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PolyMorphic Systems -
Video Board
This was the only video board
Polymorphic Systems made. That said, it was a very advanced board at the
time it appeared.
The PolyMorphic
Systems video terminal interface (VTI) could
display 16 lines of 32 or 64
characters (depending on options) on a
TV monitor or slightly modified TV
receiver. The character-forming dot matrix projected
onto the TV screen is seven dots wide
by nine dots high, embedded in a
ten-by-fifteen field, for distinct,
natural-looking, easily readable symbols. The VTI
displayed upper and lower case letters,
punctuation, numbers, a special set of
symbols representing the ASCII control characters,
plus another special set of 64
graphics plotting characters. The special
graphics capability allowed you to display
a plotting grid with up to 48 by
128 cells in addition to any other
characters. Board circuitry included
an input port for an ASCII keyboard, making
it a complete interface between keyboard,
computer, and TV.
The manual for this board can be
obtained
here.
Other PolyMorphic Systems S-100 Boards
Video Display
Board
8080 CPU
FDC
This page was last modified
on
12/07/2009