Question

Write an Assembly Language Program to multiply an 8-bit number stored at 4301H by another 8- bit number stored at 4302H. Store the result at the location 4303H and 4304H beginning with a LOB. (Lower Order Byte)

Answer 1

Label	Mnemonics	Comment
Loop:	LXI H, 0000H LDA 4301H MOV E, A LDA 4302H MVI D, 00H DAD D DCR A JNZ Loop SHLD 4303H RST 1.0	; Set initial product = 0 ; Set [Acc] = N1 ; Set [E] = N1 ; Set [Acc] = N2 ; Set [D] = 00H ; product = product + N1 ; N2 = N2 – 1 ; Repeat, if N2 ≠ 0 ; Store product in 4303H and 4304H ; Restart