| ;;; blinky.s --- sample program to blink LED's on M32C simulator |
| ;;; |
| ;;; Copyright (C) 2005-2016 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 |