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CD FI Microoperation Symbol F2 Microoperation Symbol F3 Symbol 00 01 10 11 Condition Always=1 DR(15) AC(15) AC=0 Symbol U 1 S Z Comments Unconditional
CD FI Microoperation Symbol F2 Microoperation Symbol F3 Symbol 00 01 10 11 Condition Always=1 DR(15) AC(15) AC=0 Symbol U 1 S Z Comments Unconditional branch Indirect address bit Sign bit of AC Zero value in AC 000 001 010 011 NOP ADD CLRAC INCAC DRTAC DRTAR PCTAR WRITE None AC AC + DR AC 0 AC AC + 1 ACDR ARDR(0-10) ARPC M[AR]--DR BR 000 001 010 011 100 101 Symbol Microoperation None AC ACDR ACAC AC shl AC AC-shr AC PC PC + 1 PC+AR Reserved 000 001 010 011 100 101 110 111 Function None AC AC - DR AC AC V DR AC AC ADR DR MAR] DRAC DR DR + 1 DR(0-10) --PC NOP XOR COM SHL SHR INCPC ARTPC NOP SUB OR AND READ ACTDR INCDR PCTDR 100 101 110 111 00 JMP 110 01 CALL 111 CARAD if condition - 1 CAR -CAR + 1 if condition - 0 CAR-AD, SBR --CAR + 1 if condition - 1 CARCAR + 1 if condition - 0 CAR SBR (Return from subroutine) CAR(2-5) --DR(11-14), CAR(0,1,6) 10 11 RET MAP Given the microcode (WRITE, INCDR,INCPC Z JMP NEXT) which is located at address (67)10 Find the binary representation for this microinstruction. Address Microinstruction (binary format)
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