VideoCard Function 18 (12h) - Check if mode is supported

Description
Not all videocards support all videomodes that your application could require. Use this function to find out if your mode is supported.
Input

AH

12h

DL

ModeNumber
Output

AL

0 if supported, > 0 if not
Errorcodes

None

None
Notes
None
Development Status
Currently always returns an OK.

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