Re: Hardware emulation of 6509 using 6502?

From: David Holz <david.holz_at_grindwork.com>
Date: Sat, 4 Nov 2017 11:13:22 -0700
Message-ID: <55572197-12bc-c6e3-896d-96f08e809f0d@grindwork.com>
On 11/04/2017 10:37 AM, smf wrote:
> How do you know when writing to an operand, where to write BRK to? The
> only way I can think of would be to set aside another copy of memory
> with offsets to the start of the instruction, as you won't want to
> write BRK to the operand address or it will just execute LDA #$00.
>

Correct.  It's quite memory hungry, but was an interesting software
thought experiment. :-)

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Received on 2017-11-04 19:00:02

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