DOS ain't dead

User exception handler in C (Developers)

posted by Rugxulo , Usono, 19.08.2020, 19:44

> Better is to use the instruction SMSW which is non-privileged.
>
> function cr0 : longint;assembler;
> asm
> mov eax,0
> smsw ax 
> end;
>

I think you rather meant LMSW here since SMSW only reads from it.

Complete thread:

• User exception handler in C - RayeR, 24.07.2020, 13:15 (Developers)
  • User exception handler in C - Japheth, 24.07.2020, 18:07
  • User exception handler in C - Rugxulo, 24.07.2020, 18:39
  • User exception handler in C - tkchia, 24.07.2020, 20:47
    • User exception handler in C - RayeR, 30.07.2020, 13:18
      • User exception handler in C - tom, 30.07.2020, 23:54
        • User exception handler in C - RayeR, 01.08.2020, 02:13
          • User exception handler in C - Laaca, 16.08.2020, 21:27
            • User exception handler in C - Laaca, 16.08.2020, 22:38
              • User exception handler in C - Rugxulo, 17.08.2020, 22:35
                • User exception handler in C - marcov, 18.08.2020, 12:23
                  • User exception handler in C - Laaca, 18.08.2020, 20:15
                    • User exception handler in C - Rugxulo, 19.08.2020, 19:44
                      • User exception handler in C - Laaca, 19.08.2020, 21:50
                        • User exception handler in C - Rugxulo, 23.08.2020, 17:32
                          • User exception handler in C - Japheth, 23.08.2020, 20:36
            • User exception handler in C - Rugxulo, 17.08.2020, 22:26
            • User exception handler in C - tkchia, 19.08.2020, 18:52
              • User exception handler in C - marcov, 20.08.2020, 00:00
                • User exception handler in C - Laaca, 20.08.2020, 15:31
      • User exception handler in C - tkchia, 31.07.2020, 19:36
        • User exception handler in C - RayeR, 01.08.2020, 02:16
  • User exception handler in C - Guti, 27.07.2020, 08:22