1-bit CPU with 4-bit Address
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This is a Javascript model of the 1-bit CPU described in the article at Hack A Day. It is programmed with an example binary counting program that counts from 0 - 7 and displays the results in the opcode registers 0, 2 and 4 (highlighted in red). The top bar represents a display showing the current address and instruction. The grid below is a realtime display of the program memory where you can see the processor writing data and jumping according to the current instruction. |
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| Address | Opcode | Operand A | Operand B |
More information about the 1-bit processor can be found here.
The next step is to build it with a couple of TTL chips and some RAM.