PC Engine 6 button controller

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pbj:
I have a Fluke multimeter and THAT IS IT. :lol

Been out of town this week, I'll dink around with this some more in the next few days. I am borderline tempted to buy a PC Engine and have it sent to you. All reason has left the building on this quest. :lol

They're not all that expensive, though, and the flashcart will set you back about $30 USD.

:dunno

mourix:
I'll leave it up to you, haha. This is a bit of fun for me too so I don't mind ordering some PCB's as well.

My problem is PC engines being incredibly rare in The Netherlands so I'd have to import one from Japan which means big dollars.

Malenko:
https://www.ebay.com/itm/385894281500

$125 free shipping and it comes with a game.

lilshawn:

--- Quote from: mourix on August 15, 2023, 09:44:38 am ---I'll leave it up to you, haha. This is a bit of fun for me too so I don't mind ordering some PCB's as well.

My problem is PC engines being incredibly rare in The Netherlands so I'd have to import one from Japan which means big dollars.

--- End quote ---

videogames are quite the opposite in japan. the market is so saturated with used games and systems that they can be had so so SOOOO cheap. there are shops where you can literally buy used snes games loose for under 1000 yen (about 6 bucks USD) each.

i can find tons of copies of the Japanese version of banjo kazooie for just over 10 bucks WITH free shipping. same game, north America version is topping 60 with shipping on top of that. call it 80.

hit up ebay. you can get pc engine... japan console... with controller and power supply with everything tested guaranteed working... 100 bucks.

NA "turbographics 16" system seller... untested, only console. nothing but the system so... probably broken and needs repair... for 250 with the shipping on top of that. (depending where you are could be about 50 bucks more.)

even with netherland bucks conversion, japanese consoles are still dirt cheap.

pbj:
Well, TG16 was dead on arrival in the US, so it's going to be QMG LQQK R@RE no matter what you do. That being said, my last several systems (SNES, Saturn, Dreamcast, Neo Geo, Neo Geo CD, PC Engine) have all been Japanese because nowadays it doesn't make any difference and they were a lot cheaper. I wasn't really impressed with my experience using a Yahoo Auctions Japan broker. Buyee? Some BS like that. I bought a bunch of PC Engine stuff and they pulled something like $350 out of my bank account for shipping without approval. After my bank dealt with that fraudulent behavior it was all "forgiveness please, we can ship it FedEx for $80." I hope they're enjoying that pallet of PC Engines in their warehouse.

I just stick to ebay these days. Same sellers and auctions anyway.

Back on topic - I put a 100pf (type 101) capacitor on pin 11 of U1 and connected it over to Vcc on pin 16 of the same chip. This has definitely improved the behavior. In 3 button mode, I can use it to start up and play a CD game correctly (previously it was slamming select over and over and trying to delete my internal memory).

So, I figured what the heck and I tried a 0.1uF (type 104) capacitor across those same pins and now it's back to strange behavior. I can get it to spit out select and run inputs and that's about it.

Then I tried a 220 Ohm resistor between pins 11 and 16. It's back to the same behavior as if there's nothing there.

So I think I'm going along the right lines here..?

:dunno

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