diff --git a/BaS_gcc/sys/cache.c b/BaS_gcc/sys/cache.c
index 69326ea..15810a7 100644
--- a/BaS_gcc/sys/cache.c
+++ b/BaS_gcc/sys/cache.c
@@ -44,24 +44,24 @@ uint32_t cacr_get(void)
 
 void flush_and_invalidate_caches(void)
 {
-	__asm__ (
-	"	clr.l		d0\n\t"
-	"	clr.l		d1\n\t"
-	"	move.l		d0,a0\n\t"
-	"cfa_setloop:\n\t"
-	"	cpushl		bc,(a0)				| flush\n\t"
-	"	lea			0x10(a0),a0			| index+1\n\t"
-	"	addq.l		#1,d1				| index+1\n\t"
-	"	cmpi.w		#512,d1				| all sets?\n\t"
-	"	bne.s		cfa_setloop			| no->\n\t"
-	"	clr.l		d1\n\t"
-	"	addq.l		#1,d0\n\t"
-	"	move.l		d0,a0\n\t"
-	"	cmpi.w		#4,d0				| all ways?\n\t"
-	"	bne.s		cfa_setloop			| no->\n\t"
-	/* input */	:
-	/* output */	:
-	/* clobber */	: "d0", "d1", "a0"
+    __asm__ __volatile__(
+            "	clr.l		d0                  \n\t"
+            "	clr.l		d1                  \n\t"
+            "	move.l		d0,a0               \n\t"
+            "cfa_setloop:                       \n\t"
+            "	cpushl		bc,(a0)				| flush\n\t"
+            "	lea			0x10(a0),a0			| index+1\n\t"
+            "	addq.l		#1,d1				| index+1\n\t"
+            "	cmpi.w		#512,d1				| all sets?\n\t"
+            "	bne.s		cfa_setloop			| no->\n\t"
+            "	clr.l		d1                  \n\t"
+            "	addq.l		#1,d0               \n\t"
+            "	move.l		d0,a0               \n\t"
+            "	cmpi.w		#4,d0				| all ways?\n\t"
+            "	bne.s		cfa_setloop			| no->\n\t"
+            /* input */	:
+            /* output */	:
+            /* clobber */	: "d0", "d1", "a0"
 	);
 }