--- np2/sound/psggen.h	2003/11/28 21:06:02	1.5
+++ np2/sound/psggen.h	2004/02/03 08:24:40	1.8
@@ -14,7 +14,7 @@ enum {
 typedef struct {
 	SINT32	freq;
 	SINT32	count;
-	BYTE	*pvol;
+	SINT32	*pvol;			// !!
 	UINT16	puchi;
 	BYTE	pan;
 	BYTE	padding;
@@ -47,6 +47,7 @@ typedef struct {
 	BYTE		envmode;
 	BYTE		envvol;
 	char		envvolcnt;
+	SINT32		evol;				// !!
 	UINT		puchicount;
 } _PSGGEN, *PSGGEN;
 
@@ -67,9 +68,10 @@ void psggen_initialize(UINT rate);
 void psggen_setvol(UINT vol);
 
 void psggen_reset(PSGGEN psg);
-void psggen_setreg(PSGGEN psg, BYTE reg, BYTE val);
-BYTE psggen_getreg(PSGGEN psg, BYTE reg);
-void psggen_setpan(PSGGEN psg, UINT ch, BYTE pan);
+void psggen_restore(PSGGEN psg);
+void psggen_setreg(PSGGEN psg, REG8 reg, REG8 val);
+REG8 psggen_getreg(PSGGEN psg, REG8 reg);
+void psggen_setpan(PSGGEN psg, UINT ch, REG8 pan);
 
 void SOUNDCALL psggen_getpcm(PSGGEN psg, SINT32 *pcm, UINT count);