tldm-universe/Ardent/UV/BP/DELAY

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2024-09-09 21:51:08 +00:00
********************************************************************************
*
* Support of PR1ME INFORMATION verb - DELAY
*
* Module %M% Version %I% Date %H%
*
* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
* This is unpublished proprietary source code of Ardent Software Inc.
* The copyright notice above does not evidence any actual or intended
* publication of such source code.
*
*******************************************************************************
*
* Maintenence log - insert most recent change descriptions at top
*
* Date.... GTAR# WHO Description.........................................
* 10/14/98 23801 SAP Change copyrights.
* 07/25/88 - - Maintenence log purged at 5.2.1, see release 5.1.10.
*
*******************************************************************************
$OPTIONS DEFAULT
* Get paramaters from input line
delay1 = field(@sentence," ",2)
delay2 = field(@sentence," ",3)
delay3 = field(@sentence," ",4)
if (delay1 # "" and not(num(delay1))) or (delay2 # "" and not(num(delay2))) or (delay3 # "" and not(num(delay3))) then
@SYSTEM.RETURN.CODE = -1
stop "Invalid token on command line."
end
delay1 = iconv(delay1, "mo")
delay2 = iconv(delay2, "mo")
delay3 = iconv(delay3, "mo")
* Supply defaults
if delay1 = "" or delay1 = 0 then delay1 = 6
if delay2 = "" or delay2 = 0 then delay2 = 12
if delay3 = "" or delay3 = 0 then delay3 = 72
* Compute average delay based on line length
begin case
case delay3 > 72
delay = (delay1+delay2+delay2)/3
case delay3 = 72
delay = (delay1+delay2)/2
case delay3 < 72
delay = (delay1+delay1+delay2)/3
end case
* Adjust for 300 baud (30 cps)
delay = delay/30
* Compute LFdelay factor
begin case
case delay >= .46
lfdelay = 8
case delay >= .38
lfdelay = 7
case delay >= .30
lfdelay = 6
case delay >= .26
lfdelay = 5
case delay >= .18
lfdelay = 4
case delay >= .16
lfdelay = 3
case delay >= .10
lfdelay = 2
case delay >= .08
lfdelay = 1
case 1
lfdelay = 0
end case
* Execute the command to change delay
execute "PTERM LFDELAY ":lfdelay returning @SYSTEM.RETURN.CODE