1 /* 2 ** 3 ** software implementation of Yamaha FM sound generator (YM2612/YM3438) 4 ** 5 ** Original code (MAME fm.c) 6 ** 7 ** Copyright (C) 2001, 2002, 2003 Jarek Burczynski (bujar at mame dot net) 8 ** Copyright (C) 1998 Tatsuyuki Satoh , MultiArcadeMachineEmulator development 9 ** 10 ** Version 1.4 (final beta) 11 ** 12 ** Additional code & fixes by Eke-Eke for Genesis Plus GX 13 ** 14 */ 15 16 extern void MDYM2612Init(void); 17 extern void MDYM2612Exit(void); 18 extern void MDYM2612Config(unsigned char dac_bits); 19 extern void MDYM2612Reset(void); 20 extern void MDYM2612Update(INT16 **buffer, int length); 21 extern void MDYM2612Write(unsigned int a, unsigned int v); 22 extern unsigned int MDYM2612Read(void); 23 extern int MDYM2612LoadContext(); 24 extern int MDYM2612SaveContext(); 25 26 void BurnMD2612UpdateRequest(); 27