37 lines
1.1 KiB
ArmAsm
37 lines
1.1 KiB
ArmAsm
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;;; blinky.S --- sample program to blink LED's on M32C simulator
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;;;
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;;; Copyright (C) 2005 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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;;; The GNU simulators are free software; you can redistribute them
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;;; and/or modify them under the terms of the GNU General Public
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;;; License as published by the Free Software Foundation; either
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;;; version 2 of the License, or (at your option) any later version.
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;;;
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;;; The GNU simulators are distributed in the hope that they will be
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;;; useful, but WITHOUT ANY WARRANTY; without even the implied
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;;; warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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;;; PURPOSE. See the 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 the GNU simulators; if not, write to the Free Software
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;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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;;; 02110-1301, USA
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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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