Source release of Wolfenstein 3D Classic Platinum for iOS, 2.1

2026-03-20 00:49:35 +01:00 · 2012-01-31 17:08:50 -06:00
parent 16304944b4
commit d7fff51d7d
235 changed files with 64191 additions and 1418 deletions
--- a/wolf3d/wolfextractor/adlib/fmopl.h
+++ b/wolf3d/wolfextractor/adlib/fmopl.h
@@ -0,0 +1,134 @@
+/* tab setting : 4
+ *
+ * FM OPL2 synth
+ *
+ * Copyright (C) 1999,2000 Tatsuyuki Satoh , MultiArcadeMachineEmulator development
+ * Modified for Wolfenstein 3D by Steven Fuller
+ * Future Modifications by DarkOne for WolfGL! (wolfgl.narod.ru)
+ */
+#ifndef __FMOPL_H_
+#define __FMOPL_H_
+
+//	Register addresses
+// Operator stuff
+#define	alChar		0x20
+#define	alScale		0x40
+#define	alAttack	0x60
+#define	alSus			0x80
+#define	alWave		0xe0
+// Channel stuff
+#define	alFreqL		0xa0
+#define	alFreqH		0xb0
+#define	alFeedCon	0xc0
+// Global stuff
+#define	alEffects	0xbd
+
+#define OPL_OUTPUT_BIT 16
+
+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   */
+
+#if (OPL_OUTPUT_BIT==16)
+typedef INT16 OPLSAMPLE;
+#endif
+#if (OPL_OUTPUT_BIT==8)
+typedef unsigned char  OPLSAMPLE;
+#endif
+
+/* ---------- 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                    */
+	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     */
+	/* Rythm sention */
+	UINT8 rythm;				/* Rythm mode , key flag */
+
+	INT32 AR_TABLE[75];			/* attack 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 0
+
+FM_OPL *OPLCreate(int type, int clock, int rate);
+void OPLDestroy(FM_OPL *OPL);
+
+void OPLResetChip(FM_OPL *OPL);
+void OPLWrite(FM_OPL *OPL,int a,int v);
+unsigned char OPLRead(FM_OPL *OPL,int a);
+
+void YM3812UpdateOne(FM_OPL *OPL, void *buffer, int length);
+
+#endif /* __FMPOL_H */
+/* end of file */
+
+
+