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Re: 6503?

edick@hotmail.com (Richard Erlacher) writes:
>>look at the board and chips.  Instead of the 65c02a like my other IIc,
>>this one had a 6503.

> Are you sure you know what you picked up?  The 6503 is a 28-pin CPU
> with a 4k address range (12 address bits).  [...] not an enhanced 6502.
> It's a baby brother to the 6502, quite suitable for microcontroller
> applications, but not much else.

I have seen the 6503 in Apple II computers as well (only it was the IIe).  It
has been suggested that one manufacturer labelled their 65c02 as 6503's,
apparently with little regard to the existance of the baby brother.

Byron