[Simh] Simh Digest, Vol 90, Issue 16
Larry Baker
baker at usgs.gov
Mon May 23 13:38:03 EDT 2011
Gary,
Here's most of the SYS$MANAGER:SETUP_TERMINALS.COM we used on a
MicroVAX with a DHQ11. Port 0 was connected to a real modem, for dial-
up terminal access. We hardwired the speed; you shouldn't have to
with a telnet port.
$!
$! DHQ11 (TXA0:..TXA7:)
$!
$! TXA0: Telebit Trailblazer dial-up modem
$!
$! Telebit modem parameters for auto-answer:
$!
$!E0 F1 M1 Q1 T V1 X1 Version BA4.00
$!S00=001 S01=000 S02=043 S03=013 S04=010 S05=008 S06=002 S07=040
S08=002 S09=006
$!S10=007 S11=070 S12=050
$!S45=255 S47=004 S48=000 S49=000
$!S50=000 S51=004 S52=002 S53=002 S54=000 S55=000 S56=017 S57=019
S58=003 S59=000
$!S60=000 S61=045 S62=003 S63=001 S64=000 S65=000 S66=001 S67=001
S68=255
$!S90=000 S91=000 S92=000 S95=000
$!S100=000 S101=000 S102=000 S104=000
$!S110=001 S111=255 S112=001
$!S121=000
$!
$ If ( F$GetDVI ( "_TXA0:", "EXISTS" ) )
$ Then
$ Set Protection=W:RWLP _TXA0: /Device
$ Set Terminal _TXA0: /Eight_bit /Pasthru /Hostsync /Modem /DMA /
Disconnect -
/NoAutobaud /Altypeahd /Hangup /Dialup /
Speed=9600 -
/Permanent
$ EndIf
$!
$! TXA1: Not connected
$!
$ If ( F$GetDVI ( "_TXA1:", "EXISTS" ) ) Then -
$ Set Terminal _TXA1: /NoType_Ahead /Permanent
$!
$! TXA2: Kinemetrics/TrueTime GOES Clock
$!
$ If ( F$GetDVI ( "_TXA2:", "EXISTS" ) )
$ Then
$ Set Protection=W:RWLP _TXA2: /Device
$ Set Terminal _TXA2: /NoEcho /NoEight_bit /Pasthru /NoAutobaud -
/NoType_Ahead /Altypeahd /Speed=1200 /
Permanent
$ Assign/System/Executive_Mode/Translation_Attributes=Concealed -
_TXA2: UTC_Clock:
$ EndIf
$!
$! TXA3: VT100
$!
$ If ( F$GetDVI ( "_TXA3:", "EXISTS" ) ) Then -
$ Set Terminal _TXA3: /DMA /Permanent
$!
$! TXA4:..TXA7: Not connected
$!
$ If ( F$GetDVI ( "_TXA4:", "EXISTS" ) ) Then -
$ Set Terminal _TXA4: /NoType_Ahead /Permanent
$ If ( F$GetDVI ( "_TXA5:", "EXISTS" ) ) Then -
$ Set Terminal _TXA5: /NoType_Ahead /Permanent
$ If ( F$GetDVI ( "_TXA6:", "EXISTS" ) ) Then -
$ Set Terminal _TXA6: /NoType_Ahead /Permanent
$ If ( F$GetDVI ( "_TXA7:", "EXISTS" ) ) Then -
$ Set Terminal _TXA7: /NoType_Ahead /Permanent
Larry Baker
US Geological Survey
650-329-5608
baker at usgs.gov
On 21 May 2011, at 6:52 AM, simh-request at trailing-edge.com wrote:
> Date: Sat, 21 May 2011 08:52:09 -0500
> From: Gary Lee Phillips <tivo.overo at gmail.com>
> To: Mark Pizzolato - Info Comm <Mark at infocomm.com>
> Cc: simh at trailing-edge.com
> Subject: Re: [Simh] VAX DZ terminal controller unit?
> Message-ID: <BANLkTikYFGRY6mRo2aC5BQ3AuxDNbh=rzA at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Thanks, Mark. I was planning to try the VH emulation this weekend, in
> fact. I'd held off because I wasn't sure I could use a Qbus device
> with the Microvax emulator, and thought I might have to build the
> 11/780 emulation instead.
>
> I have more information on the DZ, too. After much blind and random
> experimenting, I found that using this command on the VAX side will
> make the TTAx ports behave in a somewhat more predictable manner:
>
> SET TERM TTAx -
> /MODEM -
> /DIALUP -
> /HANGUP -
> /DISCONNECT -
> /NOAUTOBAUD -
> /PERMANENT
>
> Note that these settings go away when the VAX is rebooted, so they
> probably should be added to SYSTARTUP_VMS.COM or some other script
> that will reset them after a boot.
>
> By setting those flags for each of the ports on the DZ, I get a
> consistent result. The telnet session is completely disconnected on
> logout, closing the telnet window, and no _TTAx process is left
> hanging around on the VAX side. The remaining issue is some slowness
> in getting up a prompt when first connecting, and that may be related
> to what you've described here. I find that it takes 20 to 30 seconds
> for the login prompt to appear after pressing the ENTER key, but after
> that everything works well.
>
> I'll give the VH a try, possibly today.
>
> --Gary
>
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