Assume 5 BCD numbers are stored in RAM locations starting at 40H. Write a program to find their sum. The result must be in BCD.

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written 5.7 years ago by

liviavaz • 230

modified 3.5 years ago by

ninadsail • 10

microcontroller and applications

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written 5.7 years ago by

liviavaz • 230

• modified 5.7 years ago

           MOV  R0,  #5D;
           MOV  R1,  #40H;
           CLR       A;
           MOV  R7,  A;
AGAIN:     ADD  A,  @R0;
           DAA
           JNC       NEXT
           INC  R7;
NEXT:      INC R0;
           DJNZ      R2, AGAIN

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