main.s

使用程序烧写FLASH。平台是44B0。开发环境是：ads102

	AREA	main,code,readonly
Main
	ldr r1,=0xaaa8
	ldr r2,=0x5554
	ldr r0,=0xaa
	str	r0,[r1,#2]
	ldr r0,=0x55
	str	r0,[r2]
	ldr r0,=0x80
	str	r0,[r1,#2]
	ldr	r0,=0xaa
	str	r0,[r1,#2]
	ldr	r0,=0x55
	str r0,[r2]
	ldr r0,=0x10
	str r0,[r1,#2]
	ldr r0,[r1,#2]
wait
	ldr	r2,[r1,#2]
	cmp	r0,r2
	beq	exit
	mov r0,r2
	ldr r2,[r1,#2]
	b	wait
exit
	mov r0,r1
	end