Moon Patrol Free Play and High Score Save Kit
Product information "Moon Patrol Free Play and High Score Save Kit"
Customize Your Moon Patrol Free Play and High Score Save Kit
Build your kit exactly how you want it. Choose a Wi-Fi Enabled Kit or a Standard Save Kit. You can also add a processor and/or a 40-pin socket—optional but recommended for easy installation.
Learn More About This Kit
Click a button to view details, tips, or the installation guide.
Features
- Easy install: No soldering, board modifications, or special wiring—plug in and go.
- Save your scores forever: Uses a serial EEPROM, not failure-prone NVRAM or batteries.
- High Score Save: Stores the Top 5 scores.
- Attract sounds: Enable sound during attract mode at 25%, 50%, or 100% of rotations.
- Free Play: No more coins or opening the coin door.
- Coin Up: Still supports coins if desired.
- Attract Mode: Reduce screen burn—no more static screens.
- Change DIP settings: Menu-driven—no need to pull out the game to flip switches.
- ROM Saver: Optionally remove original program ROMs to save power.
- Cabinet support: Works in upright or cocktail cabinets.
Additional Features
- Backup & restore: Back up high scores and restore later—perfect before/after parties.
- Separate score tables: Different high score saves for 2, 3, or 4 lives.
- Reset button: Restart a game without powering off (enable in menu).
- Practice Mode: Start at any available start point.
- Game Menu: Quickly select lives or practice levels.
- Flip screen: Supported.
- RAM/ROM tests: Built-in checks to verify hardware health.
- Free Play behavior: Continue mode is disabled when Free Play is on.
Important
- Ensure your Z80 is socketed. If not, install a 40-pin socket for the kit to work.
- Read the installation guide before installing — Download Moon Patrol Installation Guide (PDF).
Just the FAQ's
Which CPU/socket do I need?
A socketed Z80 CPU is required. If your CPU isn’t socketed, install a 40-pin socket.
How many scores does the kit save?
Moon Patrol saves the Top 5 scores with this kit.
Does it support Free Play and coin operation?
Yes. You can enable Free Play or continue using Coin Up. Note: continue mode is disabled when Free Play is on.
Can I change DIP options without opening the cabinet?
Yes—the kit provides a menu-driven DIP settings interface directly on screen.
Is there a Practice Mode?
Yes. Use Practice Mode to start at any available start point and refine specific sections.
What is “ROM Saver” on this kit?
ROM Saver lets you remove original program ROMs; the program runs from the kit to reduce power and improve reliability.
Will it work in cocktail cabinets and can I flip the screen?
Yes. It supports upright and cocktail cabinets, and includes a flip screen option.
How do I reset without power-cycling the cabinet?
Enable the Reset Button in the menu to restart the game instantly.
Where do I download the Moon Patrol installation guide?
Right here: Moon Patrol Installation Guide (PDF) .
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2 reviews
September 23, 2025 2:07 AM
Installed just fine & lots of options.
Moon Patrol seems to be the black sheep in the Williams lineup with a 3-board sandwich that the others don't have. This kit fits right next to the long sound board, maybe even a little too close on mine. I had to adjust the four mounting screws on the sound board to angle it a bit to make room but it's sturdy. The kit also extends past the bottom of the boards and can bump the coin box when the sandwich is positioned in its usual mount spot inside the cabinet. I fixed this by adjusting the position of the wood block on the near side of the boards (when looking in from the back) so the boards can't slide and bump the kit. Not a big deal and should be stable for life.
September 23, 2025 12:27 AM
Easy to install, makes it fun to play my game again
As my title says this is totally easy to install and it does make it fun to play my game again looking at the high scores and not having to coin up all the time. These are super high quality as well.
Accessories
Z80 8-Bit Microprocessor (40-Pin CPU) The Z80 is an 8-bit microprocessor widely used in classic arcade PCBs. This 40-pin CPU handles core game logic and timing and is essential to reliable board operation. Used In Arcade Games Such As Donkey Kong Galaga Donkey Kong Jr. Frogger Galaxian Dig Dug Xevious …and more! *Brands may vary.
6502 8-Bit Microprocessor (40-Pin CPU) The 6502 is an 8-bit microprocessor widely used in classic arcade PCBs. This 40-pin CPU handles core game logic and timing and is essential for reliable board operation. Used In Arcade Games Such As Asteroids Battlezone Centipede Tempest Warlords …and more! *Brands may vary.
Any Coin Mech Designed as a direct drop-in replacement for coin mechanisms from Happ, Coinco, Imonex, and others. Features Drop-in replacement for existing arcade coin mechs. Accepts quarters, 0.984″ tokens, and dimes (no adjustments required). Engineered to reduce coin jams. Includes four plastic mounting pegs; will not rust. Made in the USA. For home arcade use. Compatibility Tested on arcade games from Atari, Bally/Midway, Gottlieb, Stern, Taito, Williams, Sega, and more.
