Re:Z80 arithmetic: also surprisingly terrible (2018)
by jgrahamc on Monday January 14, 2019 @04:40AM
(#18901851)
Yep. The trade off is that takes 3 more bytes but it's a great example of the thinking that went into writing 'tight' code for these processors. You're doing a loop unroll for speed and taking up more space, depending on what evil trick you're up to (e.g. hiding code inside a 128 byte unused spot in the BDOS) one might be better than the other.
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