10/91 - Bug fix : the number of the comm port was not being
passed to the FOSSIL driver routines correctly.  Also simplified
FOSSIL.PAS and inkey routine(s).

07/91 - This ZIP contains Turbo Pascal code which I hope will be
useful to game authors.  This code in a modification of Jeff
Garzik's INTERFAC.PAS, which is an upgrade of Wayne Bell's
COMMON.PAS.

I have modified the code to (1) use real ANSI instead of WWIV
ANSI, and (2) optionally use a FOSSIL driver.  Many more BBS
systems will be able to run WWIV games if they are capable of
using a FOSSIL driver.  WWIV sysops will be able to run the games
the way they always have.  (A FOSSIL driver is an easy way to do
modem I/O.  I will explain in detail later if anybody is
interested.)  I also optimized some of the code while I was at
it.

This code is syntax compatible with INTERFAC.PAS, and therefore
very similar to COMMON.PAS, so I hope that games can use this TPU
with little or no modification.  The one thing that is important
when not using WWIV interrupts is that all loops which do user
input or output must exit when the user hangs up.  So, instead of
  repeat c := inkey;
    done := c in ['A'..'Z'];
  until done;
it should be
  repeat c := inkey;
    done := c in ['A'..'Z'];
  until done or hangup;

This code is dedicated to the public domain in the hopes that we
can eventually put together a WWIV doors developers kit in a
couple of languages.  It should be easy to add support for
reading PCBOARD.SYS, DORINFO1.DEF, etc.

The posts will consist of the following:

(1) FOSSIL.PAS, modem I/O routines which should be compiled into
    FOSSIL.TPU.
(2) ANSI.PAS, my routines for doing real ANSI.  This is an
    include file for...
(3) WWIV.PAS, which should be compiled into WWIV.TPU.

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