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;;; blinky.S --- sample program to blink LED's on M32C simulator
;;;
;;; Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
;;; Contributed by Red Hat, Inc.
;;;
;;; This file is part of the GNU simulators.
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
.text
.global _start
_start:
mov.w #0xe1,a0
top:
sub.w #1,r0
mov.b r0h,[a0]
mov.w #1000,r1
loop:
adjnz.w #-1,r1,loop
jmp.w top
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