TTL Apple 2 computer. ALU and Status

Continuing to document the SAP6502 redesign.

Schematics are available from:
www.github.com/Turing6502/SAP6502

Part 1: Sequencer
TTL Apple 2 computer.  No 6502 required.

Part 2: Program Counter, Registers and Memory
TTL Apple2e Part 2: Memory board and ...

SAP6502:
SAP 6502 Hardware

Microcode:
SAP 6502 Microcode

Introduction to Digital Logic:
Introduction to Digital Logic