Tektronix PLOT 10 User manual

fTEKTFIONIX®
PLOT 10
401 0A06
GRAPHICS TABLET
UTlLITY ROUTINES
INSTALLATION GUIDE

TEKTRDNI)@D
PLOT 10
401 0A06
GRAPHICS TABLET
UTILITY ROUTINES
INSTALLATION GUIDE
Tektronix, Inc.
P.O. Box 500
Beaverton, Oregon 97077

Copyright ©1977 by Tektronix, Inc. Beaverton, Oregon. Printed
in the United States of America. All rights reserved. Contents of
this publication may not be reproduced in any form without
permission of Tektronix, Inc.
This instrument, in whole or in part, may be protected by one or
more US. or foreign patents or patent applications. Information
provided on request by Tektronix, Inc., PO. Box 500, Beaverton,
Oregon 97077.
TEKTFIONIX is aregistered trademark of Tektronix, Inc.

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PRODUCT 4010A06 PLOT IO GRAPHICS TABLET UTILITY ROUTINES
This manual supports the following versions of this product: Level 1and above
MANUAL REVISION STATUS
REV. DATE DESCRIPTION
5’77 Original Issue
401 OAOG Installation

CONTENTS
Introduction ........................................................ 1
Installation Procedure ....‘ ............................................. 1
Installation Checklist ................................................. 3
@4010A06 Installation

—~—/
INTRODUCTION
The 4010A06 PLOT 10 Graphics Tablet Utility Routines provide an easy way of using the
4953 and 4954 Graphics Tablet in conjunction with a4010—Series Computer Display
Terminal and ahost computer. The software support consists of six FORTRAN IV sub-
routines which are designed to be used with the Terminal Control System (TCS).
INSTALLATION PROCEDURE
1. If you have Release 3.0 (or above) of TCS load and compile the Graphics Tablet
Utility Routines (GTUR). Routines necessary to run the GTUR are TlNSTR, TOUTST
and LE FTlO. If your TCS package does not include these routines (part of Release 3.0
and later) follow step 2.
2. If you do not have TCS (or have aversion lower than Release 3.0) write the three
routines as shown below.
TOUTST
TOUTST outputs ADE* characters, including control characters, in an array.
Calling sequence:
CALL TOUTST (NCHAR, IAR RAY)
Parameters entered:
NCHAR number of characters in array to be output
IAR RAY array containing ADE characters to be output
TlNSTR
TlNSTR accepts input characters and stores them in abuffer (IBUFF). The length of this
buffer is limited only by the maximum length of the computer system input buffer. The
input is'delimited by acarriage return (CR), and it is not necessary that control characters
be input. The subroutine must keep count of the number of characters (NUM) in IBUFF,
not including trailing blanks. New characters should be input only if NUM=0, and the
output buffer should be dumped before the next request for input.
’ADE (ASCII Decimal Equivalent) code is the integer representation of the ASCII character set. The
ADE characters are the numbers from 0 to 127. For example, 48 represents 0, 65 “A", 90 “2", etc.
4010A06 Installation @

Calling Sequence:
CALL TlNSTR (LEN, IARRAY)
Parameters entered:
LEN the number of characters requested
IARRAY ADE array into which the input characters are placed
NOTE
If LEN>NUM>0, /ARRA Ymust be padded with spaces. if LEN <NUM,
characters remaining in the buffer should be retained for the next access
of TINS TR, and NUM should be updated to NUM —— LEN.
LEFTIO
LEFTIO returns to number of characters left in the TINSTR buffer (NUM above).
Calling Sequence:
CALL LEFTIO
When the above routines are written you should be able to load, compile, and run the
GTU R.
3. Subroutine MULPNT contains acomment line which allows the user to insert asub-
routine BUFFUL for buffer overflow:
C*lF(NGOT.GT.NWNT) CALL BUFFUL
By replacing “C *” with spaces and writing BUFFU L, the user may create aroutine
which will handle buffer overflow. The standard GTU Rpackage discards any input points
in excess of the limits of the buffer. BUFFUL could be used to call aterminal bell
routine to alert the user when the buffer overflows.
@4010A06 Installation

INSTALLATION CHECKLIST
DECIDE]
4010A06 Installation
Determine if you have Release 3.0 or higher of TCS.
If necessary add routines to bring system up to level of Release 3.0.
Load and compile the GTUR routines.
Insert subroutine BUFFU Lif desired.
Enjoy your new Tektronix software.

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