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|1,0 |0,1

|0D||newairports||1 |0E||largestations||1

| 1 km/h = 0.2778 m/s | 1 mph = 0.4470 m/s

| [0 <nowiki>|</nowiki> 1] | 1 if this town is marked as a "city", 0 if it's not.

if (param[1] == 1) {

|S||1 if the building should accept food/fizzy drinks instead of goods |g||If S is 1, the food acceptance in 1/8 units

1, 0: small_airport_tiles_terminal; 0, 1: small_airport_tiles_taxi;

| 1 | 1

...roperty 1A. Currently only effect 0 (plant fields periodically) and effect 1 (cut nearby trees periodically) are supported. ...the low byte is always zero at this point. The default behaviour is giving 1/8 chance to plant a new field every 256 ticks.

|0||1||Trigger vehicle trigger 10 |1||2||Update colour map via callback 2D

...same height as the lower parts. Note: this returns height in increments of 1 (and not 8) |Terrain type: 0 normal, 1 desert, 2 rainforest, 4 on or above snowline

...certain conditions are met. You can return 0 to allow the destruction, or 1 to disallow it, except for human players, who can always remove any buildin ...ect as turning on bit 1 of property 19. When this callback is enabled, bit 1 of property 19 is ignored. If the callback fails, the destruction is allowe

|40||B||{{ottdp|1.10}}||Terrain type: 0 normal, 1 desert, 2 rainforest, 4 on or above snowline. |41||B||{{ottdp|1.10}}||Enhanced tunnels; entrance has track above. Always 0 in OpenTTD.

|40||B||{{ottdp|1.10}}||Terrain type: 0 normal, 1 desert, 2 rainforest, 4 on or above snowline. |41||B||{{ottdp|1.10}}||Enhanced tunnels; entrance has track above. Always 0 in OpenTTD.

...f -4 results in 1/16th of the cost. The minimum and maximum values are -8 (1/256th) and 16 (65536x), respectively. Some example code: ...ING: param[1]; // all running costs are set by the factor in grf parameter 1

other_newgrf_no_high_cost = param["NML\01", 1] &lt; 5; reads parameter 1 (the first one, counting starts at 0) from the NewGRF with the grfID "NML\0

day_of_year(2, 1): 2; day_of_year(11, 1): 4;

|10||D||{{ottdp|1.3|ottdrev=r24367}}||Additional information for sprite selection - See [[Act |18||D||{{ottdp|1.3|ottdrev=r24367}}||Additional information for sprite selection - See [[Act

{{grfFrom|8}} Height of lowest corner of tile (multiple of 1) * Bits 0..2: Terrain type: 0 normal (grass), 1 desert, 2 rainforest, 4 on or above snowline.

* {{ottd|&le;1.11}} <code style="color:green">version_openttd(MAJOR, MINOR, BUILD)</code> ...name=versionopnettd>It should be <code style="color:green">version_openttd(1, MAJOR, MINOR)</code> if you are using NML with version ≤ 0.7.3</ref>

|01 || ||B ||Short summary 1 ===Property 1 name (01)===

|{{ottdp|1.1|2.6|ottdrev=r20352|ttdprev=r1573}} water for canals / locks |1 flat ground sprite followed by 4 slope sprites

| 1 | 1

...in 1/8 units)!! Mail acceptance (in 1/8 units)!! Goods/food acceptance (in 1/8 units)!! Remove ratings decrease!! Remove cost multiplier ...ck of flats|| temperate || 1, 2, 3|| 01h|| 1968|| none|| 40|| 20|| 8|| 3|| 1 || 90|| 100

|08||B||{{ottdp|1.1|2.6|ottdrev=r20353|ttdprev=r1560}}||Canals / Rivers Callback flags, see bel |09||B||{{ottdp|1.1|2.6|ottdrev=r20352|ttdprev=r1573}}||Canals / Rivers Graphic flags

text(" Bridge", 1), text("ton", 1),

text("name1", 1), ...which means that <code style="color:darkgreen">name1</code> is picked with 1/6 chance, <code style="color:darkgreen">name2</code> has a 2/6 chance, and

...se/industry/object tile. To allow altering the ground, return 0. Returning 1 will disallow land modifications.

param[param[2] + 1] = param[3] * param[4];

| 1 | 1

...of the 16 possible player colours. If the vehicle also has misc.flags bit 1 set ..., and only updated via [[Callbacks#32-day callback (32) |callback 32]] bit 1 (or when loading/starting a

|1 |1

1: &lt;string&gt;; version: 1;

!#Houses!! Zone 0 !! Zone 1 !! Zone 2 !! Zone 3 !! Zone 4 | 24 || 8|| || 3|| || 1

...ou release a new version you should increase the version field by at least 1. For a new NewGRF you should set the min_compatible_version to 1. Every time you change something in your newgrf which makes it incompatible

...on. These sprites should only use colour palette indices 0 (transparent), 1 (foreground), and 2 (shadow).

