+// Input / output functions
+START_EXTERN_C
+uint32 S9xReadJoypad(int which1_0_to_4);
+bool8 S9xReadMousePosition(int which1_0_to_1, int *x, int *y, uint32 *buttons);
+bool8 S9xReadSuperScopePosition(int *x, int *y, uint32 *buttons);
+END_EXTERN_C
+