[fpc-pascal]Pascal Tutorial

Jonas Maebe jonas at zeus.rug.ac.be
Mon Jun 10 15:14:14 CEST 2002

On maandag, juni 10, 2002, at 03:16 , Aitor SantamarĂ­a wrote:

> There's nothing that I myself miss on it, except for the ability to 
> create 16-bit realmode DOS code, which seems to be considered beyond 
> any possibility, because of the way pointers are handled (4 bits, 
> always 32-bit offset).

The main problem is that in 16bit mode, only certain registers can be 
used to address memory (bx, si, di, bp, maybe sp too?). Because the code 
generator assumes all registers can be used to access memory, this would 
require a complete rewrite.


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