--- np2/sound/opngenc.c	2003/10/18 07:28:50	1.2
+++ np2/sound/opngenc.c	2003/10/22 14:13:25	1.4
@@ -169,6 +169,18 @@ void opngen_setvol(UINT vol) {
 #endif
 }
 
+void opngen_setVR(BYTE channel, BYTE value) {
+
+	if ((channel & 3) && (value)) {
+		opncfg.vr_en = TRUE;
+		opncfg.vr_l = (channel & 1)?value:0;
+		opncfg.vr_r = (channel & 2)?value:0;
+	}
+	else {
+		opncfg.vr_en = FALSE;
+	}
+}
+
 
 // ----
 
@@ -543,7 +555,9 @@ void opngen_keyon(UINT chnum, BYTE value
 
 	sound_sync();
 	opngen.keyreg[chnum] = value;
+	opngen.playing++;
 	ch = opnch + chnum;
+	ch->playing |= value >> 4;
 	slot = ch->slot;
 	bit = 0x10;
 	for (i=0; i<4; i++) {