Game Plan · Open-Source MPU

GP Multi-MPU

All GamePlan Machines — Upright & Cocktail
Open-SourceZ80ROM LicensedNo Battery

Modern open-source MPU for all GamePlan pinball machines.

$250CADIn stock · 2 left
GP Multi-MPU
$250
Note: Compatible with all GamePlan titles including Attila the Hun, Black Velvet, Captain Hook, Cyclopes, Sharpshooter, Sharpshooter II, and all cocktail titles.
  • Field-tested in multiple GamePlan machines
  • ROM licensed by Game Plan Inc.
  • Fully open-source · KiCad source available
  • No battery — no leakage risk
  • Ships in 2 - 3 Business Days · Canada only

All sales final. Boards are bench tested before shipping; make sure your machine has no shorts or wiring faults before installing. Sales policy

About this board

A modern, open-source brain transplant for GamePlan pinball machines. Drop-in replacement for the original MPU — compatible with every upright and cocktail cabinet GamePlan ever made. Designed in KiCad, tested in the field.
  • Zilog Z80 based — same architecture as original for full game logic compatibility
  • Cypress FM16W08 NVRAM — no battery, no leakage, infinite write cycles
  • Hardware watchdog — auto-resets on CPU lockup, protects solenoids
  • 2MB multi-game ROM — full GamePlan lineup in one 27C020 EPROM
  • ROM licensed by Game Plan Inc.
  • Custom footprints for upright and cocktail display connectors
  • All socketed DIP ICs — field-serviceable
  • Fully open-source — KiCad source available
  • Field-tested in multiple GamePlan machines

Tech specs

TypeOpen-Source MPU Replacement
CoreZ80 CPU · Cypress FM16W08 NVRAM
EmulationHardware (Z80-based)
Boot time< 5 seconds
Form factorGamePlan MPU slot (upright and cocktail)
ConnectorsOriginal connectors — no rewiring
NotesNo battery (NVRAM) — no leakage risk. Hardware watchdog. ROM licensed by Game Plan Inc. KiCad source available.

Installation

Remove original GamePlan MPU and install the GP Multi-MPU in the same slot. Works in both upright and cocktail cabinets. No configuration required — ROM is pre-loaded and licensed from Game Plan Inc.

Compatible machines

Game Plan

Don't see yours? Ask us — the list grows as firmware is updated.