RE: Assy question

ncoplin_at_orbeng.com
Date: 2001-03-15 10:27:28

>> Have I miscounted my cycles? Is there ANY circumstance
>> under which the first routine is 'quicker' than the
>> second???  :-/

>The only thing I can think of is that the author made the same mistake as
>I
>did: assuming that the above 1 byte commands only take one cycle. Personal
>remark: why do they need two???

is it not because the 6502/10 being a single cycle device, it has already
started a read cycle assuming it needs the next byte regardless... once it
identifies that it doesn't, it just trashes the byte and continues.... a
primitive form of caching /pipe-lining


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