Re: Clever ways to hide a compare

Keyser Soze <spamtrap@xxxxxxxxxx> wrote:
> There are a few opcodes that don't affect the carry flag
> even though they look they should, especially the NEG opcode.

Some of this may be to facilitate porting from the 8080 or 8085.

Equally historical, the carry flag is often left untouched in
things like INC & DEC to make multiple precision arithmetic
(usually involving looping) easier.

-- Robert



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