start:
 Disk 'SMP\DOOR.SMP'
 Disk 'SMP\EXP.SMP'
 Disk 'SMP\INDIA.SMP'
 Disk 'SMP\VISTA.SMP'
skip:
 Load $3000,'D1:DOOR.SMP'
 PlaySMP $3000
 WaitKey
 JMP skip
 dos
end start