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54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
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/*
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**
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** software implementation of Yamaha FM sound generator (YM2612/YM3438)
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**
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** Original code (MAME fm.c)
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**
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** Copyright (C) 2001, 2002, 2003 Jarek Burczynski (bujar at mame dot net)
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** Copyright (C) 1998 Tatsuyuki Satoh , MultiArcadeMachineEmulator development
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**
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** Version 1.4 (final beta)
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**
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** Additional code & fixes by Eke-Eke for Genesis Plus GX
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** Adaptations by Jean Pierre Cimalando for use in libOPNMIDI.
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** (based on fee2bc8 dated Jan 7th, 2018)
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**
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*/
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#ifndef _H_YM2612_
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#define _H_YM2612_
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#if defined(__cplusplus)
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extern "C" {
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#endif
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enum {
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YM2612_DISCRETE = 0,
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YM2612_INTEGRATED,
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YM2612_ENHANCED
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};
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struct YM2612GX;
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typedef struct YM2612GX YM2612GX;
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/* typedef signed int FMSAMPLE; */
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typedef signed short FMSAMPLE;
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extern YM2612GX *YM2612GXAlloc();
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extern void YM2612GXFree(YM2612GX *ym2612);
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extern void YM2612GXInit(YM2612GX *ym2612);
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extern void YM2612GXConfig(YM2612GX *ym2612, int type);
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extern void YM2612GXResetChip(YM2612GX *ym2612);
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extern void YM2612GXPreGenerate(YM2612GX *ym2612);
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extern void YM2612GXPostGenerate(YM2612GX *ym2612, unsigned int count);
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extern void YM2612GXGenerateOneNative(YM2612GX *ym2612, FMSAMPLE *frame);
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extern void YM2612GXWrite(YM2612GX *ym2612, unsigned int a, unsigned int v);
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extern void YM2612GXWritePan(YM2612GX *chip, int c, unsigned char v);
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extern unsigned int YM2612GXRead(YM2612GX *ym2612);
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#if defined(__cplusplus)
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} /* extern "C" */
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#endif
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#endif /* _YM2612_ */
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