+/* Return codes for get_ostype */
+#define C64_OS_US 0xAA /* US version */
+#define C64_OS_PET64 0x64 /* PET 64 */
+#define C64_OS_SX64 0x43 /* SX-64 */
+#define C64_EU_NEW 0x03
+#define C64_EU_OLD 0x00
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+unsigned char get_ostype (void);
+/* Get the ROM version. Returns one of the C64_OS_xxx codes. */
+