Examine the following assembly language programme running on an Intel 8051 microcontroller with an 12 MHz...

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Examine the following assembly language programme running on an Intel 8051 microcontroller with an 12 MHz crystal. Given that [R0] = 03 H, [R1] = 04 H and [R2] = 05 H. # 123 2 3 4 5 6 7 8 9 10 11 12 Code MOV A,RO SWAP A MOV RO,A SETB C MOV A,RI RRC A SUBB A,#43 MOV @RO,A MOV A,R2 ANL A, #33 CPL A MOV R2,A i) What are the contents of register R0, R1 and R2 after the instructions above have been executed? (3 marks) (3 marks) ii) What is the content of PSW after line 7 is executed? iii) What is the destination address and its content for the code in line 8? (2 marks) Examine the following assembly language programme running on an Intel 8051 microcontroller with an 12 MHz crystal. Given that [R0] = 03 H, [R1] = 04 H and [R2] = 05 H. # 123 2 3 4 5 6 7 8 9 10 11 12 Code MOV A,RO SWAP A MOV RO,A SETB C MOV A,RI RRC A SUBB A,#43 MOV @RO,A MOV A,R2 ANL A, #33 CPL A MOV R2,A i) What are the contents of register R0, R1 and R2 after the instructions above have been executed? (3 marks) (3 marks) ii) What is the content of PSW after line 7 is executed? iii) What is the destination address and its content for the code in line 8? (2 marks)

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Lets go through the provided assembly language program step by step 1 MOV A R0 Move content of R0 to ... View the full answer