--- xmil/sound/opmgeng.c	2004/08/01 05:31:31	1.1
+++ xmil/sound/opmgeng.c	2005/02/04 06:42:12	1.3
@@ -1,11 +1,12 @@
 #include	"compiler.h"
+
+#if defined(SUPPORT_TURBOZ) || defined(SUPPORT_OPM)
+
 #include	"sound.h"
 #include	"sndctrl.h"
 
-
 extern	OPMCFG	opmcfg;
 
-
 #define	CALCENV(e, c, s)													\
 	(c)->slot[(s)].freq_cnt += (c)->slot[(s)].freq_inc;						\
 	(c)->slot[(s)].env_cnt += (c)->slot[(s)].env_inc;						\
@@ -131,14 +132,14 @@ void SOUNDCALL opmgen_getpcm(void *hdl, 
 			}
 		}
 		samp_l += opmgen.outdl * opmgen.calcremain;
-//		samp_l >>= 8;
-//		samp_l *= opmcfg.fmvol;
-		samp_l >>= (OPM_OUTSB + FMDIV_BITS + 1 + 0 - FMVOL_SFTBIT - 0);
+		samp_l >>= 8;
+		samp_l *= opmcfg.fmvol;
+		samp_l >>= (OPM_OUTSB + FMDIV_BITS + 1 + 6 - FMVOL_SFTBIT - 8);
 		pcm[0] += samp_l;
 		samp_r += opmgen.outdr * opmgen.calcremain;
-//		samp_r >>= 8;
-//		samp_r *= opmcfg.fmvol;
-		samp_r >>= (OPM_OUTSB + FMDIV_BITS + 1 + 0 - FMVOL_SFTBIT - 0);
+		samp_r >>= 8;
+		samp_r *= opmcfg.fmvol;
+		samp_r >>= (OPM_OUTSB + FMDIV_BITS + 1 + 6 - FMVOL_SFTBIT - 8);
 		pcm[1] += samp_r;
 		opmgen.calcremain -= opmcfg.calc1024;
 		pcm += 2;
@@ -147,3 +148,4 @@ void SOUNDCALL opmgen_getpcm(void *hdl, 
 	(void)hdl;
 }
 
+#endif