ref: dcd9c222aa65d71e3f8a8a49edaa6e29ff6dcb3f
dir: /sys/src/games/gb/fns.h/
u8int memread(u16int); void memwrite(u16int, u8int); int step(void); void ppustep(void); void disasm(u16int); void interrupt(u8int); void message(char *, ...); void flushram(void); void savestate(char *); void loadstate(char *); void initaudio(void);