mitsubishi - Al Kossow's Bitsavers

MITSUBISHI MICROCOMPUTERSMS0740.XXX5 PSINGLE.CHIP a.BIT CMOS MICROCOMPUTERName : Accumulator bit addressingmodeFunction : Specifies bit in. accumulator by3 high-order bits of opcode.Instructions : CLB, SEBExample : Mnemonic Machine codeCLB 5,ABB 16AccumulatorBlt5Memory-Bi;-specification Opcode.. t101111111----IAccumulator I I ° INameFunction: Zero page bit addressingmode: Operation is performed on thebit specified by 3 high-orderbits of opcode, memoryaddress containing this bit isspecified by operand.Instructions : CLB, SEBExample : MnemonicCLB 5~$04Machine codeBF 16 04 16When accumulator bit 5 isclearedBit5Accumulator ..... , ...,,\,'...0.1.' ___......Jump to * -12 addressMemoryWhen accumulator bit 5 is setAccumulator '_......Bit5'Advance to * addressMemory'_1...'____Address ~x~~uted next * - 1 2Bitspecification OpcodeBitspecification+Opcode+1 ° 1 1 01 1 1Operand (F4,.)Address ~~~guted nest **3-24• MITSUBISHI"'ELECTRIC