INT 62 u - FGDRIVER v3.03 - "FG_CHGATTR" - APPLY CURRENT TEXT ATTRIB TO CHARS
        AX = 000Bh
        BX = number of characters to recolor
Notes:  For FGDRIVER v1.10, this function was "FG_GETMAXY" (see AX=003Eh);
          "FG_CHGATTR" was AX=0035h
        This call is ignored in graphics modes
        Starting at the current text cursor position, the specified number of
          characters have their attributes to the current text attribute
SeeAlso: AX=000Ch,AX=0030h,AX=008Ah

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