Re: Two friendly questions to Apple II users...

[david@uow.edu.au (David E A Wilson)]

>David E A Wilson wrote:
>> The first revision of the 6502 did not have the ROR instruction.
>> It was added in the next rev chip. I have never seen a 6502 old enough not
>> to have the ROR instruction.

The January 1976 manual for the MCS65XX family states that June 1976 chips
are the first to have the ROR instruction. Anyone seen a 6502 with a date code
less than 7621?
--
David Wilson	Dept CompSci Uni Wollongong Australia	david@cs.uow.edu.au