AMD bit-slice machines

[woodelf]

e.stiebler wrote:

>
> Yup, the FPGAs are also organized by 4 bits, so that's why it would be 
> preferable to use something like that. 20 Bits is bad however, as soon
> as you like to have external memory

Well you can still buy 64k x 1 Drams. :)  
Disc I/O is the problem but if you don't mind wasting cheap IDE dirve space
you can have odd  word sizes.  I don't see where FPGA's have a 4 bit limit?
I am just using 16 bits for now to keep it simple. :)