Schematic z80 1-Bit ALU cell but it's op amps._2021-11-03.pdf

here's a bunch of actual schematics that I drew up to explain the components of my final build.

Adobe Portable Document Format - 237.37 kB - 11/09/2021 at 15:46

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Z80 1-Bit ALU cell (based on ken shirrif's blog - unmodified).circ

Here's the reverse engineered 1-bit ALU calcuation Cell design taken from Kens blog.

circ - 9.93 kB - 11/09/2021 at 18:24

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Z80 1-Bit ALU cell (based on ken shirrif's blog - modified).circ

here is a logic diagram of the final project ALU

circ - 9.96 kB - 11/09/2021 at 15:44

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1 BIT ALU WITH DECODE LOGIC.circ

Here's a logism mock up of the ALU and its decode -- I ended up not going with this as it became clear I was going a different direction with the project. Instead i switched to the same configuration used by the Z80.

circ - 18.88 kB - 10/19/2021 at 18:24

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