.text
.org 	0x20
	
stev1: .word	0x01020304
	
.align

.global _start
_start:

	adr		r0, stev1
	
	ldrb	r1, [r0]
	ldrb	r2, [r0, #3]
	strb	r2, [r0]
	strb	r1, [r0, #3]
		
	ldrb	r1, [r0, #1]
	ldrb	r2, [r0, #2]
	strb	r2, [r0, #1]
	strb	r1, [r0, #2]