| ;;; 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 |