RE: How (does?) SuperCPU 64 control CPU port?

From: Raj Wurttemberg <*rajaw_at_c64.us*> Date: Mon, 24 Apr 2023 19:06:11 -0400 Message-ID: <000001d97701$5eb45710$1c1d0530$_at_c64.us> · rajaw_at_c64.us

That pretty cool Jim! Is there anything I can get you from my Turbo Master CPU?

I don't know anything about decoding PALs.

That "Master Adapter" is a wonky bit of kit... Bodge wires and a chip glued to the board. 😊

/Raj W.

> -----Original Message-----
> From: Jim Brain <brain_at_jbrain.com>
> Sent: Monday, April 24, 2023 2:35 PM
> To: cbm-hackers_at_musoftware.de
> Subject: Re: How (does?) SuperCPU 64 control CPU port?
> 
> On 4/23/2023 11:44 AM, Raj Wurttemberg wrote:
> > Another interesting CPU replacement cartridge to look at is the "Turbo
> > Master CPU" from Schnedler Systems. I have one of these and absolutely
> > love it.  It replaces the C64's internal CPU and RAM with an external
> > 65c02 and RAM running at 4.09 MHz.
> >
> > If you need a picture of the inside of it, let me know. Mine also has
> > JiffyDOS installed.
> 
> I have reverse engineered the PCB, and I have 2 of the 4 PALs decoded, 3
> of the 4 have files, and I just need help with the 4th registered PAL to
> complete.  I also have a reverse engineered PCB of the Master Adapter.
> 
> Jim
> 