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 %SBTTL 'TIAUTO - enable auto-repeat'
MODULE TIAUTO (				! Enable auto-repeat
		IDENT = '1-006'			! File: TIAUTO.BLI Edit: JBS1006
		) =
BEGIN
!
!			  COPYRIGHT (c) 1981, 1985 BY
!	      DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
!		ALL RIGHTS RESERVED.
!
! THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
! ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
! INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
! COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
! OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
! TRANSFERRED.
!
! THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
! AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
! CORPORATION.
!
! DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
! SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
!

!++
! FACILITY:	EDT -- The DEC Standard Editor
!
! ABSTRACT:
!
!	This module enables the auto-repeat VT100 function.
!
! ENVIRONMENT:	Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: June 9, 1979
!
! MODIFIED BY:
!
! 1-001	- Original.  DJS 18-FEB-1981.  This module was created by
!	extracting routine EDT$$TI_ENBLAUTREP  from module TINPUT.
! 1-002	- Regularized the headers.  JBS 24-Feb-1981
! 1-003	- Fix module name.  JBS 10-Mar-1981
! 1-004	- Adjust the flag even if nothing is sent to the terminal.
!	   JBS 30-Jan-1982
! 1-005	- Add a parameter, to turn autorepeat on or off.  JBS 30-Jan-1982
! 1-006	- Use ENB_AUTRPT to suppress actually sending the control
!	   sequences.  JBS 09-Feb-1982
!--

%SBTTL 'Declarations'
!
! TABLE OF CONTENTS:
!

REQUIRE 'EDTSRC:TRAROUNAM';

FORWARD ROUTINE
    EDT$$TI_ENBLAUTREP : NOVALUE;

!
! INCLUDE FILES:
!

REQUIRE 'EDTSRC:EDTREQ';

!
! MACROS:
!
!	NONE
!
! EQUATED SYMBOLS:
!

BIND
    AUTO_REPT = UPLIT (%STRING (%CHAR (ASC_K_ESC), '[?8h')),
    NO_REPT = UPLIT (%STRING (%CHAR (ASC_K_ESC), '[?8l'));

LITERAL
    AUTO_REPT_LENGTH = 5,
    NO_REPT_LEN = 5;

!
! OWN STORAGE:
!
!	NONE
!
! EXTERNAL REFERENCES:
!
!	In the routine
%SBTTL 'EDT$$TI_ENBLAUTREP  - enable auto-repeat'

GLOBAL ROUTINE EDT$$TI_ENBLAUTREP (		! Enable auto-repeat
    MODE					! 1 = turn on, 0 = turn off
    ) : NOVALUE =

!++
! FUNCTIONAL DESCRIPTION:
!
!	This routine turns auto repeat on and off, if possible.
!
! FORMAL PARAMETERS:
!
!  MODE		1 = turn autorepeat on, 0 = turn autorepeat off
!
! IMPLICIT INPUTS:
!
!	TI_TYP
!	K_AUTRPT
!	ENB_AUTRPT
!
! IMPLICIT OUTPUTS:
!
!	K_AUTRPT
!
! ROUTINE VALUE:
!
!	NONE
!
! SIDE EFFECTS:
!
!	NONE
!
!--

    BEGIN

    EXTERNAL ROUTINE
	EDT$$FMT_LIT;				! Send a string to the terminal

    EXTERNAL
	TI_TYP,				! Terminal type
	ENB_AUTRPT,			! 1 = send control sequences, 0 = don't
	K_AUTRPT;			! Auto repeat flag

    CASE .MODE FROM 0 TO 1 OF
	SET

	[0] :
	    BEGIN
!+
! Turn autorepeat off
!-

	    IF ((.TI_TYP EQL TERM_VT100) AND (.K_AUTRPT EQL 1) AND .ENB_AUTRPT)
	    THEN
		EDT$$FMT_LIT (CH$PTR (NO_REPT), NO_REPT_LEN);

	    K_AUTRPT = 0;
	    END;

	[1] :
	    BEGIN
!+
! Turn autorepeat on
!-

	    IF ((.TI_TYP EQL TERM_VT100) AND (.K_AUTRPT EQL 0) AND .ENB_AUTRPT)
	    THEN
		EDT$$FMT_LIT (CH$PTR (AUTO_REPT), AUTO_REPT_LENGTH);

	    K_AUTRPT = 1;
	    END;
	TES;

    RETURN;
    END;					! of routine EDT$$TI_ENBLAUTREP


END
ELUDOM