[comp.sys.cbm] Desterm 128

izot@f171.n221.z1.FIDONET.ORG (Geoffrey Welsh) (04/13/89)

   I've had a couple of people send me netmail reflecting interest in DesTerm 
128, our 9600 bps VT-100 terminal program. The UUENCODE of the distribution 
archive is 68K; would there be an interest in my posting it here? (I don't even 
know if comp.binaries.cbm exists and, if it does, I don't have access to it at 
the moment).
 


--  
 Geoffrey Welsh - via FidoNet node 1:221/162
     UUCP: ...!watmath!isishq!171!izot
 Internet: izot@f171.n221.z1.FIDONET.ORG

fireman@tippy.uucp (04/14/89)

  There is no BIN.CBM so don't worry about that.  I don't think there would
be a problem with posting it, it would save the time and trouble for everyon
if you sent it by request...  Anytyway, SCI.SHUTTLE regularly gets 60-120K
messages so I don't think this one would "overload" the system.

       Rob Dale - tippy!fireman@newton.physics.purdue.edu

mat@emcard.UUCP (W Mat Waites) (04/14/89)

In article <2036.24441CED@isishq.FIDONET.ORG> izot@f171.n221.z1.FIDONET.ORG (Geoffrey Welsh) writes:
>
>   I've had a couple of people send me netmail reflecting interest in DesTerm 
>128, our 9600 bps VT-100 terminal program. The UUENCODE of the distribution 
>archive is 68K; would there be an interest in my posting it here? (I don't even 
>know if comp.binaries.cbm exists and, if it does, I don't have access to it at 
>the moment).
>--  
> Geoffrey Welsh - via FidoNet node 1:221/162

There is no place for binaries..... Post it here!!!

That's my vote anyway.

Mat


-- 
W Mat Waites            | Oh, I used to be disgusted, but now I'm just amused.
gatech!emcard!mat       | Since their wings got rusted, you know the angels
8-5 ET: (404) 727-7197  |    wanna wear my red shoes  --E. Costello

ecarroll@csvax1.cs.tcd.ie (Eddy Carroll) (04/16/89)

In article <2036.24441CED@isishq.FIDONET.ORG>, izot@f171.n221.z1.FIDONET.ORG
(Geoffrey Welsh) writes:
>    I've had a couple of people send me netmail reflecting interest in DesTerm 
> 128, our 9600 bps VT-100 terminal program. The UUENCODE of the distribution 
> archive is 68K;would there be an interest in my posting it here? (I don't
> even know if comp.binaries.cbm exists and, if it does, I don't have access
> it at the moment).

I'd be very interested. If you end up not posting it, could you possibly
send me a copy? I have several friends here that would also like to see it.

-- 
Eddy Carroll               ----* Genuine MUD Wizard  | "You haven't lived until
INTER: ecarroll@cs.tcd.ie                            |  until you've died in
 UUCP: {..uunet}!mcvax!ukc!cs.tcd.ie!csvax1!ecarroll |  MUD!" - Richard Bartle

simon@ms.uky.edu (G. Simon Gales) (11/10/89)

Does anyone know of a good monitor that can handle the 50 line mode used
in DesTerm-128?  I tried it on a $600 MultiSync that I use for my AT, and
it jittered all over the place (and it has a _good_ cable!)


-- 
Simon Gales@The University of Kentucky
   simon@ms.uky.edu             | 'Fate... protects fools, little children,
   simon@UKMA.BITNET            |  and ships named Enterprise.' 
   {rutgers, uunet}!ukma!simon  |                           - Riker, ST:TNG

djn341@uxf.cso.uiuc.edu (11/16/89)

> /* Written  8:21 pm  Nov  9, 1989 by simon@ms.uky.edu in uxf.cso.uiuc.edu:comp.sys.cbm */
/* ---------- "Desterm 128" ---------- */
> Does anyone know of a good monitor that can handle the 50 line mode used
> in DesTerm-128?  I tried it on a $600 MultiSync that I use for my AT, and
> it jittered all over the place (and it has a _good_ cable!)


Well,
   I don't know if a good monitor will make that much of a difference,
considering that it trying to cram 50 lines into the VDC's 200 vertical pixel
resolution.  That leaves about 4 pixels for vertical resolution which won't
be that clear anyway.  The best way (that I found) to stop jittering is to
expertiment with the color combinations to get a bright enough, yet stable
picture.  Red on black & dark grey on black work pretty well for me.


