I updated the orders.dat list of unknowns file, this should make looking into it's unknowns easier
QUOTE
Unknown 2
Build Add-On
Train
Train Fighter
Shield Battery
Spawnling Larva
Spread Creep
Cloak, Decloak, Cloaking Nearby Units
Hallucination2
Unknown 3
Everything except:
turret guard
turret attack
nothing 2
Unknown 4
Stop
Guard, Player Guard, Turret Guard, Bunker Guard, Turret Guard, Guard Post
Attack1, Attack Tile, Tower Attack, Turret Attack
Hold Position
Hover
Nothing, Nothing1, Nothing2
Powerup1, Powerup2
Spider Mines
Drone Build Start, Drone Build
Infest Mine1, Infest Mine2, Infest Mine3
Build1, Build2, Build3, Build4
Repair1, Repair2
Train, Train Fighter
Rally Point1, Rally Point2
Zerg Birth
Morph1, Morph2
Build Self1, Zerg Build Self, Build Self2
Carrier, Carrier Ignore1, Carrier Stop, Carrier Attack1, Carrier Attack2, Carrier Ignore2, Carrier Fight
Reaver Attack1, Reaver Attack2
Strafe Unit1, Strafe Unit2
Return
Drone Land, Drone Lift Off, Lift Off
Larva
Spawning Larva
Pick Up1, Pick Up2, Pick Up3
Sap Unit, Sap Location
Teleport, Teleport to Location
Place Scanner, Scanner
Computer AI
Rescue Passive
Self Destructing
Medic Heal1
Fatal
Unknown 5
Stop
Guard, Player Guard, Turret Guard, Bunker Guard, Guard Post
Attack1, Turret Attack
Nothing1, Nothing2
Computer AI
Rescue Passive
Self Destructing, Fatal
Unknown 7
Everything except:
stop
guard, player guard, Guard Post
ignore, Carrier Ignore, Carrier Ignore2
Nothing1, Nothing2
Carrier
Recharge Shields2, Shield Battery
CTF COP Init, CTF COP1, CTF COP2
Computer AI
Rescue Passive
Neutral
Computer Return
Self Destructing
Critter
Hidden Gun
Open Door, Close Door
Hide Trap, Reveal Trap
Enable Doodad, Disable Doodad
Warp In
Heal Move, Medic Heal2
Unknown 8
Stop, Reaver Stop, Carrier Stop
Guard, Player Guard, Hold Position, Reaver Hold, Hold Position1, Hold Position2, Hold Position3, Medic Hold Position
Ignore, Carrier Ignore1, Carrier Ignore2
Attack1, Attack2, Attack Unit, Attack Fixed Range, Attack Tile, Attack Move, Turret Attack, Carrier Attack1,
Carrier Attack2, Carrier Fight, Reaver Attack1, Reaver Attack2, Reaver Fight
Hover
Stay In Range
Repair1, Repair2
Enter Nydas Canal
Follow
Carrier, Reaver
Recharge Shields1
Return, Harvest1, Harvest2, Harvest Gas1, Return Gas, Harvest Minerals1, Return Minerals
Enter Transport
Pickup2
Move Unload
Right Click Action
Sap Unit, Sap Location
Patrol
Medic, Medic Heal1, Heal Move, Medic Heal2
Unknown 9
Build4
Repair1, Repair2
Enter Nydas Canal
Harvest Gas2, Harvest Gas3, Harvest Minerals2, Harvest Minerals3, Harvest3, Harvest4
Medic Heal1
Unknown 10
Everything Except:
Attack Tile
Rally Point2
Dark Swarm, Cast Parasite, Consume, Ensnare, Spawn Broodlings, Stasis Field, Hallucination1, Restoration,
Psionic Storm, Irradiate, Plague, EMP Shockwave, Cast Disruption Web, Cast Mind Control, Cast Feedback,
Cast Optical Flare, Nuke Wait, Nuke Train, Nuke Launch, Nuke Paint, Nuke Unit, Nuke Ground, Nuke Track
Teleport to Location
Place Scanner
Unknown 11
Guard, Player Guard, Turret Guard, Guard Post
Reaver Stop, Carrier Stop
Carrier
Pick Up1, Pick Up3
Patrol
Computer AI
Neutral
Critter