;
;	SUM INTEGERS USING WHILE LOOP
;	VERSION 0
;
;	REGISTER L IS THE NUMBER N
;	REGISTER C IS THE SUM
;	REGISTER B IS THE COUNTER
;
	ORG	0x0000		;PROGRAM START ADDRESS
;
	MVI	L,5		;N->L TEST VALUE=5. TEST SUM=0+1+2+3+4+5=15
	MVI	C,0		;0->SUM
	MVI	B,0		;0->COUNTER
;
	MOV	A,L		;IF N=0 THEN JUMP DONE
	ORA	A
	JZ	DONE
AGAIN:	INR	B		;COUNTER+1->COUNTER
	MOV	A,C		;SUM+COUNTER->SUM
	ADD	B
	MOV	C,A
	DCR	L		;N-1->N
	JNZ	AGAIN		;LOOP TO AGAIN
;
DONE:	MOV	A,C		;RETRIEVE SUM
	OUT	0xFF		;DISPLAY IN DATA LEDS
	HLT			;HALT
;