+++ /dev/null
-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- * Copyright (C) 1999,2000 Tatsuyuki Satoh
- * Copyright (C) 2001,2002 Ben Parnell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-/* This file has been heavily modified from the original(mostly unused
- code was removed). If you want to use it for anything other than
- VRC7 sound emulation, you should get the original from the AdPlug
- source distribution or the MAME(version 0.37b16) source distribution
- (but be careful about the different licenses).
- - Xodnizel
-*/
-
-#ifndef __FMOPL_H_
-#define __FMOPL_H_
-
-/* --- system optimize --- */
-/* select bit size of output : 8 or 16 */
-#define OPL_OUTPUT_BIT 16
-
-/* compiler dependence */
-#ifndef OSD_CPU_H
-#define OSD_CPU_H
-
-typedef unsigned char UINT8; /* unsigned 8bit */
-typedef unsigned short UINT16; /* unsigned 16bit */
-typedef unsigned long UINT32; /* unsigned 32bit */
-typedef signed char INT8; /* signed 8bit */
-typedef signed short INT16; /* signed 16bit */
-typedef signed long INT32; /* signed 32bit */
-#endif
-
-#if (OPL_OUTPUT_BIT==16)
-typedef INT16 OPLSAMPLE;
-#endif
-#if (OPL_OUTPUT_BIT==8)
-typedef unsigned char OPLSAMPLE;
-#endif
-
-
-/* !!!!! here is private section , do not access there member direct !!!!! */
-
-#define OPL_TYPE_WAVESEL 0x01 /* waveform select */
-
-/* Saving is necessary for member of the 'R' mark for suspend/resume */
-/* ---------- OPL one of slot ---------- */
-typedef struct fm_opl_slot {
- INT32 TL; /* total level :TL << 8 */
- INT32 TLL; /* adjusted now TL */
- UINT8 KSR; /* key scale rate :(shift down bit) */
- INT32 *AR; /* attack rate :&AR_TABLE[AR<<2] */
- INT32 *DR; /* decay rate :&DR_TALBE[DR<<2] */
- INT32 SL; /* sustin level :SL_TALBE[SL] */
- INT32 *RR; /* release rate :&DR_TABLE[RR<<2] */
- UINT8 ksl; /* keyscale level :(shift down bits) */
- UINT8 ksr; /* key scale rate :kcode>>KSR */
- UINT32 mul; /* multiple :ML_TABLE[ML] */
- UINT32 Cnt; /* frequency count : */
- UINT32 Incr; /* frequency step : */
- /* envelope generator state */
- UINT8 eg_typ; /* envelope type flag */
- UINT8 evm; /* envelope phase */
- INT32 evc; /* envelope counter */
- INT32 eve; /* envelope counter end point */
- INT32 evs; /* envelope counter step */
- INT32 evsa; /* envelope step for AR :AR[ksr] */
- INT32 evsd; /* envelope step for DR :DR[ksr] */
- INT32 evsr; /* envelope step for RR :RR[ksr] */
- /* LFO */
- UINT8 ams; /* ams flag */
- UINT8 vib; /* vibrate flag */
- /* wave selector */
- INT32 **wavetable;
-}OPL_SLOT;
-
-/* ---------- OPL one of channel ---------- */
-typedef struct fm_opl_channel {
- OPL_SLOT SLOT[2];
- UINT8 CON; /* connection type */
- UINT8 FB; /* feed back :(shift down bit) */
- INT32 *connect1; /* slot1 output pointer */
- INT32 *connect2; /* slot2 output pointer */
- INT32 op1_out[2]; /* slot1 output for selfeedback */
- /* phase generator state */
- UINT32 block_fnum; /* block+fnum : */
- UINT8 kcode; /* key code : KeyScaleCode */
- UINT32 fc; /* Freq. Increment base */
- UINT32 ksl_base; /* KeyScaleLevel Base step */
- UINT8 keyon; /* key on/off flag */
-} OPL_CH;
-
-/* OPL state */
-typedef struct fm_opl_f {
- UINT8 type; /* chip type */
- int clock; /* master clock (Hz) */
- int rate; /* sampling rate (Hz) */
- double freqbase; /* frequency base */
- double TimerBase; /* Timer base time (==sampling time) */
- UINT8 address; /* address register */
- UINT32 mode; /* Reg.08 : CSM , notesel,etc. */
-
- /* FM channel slots */
- OPL_CH *P_CH; /* pointer of CH */
- int max_ch; /* maximum channel */
-
- /* time tables */
- INT32 AR_TABLE[75]; /* atttack rate tables */
- INT32 DR_TABLE[75]; /* decay rate tables */
- UINT32 FN_TABLE[1024]; /* fnumber -> increment counter */
- /* LFO */
- INT32 *ams_table;
- INT32 *vib_table;
- INT32 amsCnt;
- INT32 amsIncr;
- INT32 vibCnt;
- INT32 vibIncr;
- /* wave selector enable flag */
- UINT8 wavesel;
-
-} FM_OPL;
-
-/* ---------- Generic interface section ---------- */
-#define OPL_TYPE_YM3812 (OPL_TYPE_WAVESEL)
-
-FM_OPL *OPLCreate(int type, int clock, int rate);
-void OPLDestroy(FM_OPL *OPL);
-
-void OPLResetChip(FM_OPL *OPL);
-void OPLWrite(FM_OPL *OPL,UINT8 a,UINT8 v);
-
-/* YM3626/YM3812 local section */
-void YM3812UpdateOne(FM_OPL *OPL, UINT32 *buffer, int length);
-
-#endif
notaz.gp2x.de / fceu.git / blobdiff