(a) WAP to add 10 BCD numbers stored at 51H-60H and save the result i…

Previous year question for Embedded System and Microcontroller.

Question

(a) WAP to add 10 BCD numbers stored at 51H-60H and save the result in RAM memory locations starting at 70H.

(b) Explain following instructions

[1] XCHD A, R1 [2] MOVCA,@A+DPTR

[3] MOV A, 50H [4] MOV R7,#50H [5] MOV 50H,#50H

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