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	mov   ax,4f01h					     ; set vesa screen mode information
	mov   di,Mode_Info
	mov   cx,0x4112 				     ; mode number
	and   cx,0xfff
	int   10h 

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;====================================================;
; VESA MODE INFORMATION                              ;
;====================================================;
Mode_Info:
ModeInfo_ModeAttributes		rw	1
ModeInfo_WinAAttributes		rb	1
ModeInfo_WinBAttributes		rb	1
ModeInfo_WinGranularity		rw	1
ModeInfo_WinSize		rw	1
ModeInfo_WinASegment		rw	1
ModeInfo_WinBSegment		rw	1
ModeInfo_WinFuncPtr		rd	1
ModeInfo_BytesPerScanLine	rw	1
ModeInfo_XResolution		rw	1
ModeInfo_YResolution		rw	1
ModeInfo_XCharSize		rb	1
ModeInfo_YCharSize		rb	1
ModeInfo_NumberOfPlanes		rb	1
ModeInfo_BitsPerPixel		rb	1
ModeInfo_NumberOfBanks		rb	1
ModeInfo_MemoryModel		rb	1
ModeInfo_BankSize		rb	1
ModeInfo_NumberOfImagePages	rb	1
ModeInfo_Reserved_page		rb	1
ModeInfo_RedMaskSize		rb	1
ModeInfo_RedMaskPos		rb	1
ModeInfo_GreenMaskSize		rb	1
ModeInfo_GreenMaskPos		rb	1
ModeInfo_BlueMaskSize		rb	1
ModeInfo_BlueMaskPos		rb	1
ModeInfo_ReservedMaskSize	rb	1
ModeInfo_ReservedMaskPos	rb	1
ModeInfo_DirectColorModeInfo	rb	1
; VBE 2.0 extensions
ModeInfo_PhysBasePtr		rd	1
ModeInfo_OffScreenMemOffset	rd	1
ModeInfo_OffScreenMemSize	rw	1
; VBE 3.0 extensions
ModeInfo_LinBytesPerScanLine	rw	1
ModeInfo_BnkNumberOfPages	rb	1
ModeInfo_LinNumberOfPages	rb	1
ModeInfo_LinRedMaskSize		rb	1
ModeInfo_LinRedFieldPos		rb	1
ModeInfo_LinGreenMaskSize	rb	1
ModeInfo_LinGreenFieldPos	rb	1
ModeInfo_LinBlueMaskSize	rb	1
ModeInfo_LinBlueFieldPos	rb	1
ModeInfo_LinRsvdMaskSize	rb	1
ModeInfo_LinRsvdFieldPos	rb	1
ModeInfo_MaxPixelClock		rd	1
; Reserved
ModeInfo_Reserved		rb	190
;====================================================;
; VESA MODE INFORMATION END                          ;
;====================================================;

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mov   edi,[ModeInfo_PhysBasePtr]
mov   dword[es:edi], 0x00cccccc  ;color

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int init_vbe()
{
	u32 *i,x=0;
	availableModes();
	init_mode(0x4000+0x144)
	i=ModeInfoBlock->phys_base;
	while(++x<1024*768*4)	{
		*i++=0x00cccccc;
	}
	while(1);
	return NULL;
}

Code: Select all

gdt:

gdt_null:
        dd 0
        dd 0

SYS_CODE_SEL	equ	$-gdt
gdt_code:
        dw 0FFFFh
        dw 0
        db 0
        db 0x9A
        db 0xFC
        db 0

SYS_DATA_SEL	equ	$-gdt
gdt_data:
        dw 0FFFFh
        dw 0
        db 0
        db 0x92
        db 0xFC
        db 0

REAL_CODE_SEL	equ	$-gdt
gdt3:	dw 0xFFFF
	dw 0
	db 0
	db 0x9A
	db 0
	db 0