diff --git a/cpu/fmem.h b/cpu/fmem.h
index 49bc927..6716ede 100644
--- a/cpu/fmem.h
+++ b/cpu/fmem.h
@@ -5,6 +5,11 @@
 extern "C" {
 #endif
 
+// new functions
+
+extern void memorySetMemory(uint8_t *memory, uint32_t size);
+
+
 /* Memory access functions */
 
 extern UBY memoryReadByte(ULO address);