Monthly Archives: May 2017

Zilog z80 to Motorola 6809 Transcode – Part 023 – Optimized sprite rendering, combining Compiled sprites with Stack Blasting

Posted on May 24, 2017 by nowhereman999

Talking with other CoCo users about optimizing the sprite rendering on the CoCo I’ve figured out the best way to render the sprites for Pac Man on the CoCo3.  This article will summarize what I’ve learned and then explain what … Continue reading →

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Zilog z80 to Motorola 6809 Transcode – Part 022 – Quick and dirty Speed Test – Five Sprites and 2 audio samples at the same time

Posted on May 18, 2017 by nowhereman999

I decided to put the Pac Man Sprite code and audio code together and see how fast the Pac Man transcode could be drawing five compiled sprites and playing back two separate audio samples at the same time.  There’s still … Continue reading →

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