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  • JuliaS87 commented on spel3o's instructable How to Build an 8-Bit Computer2 years ago
    How to Build an 8-Bit Computer

    You don't need a new opcode. What you need is a value that represents true and false as 1 and 0. You load that value into the accumulator and subtract 1. Then you do a conditional jump. If the value was 1 (true), the subtraction will cause an overflow and the conditional jump performs. If the value was 0 (false), no overflow and thus no jump occurs.

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