Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!bloom-beacon!eru!luth!sunic!tut!ra!uwasa.fi!ts
From: ts@uwasa.fi (Timo Salmi LASK)
Newsgroups: comp.lang.pascal
Subject: Re: Readkey without "use crt" (Was Re: Strobing the keyboard)
Message-ID: <1989Nov22.161724.24040@uwasa.fi>
Date: 22 Nov 89 16:17:24 GMT
References: <922taylorj@yvax.byu.edu>
Reply-To: ts@chyde.uwasa.fi (Timo Salmi LASK)
Organization: University of Vaasa, Finland
Lines: 24

In article <922taylorj@yvax.byu.edu> taylorj@yvax.byu.edu writes:
>There are two solutions to this problem:
>1) Use CRT but make the I/O go through DOS.  All you have to do is add the
>lines
>  Assign(input, ''); reset(input);
.... stuff deleted ...

Right.  But some incompatible PCs work better still if the Crt unit
is omitted altogether, so your solution below might be preferable. 

>2) Go directly to DOS or BIOS to read a key.
>To read a key using DOS, you'll need something like
>  var
>    regs :registers;
>  regs.ah := 8;
.... stuff deleted ...

Right.  And for those interested in the subject there is more
information in Ezzel, Programming the IBM User Interface. 

...................................................................
Prof. Timo Salmi                                (Site 128.214.12.3)
School of Business Studies, University of Vaasa, SF-65101, Finland
Internet: ts@chyde.uwasa.fi Funet: vakk::salmi Bitnet: salmi@finfun