void emu_init(void *map_bottom);
void *emu_mmap_dev(unsigned int length, int prot, int flags, unsigned int offset);
+int emu_read_gpiodev(void *buf, int count);
+
+void *host_video_init(int *stride);
+void *host_video_flip(void);
+int host_read_btns(void);
+
+enum { GP2X_UP = 0, GP2X_LEFT = 2, GP2X_DOWN = 4, GP2X_RIGHT = 6,
+ GP2X_START = 8, GP2X_SELECT = 9, GP2X_L = 10, GP2X_R = 11,
+ GP2X_A = 12, GP2X_B = 13, GP2X_X = 14, GP2X_Y = 15,
+ GP2X_VOL_UP = 16, GP2X_VOL_DOWN = 17, GP2X_PUSH = 18 };
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))