Tag Archives: Retrocomputing

BSave and BLoad for the Commodore 64

I wrote this little subroutine package for the Commodore 64 in 2002. You can likely still find a cached Usenet post to comp.sys.cbm referring to it. I thought that I would add in an open-source license header and would present … Continue reading

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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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An Interview with the Author of the French Silk Assembler

Speaking with Don French : The Man Behind the French Silk Assembler Tools Originally posted 5-21-2004.  In the early days of 8-bit computing, a programmer’s most often-used tool was the assembler. Due to memory constraints, many of the early 8-bit … Continue reading

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An Interview with Game Developer James Hague

This post was originally published in 1999. It was formerly hosted at http://www.radiks.net/~jimbo/art/int5.htm Being a bit of a video-game and classic computer enthusiast, I recently purchased the electronic book Halcyon Days – Interviews with Classic Computer and Video Game Programmers. … Continue reading

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Jim Butterfield : The Commodore Guru

Originally published on: Sun, 25 Apr 2010 19:35:16 +0000 Jim Butterfield passed away on June 29th, 2007 after a long battle with cancer. I grieve with the family and the legions of techies who looked upon Jim as a mentor … 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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Back to BASIC

I saw this nice post about learning to write programs on a TRS-80 computer. http://baugues.com/trs-80/ I noted a number of comments on an aggregator site each suggesting using modern programming languages with interactive environments as an analogue to those days. … Continue reading

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BBS Fun in the Eighties

Originally published on: Sat, 13 Mar 2010 My introduction to the world of electronic bulletin-board systems ( BBS’s ) began in the mid-1980’s. One evening, my friend John called to say that he’d gotten a modem for his Commodore 64. … Continue reading

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Extending Commodore 64 BASIC

Back in the day, I used to write machine-language subroutines for the Commodore 64 that I would then call from a main program written in BASIC. I found it easier to use BASIC as the higher-order controller over a set … Continue reading

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1985 Computing : Atari and Commodore

I happened upon a stash of episodes of the television series The Computer Chronicles from 1985.  At the time, I watched this show as often as I could.  The primary sources for computer news in those days were magazines and … Continue reading

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