Question

A 8-bit number stored in memory location BABA H. Write an Assembly Language Program to add each bit of the given 8-bit number and store the resect at memory location.

Answer 1

Label	Instruction	Comments
	LDA BABAH	; Load Acc. with content of memory LOC BABAH
	MVI B, 08	; Move data 08H to Reg. B
	MVI C, OOH	; Move data OOH to Reg. C
CYCLE	RRC	; Rotate Acc right
	JNC - SKIP	; if no carry, go to SKIP
	INR C	; Otherwise Increment Reg. C by 1
SKIP	DCR B	; Decrement Reg. B by 1
	JNZ CYCLE	; If B ≠ 0, go to CYCLE
	MOV A, C	; Move Reg. C to Acс
	STA FAFAH	; Store Acc to FAFA H
	HLT	; Stop