Compatibility unit for Turbo Pascal Version 3.00

    UNIT:  TURBO3

    USES:  Provides total backwards compatibility with version 3 .

    DEPENDENCY:  This unit is dependent on the CRT unit.

                                  NOTE
    Information and definitions will not be included here however, they
    can be found in the Turbo Pascal Version 3.00 reference manual.


    PROCEDURES/FUNCTIONS:


      NAME: Kbd
      USE: Returns keystroke with screen echo.
      Similarity: ReadKey

      NAME: CBreak
      USE: Turns on/off Ctrl-Break checking
      Similarity: CheckBreak

      NAME: LongFilePos
      USE: Returns the current file position of a file.

      NAME: LongSeek
      USE: Move the current position of a file to a specified component

      NAME: HighVideo
      USE:  Sets the video attribute to Yellow on Black (Color) or
            White on Black (monochrome)

      NAME: NormVideo
      USE: Same as HighVideo

      NAME: LowVideo
      USE: Sets the attribute to LightGrey on Black

      NAME:  IOResult
      USE:  Returns the result of the last I/O Operation
      Similarity:  IOResult in Version 4 provides different return values.