On 7/1/2014 10:39 PM, Mike van Bokhoven wrote:
I don't think the requirement is there yet. 68B09Es are still
available; they're getting a bit more expensive, but you can still pick
them up for under $10 without too much trouble. They don't fail that
often either, failures usually seem to be in the RAM, 6821s, sockets
etc. When you say 'use a small FPGA development board', do you mean to
emulate the entire controller board, or just the CPU? Just curious what
you had in mind.
I have seen the 6809 color computer emulated as well as the SWTP 6800
on a FPGA. The only thing lacking is GOOD I/O for the devices as
most FPGA's have just a SD card interface for I/O.