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Diffstat (limited to 'sim/m32c/blinky.S')
| -rw-r--r-- | sim/m32c/blinky.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sim/m32c/blinky.S b/sim/m32c/blinky.S new file mode 100644 index 0000000..eb0f311 --- /dev/null +++ b/sim/m32c/blinky.S @@ -0,0 +1,36 @@ +;;; 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 |