DOS ain't dead

Need help with DPMI function 301h (Developers)

posted by marcov, 24.08.2019, 15:53

> It's kind of a bug in FreePascal that the assembler doesn't report an
> error/warning for line "mov edi,r".

Why? It is valid code. It moves the value of variable r into edi. So if it is a local variable or stack param it translates to

mov edi,dword ptr [bp+xx]

if it is a register param, it translates to a register move etc. I'm not sure if it automatically does RIP relative addressing though.

Complete thread:

• Need help with DPMI function 301h - Laaca, 12.08.2019, 22:19 (Developers)
  • Need help with DPMI function 301h - RayeR, 15.08.2019, 03:35
    • Need help with DPMI function 301h - Laaca, 16.08.2019, 08:09
      • Need help with DPMI function 301h - Laaca, 16.08.2019, 08:11
  • Need help with DPMI function 301h - marcov, 17.08.2019, 23:34
  • Need help with DPMI function 301h - Japheth, 18.08.2019, 09:56
    • Need help with DPMI function 301h - Laaca, 18.08.2019, 21:21
      • Need help with DPMI function 301h - Japheth, 20.08.2019, 12:34
        • Need help with DPMI function 301h - Laaca, 22.08.2019, 17:42
          • Need help with DPMI function 301h - Japheth, 23.08.2019, 09:09
            • Need help with DPMI function 301h - marcov, 24.08.2019, 15:53
              • Need help with DPMI function 301h - Japheth, 24.08.2019, 17:52
                • Need help with DPMI function 301h - marcov, 24.08.2019, 18:18
                • Need help with DPMI function 301h - Rugxulo, 30.08.2019, 02:43