Return SuperVGA Information
Input |
Output |
AX
|
4Fh |
00h |
Status |
4Fh=Supported |
AX |
BX
|
|
|
|
|
BX |
CX
|
|
|
|
|
CX |
DX
|
|
|
|
|
DX |
ES:DI |
256
byte buffer |
|
ES:DI |
Status:
0 = Success
1 = Failed
Else = Reserved (treat as failure)
Buffer Layout:
DWORD Signature ('VESA')
BYTE Minor Version
BYTE Major Version
DWORD Pointer to ASCIIZ OEM String
DWORD Capabilities Bitmap (Currently undefined)
DWORD Pointer to list of supported modes.
This is a list of words, terminated with FFFFh
Standard VESA Display Modes:
Mode |
Resolution |
Colours |
100h |
640 x 480 |
256 |
101h |
640 x 480 |
256 |
102h |
800 x 600 |
16 |
103h |
800 x 600 |
256 |
104h |
1024 x 768 |
16 |
105h |
1024 x 768 |
256 |
106h |
1280 x 1024 |
16 |
107h |
1280 x 1024 |
256 |
06Ah |
800 x 600 |
16 |
|