Repairing a 1982 Williams JOUST Arcade Game - Why Is the Screen Upside Down?????

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4 окт 2024

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Комментарии : 352

@LyonsArcade 4 года назад

Buy an inexpensive set of monitor adjustment tools here: amzn.to/2u39J1M ANYTHING! you buy on Amazon after clicking that link doesn't raise your prices but gives us a referral tip, thank you!

@Tecnolock 4 года назад

The fact that you are diagnosing these issues live on camera, and showing the thought process is really amazing to me. I have pre diagnose the issue and pretend to troubleshoot every video I put out. Thank you for sharing your fantastic diagnostic work!!!

@LyonsArcade 4 года назад

You know how it is, when you figure out the problem it's so fun, I try to share in the fun with the viewers if I can, it's hard to do though like you mentioned... thanks for watching Tecnolock, we appreciate it!

@Dave_Boyer 4 года назад

Man, I love that game. I remember when it came out. I had a really nice Joust in my collection, and a Robotron. Awesome video, brought back lots of memories of fixing these machines.

@LyonsArcade 4 года назад

Thanks for watching Dave, see you on the next video!

@MrRjsnowden 4 года назад

I can't stop watching these repair videos!!

@LyonsArcade 4 года назад

Glad you enjoy them!

@augustaking8 7 месяцев назад

Piggy-backing a chip is one of the slickest tricks I've seen in a long time.

@mdouglaswray 3 года назад

Beautiful diagnostic technique! Efficient and elegant!

@LyonsArcade 3 года назад

Thank you for the nice comments Doug, I appreciate that!

@njsurf1973 3 года назад

This was my absolute favorite arcade game. If I was going to buy an arcade game... This would be the one!

@LyonsArcade 3 года назад

Yeah it's very well made in my opinion. Everything from the visuals to the idea to the sounds....

@StoneUSA 2 года назад

Ron the more I watch your videos the more I doubt that there are people "much much much" more talented than you. We all stand on the backs of the giants, and you sir are growing up. Well done.

@LyonsArcade 2 года назад

There's plenty of people better at it than me, just read the comments :)

@brianr987 4 года назад

Beautiful cabinet. One of my favorite games. Anything Williams.

@LyonsArcade 4 года назад

Yeah they really did a number on the design of their artwork, looks fantastic!

@evtyler 3 года назад

I LOVE watching classic arcade games! Better than anything on TV these days.

@LyonsArcade 3 года назад

Thank you for watching Eric!

@DavidR-ub2dp 3 года назад

I enjoyed watching you play just Ron pure arcade goodness

@LyonsArcade 3 года назад

Thanks David we appreciate you hanging out with us!

@cheezst8ke 3 года назад

another game I played a lot back in the 80s when I was younger. I loved playing it.

@StoneUSA 2 года назад

One of my all time favorites. If it I had just been shuffled off the Gauntlet machine I'd play Joust.

@Codeaholic1 4 года назад

I believe it's because they're using 8 bits to represent the color space and subdividing it in to 3 bits, 3 bits and 2 bits, (3 + 3 + 2 == 8). This gives you 2^3 (8) values for green and red but only 4 for blue for a total of 256 colors. This ends up being acceptable because our eyes are far more sensitive to green and red than they are to blue light.

@LyonsArcade 4 года назад

Somebody else mentioned that Trey, that makes perfect sense, thank you. I don't know enough about programming to understand how the bits are used so it didn't appear to me but I think you're right :)

@Codeaholic1 4 года назад

Thanks! I love your videos. They're usually a nostalgia blast. Good work finding that pesky failed shift register. Watching you play Joust reminded me of playing Killer Queen in Chicago. Look it up.

@HouseGurke 4 года назад

applied computer science student here, Trey Dempsey is 100% right.

@HenryLoenwind 4 года назад

@@LyonsArcade Only thing to know here is that bits are (unless you have really exotic hardware) always handled in groups of 8...the famous "byte". Just like the cents you put into those machines are put into groups of 25. Using 9 bits for color would be the same as having one game cost 26 cents. Possible, but what an effort!

@TurnFullCircle 4 года назад

It’s so good to see these classic games/machine still working ...Cheers!

