Re:The Ultimate Commodore 1541 Disk Drive Talk [video]
by buescher on Thursday September 16, 2021 @01:31PM
(#28554605)
"In order to shave off a cycle from every instruction that modifies another one, the entire loop will be placed in the zero-page." Oh wow.
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Re:The Ultimate Commodore 1541 Disk Drive Talk [video]
by TacticalCoder on Thursday September 16, 2021 @03:35PM
(#28556294)
If you like that kind of stuff, here's the 256 bytes (!) C64 intro "A mind is born" and its technical explanation... It's using that same zero-page trick:
https://linusakesson.net/scene/a-mind-is-born
I have no words... These coders are amazing!