INT 62 u - FGDRIVER v3.03 - "FG_MEASURE" - GET DELAY UNITS PER CLOCK TICK
        AX = 005Bh
Return: AX = delay units per clock tick (processor-dependent)
Notes:  For FGDRIVER v1.10, this function was "FG_RESTORE" (see AX=0083h);
          "FG_MEASURE" was AX=0098h
        These delay units are used by "FG_STALL" (see AX=009Fh)
SeeAlso: AX=009Fh

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