bas7advr.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
SCREEN Modes 11, 12, and 13
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                    VGA or MCGA Adapters
Screen 11 (VGA or MCGA Adapters)
    ■ 640 x 480 graphics
    ■ 80 x 30 or 80 x 60 text format, character box size of 8 x 16 or 8 x 8
    ■ Assignment of up to 256K colors to two color attributes
Screen 12 (VGA)
    ■ 640 x 480 graphics
    ■ 80 x 30 or 80 x 60 text format, character box size of 8 x 16 or 8 x 8
    ■ Assignment of up to 256K colors to 16 color attributes
Screen 13 (VGA or MCGA)
    ■ 320 x 200 graphics
    ■ 40 x 25 text format, character box size of 8 x 8
    ■ Assignment of up to 256K colors to up to 256 color attributes