35 lines
1019 B
ArmAsm
35 lines
1019 B
ArmAsm
;;; blinky.S --- sample program to blink LED's on M32C simulator
|
|
;;;
|
|
;;; Copyright (C) 2005, 2007, 2008 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
|