--- src/sound/iremga20.c.orig	2004-12-12 02:09:57.905605648 -0800
+++ src/sound/iremga20.c	2004-12-12 02:35:50.591561504 -0800
@@ -74,7 +74,8 @@
 void IremGA20_update( int param, INT16 **buffer, int length )
 {
 	unsigned long rate[4], pos[4], end[4], vol[4], play[4];
-	int edi, ebp, esi, eax, ebx, ecx, edx;
+	unsigned long edi, ebp, esi;
+	int eax, ebx, ecx, edx;
 
 	if (!Machine->sample_rate) return;
 
@@ -89,9 +90,9 @@
 	}
 
 	ecx = length << 1;
-	esi = (int)IremGA20_chip.rom;
-	edi = (int)buffer[0];
-	ebp = (int)buffer[1];
+	esi = (unsigned long)IremGA20_chip.rom;
+	edi = (unsigned long)buffer[0];
+	ebp = (unsigned long)buffer[1];
 	edi += ecx;
 	ebp += ecx;
 	ecx = -ecx;