INT 14 - FOSSIL - RETURN INFORMATION ABOUT THE DRIVER
        AH = 1Bh
        DX = port number
        CX = size of user buffer
        ES:DI -> user buffer for driver info (see below)
Return: AX = number of characters transferred
        CX = 3058h ("0X") (X00 FOSSIL only)
        DX = 2030h (" 0") (X00 FOSSIL only)

Format of driver info:
Offset  Size    Description
 00h    WORD    size of structure in bytes
 02h    BYTE    FOSSIL spec driver conforms to
 03h    BYTE    revision level of this specific driver
 04h    DWORD   pointer to ASCIZ identification string
 08h    WORD    size of the input buffer
 0Ah    WORD    number of bytes left in buffer
 0Ch    WORD    size of the output buffer
 0Eh    WORD    number of bytes left in buffer
 10h    BYTE    width of screen
 11h    BYTE    length of screen
 12h    BYTE    actual baud rate, computer to modem

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