.text
.org 	0x20
stev1:	.word	0x00000001
stev2:	.word	0x00000002

.global _start
_start:
	
	adr		r0, stev1
	
	ldrh	r1, [r0]
	ldrh 	r2, [r0, #4]
	
	str		r2, [r0]
	str		r1, [r0, #4]