NEEDED   pin         $0     line 3008
REMOVED  pin         $9     line 3010
NEEDED   pin         $18    line 3012
NEEDED   pin         $4     line 3013
REMOVED  pin         $3     line 3014
NEEDED   instruction addu   line 3023
NEEDED   keepalive          line 3036
REWRITTEN instruction addu   line 3055
