Date: Sat, 29 Oct 1994 09:27:56 -0500 (CDT)
From: Aaron Ucko <UCKO AT VAX1 DOT ROCKHURST DOT EDU>
Subject: Re: accessing real mode regs from gcc
To: mark AT samson DOT demon DOT co DOT uk
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Organization: Rockhurst College; Kansas City, MO

>I have recently started using gcc and I am converting a MSC program
>to run under protected mode so that I may do some extended memory 
>addressing. Fine, but this program uses routines in a commercial TSR 
>via interupt 80h and causes a segmentation fault. I'm told
>this is because a different interupt vector table is used when in
>protected mode. So the question is what are the magic incantations
>required to convert these int86x calls - given my ignorance of 
>Intel/DOS arcane ?
>
>For example, the following is a fragment of the MSC version:-

[deleted]

>What are the equivalent _go32 calls or do I have to switch back to 
>real mode somehow ?

int _go32_dpmi_simulate_int(int vector, _go32_dpmi_registers *regs);

--- Aaron Ucko (ucko AT vax1 DOT rockhurst DOT edu; finger for PGP public key) -=- httyp!
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