Date:	Tue, 21 Dec 1993 09:25:15 +0100
From:	terra AT diku DOT dk
To:	peprbv AT cfa0 DOT harvard DOT edu
Cc:	djgpp AT sun DOT soe DOT clarkson DOT edu
Subject:	Re: critical error routine

Hi!

> static char handler[16] =
>    {
>    0x81, 0xe7, 0x7f, 0,       /* and di,7f         */
>    0x47,                      /* inc di            */
>    0x2e, 0x89, 0x3e, 0xe, 0,  /* mov cs:[0eh],di   */
>    0xb8, 3, 0,                /* mov ax,3          */
>    0xcf,                      /* iret              */
>    0,0                        /* storage for error code */
>    };

I may be remembering this wrong, but shouldn't you call one of the 
no-stacks-used calls of Dos in order to make Dos stable again?
I think Borland Pascal uses a call to "get verify flag".

Morten Welinder
terra AT diku DOT dk

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