CFS2 model tweaking, The difference between FSDS.2 built models and Gmax built models

[simonu]

This is about SCASM source editing
Here is a thing that has got me scratching my head.
I have been asked to work on an FSDS.2 built model, I am trying to use control surface variables to animate cockpit details. Just as in this other thread. But my interpolation to FS user variable offset 0x0312 does not work like it does in a Gmax model.
The DICT section of the two types of model is different.
FSDS.2 models seem to contain reference to variables that are not used at all.
I understand that this is an obscure subject, and I am really posting because I have found that trying to explain a problem to someone else can often help me figure it out myself.

[simonu]

There is a tute about doing the self same thing with BGLC assembler here.
http://www.freeflightdesign.org/tutorials.html