First of all: I havenīt really tested it. Iīve just started it (A500) and it seemed to work.
In the early 90s a guy called "badcat" has written a track editor for Lotus Esprit Turbo Challenge. Now itīs online.
Further details are there:
Downloadable at the bottom of the thread:
- manual (German)
- manual (English...worse than mine though
Looks promising. But - as already mentioned - Iīve just startet it, did a few things but did not complete or even save and test a track.
Btw. If this has already been posted before please donīt kill me. Iīve honestly used the button "search".