REMOVED  pin         $17    line 2415
NEEDED   pin         $19    line 2417
NEEDED   pin         $20    line 2418
REMOVED  pin         $4     line 2419
NEEDED   pin         $21    line 2420
NEEDED   instruction addu   line 2445
NEEDED   pin         $3     line 2469
REMOVED  barrier            line 2470
NEEDED   instruction addu   line 2472
NEEDED   keepalive          line 2493
