Re: Hardware emulation of 6509 using 6502?

From: Michał Pleban <*lists_at_michau.name*> Date: Wed, 08 Nov 2017 17:13:52 +0100 Message-ID: <5A032D40.8050608@michau.name> · lists_at_michau.name

Mia Magnusson wrote:

> Are we even sure how the real 6509 does? Writing a short look that
> stores data in one or two of the registers and then just loops back.
> That would produce a load of write pulses if write actually goes out on
> the external bus, but it won't produce any write pulses (except the
> spurios ones generated by interrupt service routines e.t.c.) if writing
> to 0/1 doesn't generate any write pulses.

I suppose it's done the same way as on the 6510 - how does it look there?

Regards,
Michau.

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