+void (*gp2x_video_flip)(void);
+void (*gp2x_video_flip2)(void);
+void (*gp2x_video_changemode_ll)(int bpp);
+void (*gp2x_video_setpalette)(int *pal, int len);
+void (*gp2x_video_RGB_setscaling)(int ln_offs, int W, int H);
+void (*gp2x_video_wait_vsync)(void);
+
+void (*gp2x_set_cpuclk)(unsigned int mhz);
+
+void (*set_lcd_custom_rate)(int is_pal);
+void (*unset_lcd_custom_rate)(void);
+void (*set_lcd_gamma)(int g100, int A_SNs_curve);
+
+void (*set_ram_timings)(void);
+void (*unset_ram_timings)(void);
+