFFFF; 0x800000
2288	clevermous	770
		771
		772	; VESA 1.2 PM BANK SWITCH ADDRESS
		773
2407	mario79	774	;.vesa12:
		775	; mov ax, 0x4f0A
		776	; xor bx, bx
		777	; int 0x10
		778	; xor eax, eax
		779	; xor ebx, ebx
		780	; mov ax, es
		781	; shl eax, 4
		782	; mov bx, di
		783	; add eax, ebx
		784	; movzx ebx, word[es:di]
		785	; add eax, ebx
		786	; push 0x0000
		787	; pop es
		788	; mov [es:0x9014], eax
2288	clevermous	789	.exit:
		790	ret
		791
		792	;=============================================================================
		793	;=============================================================================
		794	;=============================================================================
		795

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(root)/kernel/trunk/boot/bootvesa.inc @ 7132 – Rev 3999