AREA     PROG3_1, CODE, READONLY                             
	ENTRY                   

	LDR    R1, =1000000000		
	LDR    R2, =2000000000		
	LDR    R3, =3000000000		
	LDR    R4, =4000000000		
	LDR    R5, =4100000000		

	MOV	R8,#0		; R8 = 0 for saving the lower word
	MOV	R9,#0		; R9 = 0 for accumulating the carries

	ADDS	R8,R8,R1	; R8 = R8 + R1
	ADC	R9,R9,#0 	; R9 = R9 + 0 + Carry (increment R9 if there is carry)
	ADDS	R8,R8,R2	; R8 = R8 + R2
	ADC	R9,R9,#0	; R9 = R9 + 0 + Carry 
	ADDS	R8,R8,R3	; R8 = R8 + R3
	ADC	R9,R9,#0	; R9 = R9 + 0 + Carry 
	ADDS	R8,R8,R4	; R8 = R8 + R4
	ADC	R9,R9,#0	; R9 = R9 + 0 + Carry
	ADDS	R8,R8,R5	; R8 = R8 + R5
	ADC	R9,R9,#0	; R9 = R9 + 0 + Carry 
HERE	B	HERE
	END		; Mark end of file