From mboxrd@z Thu Jan  1 00:00:00 1970
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From: tmoran@bix.com
Subject: DOS GNAT questions
Date: 1996/06/02
Message-ID: <4ot621$6os@news1.delphi.com>#1/1
X-Deja-AN: 158103522
organization: Delphi Internet Services Corporation
newsgroups: comp.lang.ada
Date: 1996-06-02T00:00:00+00:00
List-Id: <comp.lang.ada>


  How can I access the routines in pc.h?  (I don't run ANSI.SYS and
want to fix screen.adb so the dining philosophers output is visible.)
I've looked at all 11 README.* and most of the 15 *.DOC or *.TXT
files added "pragma Import(C, ScreenClear);"  etc. to screen.adb
But the link says "screen.adb (.text+0x3f8) : undefined reference to
ScreenClear" (or something close to that).
  Also, where is int86 (etc.) documented?  I'd like to call the BIOS,
but don't know how to select which of the Union of REGS is being used
or whether I need to ask DPMI to call the BIOS, or if that is
implicit in int86.
  Finally, what will make gnatbl run faster.  I've got 3MB of smartdrv
but it still sounds like it's thrashing the disk.