/2/EQ4.hdl

1CHIP EQ4{
2    IN  a[4], b[4];
3    OUT out;
4
5    PARTS:
6    EQ2(a=a[0..1], b=b[0..1], out=out01);
7    EQ2(a=a[2..3], b=b[2..3], out=out23);
8    And(a=out01, b=out23, out=out);
9}