INT 10 - Tinytalk Personal v1.09f - GET CONFIGURATION INFO
        AH = 38h
Return: ES:DI -> configuration info (see below)
Notes:  Tinytalk is a shareware screen reader by OMS Development/Eric Bohlman
        this call is also used as the installation check by verifying that the
          returned ES:DI points at valid configuration info
SeeAlso: INT 2F/FB00h"AutoBraille"

Format of configuration info:
Offset  Size    Description
 00h  8 BYTEs   signature "TTCONFIG"
 08h    WORD    size of configuration data, not counting signature, this WORD,
                or the following byte
 0Ah    BYTE    ???
 0Bh    ???     configuration data