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About this blog

A view on what I am working on that others may benefit from.

Entries in this blog

 

TI 99/4A Memory Map

TI-99/4A Memory Map >0000 Console Rom; Interrupt vectors, XOP vectors GPL Interpreter, Floating POINT routines, XMLINK vectors, >1FFF Low-level cassette DSR etc. >2000 Low Memory Expansion Ram; Varies according to the loader used (Assembly). Generally >3FFF not used by XBASIC programs. >4000 DSR ROM; Device service routines. Determined by CRU bit setting >5FFF Disk Controller, RS232 etc. &g

Davvel

Davvel

 

Let's count how many TI 99/4A active users exist in 2016

I was wondering how many active TI 99/4A community members still exist in 2016.   I could not find a simple way of knowing so I thought of having a central dedicated blog entry which we can share with anyone who we know is a TI user and tell them to like this page.   They can then comment on this blog and tell us some details about themselves.   Example: Name, Surname, Age, Country, Year when they first had a TI 99/4A, How many TI 99/4A machines they have, Maybe the entire inventory of

Davvel

Davvel

 

My Cartridge Collection

Recently (November 2015) I purchase a Silver TI 99/4A given that my Beige TI which I had for the last 31 years broke (black screen + long tone). I am trying to fix it (see my other blog entries) but in the meantime I thought it best to have a spare TI. I also purchased 12 cartridges, 2 joysticks and a speech synthesiser. The following are my Cartridge Collection as at 6th December 2015. I will update this as I go alone. My aim is to actually find the time to create my own cartridge, hopefull

Davvel

Davvel

 

My Nanopeb experience

Yesterday 5th December I ordered a nanoPeb from http://www.stargames.be/shop/101-ti-99-4a a French site, but I used Chrome web browser for on the fly translation from French to English. I will be posting my experience with this device as I go along. It should have a 256MB CF card which I can mount as TI Disks. As soon as this arrives and I test it that it is OK I will order the XB 2.7 (The Great Gazoo's software Suite) 12/12/2015 My NanoPeb Finally arrived. Let the fun begin.  

Davvel

Davvel

 

Fixing My TI 99 4A

In my Teens I was the lucky owner of a Beige TI 99/4A which my parents bought me for Christmas (1983). I was thrilled with it and in a few weeks I was writing small games and sharing these with my friends. My Software Developer Career started on that day. 32 years later exactly 6 months ago I joined the local Vintage Computer club and 2 months ago I told them that I would start displaying my TI 99/4A in the shows we do in schools etc... I tried switching it on again but to my dismay a long Ton

Davvel

Davvel

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