[fpc-pascal] variable declarations with 'absolute' syntax

[Marco van de Voort]

In our previous episode, Tomas Hajny said:
> >> There's a lot of use in embedded targets:
> >
> > Ah, thank you. Finally an answer I can understand. :)
> 
> The case of MS-DOS using it e.g. to provide direct access to the video
> adapter memory ($B800:0000), low-level information maintained by BIOS
> ($40:xxx), etc., as already mentioned by someone else (Marco?) is in
> principle the same as use cases relevant for embedded targets.

Yes, but I thought it was square brackets, not parentheses. Address is
linearized using seg*16+ofs and addressed via %fs (for go32v2, for i8086 it
probably is used as is)