extern void plus4_stdjoy_joy[]; /* Referred to by joy_static_stddrv[] */
extern void plus4_stdser_ser[];
+void fast (void);
+/* Switch the CPU into double clock mode. */
+
+void slow (void);
+/* Switch the CPU into single clock mode. */
+
+unsigned char isfast (void);
+/* Returns 1 if the CPU is in double clock mode. */
/* End of plus4.h */