main:
	loadi $0 1		;load 1 into r0
	pushi $0 		;push onto stack
	loadi $0 1		;1
	pushi $0
	call &add		; call memory location for tag "add"
	popi $0			;get value from function call "add"
	itos $1 $0		;convert int to string
	puts $1			;print string to stdout
	halt

add:
	popu $0 		; pop unsigned int
	popi $1			; int a
	popi $2			; int b
	addi $3 $2 $1		; a + b
	pushi $3		; push a + b onto stack for return
	return $0 		; actually do the return