using an FPGA to emulate a vintage computer
in [FPGA]
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From: Eric Chomko on 8 Feb 2010 12:40 On Feb 5, 2:13 pm, Michael Schwingen <news-1235297...(a)discworld.dascon.de> wrote: > ["Followup-To:" set to comp.arch.fpga.] > > Eric Chomko <pne.cho...(a)comcast.net> wrote: > > Has anyone created a copy machine of an old system using an FPGA? I > > was wondering if it would be possible to take an entire SWTPC 6800 and > > compile the schematics and have it run on an FPGA board.? Wouldn't > > even have to be the latest Xylinx product, I suspect. > > There are several such projects, eg. this Atari ST clone:http://www.experiment-s.de/en/ > > so most systems from the 8-bit era should be no problem at all. > Sehr kewl! Thanks, that's what I was looking for. Eric
From: Eric Chomko on 8 Feb 2010 12:43 On Feb 5, 3:10 pm, james <bu...(a)bud.u> wrote: > On Fri, 5 Feb 2010 10:19:25 -0800 (PST), Eric Chomko > > <pne.cho...(a)comcast.net> wrote: > > |Has anyone created a copy machine of an old system using an FPGA? I > |was wondering if it would be possible to take an entire SWTPC 6800 and > |compile the schematics and have it run on an FPGA board.? Wouldn't > |even have to be the latest Xylinx product, I suspect. > > John Kent has done a lot of work using Xilinx chips and synthesizing a > 6809 version of the SWTPC onto a chip. > > See his webpage here > > http://members.optusnet.com.au/jekent/system09/ > > There is also a yahoo group that is centered around the Tandy CoCO3 on > a Digilent Spartan 3 starter board with the XC3S1000 chip option. The > yahoo group is known as CoCo3fpga I think. > I have a SWTPC 6809. I will look into John Kent's project. Looks like lots of fun. Eric
From: Eric Chomko on 8 Feb 2010 12:46 On Feb 5, 4:57 pm, glen herrmannsfeldt <g...(a)ugcs.caltech.edu> wrote: > In comp.arch.fpga Eric Chomko <pne.cho...(a)comcast.net> wrote: > > > Has anyone created a copy machine of an old system using an FPGA? I > > was wondering if it would be possible to take an entire SWTPC 6800 and > > compile the schematics and have it run on an FPGA board.? Wouldn't > > even have to be the latest Xylinx product, I suspect. > > I haven't done it yet, but I am interested. I have a Digilent > Spartan3E board for that purpose. I think it is big enough for > the whole system for many of those machines. > Yep, that is the idea. I run a small Vintage Computer Club near Greenbelt/College Park, MD and one of the gusy suggested we do such a thing, so we are trying to get ideas. This thread is really good stuff for that purpose. Eric
From: Eric Chomko on 8 Feb 2010 12:52 On Feb 6, 5:23 am, "HT-Lab" <han...(a)ht-lab.com> wrote: > "Mike Treseler" <mtrese...(a)gmail.com> wrote in message > > news:7t3rmlFhriU1(a)mid.individual.net... > > > Eric Chomko wrote: > >> Has anyone created a copy machine of an old system using an FPGA? I > >> was wondering if it would be possible to take an entire SWTPC 6800 and > >> compile the schematics and have it run on an FPGA board.? Wouldn't > >> even have to be the latest Xylinx product, I suspect. > > > No fpga, but same idea: > >http://www.grc.com/pdp-8/pdp-8.htm > > Looking at the PDP8 picture brings back bad memories of me helping to clear out > the computer lab at my old University which was full of PDP8 and PDP11, it all > went into the skip......;-( > Ouch! Heck even the govt. facility's excess warehouse where I work saved back the remaining PDP-11s knowing they had collector value. I believe that they have all been sold off as of about 5 years ago.
From: Eric Chomko on 8 Feb 2010 12:55
On Feb 5, 7:57 pm, Alex Freed <alex_n...(a)mirrow.com> wrote: > Eric Chomko wrote: > > Has anyone created a copy machine of an old system using an FPGA? I > > was wondering if it would be possible to take an entire SWTPC 6800 and > > compile the schematics and have it run on an FPGA board.? Wouldn't > > even have to be the latest Xylinx product, I suspect. > > I did. Some 8 years ago. > > http://alexfreed.com/FPGApple/ > > And then a few other vintage computers. > Very cool. Eric |