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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include "buffer.h"
#ifdef SIMULATOR
unsigned char audiobuffer[(MEM*1024-256)*1024];
unsigned char *audiobufend = audiobuffer + sizeof(audiobuffer);
#else
/* defined in linker script */
extern unsigned char audiobuffer[];
#endif
unsigned char *audiobuf;
void buffer_init(void)
{
/* 32-bit aligned */
audiobuf = (void *)(((unsigned long)audiobuffer + 3) & ~3);
}
void *buffer_alloc(size_t size)
{
void *retval = audiobuf;
audiobuf += size;
/* 32-bit aligned */
audiobuf = (void *)(((unsigned long)audiobuf + 3) & ~3);
return retval;
}
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