Re: Hardware emulation of 6509 using 6502?

From: Michał Pleban <*lists_at_michau.name*> Date: Sun, 25 Feb 2018 18:39:52 +0100 Message-ID: <5A92F4E8.6000509@michau.name> · lists_at_michau.name

Michał Pleban wrote:

> However, it is possible that these locations ARE corrupted but in the
> current execution bank; since the ROM code always runs from bank $F,
> corrupting values $F0000 and $F0001 is not a big deal.

It also brings the reverse problem - if a location $0000 or $0001 os
being read by the a LDA (xx),Y operation, will it read the CPU register
or underlying RAM?

Regards,
Michau.

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