X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 10 - microsoft mouse driver ega support

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INT 10 - Microsoft Mouse driver EGA support - INTERROGATE DRIVER
        AH = FAh
        BX = 0000h
Return: BX = 0000h if mouse driver not present
        ES:BX -> EGA Register Interface version number, if present:
            byte 0 = major release number
            byte 1 = minor release number
Note:   also present in OS/2 compatibility box

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