1;;; blinky.S --- sample program to blink LED's on M32C simulator
2;;;
3;;; Copyright (C) 2005, 2007 Free Software Foundation, Inc.
4;;; Contributed by Red Hat, Inc.
5;;;
6;;; This file is part of the GNU simulators.
7;;;
8;;; This program is free software; you can redistribute it and/or modify
9;;; it under the terms of the GNU General Public License as published by
10;;; the Free Software Foundation; either version 3 of the License, or
11;;; (at your option) any later version.
12;;;
13;;; This program is distributed in the hope that it will be useful,
14;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
15;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16;;; GNU General Public License for more details.
17;;;
18;;; You should have received a copy of the GNU General Public License
19;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
20
21	.text
22
23	.global _start
24_start:
25	mov.w	#0xe1,a0
26top:
27	sub.w	#1,r0
28	mov.b	r0h,[a0]
29
30	mov.w	#1000,r1
31loop:
32	adjnz.w	#-1,r1,loop
33
34	jmp.w	top
35