#6 Dynamic destination display

The destination display on the front of the train should use a font based on the one used on real S7 stock trains. This was started with #5 but many characters are missing and some may not be easy to find on the internet to copy directly so some synthesis may be necessary. doxydoxy's visual line number display mod should be considered but only used if it meets the requirements. I think a simpler system is probably better, since the dot matrix display can only be orange and special formatting like background shapes would not be used. The display would be based on outside text and possibly LN or RC for the top row number - this top number is used for 'train numbers' on the real trains, based on services on a timetable: https://districtdavesforum.co.uk/thread/18601