Q.1 Write a program to find the sum of the values 79 H, F5 H andE2 H. put the su

Question

Q.1
Write a program to find the sum of the values 79 H, F5 H andE2 H. put the sum in registers R0(low byte) and R5 (high byte) of 8051.
Note: - Please give answer step bystep.
Write a program to find the sum of the values 79 H, F5 H andE2 H. put the sum in registers R0(low byte) and R5 (high byte) of 8051.
Note: - Please give answer step bystep. Write a program to find the sum of the values 79 H, F5 H andE2 H. put the sum in registers R0(low byte) and R5 (high byte) of 8051.
Note: - Please give answer step bystep.

Explanation / Answer

MOV A,#79H         Get thefirst number into A MOV R1,A              Loadthe first number inot reg R1 MOV A,#75H         Getthe second number into A ADD A,R1               Addthe first two number 79 and 75 MOV R1,A             Move the result into reg R1 MOV A,#E2H         Getthe third number into A ADDC A,R1              Addthe result of first two numbers whic is in R1 with the thirdnumber MOV R0 ,A            Movethe result (lower byte ) into Reg R0 MOV A,#00H         Clear theaccumulator ADDC A, #00H       Add the carryand 00H, to the content of the A ( That is get the carry fromthe previous addition) MOV R5,A            Loadthe lower byte of the addition into reg R5 HLT MOV A,#75H         Getthe second number into A ADD A,R1               Addthe first two number 79 and 75 MOV R1,A             Move the result into reg R1 MOV A,#E2H         Getthe third number into A ADDC A,R1              Addthe result of first two numbers whic is in R1 with the thirdnumber MOV R0 ,A            Movethe result (lower byte ) into Reg R0 MOV A,#00H         Clear theaccumulator ADDC A, #00H       Add the carryand 00H, to the content of the A ( That is get the carry fromthe previous addition) MOV R5,A            Loadthe lower byte of the addition into reg R5 HLT MOV A,#E2H         Getthe third number into A ADDC A,R1              Addthe result of first two numbers whic is in R1 with the thirdnumber MOV R0 ,A            Movethe result (lower byte ) into Reg R0 MOV A,#00H         Clear theaccumulator ADDC A, #00H       Add the carryand 00H, to the content of the A ( That is get the carry fromthe previous addition) MOV R5,A            Loadthe lower byte of the addition into reg R5 HLT

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