SixtyPical/eg/rudiments/word-table.60p

// Include `support/${PLATFORM}.60p` before this source
// Should print YY

word one
word table[256] many

define main routine
  inputs one, many
  outputs one, many
  trashes a, x, y, c, n, z
{
    ld x, 0
    ld y, 1
    copy 777, one
    copy one, many + x
    copy 888, one
    copy one, many + y

    ld x, 1
    ld y, 0

    copy many + x, one
    cmp one, 888
    if z {
        ld a, 89
        call chrout
    } else {
        ld a, 78
        call chrout
    }

    copy many + y, one
    cmp one, 777
    if z {
        ld a, 89
        call chrout
    } else {
        ld a, 78
        call chrout
    }
}