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Radio Shack Tandy TRS-80 Model I System

TRS-80 was Tandy Corporation's first microcomputer model, with Zilog's Z80 8-bit CPU. TRS-80 was sold through Tandy's Radio Shack stores in the late 1970s and early 1980s.


Layout of Characters and Pixels


Layout of characters and pixels on the TRS-80 display [1]

Chess Programs

MicroChess, by Peter Jennings, was the first commercially-available microcomputer-based chess program running on a TRS-80, soon followed by Sargon, written by Dan and Kathe Spracklen.

4-1.microchess screenshot.L062302022.JENNINGS.lg.jpg

Microchess 1.5 on TRS-80 [2]


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