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ISHERCULES()

Syntax:     ISHERCULES()

Returns:    A logical value.
            The value will be (.T.) if a high resolution monochrome
            graphics card has been installed.

Usage:      The function can be used to establish whether an Hercules
            graphics card has been installed in the system and whether
            it is ready to operate, it is useful in the adaptation of an
            application to various video adapters.

Notes:      ISHERCULES() will return a BIOS setting to the calling
            program.

Library:    CT1.LIB


--------------------------------- Example ------------------------------

Examples:   * Consider the video mode.
            IF ISHERCULES()

               DO HERC_PROC

            ELSE
               ...

            ENDIF