Monthly Archives: December 2016

Zilog z80 to Motorola 6809 Transcode – Part 002 – How to handle jump tables

Posted on December 30, 2016 by nowhereman999

I was going through the data sections of the source code and I found out a lot of small sections where there are jump tables to different routines.  So these will have to be handled separately from regular data that … Continue reading →

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Zilog z80 to Motorola 6809 Transcode – Part 001 – General CPU transcoding info

Posted on December 29, 2016 by nowhereman999

Hello, For my own knowledge I’m trying to port the original Pac Man arcade game to run on my old Color Computer 3.  This will probably be a more general description of the Z80 to 6809 conversion, so it should … Continue reading →

Posted in CoCo Programming | 7 Comments

Space Invaders – CPU Translated from Intel 8080 to Motorola 6809 for the TRS-80 Color Computer 3

Posted on December 26, 2016 by nowhereman999

Hello, I have recently gotten back into old computer emulation like my Commodore Amiga and even more so with my TRS-80 Color Computer.  I was having a lot of fun getting back into assembly programming on the CoCo.  In the … Continue reading →

Posted in CoCo Programming | 6 Comments