--- a/src/aica/aica.c	Mon Jul 14 07:44:42 2008 +0000
+++ b/src/aica/aica.c	Mon Oct 06 01:05:12 2008 +0000
@@ -233,6 +233,8 @@
     case AICA_IRQCLEAR:
         aica_clear_event();
         break;
+    case AICA_FIFOIN: /* Read-only */
+        break;
     default:
         MMIO_WRITE( AICA2, reg, val );
         break;