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A Winter Project for 2017


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#1 --- Ω --- OFFLINE  

--- Ω ---

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Posted Mon Sep 25, 2017 9:36 AM

Does anyone have any ideas for a winter 2017 project?  

 

It would be nice if we could all make something together for our systems that we could all use that is really nice, unique and even cool.

 

Keeping it under $150.00 would be preferable as more people could participate.



#2 Gip-Gip OFFLINE  

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Posted Mon Sep 25, 2017 10:56 AM

DIY general midi interface?

#3 --- Ω --- OFFLINE  

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Posted Tue Sep 26, 2017 8:31 AM

DIY general midi interface?

 

That could be interesting, but dunno how much effort or programming (by someone else) would be involved to bring that to fruition.  Actually I had in mind something that the average guy could put together at his own pace over the winter months.  Maybe even be on the 'cutting edge' to have it ready for when new goodies start rolling out, but could still use it now to play with, so it's not a waste of money.  Come to think of it, there is only ONE THING that comes to mind at the moment, and that would be something like a joystick variant of Sinphaltimus' 6 Button Gamepad.

 

We could all find and buy new parts and cases (cheaply on Ebay), build them and then use them in the monthly high-score competition.  There are a some nice examples of what people have done with homemade joysticks in this thread starting at around message #22.



#4 Airshack ONLINE  

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Posted Tue Sep 26, 2017 10:24 AM

We'd need a few six-button games too. :)


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#5 --- Ω --- OFFLINE  

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Posted Tue Sep 26, 2017 10:56 AM

Good thing you write games..
HA! ;)

 

** EDIT **

 

Just thinking... existing games like TI-Scramble would feel much different with a second button to use.  As it is right now, a single button fires and bombs... with more buttons... 

 

I wonder what other existing games could be tweaked and/or updated?


Edited by --- Ω ---, Tue Sep 26, 2017 1:24 PM.


#6 Sinphaltimus OFFLINE  

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Posted Tue Sep 26, 2017 1:41 PM

Ha, my project list is so long I dunno what if any I'm going to get to.

1. Low Priority - Mouse - I want to try out my serial mouse with the mouse demo - I think the program is assembly, if so, i don't think I can alter it in any way. I was thinking of a game where you draw a contiguous line and a mirrored line that reverses both or just one exis. The longer you draw the higher the score - game over when the mirrored line crosses your primary one.
2. 6 button games - yeah, I know. Anxiety high on this one.
3. PCB design for 4 cart switcher prototype.
4. Light pen - Want to build one, check out the existing game demo for it and then think of other games I could make for it.


And a slew of household projects and project involving other computers not TI related.



#7 Airshack ONLINE  

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Posted Tue Sep 26, 2017 2:02 PM

Project Idea: TI-99/4A running on Raspberry Pi. Cheap and easy considering a few here have it all worked out.


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#8 Gip-Gip OFFLINE  

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Posted Tue Sep 26, 2017 2:36 PM

 

That could be interesting, but dunno how much effort or programming (by someone else) would be involved to bring that to fruition.  Actually I had in mind something that the average guy could put together at his own pace over the winter months.  Maybe even be on the 'cutting edge' to have it ready for when new goodies start rolling out, but could still use it now to play with, so it's not a waste of money.  Come to think of it, there is only ONE THING that comes to mind at the moment, and that would be something like a joystick variant of Sinphaltimus' 6 Button Gamepad.

 

We could all find and buy new parts and cases (cheaply on Ebay), build them and then use them in the monthly high-score competition.  There are a some nice examples of what people have done with homemade joysticks in this thread starting at around message #22.

 

With the help of an ATMega (or any programmable device, really) it wouldn’t be a problem to implement it (software wise). Hardware would ideally be able to be a few carefully selected components, but I’m no longer a newbie in the field and what may seem easy to me may not seem easy to anyone else

 

I’m thinking a MIDI synth that’s controlled via the cassette interface; you type a specially formatted basic program, save it to CS1, and the midi controller plays the song



#9 --- Ω --- OFFLINE  

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Posted Tue Sep 26, 2017 8:26 PM

[quote name="Airshack" post="3855681" timestamp="1506456154"]

Project Idea: TI-99/4A running on Raspberry Pi. Cheap and easy considering a few here have it all worked out.


