qb45advr.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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.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
                    VGA and MCGA Adapter SCREEN Modes
Screen 11
  ■ 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 2 attributes
Screen 12
  ■ 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 attributes
  ■ VGA required
Screen 13
  ■ 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 attributes