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A comment on XOR'ing a register with itself is the idiom for zeroing it out. Why not sub?. Parent comment

Re:XOR'ing a register with itself is the idiom for zeroing i... by Jare on Wednesday April 22, 2026 @04:05PM (#47868585)
This is the exact reason I remember from back in the 80's. Perform arithmetic, clear register, CF is still valid.
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