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Re: 6502 illegal opcodes questions



David Empson wrote:

Yes, according to information in the data sheets (which I don't have
handy and can't verify).

BTW the 65C02 data sheet is available from WDC as I just found out:

http://www.westerndesigncenter.com/wdc/datasheets/w65c02s.pdf

Though AFAIK the old 65C02 in the Apple lacked the WAI, STP, BBSx and BBRx instructions, right? Since they're not emulated by the old Applewin code.

--
Linards Ticmanis