Tag Archives: Z-80

Learning Z-80 Assembly Language on the TRS-80

Originally published on: Sun, 08 Nov 2009 02:17:14 +0000 My first computer was a second-hand TRS-80 Model I with 16K of RAM and a cassette-recorder for auxiliary storage. I was 17 years old when I received this computer in the … Continue reading

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Understanding TRS-80 CMD Files

I had originally published this text on Sunday, November 8, 2009. Reworking it for the newer blog reminded me that I need to pick up the Z-80 assembler and write more for the venerable Model I! There is some C … Continue reading

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Ancient Devtools

When I first began using microcomputers in the late 1970’s, development tools for 8-bit machines were precious and mysterious commodities.  Most of these sorts of tools that looked to be useful were very expensive.  My usage of most of these … Continue reading

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