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Everything posted by fabrizio
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HAM-Radio TI-99/4A - HAM Radio (Hamsoft/Kantronics/MFJ Enterprises)
fabrizio replied to Schmitzi's topic in TI-99/4A Computers
do you have the schematic of this 15 pins connector? -
do you have the schematic of this cable ?
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I use a ti 99 as a forklift to do some tests, for the micro I used a socket with a tulip pin, but if I find a zero insertion socket I try it ... As for the TMS9929 I bought 10 in china, they work everyone, incredible. While the first 5 purchased some time ago, only 1 worked ....
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To test the tms9929, I use the ti99 with a zero insertion socket.
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I think that's just the problem, but I also have too old paper is yellowed, I would like to try new paper.
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Greatest
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It may not be a connector problem but a control circuit problem ... The eprom could be faulty..
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Thanks to the schematic I repaired mine, it had a faulty uln2003. Simple enough since it drives the engine, now the problem is that it doesn't print well in the center, only by pressing lightly I can print. Wonder if anyone had the same problem ...
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Grazie mille.
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Parallel Port Interfacing Using Extended Basic On The TI 99/4A Computer
fabrizio commented on Vorticon's blog entry in Vorticon's Blog
This information is very important for any projects I have in mind using the parallel port. I cant find the disk image.- 11 comments
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- ti 99/4a
- parallel port
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(and 1 more)
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Parallel Port Interfacing Using Extended Basic On The TI 99/4A Computer
fabrizio commented on Vorticon's blog entry in Vorticon's Blog
This information is very important for any projects I have in mind using the parallel port.- 11 comments
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- ti 99/4a
- parallel port
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(and 1 more)
Tagged with:
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Wireless weather station managed by the TI 99/4A - Final
fabrizio commented on Vorticon's blog entry in Vorticon's Blog
congratulations, a beautiful project! -
Meet the SN76477/76488, our sound chip's older stepbrother
fabrizio replied to FarmerPotato's topic in TI-99/4A Computers
congratulations for the whole description, many years ago I used this chip to produce games, to be used in schools, where some autistic children have played with fun. -
Incredible...
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TI-99 Photos Thread! Post your systems here!
fabrizio replied to slinkeey's topic in TI-99/4A Computers
hi i am looking for the ppc interface for hard disk and expansion for the graphic interface. if there is someone who has something to sell, contact me. -
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SOLVED: Which TI cartridges best for repurposing for EPROMs?
fabrizio replied to OLD CS1's topic in TI-99/4A Computers
Hi, we have reproduced some of them, to show in the events especially in schools, they use the image files for the eprom 27512 that you find here on atariage. Merry Christmas! -
Having a spare power supply with recent components is in our projects, in fact we are working on it, if you have ideas to integrate they are welcome. In the events we do in schools we use a jamma video game power supply.
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I agree with you, I also hope that they go into the hands that they can repair and revive, but there are people who unfortunately are not satisfied with just one rare piece .....
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Does anyone know the way to solve the joystick problem with the raspberry emulator? The joystick only works towards left and right and does not work up and down ... Grazie
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Let's get for the battles.....
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The arrangement of the components is excellent, how long did you use to optimize the components on the pcb? Another thing about the pcb, does it have 2 layers or more?
