68k homebuilts

[Chuck Guzis]

On 12 Dec 2008 at 10:47, bfranchuk at jetnet.ab.ca wrote:

> Most of the FPGA  designs I have seen are RISC's or some 6502 offshoot.
> I am sticking for now to CPLD's, since you don't have to configure the chip
> like a FPGA, Also a little cheaper if you stick to a bare design like a 
> PDP8.
> Two CPLD's for the data path and 1 CPLD for control.

How about a 20-bit word size, 4 bit opcode, 65KW addressing space, 
simple one-address+accumulator machine?  Enough directly-addressable 
memory to do just about whatever you need to do, simple to implement.

Cheers,
Chuck