Exchange Exelvision French Computer build by two french TI engineer

[humeur]

I have available an exl100 computer with modules and books in case some of you could look for one.

 

I prefer an exchange.

 

Beware of shipping costs from France.

 

 

Look the picture

 

 

https://photos.app.goo.gl/Vm7LvQVitTxnE5idA

[+Schmitzi]

wow nice !

[+Schmitzi]

Here are some more infos on that beauty:

 

http://www.old-computers.com/museum/computer.asp?c=123&st=1

 

 

And MyTube:

 

[Opry99er]

What kind of exchange are you looking for? I may be interested!!

[humeur]

And with the controlleur floppy the new game in floppy

 

 

[humeur]

What kind of exchange are you looking for? I may be interested!!

 

What would you have in exchange, I already have a lot of things on the ti

[fabrice montupet]

Here are some more infos on that beauty:

 

http://www.old-computers.com/museum/computer.asp?c=123&st=1

You can find more information on my website:

www.exelvision.fr

Yes, it is French But Google Translator may help: https://translate.google.fr/translate?hl=fr&tab=wT&sl=fr&tl=en&u=http%3A%2F%2Fwww.ti99.com%2Fexelvision%2Fwebsite%2F

[+Schmitzi]

You can find more information on my website:

www.exelvision.fr

Yes, it is French But Google Translator may help: https://translate.google.fr/translate?hl=fr&tab=wT&sl=fr&tl=en&u=http%3A%2F%2Fwww.ti99.com%2Fexelvision%2Fwebsite%2F

 

ce n'est pas vraiment le problème

[+Schmitzi]

Oh, a translator is mission impossible, I cannot copy the text. Seems to be pics ?

 

PS Strange, with google-trans it works... hmm

[fabrice montupet]

Yes it works with Google Translator I have disable the copy/past function. Tired to see my work (a long and hard work during about 10 years) stolen on other website without permission or a thank.

Edited February 10, 2019 by fabrice montupet

[+Schmitzi]

hmm, so how does google fetch this text ? OCR from the pics ? hidden metadata ?

[fabrice montupet]

Not to pollute the topic of Jean-Louis (Humeur) with these HTML/Javascript questions, If you want to know more about the code, please PM me

[+FarmerPotato]

Fascinating. http://www.old-computers.com/museum/computer.asp?c=123&st=1says its engineers were from TI. This has a new to me (old) chip, the TMS3556.

The TMS3556 video display processor (VDP) provides a 40x25 color text mode, 320x250 bitmapped graphics, or mixed mode. The pattern name table is 16 bits per screen position: 3 bits for forgeground color, 2 bits for pattern bank, 1 inversion bit, 2 bits for double width / double height, 1 bit flashing, and 7 bits for character code. This gives an effective 9 bits in the character codes, for up 512 characters. Character definitions are 8x10.

http://bitsavers.trailing-edge.com/components/ti/_dataBooks/TMS3556_Mar84.pdf

Space characters' attribute bits have a completely different meaning. They set the background color for the following characters! Also bits for M)asking, I)ncrustation, and U)nderlining. Masking hides the following characters. Incrustation raises an external sync signal. Underlining does what it says.

Full bitmap mode consumes 3 bytes of BGR data per 8 pixels, each pixel using 1 bit of each byte.

Mixed mode allows the video mode to switch from text to bitmap after any row. The first row must be text, (80 bytes) but then the 81st and 82nd bytes are loaded into command register CM4, which can effect a switch to bitmap mode. A bitmap line takes 120 bytes per line, plus the 2 command bytes which go into CM4. (Additionally, the top row can be hidden.)

An external circuit is shown which adds 8 levels of grayscale at the cost of the I bit. The I bit can be switched on and off by the attributes on the Space character.

I found this to be a fascinating chip, something I dreamed about having in 1984, but never heard of. There are many more nice features in there than I cover in this brief summary.

[humeur]

You can find more information on my website:

www.exelvision.fr

Yes, it is French But Google Translator may help: https://translate.google.fr/translate?hl=fr&tab=wT&sl=fr&tl=en&u=http%3A%2F%2Fwww.ti99.com%2Fexelvision%2Fwebsite%2F

Bonjour Fabrice.

 

jean louis

[humeur]

The data sheet is very rare, this is my scan of the book.

 

jean louis

[+RXB]

Here are some more infos on that beauty:

 

http://www.old-computers.com/museum/computer.asp?c=123&st=1

 

 

And MyTube:

 

Sorry Closed Caption is in FRENCH and I do not Speak French!