@LyonsArcade 4 года назад

Thanks for watching Chris, we're saving all of them 1 at a time :)

@csufjeff 3 года назад

Nice slam dunk on the troubleshooting...Cheers Jeff

@LyonsArcade 3 года назад

Thank you Jeff, this one made a nice clear cut video I was happy with that :)

@nomusicrc 4 года назад

Glad to see people are still fixing old arcade games there was a shop by me but of course they closed it kills me when people say plugged up instead of plugged in a toilet gets plugged up anyways thumbs up for the video

@LyonsArcade 4 года назад

Toilets plug down power plugs up to the pole above the building :)

@nomusicrc 4 года назад

Joe's Classic Video Games never heard anyone say my 🚽 is plugged down lol do you say cut it on or turn it on

@Raycefan 4 года назад

Just found this channel last week. You, sir, are doing Gods work for my/our generation. These classic arcade games were what we pumped countless quarters into when pong, the Atari 2600, and the Bally’s system were the only home gaming systems available. Rooms in the mall, full of these cabinet style games, called ‘Arcades’ are sadly a thing of the past. Unless your go to Dave & Busters or a Chuck E. Cheese, you likely won’t find these diamonds and classics of days gone by. Kudos to those who are involved in the revival of the arcade and it’s games and major kudos to those like you who maintain these aging gems. Joust was always one of my favorites. Keep these videos coming.

@LyonsArcade 4 года назад

More videos coming soon Raycefan, see you on the next one!

@Dark_eVader 4 года назад

Joust is one of my all time favorite arcade games even though I was pretty bad at it. I really like the way you analyzed the problem and narrowed it down by switching to cabinet mode. I give you my hand. 👏👏👏👏👏

@LyonsArcade 4 года назад

Thanks Gabz!

@mikeypops73 4 года назад

Take a drink every time he says "cocktail mode" pun intended.

@LyonsArcade 4 года назад

I love a good drinking game, but I only drink Root Beer.

@Wrathgir 4 года назад

Ahh one of my favorite games. So awesome you figured out what the problem was. Watching these videos is always interesting to me. Granted I never repaired a arcade cabinet, just it's fun to see how all of the games work.

@LyonsArcade 4 года назад

Thank you for watching, we appreciate it!

@CHINASAUR 4 года назад

Your videos are like an arcade school!!! Super educational & I really enjoy watching them :)

@LyonsArcade 4 года назад

Thanks Chinasaur, we appreciate you watching :)

@brianeastman3547 10 дней назад

My favorite video game of all time 😅😊keep up the good work man

@JohnSmith-eq2tf 4 года назад

Anazing artwork. You are doing a great service to society. I enjoyed watching the game play too.

@5roundsrapid263 4 года назад

I looked at the thumbnail and thought “What game is ‘2snor’”? 😄

@LyonsArcade 4 года назад

I got you to click :)

@brunster64 4 года назад

Used to love the sounds on the Williams machines - Joust, Defender and Robotron

@LyonsArcade 4 года назад

Yeah they had the best sound!

@sporehux8344 4 года назад

Keep the Videos coming, the Member Berries are potent.

@LyonsArcade 4 года назад

Another new one tomorrow :)

@billmcdonald2436 3 года назад

That’s solid troubleshooting techniques right there

@LyonsArcade 3 года назад

We try to make it step by step so my brain can follow it :) Thanks again Bill!

@wildernessgames 4 года назад

Bummer they replaced the original Power Supply. Nice job working logically through the schematics. Wow man, interesting technique overlapping the chip, love it. Good stuff, be well. -Mitch

@LyonsArcade 4 года назад

I agree, the crazy thing is we fixed the original power supply last time (it must have failed again, or at least they thought it did). Those Williams Power supplies are very reliable in my opinion. Thanks for watching Mitch, we'll see you next time!

@melanatedprose9134 4 года назад

Joust is one of my top 10 favorite old school arcade games. Jousting with flying ostriches and dinosaurs and getting eggs. I wonder what the intial reaction was from the guy who brought this idea to his boss. I enjoy these fix it videos, I'm amazed by your technical talent and your ability to figure out schematics and such. Great and educational video and hopefully you'll do a similar fix it video with an original Punchout arcade game. Keep these awesome videos coming!

@LyonsArcade 4 года назад

We may do a punchout in the future, I have a gameboard here and a cabinet I just need to put it all together. The gameboard already works though, but maybe it'll break, LOL

@melanatedprose9134 4 года назад

@@LyonsArcade I just hope that maybe becomes a yes. Of course you all have to put "top priorities" for your business on the frontburner. It's all good regardless. I also like this channel because your sense of humor and personality is conveyed during the videos.

