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 %TITLE 'SCRBLOB - show a blob on the screen'
MODULE SCRBLOB (				! Show a blob on the screen
		IDENT = '3-002'			! File: SCRBLOB.BLI Edit: CJG3002
		) =
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 puts out the character indicating a wrapped or
!	truncated line.
!
! ENVIRONMENT:	Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: September 8, 1979
!
! MODIFIED BY:
!
! 1-001	- Original.  DJS 12-Feb-1981.  This module was created by
!	extracting the routine EDT$$SC_SHWBLOB  from module SCREEN.
! 1-002	- Regularize headers.  JBS 13-Mar-1981
! 1-003	- Keep EDT$$G_PRV_COL up to date.  JBS 05-Oct-1982
! 1-004	- Advance EDT$$G_FMT_LNPOS.  JBS 13-Oct-1982
! 1-005	- Don't increment EDT$$G_PRV_COL if we are already at the right
!	   edge of the screen.  JBS 16-Oct-1982
! 3-001 - Add updates from V3 sources.  GB 03-May-1983
! 3-002 - Fix problem with screen edge. CJG 9-Jan-1984
!--

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

REQUIRE 'EDTSRC:TRAROUNAM';

FORWARD ROUTINE
    EDT$$SC_SHWBLOB : NOVALUE;

!
! INCLUDE FILES:
!

REQUIRE 'EDTSRC:EDTREQ';

!
! MACROS:
!
!	NONE
!
! EQUATED SYMBOLS:
!
!	NONE
!
! OWN STORAGE:
!
!	NONE
!
! EXTERNAL REFERENCES:
!
!	In the routine
%SBTTL 'EDT$$SC_SHWBLOB  - show a blob on the screen'

GLOBAL ROUTINE EDT$$SC_SHWBLOB 			! Show a blob on the screen
    : NOVALUE =

!++
! FUNCTIONAL DESCRIPTION:
!
!	This routine puts out the character which indicates a wrapped or truncated
!	line.
!
! FORMAL PARAMETERS:
!
!	NONE
!
! IMPLICIT INPUTS:
!
!	TI_WID
!	TI_TYP
!
! IMPLICIT OUTPUTS:
!
!	PRV_COL
!	FMT_LNPOS
!
! ROUTINE VALUE:
!
!	NONE
!
! SIDE EFFECTS:
!
!	NONE
!
!--

    BEGIN

    EXTERNAL ROUTINE
	EDT$$FMT_LIT;

    EXTERNAL
	PRV_COL,			! Cursor column number
	FMT_LNPOS,			! Line position in the format buffer
	TI_WID,				! Terminal width
	TI_TYP;				! Terminal type.

    IF (.TI_TYP EQL TERM_VT52)
    THEN
	EDT$$FMT_LIT (CH$PTR (UPLIT (%STRING (%CHAR (ASC_K_ESC), 'Fa', %CHAR (ASC_K_ESC), 'G'))), 5)
    ELSE
	EDT$$FMT_LIT (CH$PTR (UPLIT (%STRING (%CHAR (ASC_K_SO), '`', %CHAR (ASC_K_SI)))), 3);

    PRV_COL = .PRV_COL + 1;
    FMT_LNPOS = .FMT_LNPOS + 1;
    END;


END
ELUDOM