day49 ARM

.text
.globl _start
_start:
	mov r1,#1
	mov r2,#0
	mov r3,#100
fun2:
	cmp r2,r3
	bcc fun1
stop:
  	b stop
fun1:	
	ADD r2,r2,r1
	add r4,r4,r2
	b fun2
.end