[Àû¿ë´ë»ó: DOSBox-x]

Some demos or games mistakingly use INT 15h AH=0x86 (WAIT) while leaving the IRQs needed for it masked.

If this option is set (by default), the necessary IRQs will be unmasked when INT 15 AH=0x86 is used so that the game or demo does not hang.
