The MiSTer is based on the Terasic DE-10 nano, which is based on a Cyclone
5. The board has 1GB of DDR3 RAM, but most MiSTers are build with an add-on
board containing 32 or 128 (or more) MB of SDRAM so you don't have to deal
with DDR.

-Josh

On Sun, Apr 19, 2020 at 8:34 PM Ken Pettit <petti...@gmail.com> wrote:

> I have most of one.  It has been quite some time since I worked on it,
> but I had it running a modified version of the M100 ROM.
>
> It was working on an Actel FPGA at the time sometime in the 2009 - 2010
> timeframe, but I believe that FPGA is now obsolete.  But it is mostly
> just Verilog / VHDL code that could be ported to any FPGA.
>
> When I say modified ROM, the modifications were because I had extended
> the 8085 CPU with 24- bit registers and relative branches. I had it
> running in simulation a few months back.  From what I recall, I had
> modules for the LCD, keyboard, 80155, etc.
>
> What type of FPGA are you interested in using?  I typically use Xilinx
> these days.
>
> Ken
>
> On 4/19/20 4:28 PM, Sean O'Rourke wrote:
> > I know this is a crazy random question.
> >
> > Not sure if anyone here has an FPGA programming knowledge and who could
> make a core or know someone who could make a core for the 100/102 for the
> MiSTer project. Would be a really awesome option to have an FPGA version of
> the 100.
> >
> > Sean
>
>

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