dsp.h

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#define SB_TRUE     0
#define SB_FALSE    1
 
#define DSP_MIXER_ADDRESS_PORT  0x04
#define DSP_MIXER_DATA_PORT     0x05
#define DSP_RESET_PORT              0x06
#define DSP_READ_DATA_PORT      0x0A
#define DSP_WRITE_PORT              0x0C        //Same port used for reading status and writing data
#define DSP_READ_STATUS_PORT    0x0E
 
typedef unsigned char sb_status;
unsigned short base;
unsigned char irq,dma8,dma16;
unsigned char read_dsp(unsigned short base);
void write_dsp(unsigned short base,unsigned char data);
sb_status detect_dsp(SB16* sb16);
sb_status reset_dsp(unsigned short base_address);