@furrysentinel2481 3 года назад

I remember the greatest fun my friends and I had with a table top version at a bar in Berkeley. We loved this place and it's atmosphere.

@LyonsArcade 3 года назад

Thank you for watching Space Cookies!

@thenudebrewer7466 4 года назад

You know the REALLY interesting thing? Joust shouldn't even have a cocktail mode! When you play with 2 players, you don't take turns-- you play at the same time, with the same screen orientation. The cocktail versions were table tops (instead of upright cabinets) with the players facing each other. The screen would change orientation based on whose turn it was. But in Joust, both players play at the same time! So that's an awesome troubleshooting trick... but why is it even there to begin with?? lol

@LyonsArcade 4 года назад

You are the first person to notice that :) I thought about that shortly after I finished the video... as you may be aware the boardset for Joust is the same as some of the other Williams games, so all that circuitry on this particular title was completely redundant and unused.

@retardant8039 4 года назад

it was probably replaced a long time ago with a cocktail system interior.

@gotmilkforme 4 года назад

Joe's Classic Video Games Back in the day, producing circuit boards were extremely expensive, so they designed motherboard/daughterboard combos. The motherboard handled the video output and the daughterboard the game logic. Instead of designing and manufacturing a monolithic board to handle everything, they made generic motherboards to handle the basics and made the daughterboards to handle the individual game specific logic. Daughterboards tended to be much smaller and thus less expensive even in lower volumes.

@j.m.ratkos5319 3 года назад

I believe that the reason that joust has a cocktail mode is that the monitor is oriented 180° to accommodate the position of the chassis vs. how the monitor is set up in an upright. it has nothing to do with the screen flipping 180° between player turns (as was already pointed out that both players play at the same time.

@MukYJ 3 года назад

Something else that is cool for me is that unless someone else has done that same test before, that’s the first time the B chips have ever been used in the cabinet’s nearly 40 year history. They have just been sitting there idly waiting for their chance to do what they were made to do.

@Arcadehollywood 4 года назад

Keeping the classic gaming experience alive!

@LyonsArcade 4 года назад

Trying to :)

@BronzedTube 4 года назад

You taught me something in a chill way, thank you. Subbed.

@LyonsArcade 4 года назад

Nice, thanks for watching Shawn and we'll see you on the next video!

@jamieturnage4574 4 года назад

i played that same game in the arcades in the 1980s and defender 1 and 2 it was fun the old games are the best it takes skill to beat them.

@LyonsArcade 4 года назад

Definitely! I've seen some folks play Defender that really knew what they were doing... incredibly tough game.

@jamieturnage4574 4 года назад

@@LyonsArcade in the 1980s i played it so much i had ships lined up all the way across the screen .my high score i estemated to be around 34 million but every time i got to 1 million the score would go back to zero .defender 2 was even better you could warp .i remember playing over 8 hours or more off one quater. my friend would take over if i needed a rest and a bathroom break.it wore me out but it was so much fun to play back then i loved this game

@brianr987 4 года назад

Nice diagnosis!

@LyonsArcade 4 года назад

Thanks Brian, I was glad to figure it out on tape :)

@brianr987 4 года назад

I look forward to more. Retro games inspired me 40 years ago. I still love them. Good luck!

@LyonsArcade 4 года назад

More coming soon!

@johnabbottphotography 4 года назад

I never would have thought of piggybacking chips in a million years to test them. Thank you.

@LyonsArcade 4 года назад

Old-school trick, it doesn't always work though... as you can imagine if the fault in the chip is a short, when you piggyback it the short is still there.... if the fault though has blown open it'll fix it....

@johnabbottphotography 4 года назад

@@LyonsArcade Understood completely. And I imagine while this mostly works with logic chips, it wouldn't work the same with an analog chip. Yes?

@Duh6666666 4 года назад

I loved this game!

@LyonsArcade 4 года назад

Me too!

@rodmandealerman3297 4 года назад

Hey, he's gonna sit by you! Another one rides the bus! Weird Al, a personal hero! We loved playing this back in the day. We also discovered that you can kill the pterodactyl by shoving your weapon right down his throat (1000 pts?). When certain levels begin, you can stand on a platform, and he'll fly right into it. Doesn't always work though... Great installment Ron, many thanks!

