From: fizzbintuesday@that-google-mail-domain.com   
      
   JJ wrote:   
   > On Sun, 21 Oct 2018 11:31:17 -0400, Tom Del Rosso wrote:   
   >> JJ wrote:   
   >>> On Sun, 21 Oct 2018 16:43:20 +0700, JJ wrote:   
   >>>>   
   >>>> Try below tool. It's a DEBUG script which will create KEYSTATE.COM.   
   >>>> The tool will report the state of the SHIFT, CRTL, and ALT keys in   
   >>>> its exit code (errorlevel).   
   >>>   
   >>> Sorry, forgot to mention that the tool is a DOS program. It will not   
   >>> work on 64-bit Windows without any emulator/virtualizator software   
   >>> such as DosBox or VirtualBox.   
   >>   
   >> Yeah, I wrote one like that too, but it didn't even work in XP.  DOS   
   >> utils run in XP but the keyboard flags in the BIOS data area probably   
   >> never worked in any version of NT.   
   >   
   > Hmm... indeed.   
   >   
   > However, if I run the batch under COMMAND.COM rather than CMD.EXE, it   
   > works fine.   
      
   Oh that's interesting.  That would almost provide a solution if only   
   EXIT from COMMAND.COM could pass a number.   
      
      
   > So, my guess is a problem on the exit code part. i.e.   
   > passing the program exit code from DOS system to Windows system.   
      
   No, I have other purely DOS utilities that return error codes in XP.   
      
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