!Commonly Used Externals %externalroutinespec alarm(%integer ticks) %externalroutinespec linkin(%integer ser) %externalintegerfnspec dup addr(%integer seg) %externalintegerfnspec map abs(%integer adr, len, req id) %externalroutinespec map hwr(%integer seg) %externalintegerfnspec get id %externalroutinespec map virt(%integer ser,seg1,seg2) %externalroutinespec set prio(%integer n) %externalroutinespec pon(%record (*) %name p) %externalroutinespec ponoff(%record (*) %name p) %externalroutinespec poff(%record (*) %name p) %endoffile