Analyze the given program in which the value stored in 1000H is ABH. (i) Write the...
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Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from 100 to 75? ORG 0000H MOV DPTR, #1000H MOV R4,#100 MOV R7,#10H MOV A. #00H MOVC A,@A+DPTR LOOP: SUBB A,R4 DEC R7 JNZ LOOPI JC LOOP2 INC R4 SJMP LOOP LOOP2: MOV 65,#OFFH SJMP Exit LOOP1: MOV 65,R7 Exit: NOP END Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from 100 to 75? ORG 0000H MOV DPTR, #1000H MOV R4,#100 MOV R7,#10H MOV A. #00H MOVC A,@A+DPTR LOOP: SUBB A,R4 DEC R7 JNZ LOOPI JC LOOP2 INC R4 SJMP LOOP LOOP2: MOV 65,#OFFH SJMP Exit LOOP1: MOV 65,R7 Exit: NOP END Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from 100 to 75? ORG 0000H MOV DPTR, #1000H MOV R4,#100 MOV R7,#10H MOV A. #00H MOVC A,@A+DPTR LOOP: SUBB A,R4 DEC R7 JNZ LOOPI JC LOOP2 INC R4 SJMP LOOP LOOP2: MOV 65,#OFFH SJMP Exit LOOP1: MOV 65,R7 Exit: NOP END Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from 100 to 75? ORG 0000H MOV DPTR, #1000H MOV R4,#100 MOV R7,#10H MOV A. #00H MOVC A,@A+DPTR LOOP: SUBB A,R4 DEC R7 JNZ LOOPI JC LOOP2 INC R4 SJMP LOOP LOOP2: MOV 65,#OFFH SJMP Exit LOOP1: MOV 65,R7 Exit: NOP END Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from 100 to 75? ORG 0000H MOV DPTR, #1000H MOV R4,#100 MOV R7,#10H MOV A. #00H MOVC A,@A+DPTR LOOP: SUBB A,R4 DEC R7 JNZ LOOPI JC LOOP2 INC R4 SJMP LOOP LOOP2: MOV 65,#OFFH SJMP Exit LOOP1: MOV 65,R7 Exit: NOP END Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from 100 to 75? ORG 0000H MOV DPTR, #1000H MOV R4,#100 MOV R7,#10H MOV A. #00H MOVC A,@A+DPTR LOOP: SUBB A,R4 DEC R7 JNZ LOOPI JC LOOP2 INC R4 SJMP LOOP LOOP2: MOV 65,#OFFH SJMP Exit LOOP1: MOV 65,R7 Exit: NOP END
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8051 Assembly Instructions MOV This instruction mov... View the full answer
Related Book For
Computer Organization and Design The Hardware Software Interface
ISBN: 978-0124077263
5th edition
Authors: David A. Patterson, John L. Hennessy
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