------------------------------------------------------------------------------
|            djn341@uxf.cso.uiuc.edu   =======>   Dan Nix                    |
------------------------------------------------------------------------------

phoenix@ms.uky.edu (R'ykandar Korra'ti) (11/17/89)

In article <46400044@uxf.cso.uiuc.edu> djn341@uxf.cso.uiuc.edu writes:
>Well,
>   I don't know if a good monitor will make that much of a difference,
>considering that it trying to cram 50 lines into the VDC's 200 vertical pixel
>resolution.
     Um; I don't think so. It puts the VDC into interlace mode, wherein you
have 400 lines of resolution. That's still 8 pixels vertical per character.
     A higher-persistance monitor capable of dealing with an interlaced signal
would solve the problem right away. I think Commodore's is called the A2002
(don't quote me on that) and it's manufactured for the Amiga. It's a high-
persistance colour monitor and the results, I've been told from people who
have them, are quite nice.
     BTW, do not assume that a high-priced multiscan will like interlaced
video modes. Many very specifically do NOT. Make sure that the one you buy
likes interlace - the Mitsubiti Diamondscan comes to mind as a good choice.
Many multisync monitors see the difference in vertical retrace times as being
an error on the part of the display card and "correct" it for you - thus
landing the second set of lines right on top of the first. This "feature" is
great if you've got a cruddy display card; terrable if you use interlaced
video.
-- 
| R'ykandar Korra'ti, Editor, LOW ORBIT | phoenix@ms.uky.edu | CIS 72406,370 |
| Elfinkind, Unite! | phoenix@ukma.bitnet | PLink: Skywise | QLink: Bearclaw |

mdinn@ac.dal.ca (11/18/89)

> /* Written  8:21 pm  Nov  9, 1989 by simon@ms.uky.edu in uxf.cso.uiuc.edu:comp.sys.cbm */
> /* ---------- "Desterm 128" ---------- */
> Does anyone know of a good monitor that can handle the 50 line mode used
> in DesTerm-128?  I tried it on a $600 MultiSync that I use for my AT, and
> it jittered all over the place (and it has a _good_ cable!)
 
Suprisingly, I've found my best results on an Apple /// monitor. It's a
green-screen monitor, and doesn't flicker (well, not much, anyway). Also, the
VDC doesn't go to 4 pixels per character, I believe it goes to interlace mode
(yes, I believe it does support interlacing). 
 
 Hope this helps!
 
 Michael Dinn
 MDINN@AC.DAL.CA

djn341@uxf.cso.uiuc.edu (11/18/89)

Oops!!!!  Stupid oversite on my part.  Sorry.

djn341@uxf.cso.uiuc.edu

ksk@well.UUCP (Kianusch Sayah-Karadji) (11/19/89)

In article <46400044@uxf.cso.uiuc.edu> djn341@uxf.cso.uiuc.edu writes:
>
>   I don't know if a good monitor will make that much of a difference,
>considering that it trying to cram 50 lines into the VDC's 200 vertical pixel
>resolution.  That leaves about 4 pixels for vertical resolution which won't
>be that clear anyway. [...]

Hmm... That's not correct...
The way I understand it, the VDC IS able to do 400 vertical pixel-resolution...
So in 50 line-res, screen does have 8 pixels!

There are even ways to get a 720x700 hi res screen (in interlace)!!!

...so the problem is not the chip. Must be something else.

							Kianusch
						     kianusch@unicom
							


 

acliu@skat.usc.edu (Alex C. Liu) (11/19/89)

In article <14617@well.UUCP> kianusch@unicom.UUCP (Kianusch Sayah-Karadji) writes:
>In article <46400044@uxf.cso.uiuc.edu> djn341@uxf.cso.uiuc.edu writes:
>>   I don't know if a good monitor will make that much of a difference,
>>considering that it trying to cram 50 lines into the VDC's 200 vertical pixel
>>resolution.  That leaves about 4 pixels for vertical resolution which won't
>>be that clear anyway. [...]
>Hmm... That's not correct...
>The way I understand it, the VDC IS able to do 400 vertical pixel-resolution...
>So in 50 line-res, screen does have 8 pixels!
>
>There are even ways to get a 720x700 hi res screen (in interlace)!!!

I think it is nobody's fault.  The VDC chip to achieve that high
resolution uses Interlace mode, meaning, that instead of sending the
same raster image every 1/60s, it alternately sends odd and even
fields of the raster image, with one of them shifted 1/2 raster.  So
it actualy is refreshing the screen at 1/30 s rate.  In some cases
this will not be enough.  I think the Amiga, when uses interlace mode,
also has this flickering.  With, the amiga you can get a flicker
fixer, but with the 128, you will either have to buy a High
persistance monitor, or make a good selection of colors to reduce
flickering...

---
Alex C. Liu 
acliu%skat@usc.edu	acliu@skat.usc.edu
(Simple .signature, $CHEAP$)

hcobb@walt.cc.utexas.edu (Henry J. Cobb) (11/19/89)

	The interlace mode from the 128 is being 'corrected' by the
multi-sync monitor to a 200-line mode with lots of flicker.

	If you want to push the display a ways, without too much flicker,
you should get a cheap monochrome monitor.

	I use the Magnavox CM80 (100$ at Sears), with good results.

	Henry J. Cobb	hcobb@walt.cc.utexas.edu