//KM 2018 03 23: getting lots of form spam; screen out dates before 2000 (book publication date) opcodes | Byte Craft Limited

opcodes

Alternative opcodes

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A support question brought up an interesting optimization topic: alternative opcodes.

We've all heard stories of using undocumented or unofficial opcodes to squeeze out a few cycles' extra performance. It's much easier, not to mention safer, to work within the published instruction set but to approach it in novel ways.

Here's an example:

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