rec.autos.simulators

GP2 Modem Play-Why is it so bad?

Praveen Isl

GP2 Modem Play-Why is it so bad?

by Praveen Isl » Wed, 18 Dec 1996 04:00:00

Tonight, a friend and I tried to play GP2, we both have 33.6 USRs and
it was pathetically slow!  The frame rates were brutal, it felt as if
we had hooked up at 4800 baud.  Has anyone been able to have a
successful modem game?  We both were in VGA mode, with no objects, and
all textures off except for track and smoke. I have played GP2 using a
direct link game with a null modem cable and it was great. Any
comments on this topic would be appreciated.

PI

Parker Nobl

GP2 Modem Play-Why is it so bad?

by Parker Nobl » Sat, 21 Dec 1996 04:00:00

I've experienced the exact same problem and have been searching for the
answer too... PLEASE... help me...


> Tonight, a friend and I tried to play GP2, we both have 33.6 USRs and
> it was pathetically slow!  The frame rates were brutal, it felt as if
> we had hooked up at 4800 baud.  Has anyone been able to have a
> successful modem game?  We both were in VGA mode, with no objects, and
> all textures off except for track and smoke. I have played GP2 using a
> direct link game with a null modem cable and it was great. Any
> comments on this topic would be appreciated.

> PI

Don Mullin

GP2 Modem Play-Why is it so bad?

by Don Mullin » Sun, 22 Dec 1996 04:00:00


> I've experienced the exact same problem and have been searching for the
> answer too... PLEASE... help me...


> > Tonight, a friend and I tried to play GP2, we both have 33.6 USRs and
> > it was pathetically slow!  The frame rates were brutal, it felt as if
> > we had hooked up at 4800 baud.  Has anyone been able to have a
> > successful modem game?  We both were in VGA mode, with no objects, and
> > all textures off except for track and smoke. I have played GP2 using a
> > direct link game with a null modem cable and it was great. Any
> > comments on this topic would be appreciated.

> > PI

        They didn't realize at the time they were making it that modems would
exist. Or that Pentium 1Millions were not out yet.
--
The wise man can pick up a grain of sand and envision a whole universe,
but the stupid man will just lay down on some seaweed and roll around
until he's completely draped in it. Then he'll stand up and go, "Hey,
I'm Vine Man." Jack Handey.
GO #2!
René van Lobbereg

GP2 Modem Play-Why is it so bad?

by RenĂ© van Lobbereg » Sun, 22 Dec 1996 04:00:00


> =
> I've experienced the exact same problem and have been searching for the=
> answer too... PLEASE... help me...
> =

> > Tonight, a friend and I tried to play GP2, we both have 33.6 USRs and=
> > it was pathetically slow!  The frame rates were brutal, it felt as if=
> > we had hooked up at 4800 baud.  Has anyone been able to have a
> > successful modem game?  We both were in VGA mode, with no objects, an=
d
> > all textures off except for track and smoke. I have played GP2 using =
a
> > direct link game with a null modem cable and it was great. Any
> > comments on this topic would be appreciated.

> > PI

It's probably a matter of init-strings.

Are you using a standard init-string? Well, it's very simple, don't.
They're probably not fully compatible with one or both modems, or they si=
mply stink.
I don't know the command-sets for your modems, but if they are Rockwell-b=
ased and
Hayes-compatible, then one of the following init-strings might work :

  9600 : ATS37=3D9N0S46=3D0&Q0&K0%C0 ..(Zoom 14k4 fax/modem) ............=
modem fixed at 9600
  9600 : AT%C0\N0B8 ...............(Tornado 288h 28k8 fax/modem) ....mode=
m fixed at 9600
  14k4 : ATS37=3D11N0S46=3D0&Q0&K0%C0 .(Zoom 14k4 fax/modem) ............=
modem fixed at 14k4
  28k8 : AT%C0\N0B11 ..............(Tornado 288h 28k8 fax/modem) ....mode=
m fixed at 14k4
  28k8 : AT%C0\N0B15 ..............(Tornado 288h 28k8 fax/modem) ....mode=
m fixed at 28k8
  28k8 : AT%C0\N0&K0 ..............(Dynalink 1428VQH 28k8 fax/modem) mode=
mspeed determined
                                                                       by=
 negotiation with
                                                                       th=
e other modem

  If you need the strings with B8 or B15, the value sets the speed,
  and 10 or 11 will set it to 14k4 (I don't have this modem, so I
  don't know the exact value for sure), you should be able to find
  this in your modem-manual.

