NandOnly.hdl

// nand2tetris 「コンピュータシステムの理論と実装」
// 01のNandだけで論理素子を作る

CHIP And {
    IN a, b;
    OUT out;

    PARTS:
    // Put your code here:
    Nand (a=a, b=b, out=c0);
    Nand (a=c0,b=c0, out=out);
}

CHIP Not {
    IN in;
    OUT out;

    PARTS:
    // Put your code here:
    Nand (a=in, b=in, out=out);
}

CHIP Or {
    IN a, b;
    OUT out;

    PARTS:
    // Put your code here:
    Nand (a=a, b=a, out=nota);
    Nand (a=b, b=b, out=notb);
    Nand (a=nota, b=notb, out=out);
}