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TI Related -- Ebay / Heads Up Notice


Omega-TI

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1 hour ago, acadiel said:

They should be.  I gave the .zip file to the Jason Scott directly, and he uploaded them all.  Now, the link and what it is - I don't know offhand.

Cool.  I will see if I can locate them and seed the torrent.

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6 hours ago, acadiel said:

They should be.  I gave the .zip file to the Jason Scott directly, and he uploaded them all.  Now, the link and what it is - I don't know offhand.

 

14 minutes ago, arcadeshopper said:

pretty sure it's there as well

 

I found this:

 

https://archive.org/details/tibooks

 

Problem is, Archive.org's collections never have a single torrent, and you have to go to each single one.  I might be able to script up something to pull all of the torrents.  Anyway, it looks like they are there.

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For those looking for 99/22 kits, one of the larger kit sellers in China as put up 100 available for $68 plus shipping:

 

https://www.ebay.ca/itm/116338959235

 

Not sure the quality of this place, the key thing is their 9900 and 9901 chips good.

 

The kit does not contain any of the resistors, or caps, or connectors needed, just the silicon ics.

Screenshot_20240926-102037.png

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2 hours ago, Gary from OPA said:

For those looking for 99/22 kits, one of the larger kit sellers in China as put up 100 available for $68 plus shipping:

 

https://www.ebay.ca/itm/116338959235

 

Not sure the quality of this place, the key thing is their 9900 and 9901 chips good.

 

The kit does not contain any of the resistors, or caps, or connectors needed, just the silicon ics.

Screenshot_20240926-102037.png

I would ask POLIDA to put a kit together. They will do that, customize their 9900 parts kit. 
 

I have got good parts from them (99105) and heard of quick replacement of bad/counterfeit chips (the Yamaha 2612 sound chip scourge) 

 

I *think* my V9958s are good--I've only tested one of them (those darn pins!) 

 

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On 9/22/2024 at 5:30 PM, dhe said:

image.thumb.png.e78f712ab7b51e001b9541b68b931d3f.png

 

I know that this was used as a college textbook. I've read it and never really understood the example programs....

 

Anyone have any thoughts on this book?

 

 

 

I bought that book and it's very heavy on example code but little in the manner of in-depth explanations. It essentially wants you to dissect the programs in order to understand the underlying principles for each chapter. I did so with the first program where the computer learns heuristically to play the game of NIM as a way to teach you about pointers in arrays. The code requires a lot of cleaning up for screen formatting and there are a couple of typos as well, so it appears that the listing is not a direct printout from a TI running the program but rather a typed in listing. 

It's an interesting approach, but may not suit every one's learning style. It's also very time consuming as the programs are not trivial, but on the plus side they are interesting.

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That particular book, would probably be a good hoping off place for another book, using TICodEd and giving real world examples. I think what through me off about the book, is it doesn't really talk about the TI file system per say. Relative vs Fixed, Internal vs Display.

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Saw this mis-labeled 990/10A processor board, erm, "Display Driver".  They have, uh, three Display Drivers.

 

$250 is a good price for a 990/10A.  The photo is blurry, but the layout is unmistakable.  

 

99010A_photo.thumb.jpg.922b52b3cbaa5dba2c4c6c998acbbc45.jpg

 

 

The ceramic chip would be a TMP99000 AJDL, (yes, 99000, no 105, no 110).  The big 64-pin are ASICs CD2501, CD2502, CD2503 I think the numbering goes.  A TMS9901 is next to the board edge.  

 

To operate this, you need any 990 chassis, and to make a cable for the front console port.  That port is a 2x16 (?) pin header that carries comm signals including RS232.

 

--

I think it has been confused with, a bona fide Texas Instruments 2222371-0001 Display Driver, (New, $250) and the Display Driver, refurbished, below with the 16-LED panel ($325).

 

2222371_Display_1.thumb.jpg.38f6f0c4bf3b95830bb16c39052e57a4.jpg

 

 

 

 

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47 minutes ago, FALCOR4 said:

Interesting beige console popped up, internal 32k and what may be an interrupt button in the top right corner of the keyboard area? Has a good keyboard, as well. Canada.

 

TI-99/4a computer with 32K internal upgrade - Extended BASIC - cables - tested | eBay

 

Excellent seller.  I've bought several of his items recently.

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