SixtyPical/eg/rudiments/cmp-byte.60p

// Should print ENGGL

byte b

define chrout routine
  inputs a
  trashes a
  @ 65490

define main routine
  outputs b
  trashes a, x, y, z, n, c, v
{
    ld a, 40
    st a, b

    cmp a, b
    if z {
        ld a, 69  // E
        call chrout
    } else {
        ld a, 78  // N
        call chrout
    }

    ld a, 41
    st a, b
    ld a, 40

    cmp a, b
    if z {
        ld a, 69  // E
        call chrout
    } else {
        ld a, 78  // N
        call chrout
    }

    ld a, 20
    st a, b

    ld a, 21

    cmp a, b      // 21 >= 20
    if c {
        ld a, 71  // G
        call chrout
    } else {
        ld a, 76  // L
        call chrout
    }

    ld a, 20

    cmp a, b      // 20 >= 21
    if c {
        ld a, 71  // G
        call chrout
    } else {
        ld a, 76  // L
        call chrout
    }

    ld a, 19

    cmp a, b      // 19 < 21
    if c {
        ld a, 71  // G
        call chrout
    } else {
        ld a, 76  // L
        call chrout
    }
}