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Silk Worm Free Play and High Score Save Kit

Product information "Silk Worm Free Play and High Score Save Kit"

The HighScoreSaves Silk Worm Free Play and High Score Save Kit upgrades documented compatible original Tecmo Silk Worm arcade hardware with permanent Top 10 high score saving with initials, Free Play, attract sounds, lives-based score tables, Backup and Restore, God Mode, Flip Screen, ROM Saver, menu-driven settings, and optional Wi-Fi leaderboard support while retaining the original Silk Worm PCB.

Silk Worm Compatibility & Requirements

Compatible PCB: Documented compatible original Tecmo Silk Worm arcade PCB
Processor: Compatible Z80 processor installed on the HighScoreSaves daughter card
CPU Socket: Suitable 40-pin socket at the documented Z80 processor location
CPU Transfer: Existing compatible Z80 may be transferred to the daughter card or replaced with a compatible processor
ROM Saver: Designated original program ROMs may be removed when configured according to the installation guide
Cabinet Support: Documented compatible upright and cocktail Silk Worm configurations

Installation: Plug-in installation when the original Z80 location is already properly socketed. The existing compatible Z80 may be transferred to the HighScoreSaves daughter card or a compatible replacement may be used. If the Z80 is soldered directly to the PCB, a suitable 40-pin socket must be installed first.

Silk Worm Settings Menu Video

See how to enter the Silk Worm settings menu and review the available options and controls.

Silk Worm Settings Menu Access

Supported kit menus can be accessed by holding Player 1 Start during cabinet power-on. Stealth Mode allows the normal startup presentation to remain closer to the original game while retaining access to the kit menu.

What This Kit Adds

Top 10 High Score Save Permanently stores the Top 10 supported Silk Worm scores with player initials.
Battery-Free Serial EEPROM Retains supported scores and settings without batteries or NVRAM.
Free Play & Coin-Up Play without inserting coins while retaining normal coin or token operation when desired.
Adjustable Attract Sounds Select supported attract audio at 25%, 50%, or 100% of attract rotations.
Separate Score Tables Maintains independent supported high score tables for 2-, 3-, and 4-life settings.
On-Screen DIP Settings Adjust supported game and operator options through the kit menu.
Backup & Restore Save and restore supported high-score information.
God Mode Provides unlimited lives for practice and testing. High scores are not saved while God Mode is enabled.
Flip Screen Rotates the Silk Worm game display 180 degrees.
Stealth Mode Retains supported menu access through Player 1 Start during power-on while allowing a more original-style startup presentation.
Copyright Selection Choose supported original-manufacturer or HighScoreSaves attract-screen branding.
Attract Mode Protection Helps reduce prolonged static-image display during attract operation.
ROM Saver Allows designated original program ROMs to be removed when installed according to the guide.
Upright & Cocktail Support Supports documented compatible upright and cocktail Silk Worm configurations.
Silk Worm Two-Player Operation

Two-player Silk Worm operation requires coin play. Two-player mode is not available while the cabinet is operating in Free Play mode.

What's Included

Base Silk Worm Kit: HighScoreSaves Z80 daughter card for installation at the documented processor location on compatible original Tecmo Silk Worm hardware. A compatible Z80 processor is required and may be transferred from the original PCB or selected as a replacement when ordering.

Installation Checks Before Power-Up

Before applying cabinet power, verify Z80 Pin 1 orientation, daughter-card seating, processor-pin alignment, CPU socket condition, and clearance between the underside of the daughter card and nearby original PCB components or test points.

Standard vs. Wi-Fi Kit

Standard Kit

Stores supported Silk Worm scores and settings locally and provides normal gameplay, Free Play, Coin-Up operation, attract sounds, ROM Saver, Backup and Restore, lives-based score tables, God Mode, Flip Screen, and menu-driven settings without requiring an internet connection.

Wi-Fi Enabled Kit

Includes the same local functionality and adds qualifying online leaderboard score submission through the HighScoreSaves platform.

Wi-Fi can be disabled without affecting local score saving or normal gameplay. Wi-Fi-enabled kits use compatible 2.4 GHz Wi-Fi networks.

Silk Worm Kit FAQ

Does this kit require an original Silk Worm PCB?

Yes. The kit is designed for documented compatible original Tecmo Silk Worm arcade PCBs.

Does the Z80 processor need to be socketed?

Yes. The documented Z80 processor location must use a suitable 40-pin socket before the daughter card can be installed.

Does installation require soldering?

No soldering, trace cutting, or special wiring is required when the documented Z80 location is already properly socketed. If the Z80 is soldered directly to the PCB, a suitable 40-pin socket must be installed first.

How many Silk Worm high scores are saved?

The kit permanently saves the Top 10 supported scores with player initials.

Can I still use coins?

Yes. Coin-Up operation remains supported when normal coin or token play is desired.

Does two-player mode work in Free Play?

No. Two-player Silk Worm operation requires coin play and is not available while Free Play is active.

What is God Mode?

God Mode provides unlimited lives for practice or testing. High scores are not saved while God Mode is enabled.

Can the display be rotated?

Yes. Flip Screen rotates the Silk Worm display 180 degrees.

Does the kit support upright and cocktail cabinets?

Yes. The kit supports documented compatible upright and cocktail Silk Worm configurations.

What does ROM Saver do?

ROM Saver allows designated original program ROMs to be removed when the kit is installed according to the Silk Worm installation guide.

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