VERT
DCL IN[0]
DCL OUT[0], POSITION
DCL CONST[0..3]
DCL TEMP[0], LOCAL
  0: MUL TEMP[0], CONST[0], IN[0].xxxx
  1: MAD TEMP[0], CONST[1], IN[0].yyyy, TEMP[0]
  2: ADD TEMP[0], TEMP[0], CONST[3]
  3: MOV OUT[0], TEMP[0]
  4: END