Kings of Steel

Partial

Bally1984BY35bally.kings-of-steel.1984

OPDB IPDB bally/kings-of-steel-1984.mdbally/kings-of-steel-1984.json

Wire it up

what an authoring tool needs first
Bind this ROM
kosteel

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

Controller platform
pinmame.by35

PinMAME already reports logical active state. Do not invert again in the table — normally-closed is a physical fact recorded per switch, not a runtime transform.

Displays

No display inventory recorded yet.

Address space
Switches
1–34 (18)
Solenoids
6–19 (12)

Coverage

Partial

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

Completion19%

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 · 13
Driver MappingInput EnumerationInput SemanticsOutput EnumerationOutput SemanticsDisplay InventoryMechanism InventoryMechanism BehaviorPolarityVariant DifferencesRecreation NotesProvenanceSpatial Placement

Switches

The addresses PinMAME reports as closed. Numbers are the public API values, not matrix hardware pins.

18 addresses

Switch map

Sequential addresses, grouped in columns of eight.

used unused
 
+0
+1
+2
+3
+4
+5
+6
+7
1–8
9–16
17–24
25–32
33–40
Hover or tap an address to identify it.
18 shown
# Name Device ID Evidence
1
Sw1
switch.sw1 candidate
2
Sw2
switch.sw2 candidate
3
Sw3
switch.sw3 candidate
4
Sw4
switch.sw4 candidate
5
Sw5
switch.sw5 candidate
7
Right Sling Shot
switch.right-sling-shot candidate
8
Ball Release
switch.ball-release candidate
12
Phys Sensor 12
switch.phys-sensor-12 candidate
14
Phys Sensor 14
switch.phys-sensor-14 candidate
21
Sw21
switch.sw21 candidate
22
Sw22
switch.sw22 candidate
23
Sw23
switch.sw23 candidate
24
Sw24
switch.sw24 candidate
25
Phys Sensor 25a
switch.phys-sensor-25a candidate
26
Phys Sensor 26
switch.phys-sensor-26 candidate
27
Bumper3
switch.bumper3 candidate
33
Bumper1
switch.bumper1 candidate
34
Bumper2
switch.bumper2 candidate

Controlled devices

Everything the ROM can energise, grouped the way a table author builds it.

Coils, magnets & motors

12
12 shown
# Name Device ID Evidence
6
Sol Knocker
coil.sol-knocker candidate
7
Sol Ball Release
coil.sol-ball-release candidate
8
Sol DTQtop
coil.sol-dtqtop candidate
9
Sol DTJtop
coil.sol-dtjtop candidate
10
Sol DTQmid
coil.sol-dtqmid candidate
11
Sol DTten
coil.sol-dtten candidate
12
Sol DTJbot
coil.sol-dtjbot candidate
13
Sol DTQbot
coil.sol-dtqbot candidate
14
Sol DTReset
coil.sol-dtreset candidate
15
Sol Saucer
coil.sol-saucer candidate
17
Sol Gate Diverter
coil.sol-gate-diverter candidate
19
Gameinplay
coil.gameinplay candidate

Recreation notes

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

Coverage: partial - machine identity plus candidate-only I/O attachments. Playfield devices, wiring, mechanisms, and behavior are evidenced only as unverified candidates.

This record was promoted from the generated catalog stub stub.pinmame.kosteel 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, the platform and device attachments below were added by the 2026-08-29/30 candidate passes and assert nothing beyond candidate provenance. Every requirement in the definition's coverage.missing is genuinely outstanding.

Identity

  • PinMAME catalog: root driver kosteel, description "Kings of Steel", manufacturer "Bally", catalog year "1984".
  • OPDB record GR67j-M7ZYy (IPDB 1382) names this machine "Kings of Steel" (Bally, manufacture date 1984-03-01); 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 kosteel; whether every listed driver really runs on this physical machine is unverified.

Drivers this record holds

  • kosteel (1984, Bally).
  • kosteela (2004, Bally / Oliver, clone of kosteel).
  • tigerrag (1984, Bell Games, clone of kosteel).

PinMAME source contract (candidate)

  • The pinned PinMAME source declares kosteel at src/wpc/by35games.c:1755 with machine module by35_mBY35_45S; the definition declares controller platform pinmame.by35 from it.

VPX script candidates (candidate)

  • 1 retained community table script(s) declare this machine's driver; their extracted switch/lamp/solenoid/GI candidates are carried as 30 candidate devices. When curator work weighs sources, a retained script outranks emulator-derived candidates for runtime semantics, but every device here is still a candidate until a known-working table is verified against this exact physical machine.

What a curator must establish next

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, schematic, or runtime-harness evidence is retained for this machine yet; the candidate sections above are the only retained I/O evidence so far.

ROM sets

Every driver that resolves to this physical machine.

ROM set Description Year Parent Hardware
kosteelaKings of Steel (Free Play) 2004kosteel—
tigerragTiger Rag 1984kosteel—
kosteelKings of Steel 1984——

Parent set: kosteel — clones share this definition unless a hardware difference is noted.

Pinball memory maps

External source LGPL-3.0-only2 maps

RAM layouts published by an independent project and mirrored here at a pinned commit. They are not part of this machine’s definition: nothing below was used as evidence for the definition, and none of it counts towards coverage. Check claims against the upstream project.

Upstream
tomlogic/pinball-memory-maps
Commit
d8693b9

This program makes use of content from the Pinball Memory Maps project.

system-rom-53-freeplay.map.json

bally-35-8Kv3format 0.8

maps/bally/as-2518-35/system-rom-53-freeplay.map.json

Applies to ROMs
kosteela
Also covers
bmxacybrnauaelektraafathomafbclassam_mpacamedusaaspyhuntavectoraxsandosa
Sections
adjustmentsauditsgame_statehigh_scores
Map JSONMap sourcePlatform JSONPlatform source

bally-35-8K defines the RAM layout this map’s offsets are read against — the map is not interpretable without it.

system-rom-53.map.json

bally-35-8Kv4format 0.8

maps/bally/as-2518-35/system-rom-53.map.json

Applies to ROMs
kosteel
Also covers
bmxcybrnautelektrafathomfbclassm_mpacm_mpacbmedusamedusafspyhuntrvectorxsandos
Sections
adjustmentsauditsgame_statehigh_scores
Map JSONMap sourcePlatform JSONPlatform source

bally-35-8K defines the RAM layout this map’s offsets are read against — the map is not interpretable without it.

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

  • PinMAME source

    BSD-3-Clause

    pinmame.core.8371478a7640

    src/wpc/by35games.c:1755 (machine module by35_mBY35_45S)

    src/wpc/by35games.c
    by
    PinMAME contributors
    rev
    8371478a7640

  • VPX script

    vpx-script.fb039685c040b237

    vpxtable-scripts: Kings Of Steel (Bally 1984) v2.0.0.vbs

    0c036bb61b4b
    by
    Authors credited in Kings Of Steel (Bally 1984) v2.0.0.vbs and repository contributors
    rev
    0c036bb61b4b
    sha256
    fb039685c040…

Something wrong or missing?

This definition still has 13 unmet requirements, listed under Coverage above. 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

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