mirror of
https://github.com/ZDoom/ZMusic.git
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99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
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/* SPDX-License-Identifier: MIT */
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/* emu2149.h */
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#ifndef EMU2149_H_
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#define EMU2149_H_
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#include "emutypes.h"
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#define EMU2149_API
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#define EMU2149_VOL_DEFAULT 1
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#define EMU2149_VOL_YM2149 0
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#define EMU2149_VOL_AY_3_8910 1
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#define EMU2149_ZX_STEREO 0x80
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#define PSG_MASK_CH(x) (1<<(x))
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef struct __PSG
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{
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/* Volume Table */
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UINT32 *voltbl;
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UINT8 reg[0x20];
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INT32 out;
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INT32 cout[3];
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UINT32 clk, rate, base_incr, quality;
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UINT32 count[3];
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UINT32 volume[3];
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UINT32 freq[3];
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UINT32 edge[3];
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UINT32 tmask[3];
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UINT32 nmask[3];
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UINT32 mask;
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UINT32 stereo_mask[3];
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UINT32 base_count;
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UINT32 env_volume;
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UINT32 env_ptr;
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UINT32 env_face;
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UINT32 env_continue;
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UINT32 env_attack;
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UINT32 env_alternate;
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UINT32 env_hold;
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UINT32 env_pause;
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UINT32 env_reset;
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UINT32 env_freq;
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UINT32 env_count;
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UINT32 noise_seed;
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UINT32 noise_count;
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UINT32 noise_freq;
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/* rate converter */
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UINT32 realstep;
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UINT32 psgtime;
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UINT32 psgstep;
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INT32 prev, next;
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INT32 sprev[2], snext[2];
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/* I/O Ctrl */
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UINT32 adr;
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}
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PSG;
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EMU2149_API void PSG_set_quality (PSG * psg, UINT32 q);
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EMU2149_API void PSG_set_clock(PSG * psg, UINT32 c);
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EMU2149_API void PSG_set_rate (PSG * psg, UINT32 r);
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EMU2149_API void PSG_init (PSG * psg, UINT32 clk, UINT32 rate);
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EMU2149_API void PSG_reset (PSG *);
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EMU2149_API void PSG_delete (PSG *);
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EMU2149_API void PSG_writeReg (PSG *, UINT32 reg, UINT32 val);
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EMU2149_API void PSG_writeIO (PSG * psg, UINT32 adr, UINT32 val);
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EMU2149_API UINT8 PSG_readReg (PSG * psg, UINT32 reg);
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EMU2149_API UINT8 PSG_readIO (PSG * psg);
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EMU2149_API INT16 PSG_calc (PSG *);
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EMU2149_API void PSG_calc_stereo (PSG * psg, INT32 **out, INT32 samples);
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EMU2149_API void PSG_setFlags (PSG * psg, UINT8 flags);
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EMU2149_API void PSG_setVolumeMode (PSG * psg, int type);
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EMU2149_API UINT32 PSG_setMask (PSG *, UINT32 mask);
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EMU2149_API UINT32 PSG_toggleMask (PSG *, UINT32 mask);
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EMU2149_API void PSG_setStereoMask (PSG *psg, UINT32 mask);
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#ifdef __cplusplus
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}
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#endif
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#endif
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