INT 33 U - TRUEDOX Model 300M MOUSE.COM v4.01 - GET/SET ???
        AX = 006Ch
        BX = IRQ??? (0003h or 0004h), or 0000h to get current values only
        CL = ???
        DX = ???
Return: BX = current or new ???
        DX = ???
Note:   this is the mouse driver for the Dell Dimension series of computers, by
          TRUEDOX Technology Corporation
SeeAlso: AX=00A1h,AX=0666h

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