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Annotation of hatari/src/includes/psg.h, revision 1.1.1.1

1.1       root        1: /*
                      2:   Hatari
                      3: */
                      4: 
                      5: enum {
                      6:   PSG_REG_CHANNEL_A_FINE,     // 0x0000
                      7:   PSG_REG_CHANNEL_A_COARSE,   // 0x0001
                      8:   PSG_REG_CHANNEL_B_FINE,     // 0x0010
                      9:   PSG_REG_CHANNEL_B_COARSE,   // 0x0011
                     10:   PSG_REG_CHANNEL_C_FINE,     // 0x0100
                     11:   PSG_REG_CHANNEL_C_COARSE,   // 0x0101
                     12:   PSG_REG_NOISE_GENERATOR,    // 0x0110
                     13:   PSG_REG_MIXER_CONTROL,      // 0x0111
                     14:   PSG_REG_CHANNEL_A_AMP,      // 0x1000
                     15:   PSG_REG_CHANNEL_B_AMP,      // 0x1001
                     16:   PSG_REG_CHANNEL_C_AMP,      // 0x1010
                     17:   PSG_REG_ENV_FINE,           // 0x1011
                     18:   PSG_REG_ENV_COARSE,         // 0x1100
                     19:   PSG_REG_ENV_SHAPE,          // 0x1101
                     20:   PSG_REG_IO_PORTA,           // 0x1110
                     21:   PSG_REG_IO_PORTB            // 0x1111
                     22: };
                     23: 
                     24: #define NUM_PSG_SOUND_REGISTERS    14  // Number of register, not including IO ports
                     25: 
                     26: extern unsigned char PSGRegisterSelect;
                     27: extern unsigned char PSGRegisters[16];
                     28: 
                     29: extern void PSG_Reset(void);
                     30: extern void PSG_MemorySnapShot_Capture(BOOL bSave);
                     31: extern void PSG_WriteSelectRegister(unsigned short v);
                     32: extern unsigned short PSG_ReadSelectRegister(void);
                     33: extern void PSG_WriteDataRegister(unsigned short v);
                     34: extern unsigned short PSG_ReadDataRegister(void);

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