4 White PCB Feet 4 ScrewsWe recommend using these feet to make sure the PCB is secure.
Easy CoinUp (E.C.U.) — Quarter-Style Coin-Up Switch It Just Makes Sense! We’ve all seen it: a loose switch dangling from the coin door, or a hole drilled in the cabinet just to add credits. Many games offer a Free Play mode, but some disable attract sounds or visuals—so passers-by never see or hear the game in action. Easy CoinUp fixes that. It’s a pushbutton that looks like a quarter, so everyone knows exactly what it does: add a credit. Installation is simple and causes no permanent damage beyond applying adhesive to the metal coin door. Installation Instructions (Quick & Easy) Peel the backing liner and apply the E.C.U. where you want it mounted. Wrap the “tail” around the coin door, pressing firmly so the adhesive bonds (industrial 3M 300LSE—once it sticks, it sticks). Peel the second liner and apply the “Quarter” overlay to the front of the switch. Solder two wires from the tail’s solder pads to the machine’s coin switch. The E.C.U. is a membrane SPST switch; your machine must expect a single circuit closure (typical for most arcade and pinball machines). Insulate the E.C.U. pins with electrical tape after soldering so they can’t touch grounded metal or other circuits. Note: Installation requires basic soldering. Tips & Tricks Thoroughly clean the mounting area; finish with rubbing alcohol and let it evaporate. Mount near the “Insert Coin” slots so players find it quickly. Avoid high-friction spots on the coin door; look for rubbed paint or scratches and choose a smoother area. If the conductive circuit in the tail is worn through, the switch will stop working—route and secure it thoughtfully. Keep out of reach of children—they may peel or try to swallow the parts.
DK / DK Jr. Pin-Harness to Card-Edge Adapter This adapter converts the original pin-style cabinet wiring harness found in classic Donkey Kong and Donkey Kong Jr. cabinets to the newer card-edge connector used on later Nintendo board sets—making swaps and upgrades fast and reversible. Key Features Direct, plug-in conversion from pin-header harness to card-edge connector. No cutting or permanent changes to the original cabinet wiring. Clean signal routing for power, video, audio, and controls. Keyed/marked orientation to help prevent mis-connection. Compatibility Cabinets: Nintendo DK and DK Jr. with pin-style harness. Boards: Later Nintendo board sets using a card-edge connector (verify your specific PCB before installation). Installation Notes Power off the cabinet before connecting or removing the adapter. Match orientation/keys and seat connectors fully; avoid forcing the edge. No soldering required for standard harnesses. Tip: Check your cabinet’s wiring diagram and the target PCB pinout to confirm signal order before first power-on.
8035 8-Bit Microcontroller (Sound CPU, 40-Pin DIP) The 8035 is an 8-bit microcontroller (MCS-48 family) widely used as the sound CPU on classic arcade PCBs. This 40-pin DIP handles audio control, timing, and I/O tasks that support the main game processor. Used In Arcade Games Such As Donkey Kong Donkey Kong Jr. Donkey Kong 3 …and more! *Brand/marking may vary (e.g., NEC 8035).
Able to be used with - The ArpicadeOther uses too! These are approximately 4 foot long to give you the length needed Each wire has a .187 female quick disconnect on all for attaching to the terminal on the microswitch (Not a cheap connector) 6 pin header connects to your pcb or Arpicade 1 and 2 player for buttons 4, 5 and 6
Check out PDF for all Konami 4 player game kick harness pinouts - Pinout PDF DownloadThese are approximately 3 foot long to give you the length needed Each wire has a .187 female quick disconnect on all player controls for attaching to the terminal on the microswitch AND enough ground connectors for your controls15 pin header connects to your pcbHeader is numbered for you to match what wire goes where on your control panel Wires will vary in color but numbers stay the same!This kick harness allows you to connect player 3 or player 4 buttons and joystickPLEASE NOTE - You will need 2 harnesses if you want to connect both P3 and P4 to your control panel
6809E 8-Bit Microprocessor (40-Pin CPU) The 6809E is an 8-bit microprocessor widely used in classic arcade PCBs. This 40-pin CPU handles core game logic and timing and is essential for reliable board operation. Used In Games Such As Circus Charlie Juno First Track & Field Hyper Sports Star Wars Qix …and more! *Can be used with a 42-pin Konami 1 adapter (included with some HighScoreSaves kits). *Brands may vary.
8080 8-Bit Microprocessor (40-Pin CPU) The 8080 is an 8-bit microprocessor widely used in classic arcade PCBs. This 40-pin CPU handles core game logic and timing and is essential for reliable board operation. Used In Arcade Games Such As Space Invaders Space Invaders Deluxe …and more! *Brands may vary.
40 pin Socket Specifications Pitch: 2.54 mm (0.100″) Pins: 40 (2×20) Mounting: Through-hole (THT)
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