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1 | ;;; blinky.S --- sample program to blink LED's on M32C simulator |
2 | ;;; | |
ecd75fc8 | 3 | ;;; Copyright (C) 2005-2014 Free Software Foundation, Inc. |
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4 | ;;; Contributed by Red Hat, Inc. |
5 | ;;; | |
6 | ;;; This file is part of the GNU simulators. | |
7 | ;;; | |
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8 | ;;; This program is free software; you can redistribute it and/or modify |
9 | ;;; it under the terms of the GNU General Public License as published by | |
10 | ;;; the Free Software Foundation; either version 3 of the License, or | |
11 | ;;; (at your option) any later version. | |
d45a4bef | 12 | ;;; |
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13 | ;;; This program is distributed in the hope that it will be useful, |
14 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ;;; GNU General Public License for more details. | |
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17 | ;;; |
18 | ;;; You should have received a copy of the GNU General Public License | |
4744ac1b | 19 | ;;; along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 | |
21 | .text | |
22 | ||
23 | .global _start | |
24 | _start: | |
25 | mov.w #0xe1,a0 | |
26 | top: | |
27 | sub.w #1,r0 | |
28 | mov.b r0h,[a0] | |
29 | ||
30 | mov.w #1000,r1 | |
31 | loop: | |
32 | adjnz.w #-1,r1,loop | |
33 | ||
34 | jmp.w top |