I just found this guide on how to work with non-square pixels in GIMP!
I’ve been porting my turbo loader to VIC20. It’s a two bit protocol with a timing critical part to send a byte from the drive. I started off by calculating cycles and taking the different CPU speeds into account to determine the cycle windows where bits are safe to read on the computer side. Everything looks correct but won’t work. I ended up adding cycles by trial-and-error until there’s no margin for error. It annoys me that I couldn’t get it right with cycle counting.
Aleksi Eeben made a conversion of Archon for the unexpanded #VIC20!
After a lot of work I have reached a milestone in my disk magazine player. I can now select an article from a menu and render the first page of an article on the screen. Disk sectors are preloading and cached in the background. It’s pretty neat. I got this running on C128 on the VIC chip. Next up is VDC.
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