@LyonsArcade 4 года назад

the "doesn't always work" part is the part that scares me :) Such a ferocious enemy :) Thanks again for watching RodMan we appreciate it!

@talismanskulls2857 Год назад

This was one of my favorites!

@curiousottman 4 года назад

One time I opened up my Joust and found 3 cigarette butts inside the cabinet from 1983.

@LyonsArcade 4 года назад

Did you save them? :)

@curiousottman 4 года назад

Joe's Classic Video Games : I did not. However my Joust still has an ashtray screwed onto it from back when it was in the arcade in 83 to 86. Can’t have those hot tips ruining the game controls!

@bperkins 4 года назад

My Second favorite game - great repair job. I love watching your videos as I've said many times.. I'd love to find a fixer-upper Joust.

@LyonsArcade 4 года назад

Thanks for watching Bob, we appreciate it!

@saskia6750 4 года назад

well done guys...you busted that 1 very quickly !!! :) x thank you for taking the time to film this for us xx

@LyonsArcade 4 года назад

Thanks for watching Hope, we appreciate it!

@saskia6750 4 года назад

@@LyonsArcade a pleasure as always x

@Mr_Joseph979 4 года назад

I fix pc and laptop mobos. I'm so glad I wasn't doing that back when these games were out. The people that designed those games were geniuses. Not to take away from them fitting these games on a few thousand lines of code now. Had I been into fixing those games back then I would be a billionaire today. I'm loving your videos as I'm able to look back at the past in a different perspective. Subbed

@LyonsArcade 4 года назад

Thanks Joseph, we appreciate you coming along for the ride! See you on the next video man!

@Sarklord 4 года назад

“You shall prove your worth by facing me in a joust!”

@billmcdonald2436 3 года назад

I have been trying to find a multicade that has this game. So far no luck. I’ve always liked this one.

@LyonsArcade 3 года назад

They made a "19 in 1" board awhile back that had it on it... it was a little chinese board but played all the Williams games pretty good. Thank you for watching Bill!

@StoneUSA 2 года назад

Please please! post back here if you find it. I like the Jamma builds but the games aren't often well curated.

@ItsaRomethingeveryday 4 года назад

I'm glad I have working knowledge of what you were doing here, otherwise it would have been totally confusing, Liked vid, Have a Great day!!!

@LyonsArcade 4 года назад

I try to make it simple to follow because that's kind of how I think it through in my head.... thanks for watching, we'll see you on the next video Rome!

@ItsaRomethingeveryday 4 года назад

@@LyonsArcade Good Up, I'll be sure to catch your next vid

@robertbernhardt9228 4 года назад

Interesting Battery Mod. This is bringing back memories!

@LyonsArcade 4 года назад

That's what we're going for :)

@robertbernhardt9228 4 года назад

@@LyonsArcade You know, on board AA Batteries were not the brightest idea. I mean, a little foreknowledge of the fact that they leak and cause all kind of corrosion issues. And then the Battery Clip that Williams used would not hold up to that corrosion and fall apart. FYI, I have been in the Gig since 1989. Lots of fun. SALUTES

@LyonsArcade 4 года назад

Yeah I think it came down to they didn't care if it lasted. They wanted people to throw them away after a year and buy another one!

@3vi1J 4 года назад

Good job troubleshooting!

@LyonsArcade 4 года назад

Thanks Evil J We appreciate it... and by the way, you're not so bad. Maybe "immoral" but I wouldn't call you evil :) Thanks man see you next time

@neil1637 4 года назад

Just brilliant. You down play this fix, but I think it is excellent. Logical trouble shooting paired with schematic understanding. Boom! Top game too.

@LyonsArcade 4 года назад

Thanks Neil, we appreciate you watching. See you on the next fix!

@pezjohnson 4 года назад

I noticed when you had it in cocktail mode the demo ostrich disappears about halfway up the screen. At about 12:22. Nice fix!

@LyonsArcade 4 года назад

Whoa! I didn't notice that. Wonder if it still has that fault?

@jamesrbrindle 4 года назад

Good fix

@LyonsArcade 4 года назад

Thanks James!

@dewaynescott5114 4 года назад

Thank you for sharing.

@LyonsArcade 4 года назад

Thank you Dewayne for watching!

@leestaton1697 4 года назад

awsome channel joe

@LyonsArcade 4 года назад

Thanks for watching Lee, we'll see you on the next video!

