Intrinsic-121 ClearImage

121: ClearImage(Handle, R, G, B);

This clears the image specified by Handle using the specified R,G,B color.  EXPL supports special RGB modes that make them compatible with pervious VGA color palettes and versions of XPL0. (If you are working with the Console (handle=-1), controlling Screen Refresh can speed up this intrinsic. See the Console Refresh section for more information.)