The SPIISD is a very good, cheap solution to add storage to the non-slotted Apple IIc. But it was not working well enough for my use-case.
2025/11/18 Continue reading...-
-
Optimizing a 6502 image decoder – part II: assembly

Second part of the article about image decoder optimization, this time focusing on 6502 assembly tricks.
2025/10/03 Continue reading... -
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... -
-
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...

