Touchdown

Partial
Completion13%

Gottlieb1984gottlieb.touchdown.1984 Updated 2026-08-29

OPDB IPDB gottlieb/touchdown-1984.mdgottlieb/touchdown-1984.json

Wire it up

what an authoring tool needs first
Bind this ROM
touchdn

1 ROM set resolve to this machine. Clones share the definition unless a hardware difference is listed.

Controller platform
Not determined
Displays

No display inventory recorded yet.

Address space

Coverage

Partial

Real evidence exists, but authoring requirements are still missing or in conflict. Verify before shipping a table.

Completion13%

Progress is derived from the fixed author-readiness requirements. It helps rank unfinished work, but only a 100% author-ready definition passes the publication gate.

Catalog Identity
validated
Address Enumeration
unknown
Semantic Naming
unknown
Physical Wiring
unknown
Mechanisms
unknown
Variant Coverage
candidate
Recreation Knowledge
unknown
Still missing · 14
Driver MappingController PlatformInput EnumerationInput SemanticsOutput EnumerationOutput SemanticsDisplay InventoryMechanism InventoryMechanism BehaviorPolarityVariant DifferencesRecreation NotesProvenanceSpatial Placement

Recreation notes

Working knowledge that has no schema field yet — edition differences, tuning values, pitfalls.

Coverage: partial - machine identity only. Nothing about playfield devices, wiring, mechanisms, or behavior is evidenced yet.

This record was promoted from the generated catalog stub stub.pinmame.touchdn by the catalog-wide identity pass of 2026-08-29. The promotion resolves machine identity and carries the catalog's residual driver grouping over unchanged, and it deliberately asserts nothing else. Every requirement in the definition's coverage.missing is genuinely outstanding.

Identity

  • PinMAME catalog: root driver touchdn, description "Touchdown", manufacturer "Gottlieb", catalog year "1984".
  • OPDB record G4ldW-MQPNv (IPDB 2610) names this machine "Touchdown" (Gottlieb, manufacture date 1984-01-01); the resolved identity rests on the agreement of the PinMAME catalog and this reviewed mapping.
  • The definition's driver list is exactly the clone tree PinMAME declares under touchdn; whether every listed driver really runs on this physical machine is unverified.

Drivers this record holds

  • touchdn (1984, Gottlieb, clone of gts80as).

What a curator must establish next

Controller platform from the pinned PinMAME driver source; full input, output, and display enumeration with semantic names; physical wiring and polarity; mechanism inventory and behavior; variant differences across the clone tree; recreation knowledge from a manual, schematic, or known-working table; runtime provenance; and a normalized spatial placement for every physical device. No manual, table, ROM analysis, or harness evidence is retained for this machine yet.

ROM sets

Every driver that resolves to this physical machine.

ROM set Description Year Parent Hardware
touchdnTouchdown 1984gts80as—

Evidence

Every claim above traces to one of these. When they disagree: a known-working VPX script wins on controller addresses and causality, the manual wins on wiring and construction, pinned PinMAME wins on emulator routing and display layout.

  • PinMAME catalog

    BSD-3-Clause

    pinmame.catalog.8371478a7640

    PinmameGetGames

    8371478a7640
    by
    PinMAME contributors
    rev
    8371478a7640

Something wrong or missing?

This definition still has 14 unmet requirements, listed under Missing data below. Fixes belong in the definition itself — editing on GitHub forks it for you and opens the pull request.

Cite a source for anything you change — a manual page, a line in a working VPX script, PinMAME source, or a reading from the machine's own service menu. Claims without provenance cannot be validated.

Edit the definition Edit the note Report a problem
Before you startCONTRIBUTING.mdschemas/machine.schema.jsondocs/MACHINE_DEFINITIONS_PLAN.md How to read a definition

Missing data

What this game definition still needs to reach 100% and become author-ready.

  • ROM compatibility

    Verify which PinMAME drivers and firmware variants belong to this physical machine.

  • Controller hardware

    Identify the controller platform and validate its public address and routing rules.

  • Complete input inventory

    Account for every switch, service input and diagnostic address, including unused positions.

  • Input functions

    Validate which physical sensor or cabinet control each input represents and when it activates.

  • Complete output inventory

    Account for every coil, motor, lamp, flasher and general-illumination circuit, including unused addresses.

  • Output functions

    Validate the physical device, function and fitted quantity behind each output binding.

  • Displays

    Verify every display, its layout and its controller bindings.

  • Mechanism inventory

    Document every mechanism, its moving parts, actuators, sensors and connections.

  • Mechanism behavior

    Validate mechanism operation, ball paths, home positions, startup and reset behavior.

  • Switch construction and polarity

    Verify normally open or closed contacts and how PinMAME delivers their active states.

  • Edition and firmware differences

    Document supported hardware and firmware differences without combining incompatible editions.

  • Recreation knowledge

    Complete the source-backed behavior and assembly notes needed to recreate the machine.

  • Evidence and sources

    Back the remaining claims with attributable sources, exact locators, retained excerpts and verified hashes.

  • Physical device locations

    Establish validated playfield locations for every physical sensor, actuator and light emitter, including bulb counts and justified projections.