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1. a) For the following Wimp51/8051 ASM code sequence, fill in the Program Counter (PC) values, Hex and decode each instruction into Binary. You will
1. a) For the following Wimp51/8051 ASM code sequence, fill in the Program Counter (PC) values, Hex and decode each instruction into Binary. You will need the instruction set sheet provided in the Lab #3 manual or your lecture notes. Then, write down the final value in the Accumulator (A) after the program finish executing. (10 points) PC Instruction MOV A, # 8B MOV R4,A MOV A, #24h SWAP A CLR C ADDC A, #0FFh JZ STOP: SJMP HERE: XRL A, R4 Hex Binary 00h HERE: STOP The final value in the accumulator is b) During the fetch state in Wimp51, the PSEN signal is set to 0 but during the decode state, only some instructions cause the PSEN signal to be 0. Which of these instructions will cause PSEN signal to be 0 during decode state? A) MOV A,#30h B) SWAP A C) SJMP HERE 1. a) For the following Wimp51/8051 ASM code sequence, fill in the Program Counter (PC) values, Hex and decode each instruction into Binary. You will need the instruction set sheet provided in the Lab #3 manual or your lecture notes. Then, write down the final value in the Accumulator (A) after the program finish executing. (10 points) PC Instruction MOV A, # 8B MOV R4,A MOV A, #24h SWAP A CLR C ADDC A, #0FFh JZ STOP: SJMP HERE: XRL A, R4 Hex Binary 00h HERE: STOP The final value in the accumulator is b) During the fetch state in Wimp51, the PSEN signal is set to 0 but during the decode state, only some instructions cause the PSEN signal to be 0. Which of these instructions will cause PSEN signal to be 0 during decode state? A) MOV A,#30h B) SWAP A C) SJMP HERE
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