Looking forward to TIPI

#10 Sinphaltimus OFFLINE  

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Posted Wed Sep 27, 2017 6:05 AM

Project Idea: TI-99/4A running on Raspberry Pi. Cheap and easy considering a few here have it all worked out.


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Yeah, add that to my list. I have a TI working in retropi thanks to Shift8383 but I haven't actually tried to use it as a TI seeing as it only support ctg files, I'm working with someone else's converted images. I'm unaware if there is support for dsk files or if an extended basic exists in ctg form. Last I read the emulator on the pi converts bin carts to ctg carts on the fly? If that's the case, it shouldn't take much to test and see how useful it would be as a development platform. So glad you volunteered. :)



#11 mr_gw454 OFFLINE  

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Posted Wed Sep 27, 2017 9:58 AM

I have a project I worked on with the RPi3 called "CocoPi3."  It's based on Raspbian and focuses on TRS-80 Color Computer / MC-10 and Dragon emulation.  It does NOT use RetroPie as a base.  I compile the latest version of MAME (0.189 at the time of this message) as a console application (without the need for X windows) so speed is real good.  I also offer XRoar as another emulator for Coco 2 and Dragon emulation.  In addition, I added a ton of development utilities and a menu system.  There's quite a features packed into it.  There are a few places to download it and the documentation:

http://ogsteviestrow.com/coco3/

http://rickadams.org/ronklein/

http://www.roust-it.dk/coco/ronklein/

I have moved the project a bit further and installed my RPi3 into an actual Coco 3 case and make use of a Coco 3 keyboard to USB adapter (via the use of a Teensy 2.0) controller.  Chris Hawks was the original person who did the work and I leveraged it for my project.

In any case, I'm a fan of the TI-99/4a and the Atari 800XL, so I'm thinking of adding support for those 2 platforms as well.  This would need to include development tools, etc.. 

 

Here's a link to some pictures of the RPi3 (with the CocoPi3 distribution) in a Coco 3 case running Coco 3, TI-99/4a and Atari 800XL emulation.

 

https://imgur.com/a/JOruM

 



#12 Sinphaltimus OFFLINE  

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Posted Wed Sep 27, 2017 10:45 AM

I have a project I worked on with the RPi3 called "CocoPi3."  It's based on Raspbian and focuses on TRS-80 Color Computer / MC-10 and Dragon emulation.  It does NOT use RetroPie as a base.  I compile the latest version of MAME (0.189 at the time of this message) as a console application (without the need for X windows) so speed is real good.  I also offer XRoar as another emulator for Coco 2 and Dragon emulation.  In addition, I added a ton of development utilities and a menu system.  There's quite a features packed into it.  There are a few places to download it and the documentation:
*SNIP*

Here's a link to some pictures of the RPi3 (with the CocoPi3 distribution) in a Coco 3 case running Coco 3, TI-99/4a and Atari 800XL emulation.

 

https://imgur.com/a/JOruM

 


OK, this just freaks me out...

uwmNCgD.jpg



#13 mr_gw454 OFFLINE  

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Posted Wed Sep 27, 2017 6:38 PM

Would anyone happen to have a broken TI-99/4a?  I really only need a case and keyboard in good condition.  Might be a possible candidate for a RPi3 transplant (a possible Winter 2017/18 project as per the subject).

 

Thanks!



#14 Gip-Gip OFFLINE  

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Posted Thu Oct 5, 2017 6:38 PM

Being late to the party, how about a semi-low-end oscilloscope attachment? Not only can it be used for legitimate measurements but It would look cool as a music visualizer.



#15 Meddler OFFLINE  

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Posted Fri Oct 6, 2017 10:17 AM

For a Winter project and seeing as you lot are so keen on games then I thought a Pinball table would be a fun HID for the TI99?

 

Flashing lights, sound effects... :)


Edited by Meddler, Fri Oct 6, 2017 10:18 AM.





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