DOS ain't dead

Dark Debugger (Announce)

posted by CandyMan, 22.10.2018, 18:26

> If DOS is loaded high ( MS-DOS 7.1 ), after launching the debugger the
> system becomes unstable ( reboots when more than one program is started ).
> My guess is the debugger does something silly with the A20 gate.
I uploaded new version. I added also an option of freeing previously allocated of memory.
An only bug I found which is using the 16-bit LGDT/LIDT instruction (the computer could reboot when the debugger was loaded above 16MB).

Complete thread:

• Dark Debugger - CandyMan, 15.10.2018, 22:07 (Announce)
  • Dark Debugger - RayeR, 16.10.2018, 06:12
    • Dark Debugger - CandyMan, 16.10.2018, 09:30
      • Dark Debugger - RayeR, 18.10.2018, 03:54
    • Dark Debugger - Japheth, 16.10.2018, 10:48
      • Dark Debugger - CandyMan, 17.10.2018, 18:16
        • Dark Debugger - Japheth, 18.10.2018, 11:16
          • Dark Debugger - CandyMan, 18.10.2018, 17:02
            • Dark Debugger - Japheth, 18.10.2018, 19:17
              • Dark Debugger - CandyMan, 22.10.2018, 18:26
                • Dark Debugger - Japheth, 23.10.2018, 15:59
                  • Dark Debugger - CandyMan, 23.10.2018, 19:37