@RDJ134 4 года назад

Found this channel last night, great video's so subbed :)

@LyonsArcade 4 года назад

Thanks RDJ, we appreciate you watching!

@vogmar1 4 года назад

I misdiagnosed the problem... I thought the cabinet was upside down.

@LyonsArcade 4 года назад

That would have been too easy :)

@katenunyabizness9221 4 года назад

I figured it was the Australian version...

@ChrisCromwellHP 4 года назад

One of the things that impressed me the most, from mid 1982, going well into 1983, was the incredible jump up into the chip and coding technology of these arcade games. Especially how incredibly well they put out the high quality sound and full color graphic screen; even colored text! I never really saw a computer display that before then. I always wanted to see the huge logic board of these games, and wonder what each chip did. It was like living Tron in real life!

@LyonsArcade 4 года назад

I was very small then so I didn't experience it but yeah a lot of folks playing modern games don't know about a time when the arcade games were so much more advanced than the home systems. They could do incredible things and the only way to play them was in the arcades!

@ChrisCromwellHP 4 года назад

@@LyonsArcade, exactly! I was 11, 12, 13 from 1982-84. All I knew back then was the Atari 2600 and the Apple 2E at school. When I did make it to the huge arcade places, I was blown away each time with the advancements in the logic board chips and coding. Getting the very most that you could, from such little RAM and Video space. I usually stuck with the Pac Man, Mrs. Pac Man, Donkey Kong, Pole Position games other similar games. Even better was the New Wave Music that went with the Arcade games back then.

@ChrisCromwellHP 4 года назад

Any chance I could buy an official Mrs. Pac Man Arcade game from you, real cheap? My wife loved that game back then.

@lascheque 4 года назад

After watching your videos I feel entertained and educated. This is a good thing. A sunny island within a sea of RU-vid dumbness. Thanks, man.

@LyonsArcade 4 года назад

Thank you Lascheque, that's nice of you to say :)

@Floattersintheeye 4 года назад

The arcade version looks way better then the home version from atari, very cool once again 👍👍👍

@LyonsArcade 4 года назад

Up until about Playstation 1, all the arcade stuff was better :)

@arlasoft 4 года назад

Minge's Printing Company? You definitely could not use that name in the UK! :D

@LyonsArcade 4 года назад

There's a local gentleman who owns that company, everytime he comes by he keeps me stocked up with notepads :)

@optimumamoeba3308 4 года назад

@@xyrzmxyzptlk1186 Yes you're on the right track, I was curious to know if it had the same meaning in the U.S. as the U.K. Sounds like some kind of old school vajazzle shop.

@optimumamoeba3308 4 года назад

@@xyrzmxyzptlk1186 I'm guessing we've found another British word, google it but please be careful where you do it. :)

@5roundsrapid263 4 года назад

Is his wife named Fanny? 😁

@MattyEngland 4 года назад

😂 Minge printing company. 😂

@vyr01 4 года назад

OSTRICHES! love this game

@LyonsArcade 4 года назад

I know, who in the world would even think of that? Crazy game!

@Skeemaster 4 года назад

Another job well done! Awesome!!!! Always get hyped when I see you got a new vid up LOL =)

@LyonsArcade 4 года назад

Thanks again man!

@SomeCanine Месяц назад

"This chip sounds a little different than the others" My man, you have the nose for this thing.

@bobrobert319 4 года назад

👏👏👏👏👏Cool video.

@LyonsArcade 4 года назад

Thanks Bob Robert! See you on the next one!

@Groome007 4 года назад

Joe (Ron?) always makes this stuff look easy. :)

@LyonsArcade 4 года назад

I delete all the hard stuff!

@Chris-op7yt 4 года назад

a popular arcade for a while in early 80s was PopEye.

@LyonsArcade 4 года назад

Yes that was a great game Chris! We've got a video of one here on our channel somewhere...

@user-qr7ee2cp4y 4 года назад

Spent many a quarter on joust, Popeyes, and robotron. All awesome games.

@kendallreed1711 3 года назад

Sweet troubleshooting hack piggybacking a chip

@LyonsArcade 3 года назад

Thank you for watching, Kendall!

@Bill23799 4 года назад

This was a really cool game.

@LyonsArcade 4 года назад

Yeah it's got a real cool vibe to it, very creative.

