A89: Re: .s instruction extention
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A89: Re: .s instruction extention
Hi!
> I am under the impression that the .s extention references a
> set flag, since (to the best of my knowledge)the tst instruction
> only affects the flag register, however, how does the 68k know
> which flag the .s extention is referencing? If anyone could shed
> some light on this, please let me know.
".s" means "short" not "set". "beq.s" is on MC68000 the same as
"beq", but later processors (like 68020) have a "long" branches
in addition to "short" ones, so ".s" is introduced to make a
difference between them (but this is not important on 68000).
Zeljko
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