Function cdrom_run_command_run

src/akiko.cpp:1237–1293

}

static void cdrom_run_command_run (void)
{
	int len;

	cdrom_command_length = 0;
	cdrom_command_active = 0;

	memset (cdrom_result_buffer, 0, sizeof (cdrom_result_buffer));

	if (cdrom_checksum_error || cdrom_unknown_command) {
		cdrom_result_buffer[0] = (cdrom_command & 0xf0) | 5;
		if (cdrom_checksum_error)
			cdrom_result_buffer[1] |= CH_ERR_CHECKSUM | cdrom_door;
		else if (cdrom_unknown_command)
			cdrom_result_buffer[1] |= CH_ERR_BADCOMMAND | cdrom_door;
		len = 2;
		cdrom_start_return_data (len);
		return;
	}

	switch (cdrom_command & 0x0f)
	{
	case 0:
		len = 1;
		cdrom_result_buffer[0] = cdrom_command;
		break;
	case 1:
		len = cdrom_command_stop ();
		break;
	case 2:
		len = cdrom_command_pause ();
		break;
	case 3:
		len = cdrom_command_unpause ();
		break;
	case 4:
		len = cdrom_command_multi ();
		break;
	case 5:
		len = cdrom_command_led ();
		break;
	case 6:
		len = cdrom_command_subq ();
		break;
	case 7:
		len = cdrom_command_status ();
		break;
	default:
		len = 0;
		break;
	}
	if (len == 0) {
		set_status(CDINTERRUPT_DRIVEXMIT);
		return;
	}
	cdrom_start_return_data (len);
}