Tag Archives: TRS-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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My Journey Began with BASIC

Originally published on: Sun, 13 Mar 2011. “It is practically impossible to teach good programming to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration” – Edsger Dijkstra My … Continue reading

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Mad Magazine meets 80 Micro

I had no idea that long-time Mad Magazine cartoonist Don Martin had drawn a cover for 80’s TRS-80 enthusiast magazine 80 Micro. Here’s the cover to the September 1984 issue ( shortly after I stopped buying the magazine. )

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Growing Up with Radio Shack

I saw in the online Wall Street Journal that Radio Shack is preparing to file for bankruptcy: http://www.wsj.com/articles/radioshack-prepares-bankruptcy-filing-1421279360 I had read a blog post eulogizing the store from a former employee several weeks ago. I ended up on the Radio … Continue reading

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My Favorite BASIC One-Liner

A new book called 10 PRINT CHR$ (205.5 + RND (1)); : GOTO 10 was discussed on HackerNews. The title of the book is a one-line BASIC statement for the Commodore 64 computer that will generate a continuously scrolling maze on … Continue reading

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