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TRS-80 Keyboard Tester v1.1

for TRS-80 Model I, III, or 4

Do all your keys work?


Keyboard Tester is a utility that allows you to test your TRS-80 keyboard. It shows each key as it is being pressed. Multiple keys may be pressed at the same time. A great way to test your keyboard as well as testing your NEWKEY/80 USB keyboard adapter. Especially useful to see your keyboard support of N-key rollover.

Features include:

  • Works on TRS-80 Model 1/3/4/4p
  • 100% assembly language for flicker-free fast response
floppy disk icon Keyboard Tester for TRS-80 Download


keyboard tester screenshot