bas7advr.hlp (Topic list)
SCREEN Statement - Screen Mode Summary
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Screen Mode Summary
 
See Adapters and Displays for the valid ranges for apage% and vpage%
for each graphics adapter. See Attributes and Colors for a list of
the default color attributes for different screen modes.
 
The following table briefly summarizes each of the screen modes. The
color adapters referred to are:
 
    ■ The IBM Monochrome Display and Printer Adapter (MDPA)
    ■ The IBM Color Graphics Adapter (CGA)
    ■ The IBM Enhanced Graphics Adapter (EGA)
    ■ The IBM Video Graphics Array (VGA)
    ■ The IBM Multicolor Graphics Array (MCGA)
    ■ The Olivetti Color Adapter
 
The Hercules Graphics Card, Graphics Card Plus and InColor adapters
are supported, but only with monochrome monitors.
 
  Note: Many screen modes support more than one combination of rows and
        columns on the screen. See the WIDTH Statement Details for
        more information about changing the number of rows and columns
        on the display.
 
──────MDPA, CGA, Hercules, Olivetti, EGA, VGA, or MCGA Adapters───────────────
SCREEN 0: Text mode only
    ■ 40 x 25, 40 x 43, 40 x 50, 80 x 25, 80 x 43, or 80 x 50 text format
      with 8 x 8 character box size (8 x 14, 9 x 14, or 9 x 16 with EGA or
      VGA)
    ■ 16 colors assigned to two attributes
    ■ 16 colors assigned to any of 16 attributes (with CGA or EGA)
    ■ 64 colors assigned to any of 16 attributes (with EGA or VGA)
 
─────────────────── CGA, EGA, VGA, or MCGA Adapters───────────────────────────
SCREEN 1: 320 x 200 graphics
    ■ 40 x 25 text format, 8 x 8 character box
    ■ 16 background colors and one of two sets of 3 foreground colors
      assigned using COLOR statement with CGA
    ■ 16 colors assigned to 4 attributes with EGA or VGA
SCREEN 2: 640 x 200 graphics
    ■ 80 x 25 text format with character box size of 8 x 8
    ■ 16 colors assigned to 2 attributes with EGA or VGA
 
─────────────Hercules, Olivetti, or AT&T Adapters─────────────────────────────
SCREEN 3: Hercules adapter required, monochrome monitor only
    ■ 720 x 348 graphics
    ■ 80 x 25 text format, 9 x 14 character box
    ■ 2 screen pages (or one, if a second display adapter is installed)
    ■ PALETTE statement not supported
SCREEN 4:
    ■ Supports Olivetti Personal Computers models M24, M240, M28, M280,
      M380, M380/C, M380/T and AT&T (R) Personal Computers 6300 series
    ■ 640 x 400 graphics
    ■ 80 x 25 text format, 8 x 16 character box
    ■ 1 of 16 colors assigned as the foreground color (selected by the
      COLOR statement); background is fixed at black.
 
Warning: Olivetti personal computers running 3XBOX under OS/2 should avoid
         screen mode 4.
 
──────────────────────────EGA or VGA Adapters─────────────────────────────────
SCREEN 7: 320 x 200 graphics
    ■ 40 x 25 text format, character box size 8 x 8
    ■ 32K page size, pages 0-1 (64K adapter memory), 0-3 (128K), or 0-7
      (256K)
    ■ Assignment of 16 colors to any of 16 attributes
SCREEN 8: 640 x 200 graphics
    ■ 80 x 25 text format, 8 x 8 character box
    ■ 64K page size, pages 0 (64K adapter memory), 0-1 (128K), or 0-3 (256K)
    ■ Assignment of 16 colors to any of 16 attributes
SCREEN 9: 640 x 350 graphics
    ■ 80 x 25 or 80 x 43 text format, 8 x 14 or 8 x 8 character box size
    ■ 64K page size, page 0 (64K adapter memory);
      128K page size, pages 0 (128K adapter memory) or 0-1 (256K)
    ■ 16 colors assigned to 4 attributes (64K adapter memory), or
      64 colors assigned to 16 attributes (more than 64K adapter memory)
 
───────────────EGA or VGA Adapters, Monochrome Monitor Only───────────────────
SCREEN 10: 640 x 350 graphics, monochrome monitor only
    ■ 80 x 25 or 80 x 43 text format, 8 x 14 or 8 x 8 character box size
    ■ 128K page size, pages 0 (128K adapter memory) or 0-1 (256K)
    ■ Up to 9 shades of gray assigned to 4 attributes
 
──────────────────────────VGA or MCGA Adapters────────────────────────────────
Screen 11 (VGA or MCGA)
    ■ 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 (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 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 attributes
 
See Also    SCREEN Statement