NTVDM CPU has encountered an illegal instruction.

Dec 2, 2008
224
2
Canada
I typed in the following and hit return:

m:\otpt

And got the following dialog box titled "16 bit MS-DOS Subsystem":

TCC Prompt - m:\otpt
The NTVDM CPU has encountered an illegal instruction
CS:0e56 I:6d9c OP:ff ff bc 00 00 Choose 'Close' to terminate the application

If I'm at the root of m drive and type "otpt" return to change directories the same thing happens.

Strangely, "cd m:\otpt", "cd \otpt" and "cd otpt" work.

One other thing, my m drive is an OpenVMS file share.


Craig Gunhouse
 

Charles Dye

Super Moderator
Staff member
May 20, 2008
4,425
85
Albuquerque, NM
prospero.unm.edu
I typed in the following and hit return:

m:\otpt

And got the following dialog box titled "16 bit MS-DOS Subsystem":

TCC Prompt - m:\otpt
The NTVDM CPU has encountered an illegal instruction
CS:0e56 I:6d9c OP:ff ff bc 00 00 Choose 'Close' to terminate the application

If I'm at the root of m drive and type "otpt" return to change directories the same thing happens.

Strangely, "cd m:\otpt", "cd \otpt" and "cd otpt" work.

One other thing, my m drive is an OpenVMS file share.


Craig Gunhouse

I doubt that has anything to do with Take Command; TC is not a DOS program! More likely, you have a file named OTPT.COM or OTPT.EXE in the root directory of your M: drive. Does your command work if you include a trailing backslash?
 
Dec 2, 2008
224
2
Canada
Yes, that was it OpenVMS uses .COM files like batch files and there was a OTPT.COM in the root directory.

Thanks,

Craig
 
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