I was actually working on a video game for the Atari game console for the upcoming James Bond film Octopussy. I remember going down to Pinewood Studios where the James Bond films are filmed, and sitting in a little cutting room with bits of film all over the floor. We watched the sequence where 007 is on the roof of a train and the bad guys are trying to catch or shoot him, and this is what the game was based on.
I think this is that game. Unfortunatelly it is missing