Index: kernel/arch/dreamcast/hardware/sq.c
===================================================================
--- kernel/arch/dreamcast/hardware/sq.c	(revision 103)
+++ kernel/arch/dreamcast/hardware/sq.c	(working copy)
@@ -52,6 +52,7 @@
 	/* fill/write queues as many times necessary */
 	n>>=5;
 	while(n--) {
+		asm("pref @%0" : : "r" (s + 8)); /* prefetch 32 bytes for next loop */
 		d[0] = *(s++);
 		d[1] = *(s++);
 		d[2] = *(s++);