36 lines
1.0 KiB
ArmAsm
36 lines
1.0 KiB
ArmAsm
;;; blinky.S --- sample program to blink LED's on M32C simulator
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;;;
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;;; Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
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;;; Contributed by Red Hat, Inc.
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;;;
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;;; This file is part of the GNU simulators.
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;;;
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;;; This program is free software; you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or
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;;; (at your option) any later version.
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;;;
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;;; This program is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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.text
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.global _start
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_start:
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mov.w #0xe1,a0
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top:
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sub.w #1,r0
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mov.b r0h,[a0]
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mov.w #1000,r1
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loop:
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adjnz.w #-1,r1,loop
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jmp.w top
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