Re: option ROM into a 3032 - A better test rom for PET?

From: Francesco Messineo <>
Date: Fri, 29 Sep 2017 21:22:57 +0200
Message-ID: <>
On Fri, Sep 29, 2017 at 9:12 PM, André Fachat <> wrote:
> Am 29. September 2017 8:37:30 PM schrieb Francesco Messineo
> <>:
>> well, actually I started some years ago on writing some C64 "dead test"
>> code
>> that I would use in place of the kernel, it didn't rely on any RAM
>> until some part of it were
>> tested good. It would output a 9600 bps serial code using the internal
>> I/O port of the 6510, so that the serial output would appear on a pin
>> of the tape port.
>> Generating code with macros (until you can actually have a stack) was
>> something funny ;-)
> I am actually thinking about a general 6502/6510 plug in board that replaces
> the CPU and has a USB port (e.g. With serial line capability) to communicate
> with a monitoring PC.

that would be great, the equivalent of the famous ICDs like the Flukes.
I wish I could find one of them one day at a reasonable price.

> All necessary info, even a 6502 USB stack is even on my web site, but
> unfortunately my time is limited, so any takers?

I'll have a look at it, I'm curious.


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Received on 2017-09-29 20:03:47

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