[fpc-pascal]parameter is 0x0 on callback

Peter Vreman peter at freepascal.org
Fri Jun 4 17:54:44 CEST 2004

>> 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

> 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.

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