--- np2/io/iocore.c	2004/04/04 22:22:26	1.18
+++ np2/io/iocore.c	2005/02/07 14:46:11	1.20
@@ -67,10 +67,12 @@ static	UINT8		ioterminate[0x100];
 
 static void IOOUTCALL defout8(UINT port, REG8 dat) {
 
+#if !defined(DISABLE_SOUND)
 	if ((port & 0xfff0) == cs4231.port) {
 		cs4231io_w8(port, dat);
 		return;
 	}
+#endif
 	if ((port & 0xf0ff) == 0x801e) {
 		dipsw_w8(port, dat);
 		return;
@@ -80,9 +82,11 @@ static void IOOUTCALL defout8(UINT port,
 
 static REG8 IOINPCALL definp8(UINT port) {
 
+#if !defined(DISABLE_SOUND)
 	if ((port & 0xfff0) == cs4231.port) {
 		return(cs4231io_r8(port));
 	}
+#endif
 	if ((port & 0xf0ff) == 0x801e) {
 		return(dipsw_r8(port));
 	}
@@ -359,7 +363,7 @@ const UINT8	*p;
 
 	ZeroMemory(&iocore, sizeof(iocore));
 	ZeroMemory(ioterminate, sizeof(ioterminate));
-	for (i=0; i<(sizeof(termtbl)/sizeof(TERMTBL)); i++) {
+	for (i=0; i<NELEMENTS(termtbl); i++) {
 		p = termtbl[i].item;
 		r = termtbl[i].items;
 		do {
@@ -471,13 +475,13 @@ void iocore_cb(const IOCBFN *cbfn, UINT 
 
 void iocore_reset(void) {
 
-	iocore_cb(resetfn, sizeof(resetfn)/sizeof(IOCBFN));
+	iocore_cb(resetfn, NELEMENTS(resetfn));
 }
 
 void iocore_bind(void) {
 
 	iocore.busclock = pccore.multiple;
-	iocore_cb(bindfn, sizeof(bindfn)/sizeof(IOCBFN));
+	iocore_cb(bindfn, NELEMENTS(bindfn));
 }
 
 void IOOUTCALL iocore_out8(UINT port, REG8 dat) {