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TI99/4a Joystick Adapter (with 3D printed housing) and a FlashROM 99 Installation

  Apologies for the delay with this entry; varied reasons include school holidays, two birthdays and some minor repairs of some retro console birthday gifts! Please feel free to use my PCB and 3D printed housing designs found on my Github and Thingiverse should you wish to make your own joystick adapter. Here is the TI994a working with the FlashRom99 and my Joystick Adapter circuit. Here are all the components required for this mod. The gerber files for my PCB design can be found on my Github. https://github.com/Alleged-Geek/TI99-4a-Joystick-Adapter/   And you are looking for the zip file named below if you are going to send the gerber file off to be manufactured. ti99-4a-adapter_2022-07-27.zip   My github also contains stl files for printing the housing.   And here is my version of the schematic diagram. You will need 10 X IN4148 signal diodes which can be found on eBay. 1 X DB9 D-SUB 9 Pin Female connector, again found on eBay. 2 X DB9 D-SUB 9 Pin Male connector al...
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Welcome

 

Hi there and welcome to the mutterings and ramblings of a self confessed retro console geek.

 

 

 

 

The main purpose for this blog/site is to try and help all my fellow retro console enthusiasts with my experiences in repairing and modifying old computer gaming equipment.


My love for collecting retro consoles came about in a very unexpected manner; I was on holiday with all of my family at Butlins in Ayr (yes that was a very long time ago!) and we went to a car boot sale (strange thing to do on holiday I know but there wasn’t anything like it at all in Aberdeen at the time) and I picked up a Sega Mega Drive (first model) with a couple of games for the princely sum of £5. As I had a young family at the time pennies were tight but I loved that old console and still have it to this date!


It was many, many years later when I decided to build on my collection… fast forward about 20 years or so in truth. With time on my hands I started picking up cheap ones from ebay… broken/working it didn’t really matter as most of the thrill I get from collecting is the restoring and repairing of them.

Without the aid of the internet a fair proportion of my consoles would be in a land fill! Many thanks to all of the sites out there who have aided me in the past and in the future. With that in mind, please feel free to email me at alleged_geek@aol.com if you have any questions/queries or simply want a bit of advice.


I plan to go over each console in turn and share my experiences with you.

 



 

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Location: Aberdeen, UK

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