[fpc-pascal]Porting a TP DOS application with ASM module

[Trevor Jenkins]

I have inherited an old MS-DOS application written in Turbo Pascal and
Assembler. Clearly the TP code could be processed by FPC but how do I deal
with the assembler module? This is a separate file and I presume was
written with TASM. Defines lots of external functions/procedures.

However, as part of my inheritance I want now to move this application to
Linux so I will probably have to hack the assembler about. Much of the
assembler code messes with hardware issues such as keybopard interupts and
accessing video memory; neither of which Linux will like me doing. A
similar brief exists to get this code working with Microsoft Windows
NT4/2000 so the rewritten assembler module needs to be re-usable.

The original application was written by someone else and much as I would
not have done it that way it is essential that, at least for a while, I
use as much of the same (TP) code as possible.

Regards, Trevor

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