h6. [[ColourTrans]] h6(. » [[ColourTrans SWI Calls|SWI Calls]] h6((. » ColourTrans_SetColour h2. ColourTrans_SetColour h5. (SWI &4075E) |_<^{width:3em}. Entry | | |<^. R0|<^. GCOL number | |<^. R3|<^. [[ColourTrans Set Colour Flags|Flags]] | |<^. R4|<^. [[GCOL action]] | |_<^{width:3em}. Exit || |<^. - |<^. All registers preserved| h4. Use This purpose of this call is to change the current plotting colours. h4. Notes GCOL is only of use in 256 colour screen modes. h4. See also * [[ColourTrans_ReturnGCOL]] * [[ColourTrans_SetFontColours]] * [[ColourTrans_SetGCOL]] * [[ColourTrans_SetOppGCOL]] * [[ColourTrans_SetOppTextColour]] * [[ColourTrans_SetTextColour]]