#define BTNM_D (1 << 1)
#define BTNM_U (1 << 0)
-int get_input(void);
+short get_input(void);
+short get_line(void);
void write_and_read1(unsigned int a, unsigned short d, void *dst);
void move_sr(unsigned short sr);
short move_sr_and_read(unsigned short sr, unsigned int a);
void test_h_v_2(void);
void test_ym_stopped_tick(void);
short test_ym_ab_sync(void);
+short test_ym_ab_sync2(void);
extern const char test_hint[];
extern const char test_hint_end[];