8085 Programming: 8 BIT MULTIPLICATION: PRODUCT 16-BIT



8085 Programming








       LHLD 2501

       XCHG

       LDA 2503

       LXI H,0000

       MVI C,08



LOOP:     DAD H

       RAL

       JNC AHEAD

       DAD D



AHEAD:  DCR C

       JNZ LOOP

       SHLD 2504

       HLT





LSB OF MULTIPLICAND - 84H, MSB OF MULTIPLICAND - 00H ,MULTIPLIER - 56H





ANSWER

AT ADDRESS 2504 - 58H, LSBs OF PRODUCT

AT ADDRESS 2505 - 2CH, MSB sOF PRODUCT





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