@flightofapaullo72 4 года назад

👌Well done!

@LyonsArcade 4 года назад

Thanks Silly Sausage, we appreciate you always watching :)

@heartland96a 4 года назад

For giggles you can get a cheap infer red thermometer from harbor freight for example to scan component a if your looking for hot spots on electrical parts , just a suggestion.

@LyonsArcade 4 года назад

That's a good idea!

@Lierofox 3 года назад

*looks at the video's thumbnail* Me: Ahh, yes. The classic arcade game: 2snor

@LyonsArcade 3 года назад

I did that on purpose :) Thank you for watching Lierofox!

@Lierofox 3 года назад

@@LyonsArcade I got a little giggle out of it, even if I did arrive to this video pretty late. Thanks for the uploads!

@abcdefghi2175 4 года назад

its funny how someone so very very smart can like playing video games

@LyonsArcade 4 года назад

Nothing wrong with playing video games :)

@kenneth6731 4 года назад

If I had all the quarters back I pumped into that game (and Robotron) I could buy a yacht.

@LyonsArcade 4 года назад

Or an Ostrich!

@BrianWelch1 4 года назад

I would have just left it in cocktail mode and physically flipped the screen over.

@forevercomputing 4 года назад

It might have been mirrored as well. I believe in the days, a mirror was used and you were looking at that.

@robertatkinson6864 4 года назад

@@forevercomputing Have you ever seen a cocktail arcade table? They didn't use mirrors in Cocktail mode. The screen just flipped for the player on either side of the table.

@MoneGetsIt 4 года назад

Big brain gamer move!

@pauljs75 4 года назад

@@robertatkinson6864 There were some cabinets that used a reflector for the screen, and had the display inside facing upwards. Maybe a different thing, but I've seen those before too.

@megamanfan3 4 года назад

It should be noted that Joust was the inspiration behind Balloon Fight.

@LyonsArcade 4 года назад

Both cool games :)

@Maniac536 4 года назад

RIP Mr Iwata

@Mike-B-Jackson 3 года назад

A+!

@markushavers2283 Год назад

The 74166 are shift registers. They are often used to make a data bus of x bits into a serial signal. The red lines are vertical. So i think there are some bit regiters in one chip ar permanet hi or low and are shifted over to the serial signal.

@chuckpatten7855 4 года назад

It was common practice for service techs that are called out to fix a problem and then quote more than the customer is willing to pay to rotate the yoke 180 deg. When the customer refuses.

@LyonsArcade 4 года назад

I'd never heard of that, that's pretty crazy!

@chuckpatten7855 4 года назад

@@LyonsArcade yeah, some folks realized that to troubleshoot the problem the tech actually had to fix it and started telling their pals and all of a sudden tech weren't getting paid and were out the cost of the parts used. Slimeball customers.

@DavidR-ub2dp 3 года назад

I played this when I was 10 in 1982

@LyonsArcade 3 года назад

Very cool!

@PhilReynoldsLondonGeek 4 года назад

I initially guessed deflection coils plugged in the wrong way round... interesting that it's for a "not needed" cocktail mode.

@LyonsArcade 4 года назад

Good guess, it was a trick question... it's upside down because I did it on purpose :)

@joetripp123 2 года назад

Forcing that into cocktail mode is brilliant and your troubleshooting skills to find the problem chip are great as always. And that piggy backing chip trick is awesome. Question though - couldn't you have just permanently jumpered it into cocktail mode and flipped the monitor over? Or does the monitor only go in one way? For someone who might not have the skills you do at chip replacement that could be a solution.

@Wildfire86872 4 года назад

The lines made it look like an NES cartridge of the game that has dirty contacts

@LyonsArcade 4 года назад

Yeah it did look just like that! Sometimes on the NES you can push the cartridge over slightly while it's on and the lines go away :)

@chrismayer3919 4 года назад

And so, another vidgame is saved; thanks to... THE CLASSIC GAME JOE!

@LyonsArcade 4 года назад

Thanks Chris!

@silverXI22 4 года назад

*there was this restaurant that had a original midway ms pac-man arcade cabnet and the screen would be normal on the insert coin screen but when you start a game it plays upside down*

@Ukpinball1 4 года назад

Great video again Joe! Can u teach me your knowledge of how to fix arcades

@LyonsArcade 4 года назад

Yes I can, just keep watching :)

@RogueA.I. 2 года назад

When you were 12 years old you didn’t think twice but as an adult you think, those dudes at Williams must have been on shrooms when they came up with this one.

