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;;; blinky.S --- sample program to blink LED's on M32C simulator
;;;
;;; Copyright (C) 2005, 2007 Free Software Foundation, Inc.
;;; Contributed by Red Hat, Inc.
;;;
;;; This file is part of the GNU simulators.
;;;
;;; The GNU simulators are free software; you can redistribute them
;;; and/or modify them under the terms of the GNU General Public
;;; License as published by the Free Software Foundation; either
;;; version 2 of the License, or (at your option) any later version.
;;;
;;; The GNU simulators are distributed in the hope that they 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 the GNU simulators; if not, write to the Free Software
;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
;;; 02110-1301, USA
.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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