(Topic ID: 242755)

LISY replacement MPU information needed


By Tektune

8 days ago



Topic Stats

  • 14 posts
  • 5 Pinsiders participating
  • Latest reply 4 days ago by cabuford
  • Topic is favorited by 4 Pinsiders

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    #1 8 days ago

    Has anyone here ordered and/or installed a LISY replacement mpu for the Gotttlieb Sys 1 or Sys 80 pinball machines? The price and flexibility seem very attractive, but there seems to be little information from users here on Pinside that have personal experience with these boards. Are these boards available to order/ship to the US? Do they work well? I am an experienced electronics tech and have linux and Raspberry Pi systems, and also several Sys 1 and Sys 80 games that could use new MPU's, so this would be a great solution if it works well. Thanks for any feedback and advice!

    #2 7 days ago

    I've built a system 1 board. It worked great, minus the long boot time. They ship to the US, but you need to order parts separately. Soldering the surface mount chip was a pain. The main thing to understand is that this is just their hobby project. Documentation is sometimes out of date, the original BoM I got was wrong, etc. No big issues, but it necessitates emailing back and forth which is slow when one party is in Germany.

    For the price and flexibility though, it can't really be beat. I ordered two more boards recently, need to assemble them now.

    #3 7 days ago

    I got one here. The only real issue I've had is that it doesn't work as well as it could with the first type of sound board like was used in Solar Ride; It took some parameter tuning to get the tunes to sound remotely right. It's generally better to use the "sound file" functionality. I would also indicate that it isn't an instant boot process; I'd recommend just using a Pi3 on it just to reduce the boot time. It can use ROM files like you'd use with MAME/Visual Pinball, so it's exactly the original rules, complete with the limited settings. You can access the original diagnostics/memory menu, but you can also, holding the button longer, access a more advanced diagnostics screen accessible via ad-hoc wifi, which means you can test individual lights, switches and coils via a tablet interface, which has been really handy; I did pop bumper adjustments by using the diagnostics to engage the game-over coil so that I could fire the pops without entering the original test mode, and then disengage it again to adjust the switches again.

    The real shining feature of the kit over the other replacements is the ability to configure rules with Mission Pinball Framework, although I have had issues with a form of "lag", where it would get gradually slower in responding to switch hits. It doesn't affect single player games currently, but it can affect multiplayer games, and it can be measured in seconds at the end of the game. It's also a "from scratch" sort of deal, I think I'm the first one who got a "flips and plays" config more or less finished, and I do believe that Ralf is now including it with the main distribution as an example.

    #4 7 days ago
    Quoted from LynnInDenver:

    The real shining feature of the kit over the other replacements is the ability to configure rules with Mission Pinball Framework, although I have had issues with a form of "lag", where it would get gradually slower in responding to switch hits. It doesn't affect single player games currently, but it can affect multiplayer games, and it can be measured in seconds at the end of the game. It's also a "from scratch" sort of deal, I think I'm the first one who got a "flips and plays" config more or less finished, and I do believe that Ralf is now including it with the main distribution as an exampl

    This was another great feature to me, however I was sad to find that the cheaper Pi Zero just couldn't go fast enough to run mpf. Having to buy a pi3 really adds to the price, and it sounds like even that can barely handle it

    #5 7 days ago
    Quoted from zacaj:

    This was another great feature to me, however I was sad to find that the cheaper Pi Zero just couldn't go fast enough to run mpf. Having to buy a pi3 really adds to the price, and it sounds like even that can barely handle it

    Technically the Pi Zero does run fast enough, but it's not pleasant. It works perfectly well if you're just running the ROM file and not bothering with MPF. If you're using MPF, then a Pi3 is what you want to be running, and it's still cheaper than stuffing a real computer in there. At some point, I'll test using the computer I was using for config development (running the Pi in 'slave' mode), and see how well that runs a full game.

    Do note that even with all that, you still have to deal with the limitations of System 1... the lack of computer control of the pop bumpers, the lack of being able to tell what the flipper buttons are doing, the real difficulty of trying to add a high score name feature (I figured out how to override the "enter initials" feature so that it just records the high scores), and getting around those by rewiring, you might as well rewire the whole machine for FAST or PROC.

    #6 4 days ago

    I just bought a Genie with one of these. Looking forward to doing some experimentation. I have a Pi3B I could put in instead of the Pi Zero. Looks like I'll need some kind of header extension though.
    Just beginning to mess around with MPF. I should probably get the machine in my house and set up first though!

    #7 4 days ago

    Also built the Sys1 Lisy.
    Worked just fine. Gave a feedback on it in the sys1 topic.

    Pro:
    Price
    Reliability
    Versatility

    Cons:
    Don't do it if you're not comfortable with soldering
    Takes time to boot

    #8 4 days ago
    Quoted from cabuford:

    I just bought a Genie with one of these. Looking forward to doing some experimentation. I have a Pi3B I could put in instead of the Pi Zero. Looks like I'll need some kind of header extension though.
    Just beginning to mess around with MPF. I should probably get the machine in my house and set up first though!

    I've got a git repo somewhere with my Genie MPF project if you want to save some setup time

    #9 4 days ago
    Quoted from zacaj:

    I've got a git repo somewhere with my Genie MPF project if you want to save some setup time

    I would love that! Of course now I've got the game in my house and I think I fried the Pi Zero by putting it in with the pins off.
    I'm trying it with my older Pi 3 and the Pi boots, looks like it's going to load up Genie, then throws a "No IP Check Eth 0 WLan 0" and the Green LISY light never comes on on the board. Any thoughts?

    I knew I shouldn't have pulled out the Zero but I wanted to backup the SD card first.

    #10 4 days ago

    Sounds like your dip switches are wrong if you're trying to boot mame at least. Shouldn't be searching for an IP in game modes (besides mpf slave)

    #11 4 days ago
    Quoted from zacaj:

    Sounds like your dip switches are wrong if you're trying to boot mame at least. Shouldn't be searching for an IP in game modes (besides mpf slave)

    Well it started working on the third attempt and has been fine since, except once when I pushed the play/test button in the coin door and it went back to that error. Well at least I can play now!!

    #12 4 days ago
    Quoted from cabuford:

    I would love that!

    https://github.com/zacaj/genie-mpf

    It has custom rules, not the standard ones, but at least the machine/device configs should be useful

    #13 4 days ago
    Quoted from cabuford:

    I just bought a Genie with one of these. Looking forward to doing some experimentation. I have a Pi3B I could put in instead of the Pi Zero. Looks like I'll need some kind of header extension though.
    Just beginning to mess around with MPF. I should probably get the machine in my house and set up first though!

    Yeah, header extensions are necessary. If I do another LISY, I'll use the extended plugin instead so that it can take a Pi3 without adaptation.

    #14 4 days ago
    Quoted from zacaj:

    https://github.com/zacaj/genie-mpf
    It has custom rules, not the standard ones, but at least the machine/device configs should be useful

    Thanks! I'm definitely not that far yet I'm still trying to change the virtual dipswitches in LISY to see if I can change it from 3 ball to 5 ball.

    Update: After the 4th attempt I figured out the CSV files and can now play 5 ball if I want.

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