28 Nov
2007
28 Nov
'07
6:34 a.m.
PISC Pitiful instruction set computer.
:-)
A varient of TOY idea. There are others inlcusing a
4bitter.
This is totally doable. I once took a computer hardware design course
where our term project was to design and build a small 4-bit computer -
CPU (we were allowed an ALU chip), RAM (we used a "register file" -
just RAM with 4 bits each of address and data), and very rudimentary
I/O (switches and lights).
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