Re: Hardware emulation of 6509 using 6502?

From: Michał Pleban <*lists_at_michau.name*> Date: Thu, 15 Mar 2018 21:55:20 +0100 Message-ID: <5AAADDB8.2020007@michau.name> · lists_at_michau.name

Hello!

Mike Naberezny wrote:

> This should not be overlooked.  This small, plug-in upgrade would allow
> all of a CBM-II machine's 128K+ internal RAM to be used at the same time
> as the I/O devices.  That is very useful.

I am not familiar with the 65816, so I have an obvious question - could
KERNAL routines be called in the 65816 mode? If not, than the
usefullness would be limited (no editor/KERNAL/BASIC calls, probably no
interrupts as well).

Regards,
Michau.