crocods-core/emu2149.h at master · redbug26/crocods-core · GitHub

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#include "crocods.h"

#ifndef _EMU2149_H_
#define _EMU2149_H_

#ifdef EMU2149_DLL_EXPORTS
#define EMU2149_API __declspec(dllexport)
#elif  EMU2149_DLL_IMPORTS
#define EMU2149_API __declspec(dllimport)
#else
#define EMU2149_API
#endif

#define EMU2149_VOL_DEFAULT 1
#define EMU2149_VOL_YM2149 0
#define EMU2149_VOL_AY_3_8910 1

#define PSG_MASK_CH(x) (1<<(x))

#ifdef __cplusplus
extern "C"
{
#endif

    typedef unsigned int e_uint;
    typedef signed int e_int;

    typedef unsigned char e_uint8 ;
    typedef signed char e_int8 ;

    typedef unsigned short e_uint16 ;
    typedef signed short e_int16 ;

    typedef unsigned int e_uint32 ;
    typedef signed int e_int32 ;

#pragma pack(1)
    typedef struct __PSG
    {

        /* Volume Table */
        unsigned char *voltbl;

        unsigned char reg[0x20];
        unsigned char out[3];

        unsigned int clk, rate, base_incr, quality;

        unsigned int count[3];
        unsigned int volume[3];
        unsigned int freq[3];
        unsigned int edge[3];
        unsigned int tmask[3];
        unsigned int nmask[3];
        unsigned int mask;

        unsigned int base_count;

        unsigned int env_volume;
        unsigned int env_ptr;
        unsigned int env_face;

        unsigned int env_continue;
        unsigned int env_attack;
        unsigned int env_alternate;
        unsigned int env_hold;
        unsigned int env_pause;
        unsigned int env_reset;

        unsigned int env_freq;
        unsigned int env_count;

        unsigned int noise_seed;
        unsigned int noise_count;
        unsigned int noise_freq;

        /* rate converter */
        unsigned int realstep;
        unsigned int psgtime;
        unsigned int psgstep;

        /* I/O Ctrl */
        unsigned int adr;

        unsigned int control;
        unsigned int reg_select;
    }
    PSG;

    EMU2149_API void PSG_set_quality (PSG * psg, unsigned int q);
    EMU2149_API void PSG_set_rate (PSG * psg, unsigned int r);
    EMU2149_API PSG *PSG_new (unsigned int clk, unsigned int rate);
    EMU2149_API void PSG_reset (PSG *);
    EMU2149_API void PSG_delete (PSG *);
    EMU2149_API void PSG_writeIO (PSG * psg, unsigned int adr, unsigned int val);
    EMU2149_API unsigned char PSG_readReg (PSG * psg, unsigned int reg);
    EMU2149_API unsigned char PSG_readIO (PSG * psg);
    EMU2149_API void PSG_setVolumeMode (PSG * psg, int type);
    EMU2149_API unsigned int PSG_setMask (PSG *, unsigned int mask);
    EMU2149_API unsigned int PSG_toggleMask (PSG *, unsigned int mask);

    EMU2149_API void PSG_calc (PSG * psg, e_uint8 *out0, e_uint8 *out1, e_uint8 *out2);
    EMU2149_API void PSG_writeReg (PSG * psg, e_uint32 reg, e_uint32 val);

#ifdef __cplusplus
}
#endif

#endif