Game On! Raspberry Pi Video Game Arcade Machine

RE: Game On! Raspberry Pi Video Game Arcade Machine

Former Member — Wed, 16 Dec 2015 19:14:32 GMT

Awe that... that is beauty right there! I am trying to make something like this but maybe after christmas

RE: Game On! Raspberry Pi Video Game Arcade Machine

Robert Peter Oakes — Mon, 21 Sep 2015 16:40:21 GMT

For completness though, typically the RGB signals and H/V sync are 1V ptp and about 50-75ohm impedence ish. the Monitor will be at best 640*500 or so lines in interlaced mode so quite low res for a PI but in line with many smaller LCD screens

RE: Game On! Raspberry Pi Video Game Arcade Machine

screamingtiger — Mon, 21 Sep 2015 12:39:42 GMT

IMO throw the main circuit board away, as well as the monitor.

Get a cheap LCD and just use a Pi. You may be able to use the power supply but its overkill.

Just my .02. Gut the whole thing and put a Pi and modern LCD in there and run Pi Mame.

RE: Game On! Raspberry Pi Video Game Arcade Machine

spannerspencer — Mon, 21 Sep 2015 09:27:28 GMT

Regarding the control interfacing of the arcade machine, I thought it might be useful to put together a list of required inputs so we can look over the various options with a bit more clarity. Care to join me?

How to Interface Arcade Controls with the Raspberry Pi

RE: Game On! Raspberry Pi Video Game Arcade Machine

mcb1 — Sun, 20 Sep 2015 07:50:16 GMT

[mention:d8b5a813a1e6481d9b41301209fb5392:e9ed411860ed4f2ba0265705b8793d05]

I thought you guys and girls were always busy ...at least that's what you tried to tell Shabaz and I ...

For the joystick you could always resort to the analogue approach ... unless you actually have 8 direction joysticks. ..

You'd still need to use some hardware to convert the analogue to digital, so maybe a simple GPIO extender is the better option.

Mark

RE: Game On! Raspberry Pi Video Game Arcade Machine

Former Member — Fri, 18 Sep 2015 18:57:57 GMT

hey! neat case [View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-7795cb63-e53d-4e2d-b9af-557235e1b1ad/5756.contentimage_5F00_1.png:16:16] I was in Leeds on Wednesday, should have come for a nosey!

Most gpio expanders can be configured as digital inputs and set to send an interrupt signal along a single connection when one of its pins change. (or cheat and mod the control circuit on a game pad lol!)

Looks like there's some fun days ahead

RE: Game On! Raspberry Pi Video Game Arcade Machine

DAB — Thu, 17 Sep 2015 18:13:09 GMT

If I was still into gaming, I would love to tackle a project like this.

As Ben Heck has shown, the creation of a game box is straight forward depending upon the level of complexity that you want to build in.

I will be watching as you all build this thing out, it should be a very fun project to follow.

DAB

RE: Game On! Raspberry Pi Video Game Arcade Machine

Robert Peter Oakes — Thu, 17 Sep 2015 15:45:19 GMT

pretty sure the 15Khz is the Line rate, divide by 625 lines gives you exactly 24 frames * 2 as it is interlaced and you get close to 50 Frames per second (UK TV) (Add a few for blanking and you will probably hit 50Htz exactly)

I used to work with a lot of arcades in the UK years ago and did many an upgrade to them, I dont recall any thta did not use either US or UK standard TV signals, but most also where fed with seperate RGBHV and a few with Composit

so you need to check before jumpting out and getting a frequency converter etc

RE: Game On! Raspberry Pi Video Game Arcade Machine

Robert Peter Oakes — Thu, 17 Sep 2015 15:35:04 GMT

Oh, did I call it or what [View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-7795cb63-e53d-4e2d-b9af-557235e1b1ad/2642.contentimage_5F00_1.png:16:16]

RE: Game On! Raspberry Pi Video Game Arcade Machine

laurens-wuyts — Thu, 17 Sep 2015 14:30:43 GMT

For the controls I would suggest some sort of 5x5 matrix. You'll need 10 pins for all the buttons and joysticks.[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-7795cb63-e53d-4e2d-b9af-557235e1b1ad/0726.contentimage_5F00_1.png:16:16]

For the display you'll need a driver (i think) and hopefully it has HDMI, otherwise a PAL/NTSC input.

Laurens

RE: Game On! Raspberry Pi Video Game Arcade Machine

screamingtiger — Thu, 17 Sep 2015 14:16:35 GMT

I built my own arcade last fall, its in my profile. I considered a Raspberry Pi but the 2 wasn't out yet. I think the 2 will open it up for this type of project since the emulation will be far better!

RE: Game On! Raspberry Pi Video Game Arcade Machine

balearicdynamics — Thu, 17 Sep 2015 13:38:31 GMT

It's a great project Spanner! Also interesting the charity aspect.

Thinking to what are the parts to interface, I have no idea on how to do the video part (but maybe simple and cheap as far as what I know reading other users' blogs). Instead if it maybe useful I have already the schematics and a meaningful part developed to manage the buttons and joysticks with a small shift register input panel. Cost is almost few $ and all works with 5V. Let me know.

Based on what I have experienced with the Raspi until now, one solution maybe using a autonomous board that will cost few $ connected with the Raspberry PI via serial. So all the job of the buttons can be coordinated by a cheap device sending directly a different series of integrated simple strings. Very easy to customise and interface with the Raspberry PI higher level software. Let me know if the idea sounds good and I can proceed with a schematics.

Enrico