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SDL_mintaudiodma.h

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43 lines (35 loc) · 863 Bytes
 
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/*
* STE/TT 8 bits audio dma registers
*
* Patrice Mandin
*/
#ifndef _SDL_mintdma_h
#define _SDL_mintdma_h
#define DMAAUDIO_IO_BASE (0xffff8900)
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_select; /* CODEC only */
unsigned char mode;
};
#define DMAAUDIO_IO ((*(volatile struct DMAAUDIO_IO_S *)DMAAUDIO_IO_BASE))
#endif /* _SDL_mintdma_h */