Monthly Archives: December 2016

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

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

Posted in CoCo Programming | Leave a comment

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

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 | 5 Comments

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

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 | 1 Comment