EMP[0].x, IN[1].xyyy, SAMP[0], 2D
  1: MOV TEMP[1].x, TEMP[0].xxxx
  2: TEX TEMP[0].x, IN[1].zwww, SAMP[0], 2D
  3: MOV TEMP[1].y, TEMP[0].xxxx
  4: TEX TEMP[0].x, IN[2].xyyy, SAMP[0], 2D
  5: MOV TEMP[1].z, TEMP[0].xxxx
  6: TEX TEMP[0].x, IN[2].zwww, SAMP[0], 2D
  7: MOV TEMP[1].w, TEMP[0].xxxx
  8: TEX TEMP[0].x, IN[0].xyyy, SAMP[0], 2D
  9: ADD TEMP[2], TEMP[0].xxxx, -TEMP[1]
 10: MOV TEMP[0], |TEMP[2]|
 11: SGE TEMP[2], TEMP[0], IMM[0].xxxx
 12: DP4 TEMP[0].x, TEMP[2], IMM[0].zzzz
 13: SEQ TEMP[1].x, TEMP[0].xxxx, IMM[0].yyyy
 14: IF TEMP[1].xxxx :16
 15:   KILL
 16: ENDIF
 17: MOV OUT[0], TEMP[2]
 18: END