; DDTapeRamTrap.mu ; Copyright Xerox Corporation 1979 ; Last modified December 12, 1980 10:44 AM, by Tim Diebert ; Trap handler and dispatcher for instructions that trap into ; the RAM. In the following predefinition, the tags correspond ; to opcodes 60000, 60400, 61000, 61400, ... 77400. ; Note that opcodes 60000, 60400, 61000, 64400, 65000, 67000, and 77400 ; cannot be used since control never gets to the RAM for these). ; 61400 62000 62400 63000 63400 !37,40,TrapDispatch,,,GetFrame,Return,BcplUtility,BlockEq,PupChecksum; ; Control comes here with the instruction LCY 8 in XREG TRAP1: T←37; L←XREG AND T; TrapDispatch: SINK←LREG, BUS, TASK; :TrapDispatch;