@jamesperrett1887 4 года назад

Why only 3 red 3 green 2 blue.. Simple 8bits per byte so with only 8 bits if 3 bits per colour 9 bits total hence we have to drop some colours and blue gets short changed

@tonypitsacota2513 3 года назад

I'm guessing you toggle pin 1 of that 74257 to select the opposite bank to place it in cocktail mode?

@tw0469 4 года назад

Awesome video! :D

@LyonsArcade 4 года назад

Thanks Tim, we appreciate you watching!

@Reality_Checkmate 13 дней назад

👍Genius.

@musclesmouse Год назад

Went into cocktail mode. Looks like you put it into cocktail mode. I was bored once and played pterry challenge mode. I waited until pterry came and went pterry hunting

@stphinkle 10 месяцев назад

I think the reason for only 2 blue lines is maybe that the computer uses an 8-bit bus and this is a 256 color palette game.

@robj7481 4 года назад

That boot pattern is called a “rug test” and if no VRAM errors are found, it’s often a memory addressing problem, because even if the game does a “data write pattern test”, it will report “no problems” because the CPU doesn’t know its writing/accessing the same memory locations instead of writing the entire RAM. The same is not true for the EPROMS because the CRC will be incorrect. It’s not a good idea to “piggyback” chips because if one is functioning correctly and the other is not, you can potentially short the output transistors in the IC. This only applies to “totem pole” outputs, not open collector. When the screen was flipped upside down, in a pinch, you can always reverse the 4 wires on the CRT’s deflection yoke (swap X and swap Y) to flip it right side up and leave it that way hehehe (poor man’s fix)

@LyonsArcade 4 года назад

Thanks for the info, Rick!

@midnitepagan9118 4 года назад

This was my favourite game in the arcades when i was 11. lol

@LyonsArcade 4 года назад

Something about flying ostriches!

@thegenerousdegenerate9395 4 года назад

Shhh... You're dating yourself.

@dirkflannigan5271 4 года назад

Why only 2 blue resistors? Human eyes aren't as sensitive to blue light. You only have 8 bits to split between 3 colors, so blue gets the short end. Thats my answer.

@LyonsArcade 4 года назад

You're probably right! That makes a lot of sense.

@5roundsrapid263 4 года назад

That’s how video compression works, too. It often has less bandwidth for blue, especially on older formats.

@georgeshelton6281 Год назад

I sense foul play going on. It's hard/tough to believe that something else malfunctions. The schematics tell us what it's supposed to have on the PC board components. I understand that there are certain components that need to be replaced/restored. Sure, it's right after you've fixed it. Make sure it functions correctly. 🖥 💻 🖥

@Sonny_McMacsson 4 года назад

The 74LS374 is part of a cheesy discrete video DAC to output 3:3:2 RGB (256 colors).

@LyonsArcade 4 года назад

People have been cluing me in on it....

@berniemedina7127 2 года назад

Please set up shop in Florida luv u guys

@MattMcIrvin 4 года назад

Some particularly fancy troubleshooting here... Does this mean that the other four shift registers are normally completely unused on the upright? Could they be spares? Not that those chips are particularly rare, I suppose...

@LyonsArcade 4 года назад

Yes, that's correct, you could take all 4 of them off the board with no issues on the upright. They're inexpensive and they make them new, but you may end up in a situation where you don't have one available and have this fault, so you could rob one from the other side and get it back up and going again!

@MattMcIrvin 4 года назад

@@dangermartin69 You know, that's a good point. I looked it up and there were Joust cocktail units--but to support the coop gameplay, they had both of the player controls on one side of the table! So there would be no need to invert the display at all, and those chips have absolutely no regular function on a Joust.

@billwilliams6338 4 года назад

JOES CLASSIC VIDEO GAME, what was the Shift register used for? what the shift register shifting the data buss data of the RAM chip data or the ROM chips data? Because it looks like there was a lot of different shift register chips tied to the data buss and you just piggyback one of the shift registers out of the others.

@cyrysvonnachtseite4546 3 года назад

Too bad that when the CRT is shot. Ya got to change the chassis out CGA to VGA. $20 on line. Always found that connection at the logic board is arc stricken or burnt off Besides it being a monitor problem