Second part of the article about image decoder optimization, this time focusing on 6502 assembly tricks.
2025/10/03 Continue reading...-
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Optimizing a 6502 image decoder, from 70 minutes to 1 minute
A little walkthrough on an image decoder algorithm’s high-level optimization, in order to make more digestable for a 6502 processor.
2025/09/28 Continue reading... -
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Speed-coding for the 6502 – a simple example
A real-life example showing how to scale an image in either 10 seconds, or 0.2 seconds, using 6502 assembly.
2025/08/28 Continue reading... -
Aligning cc65’s Apple2 runtime to hardware capabilities
It is now possible to use lowercase and 80 columns on the cc65 apple2 target. This article explains the changes.
2025/07/06 Continue reading...
