MOV             R0, #10		; n=10   (in R0)
                MOV             R1, #0		; sum=0  (in R1)
                MOV             R2, #1		; curr=1 (in R2)
LOOP
                CMP             R2, R0		; curr ? n
                BGT             DONE		; done if curr > n
                ADD             R1, R1, R2	; update sum
                ADD             R2, R2, #1	; increase curr
                BAL             LOOP		; go to beginning of loop
DONE