[Coco] EPROMS, Flash ROM etc.

[Mark McDougall]

im_coco wrote:

> When I started to think about doing a FDC controller emulator recently I 
> decided that using 29F010 or similar Flash roms would be much easier than
>  building an Eprom programmer. The chips are cheap and trivial to program
> and pin compatible with EPROMS. I built my programmer in one evening
> (including atmel software development) to take INTEL hex files over the
> serial port from the PC. Of course the problem now is that I need some
> glue logic for decoding address lines etc and I've got distracted by
> building a GAL programmer ! Oh well something to keep me occupied.

If you're talking about emulating an FDC in hardware, I may be able to help. 
I've implemented a basic (read-only) version of the WD1771/1793 controller 
in an FPGA to interface to SPI flash.

Regards,

-- 
|              Mark McDougall                | "Electrical Engineers do it
|  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"