INT 16 U - PC Tools v8+ CPTASK - GET ??? FLAGS
        AX = FF80h
        BX = 0003h
Return: AX = flags
            bit 10: ???
            bit 13: ???
            bit 14: ???
            bit 15: ???
SeeAlso: AX=FF80h/BX=0004h,AX=FF80h/BX=0006h

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