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(* Terminal.def provides a Logitech 3.0 compatible and PIM [234] compatible.
Copyright (C) 2004-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. *)
DEFINITION MODULE Terminal ;
(*
It provides simple terminal input output
routines which all utilize the TermBase module.
*)
EXPORT QUALIFIED Read, KeyPressed, ReadAgain, ReadString, Write,
WriteString, WriteLn ;
(*
Read - reads a single character.
*)
PROCEDURE Read (VAR ch: CHAR) ;
(*
KeyPressed - returns TRUE if a character can be read without blocking
the caller.
*)
PROCEDURE KeyPressed () : BOOLEAN ;
(*
ReadString - reads a sequence of characters.
Tabs are expanded into 8 spaces and <cr> or <lf> terminates
the string.
*)
PROCEDURE ReadString (VAR s: ARRAY OF CHAR) ;
(*
ReadAgain - makes the last character readable again.
*)
PROCEDURE ReadAgain ;
(*
Write - writes a single character to the Termbase module.
*)
PROCEDURE Write (ch: CHAR) ;
(*
WriteString - writes out a string which is terminated by a <nul>
character or the end of string HIGH(s).
*)
PROCEDURE WriteString (s: ARRAY OF CHAR) ;
(*
WriteLn - writes a lf character.
*)
PROCEDURE WriteLn ;
END Terminal.
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