Out of Memory Borland Turbo Debugger MS-DOS 6.22

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I am trying to debug an MS-DOS 6.22 application using Borland Turbo Debugger 3.1 (Not MS-DOS emulator) but when I try to use File then Open menu item to launch EXE I get Out of Memory error. The executable is 269,029 bytes, but it is packed EXE and unpacks to 449,415 bytes. Turbo Debugger (TD.exe) is 491,808 bytes on disk.

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Mem output shows:

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I have the following set in CONFIG.SYS:

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And the following autoexec.bat config:

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Is there any thing I can do to help TD.exe debug this EXE?

dos debugging
1 Answers

TurboDebugger includes several versions:

  • TD.exe
  • TD286.exe
  • TD386.exe

After removing unnecessary device drivers from CONFIG.SYS and still getting an error with LOADHIGH.exe to launch the debugger I found TD286.exe (Despite being larger on disk at 548,939 bytes) managed to debug the program successfully with no out of memory error; and still correctly displays CPU as 80486.

user_9415480
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