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SDL_mintaudio_dma8.h
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2004 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@libsdl.org
*/
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#include "SDL_config.h"
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DMA 8bits and Falcon Codec audio definitions
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Patrice Mandin, Didier Méquignon
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*/
#ifndef _SDL_mintaudio_dma8_h
#define _SDL_mintaudio_dma8_h
#define DMAAUDIO_IO_BASE (0xffff8900)
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struct DMAAUDIO_IO_S
{
unsigned char int_ctrl;
unsigned char control;
unsigned char dummy1;
unsigned char start_high;
unsigned char dummy2;
unsigned char start_mid;
unsigned char dummy3;
unsigned char start_low;
unsigned char dummy4;
unsigned char cur_high;
unsigned char dummy5;
unsigned char cur_mid;
unsigned char dummy6;
unsigned char cur_low;
unsigned char dummy7;
unsigned char end_high;
unsigned char dummy8;
unsigned char end_mid;
unsigned char dummy9;
unsigned char end_low;
unsigned char dummy10[12];
unsigned char track_ctrl; /* CODEC only */
unsigned char sound_ctrl;
unsigned short sound_data;
unsigned short sound_mask;
unsigned char dummy11[10];
unsigned short dev_ctrl;
unsigned short dest_ctrl;
unsigned short sync_div;
unsigned char track_rec;
unsigned char adderin_input;
unsigned char channel_input;
unsigned char channel_amplification;
unsigned char channel_reduction;
unsigned char dummy12[6];
unsigned char data_direction;
unsigned char dummy13;
unsigned char dev_data;
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};
#define DMAAUDIO_IO ((*(volatile struct DMAAUDIO_IO_S *)DMAAUDIO_IO_BASE))
#endif /* _SDL_mintaudio_dma8_h */
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