--- a/render.h	Sun Nov 04 11:45:41 2018 -0800
+++ b/render.h	Sun Nov 04 22:51:50 2018 -0800
@@ -68,6 +68,7 @@
 
 #define FRAMEBUFFER_ODD 0
 #define FRAMEBUFFER_EVEN 1
+#define FRAMEBUFFER_USER_START 2
 
 #include "vdp.h"
 
@@ -88,8 +89,11 @@
 
 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b);
 void render_save_screenshot(char *path);
+uint8_t render_create_window(char *caption, uint32_t width, uint32_t height);
 uint32_t *render_get_framebuffer(uint8_t which, int *pitch);
 void render_framebuffer_updated(uint8_t which, int width);
+//returns the framebuffer index associated with the Window that has focus
+uint8_t render_get_active_framebuffer(void);
 void render_init(int width, int height, char * title, uint8_t fullscreen);
 void render_set_video_standard(vid_std std);
 void render_toggle_fullscreen();