[fpc-pascal]parameter is 0x0 on callback

[Peter Vreman]

>> Without a full (short) example we can't do anything.
>
> See below, I've tried to cut down the size without loosing to much
> information this time ...
>
>> > And why it worked fine on the 1.0.10 version of fpc?
>>
>> 1.9.2 uses register calling by default.
>
> I don't get that. Do you say it worked by accident?

Possibly, 1.0.10 uses a different calling convention that looks more like
cdecl.


> The code:
> ------------------------

Sorry, but is still useless because it can't be compiled. Only full
working (easy to build and run) short examples help.

Try to isolate the problem in a smaller program.