Also, it's pretty easy to make a wire-wrapped ISA-bus card.. I would try to do this. One 22v8 GAL for the address decoder :-) I would make a some kind of FIFO

Also, it's pretty easy to make a wire-wrapped ISA-bus card.. I would try to do this. One 22v8 GAL for the address decoder :-) I would make a some kind of FIFO interface- don't bother with DMA, it's very slow.