IS OCO - Revision history

Flame CZE at 22:24, 13 February 2026

2026-02-13T22:24:01Z

Flame CZE at 22:21, 13 February 2026

2026-02-13T22:21:49Z

Bokujishin: Created page with "== Introduction == The '''O'''bject '''CO'''ntrol packet is used to control start lights, either the track's main start lights or layout objects such as AXO_START_LIGHTS1. {..."

2026-02-10T08:45:36Z

Created page with "== Introduction == The '''O'''bject '''CO'''ntrol packet is used to control start lights, either the track's main start lights or layout objects such as AXO_START_LIGHTS1. {..."

New page

== Introduction ==

The '''O'''bject '''CO'''ntrol packet is used to control start lights, either the track's main start lights or layout objects such as AXO_START_LIGHTS1.

{| class="wikitable"
|+ IS_OCO packet properties
|-
! Type !! Name !! Description
|-
|byte
| Size
| 8
|-
|byte
| Type
| ISP_OCO
|-
|byte
| ReqI
| 0
|-
|byte
| Zero
|
|-
|byte
| OCOAction
| see below
|-
|byte
| Index
| see below
|-
|byte
| Identifier
| identify particular start lights objects (0 to 63 or 255 = all)
|-
|byte
| Data
| see below
|}

== Packet Details ==

=== Size ===

The size of the packet is always 8 bytes.

=== Type ===

The packet type from the [[InSim_enumerations#ISP|ISP_]] enumeration, always ISP_OCO.

=== ReqI ===

ReqI is always equal to zero.

=== OCOAction ===

A value from the [[InSim_enumerations#OCO|OCO_]] enumeration:
* OCO_LIGHTS_RESET: Give up control of all lights
* OCO_LIGHTS_SET: Use the [[#Data|Data]] byte to set the lights
* OCO_LIGHTS_UNSET: Give up control of the specified lights

=== Index ===

Specifies which object to control. The currently supported values are:
* AXO_START_LIGHTS1 (149): Layout object
* AXO_START_LIGHTS2 (150): Layout object
* AXO_START_LIGHTS3 (151): Layout object
* OCO_INDEX_MAIN (240): Main start lights

=== Identifier ===

This byte can be used to override a specific group of layout start lights, as set in the layout editor. All objects sharing the same Identifier are controlled simultaneously.

=== Data ===

Specifies which lights to turn on or off, depending on the controlled object [[#Index|Index]]:

{| class="wikitable"
|+ Data byte details
! Index
! Bit 0 (1)
! Bit 1 (2)
! Bit 2 (4)
! Bit 3 (8)
|-
! OCO_INDEX_MAIN
| red1
| red2
| red3
| green
|-
! AXO_START_LIGHTS1
| red
| amber
| -
| green
|-
! AXO_START_LIGHTS2
| red
| amber
| -
| green
|-
! AXO_START_LIGHTS3
| red
| -
| -
| green
|}

[[Category:InSim packets]]

@@ Line 10: / Line 10: @@
 The '''O'''bject '''CO'''ntrol packet is used to control start lights, either the track's main start lights or layout objects such as AXO_START_LIGHTS1.
 {| class="wikitable"
@@ Line 48: / Line 50: @@
 | see below
 |}
 === Size ===

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-== Introduction ==
+{{Infobox InSim packet
 The '''O'''bject '''CO'''ntrol packet is used to control start lights, either the track's main start lights or layout objects such as AXO_START_LIGHTS1.
@@ Line 110: / Line 118: @@
 | green
 |}
 [[Category:InSim packets]]