z80 timing... 6502 timing

From: Sellam Ismail <dastar_at_ncal.verio.com>
Date: Sat Apr 17 16:04:27 1999

On Sat, 17 Apr 1999, Allison J Parent wrote:

> The 6502 series ahd all sorts of undocumented opcodes and they tended to
> change with later versions.

The 65C02 version effectively ended the regular 6502 undocumented opcodes
since it added a few new instructions and some new addressing modes for
existing instructions that took on the opcodes of some of the previously
undocumented ones.

Sellam Alternate e-mail: dastar_at_siconic.com
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Received on Sat Apr 17 1999 - 16:04:27 BST

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