  (In all strings the 0's are zero's, not capital o's)

All these init-strings turn off datacompression (%C0) and DTE/DCE-flowcon=
trol (&K0)
and select normal, speed buffering, mode (\N0). () for Dynalink.

Some information about the above init-strings to help you find your way i=
n
your modem-manuals :

Zoom-modem commands :
  S37=3D9 : sets 9600 baud
  S37=3D11: sets 14k4 baud
  N0    : modem will only handshake with other modem if connectionspeed
          matches S37 register.
  S46=3D0 : disables datacompression.
  &Q0   : asynchronous operation in direct mode, DTE (pc) speed must matc=
h
          telephoneline-speed.
  &K0   : disable flowcontrol (RTS/CTS).
  %C0   : disable datacompression.

Tornado modem :
  %C0 : disable datacompression.
  \N0 : selects normal, speedbuffering, mode.
  B8  : selects 9600 baud
  B11 : selects 14k4 baud (might be 10)
  B15 : selects 28k8

Before I had the Zoom-modem (14k4), and I used the 9600 init-string.
When selecting a baudrate of 19200 in GP2 it slowed down the gameplay,
what probably means that GP2 tried to get rid of it's data at 19200,
while the modem couldn't serve it, so to be on the save side, select 9600=
 in GP2.
I don't think GP2 'sees' that the modem is fixed at 9600 by the init-stri=
ng,
so it won't see it beeing set at 14k4 either, if you would select 19200.
In other words : if you use an init-string that sets your modem fixed at =
a
certain baudrate, select a baudrate below or equal in GP2.

When you're using two different PC's, then the slower must be the
leader. The 'follow'-er gets a hard load to pull and probably will let
off steam every now and then.

While in menu's pressing Ctrl-M brings up a chatwindow.

Just to give you an idea of what linking does to me:
The graphics-settings I'm using for other circuits than Monaco are :
(P120, 16MBEDO, DS64_2MBDRAM/S3SPDUP)
  While not linking : SVGA, Fences, Track, Hills, Trackside objects
                      No plot and no texture in mirrors
                      All trackside objects
                      Estimated framerate 17.0 , I set it at 13.4
  While direct-linking : SVGA, Fences, Hills, Trackside objects
                         No plot and no texture in mirrors
                         All trackside objects
                         Framerate set to 12.8
  While modem-linking : Same as with direct, but fps set to 12.1 or 11.8

Hope this helps,
Ren=E9 van Lobberegt, The Netherlands.
-- =

 ***************************************************************
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niteha

GP2 Modem Play-Why is it so bad?

by niteha » Wed, 25 Dec 1996 04:00:00


>I've experienced the exact same problem and have been searching for the
>answer too... PLEASE... help me...


>> Tonight, a friend and I tried to play GP2, we both have 33.6 USRs and
>> it was pathetically slow!  The frame rates were brutal, it felt as if
>> we had hooked up at 4800 baud.  Has anyone been able to have a
>> successful modem game?  We both were in VGA mode, with no objects, and
>> all textures off except for track and smoke. I have played GP2 using a
>> direct link game with a null modem cable and it was great. Any
>> comments on this topic would be appreciated.

>> PI

here is the scoop guys notice how the modem connect screen is so similar
to the original f1..thats because it is the same code,gp2 was never designed
with link play in mind they just bolted an old very old routine to do it.

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