1 files changed, 7 insertions, 0 deletions
diff --git a/emu/bus.h b/emu/bus.h
index c1866cb..e39caae 100644
--- a/emu/bus.h
+++ b/emu/bus.h
@@ -3,6 +3,10 @@
 
 #include "device.h"
 
+#ifdef WITH_GUI
+#include <SDL.h>
+#endif
+
 enum {
 	MAX_NOF_DEVICES = 5
 };
@@ -24,6 +28,9 @@ void bus_register( bus_t *bus, device_t *device, uint16_t from, uint16_t to );
 
 uint8_t bus_read( void *obj, uint16_t addr );
 void bus_write( void *obj, uint16_t addr, uint8_t data );
+#ifdef WITH_GUI
+void bus_draw( void *obj, SDL_Renderer *renderer );
+#endif
 void bus_deinit( void *obj );
 
 #endif