;;; blinky.S --- sample program to blink LED's on M32C simulator ;;; ;;; Copyright (C) 2005 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