write_controller_data
if (!write_controller_data(p, command))
write_controller_data(p, 0xF0) == 0 ||
write_controller_data(p, 0x56) == 0 ||
write_controller_data(p, command) == 0 ||
if (!write_controller_data(p, d))
return write_controller_data(p, c);
int write_controller_data(KBDC kbdc, int c);