gps/GPSResources/tcpmp/common/cpu/sh3.asm

70 lines
1.6 KiB
NASM
Executable File

;*****************************************************************************
;*
;* 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 2 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, write to the Free Software
;* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
;*
;* $Id: sh3.asm 271 2005-08-09 08:31:35Z picard $
;*
;* The Core Pocket Media Player
;* Copyright (c) 2004-2005 Gabor Kovacs
;*
;*****************************************************************************
.section .text, code, align=4
.export `_CPUSpeedClk`
.macro Speed10
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
add.l #1,r1
.endm
.align 4
_CPUSpeedClk: .entry
.prolog
mov.b #104,r0
mul.l r0,r5
loopn:
Speed10
Speed10
Speed10
Speed10
Speed10
Speed10
Speed10
Speed10
Speed10
Speed10
dt r5
bf loopn
sts macl,r0
mov.l r0,@r4
mov.b #0,r0
mov.l r0,@(4,r4)
rts
mov.l r4,r0
.endf
.end