INT 62 u - FGDRIVER v3.03 - "FG_PATTERN" - SPECIFY DISPLAY PATTERN FOR COLOR
        AX = 0072h
        BX = index of pattern to define
        CX = number of predefined display pattern
Notes:  For FGDRIVER v1.10, this function was "FG_NUMLOCK" (see AX=006Ch);
           "FG_PATTERN" was AX=0050h
        When displaying a pixel run map, Fastgraph uses the pattern associated
          with each color index rather than displaying the actual color
        This call has no effect in text and 256-color graphics modes
SeeAlso: AX=0021h,AX=0039h

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