...her it can be selected in the station construction window. &nbsp;Returning 1 as callback return indicates the station can be built, and a return code of

...of 0x400 while custom GRF texts start at 0x400 instead of 0. Return value 1 stands for "Land sloped in wrong direction" instead of "Site unsuitable". ...rsion of OpenTTD before r22658 and TTDPatch only support 0 for success and 1 for error.

...y, in a time interval specified by property 16. Return 0 to do nothing, or 1 to remove the building from the map as if the town decided to destroy it. Y

...umber is accessible in the lowest byte of variable 10 (extra callback info 1) to decide if the sprite number needs an offset.

|1-3||Front facing: 0=SW, 1=NE, 2=NW, 3=SE, 4=E, 5=W, 6=S, 7=N |4-5||Presignals: 0=norm, 1=entrance, 2=exit, 3=combo

...|| 128 x 64 || 128 x 62 || 128 x 63 || -62, -1 ...X*16) || (X*32) x floor(X*15) || (X*32) x (X*16-1) || ceil(X*-31), ceil(X*-1/2) || Generalisation

When an industry has bits 1 or 2 set in property 21, its production is changed. Instead of processing t ...;subtract-in-1&gt; &lt;subtract-in-2&gt; &lt;subtract-in-3&gt; &lt;add-out-1&gt; &lt;add-out-2&gt; &lt;again&gt; </pre>

...s the signed X offset (that is 0h=0, 1h=+1 ... 7h=+7; 8h=-8, 9h=-7 ... Fh=-1), the high nibble contains the Y offset. Therefore the parameter 00h access : {{grfFrom|8}} For GRF version 8 and above: Multiple of 1.

To activate the debugger, use the sign cheat "Cht: grfdebug 1 [<feature> [<id> [<callback>]]]". The "1" is there to activate the debugger. This creates a file "grfdebug.log" (del

|3924 - 3942||all||bulldozed bare land (stage 1, no grass) |4126 - 4144||all||farm land stage 1 (brown)

{{ottdp|1.2.2|no|ottdrev=r24361}} ...esets 0 to 4, and later a second Action1 redefines spriteset 0, spritesets 1 to 4 still refer to the first Action1. Spritesets are feature-specific, eac

Since TTDPatch 2.0.1 alpha 51, this is no longer true, Action 6 will be applied both at initiali <pre>// First, set param 1 (<j>) to the old value of param 0 (<i>)

...each action correctly. In this error message (starting with TTDPatch 2.0.1 alpha 46), the ''code'' defines what kind of error occured, and the positio |1||A real graphics sprite was encountered where a pseudo sprite was expected

....6|2.5}}||4 slope sprites||{{ottdp|1.1|2.6|ottdrev=r20352|ttdprev=r1573}}||1 flat ground sprite followed by 4 slope sprites |03||Canal GUI||{{ottdp|no|2.5}}||1||{{ottdp|no|no}}||undefined

* {{ottdp|1.1|no|ottdrev=r20250}} translations for the name and description of the GRF. ( * {{ottdp|1.1|no|ottdrev=r20254}} the palette (default (=DOS), legacy (=Windows)) the GRF

Unlike actions 1 and 5, which add new sprites for new features or vehicles, action A modifie Unlike actions 1 and 5, the real sprites of action A do not count towards the sprite limit.

{{ottdp|1.1|ottdrev=r19204}} |08||{{ottdp|1.1|ottdrev=r19204}}||B||Substitute airport tile type

version: 1; min_compatible_version: 1;

...| 17 || SOUND_DEPARTURE_OLD_RV_1 || Station departure: truck and old bus (1) (non-toyland) | 60 || 3C || SOUND_DEPARTURE_BUS_TOYLAND_1 || Station departure: bus (1) (toyland)

| 1 | 1

{{ottdp|1.1|no}} === GRF version 0 and 1 ===

|81||B||cargo type (climate independent, column 1, type A in the [[CargoTypes|cargo type list]]) ...uction number; for wagons: number of wagon; for stations 0=source station, 1=destination station

|1||Freight/lorry stop |0||1||Bay stops: Draw road type ground sprite

always_draw: 1; // also draw in transparent mode xextent: 1;

|0D||{{ottdp|0.6|2.6|ottdrev=r11532|ttdprev=r2046}}||Decrement production by 1 |0E||{{ottdp|0.6|2.6|ottdrev=r11532|ttdprev=r2046}}||Increment production by 1

...s action 2 references (to the sprite numbers within the grf file of action 1 sprites and references to variational/random action 2), executes actions 6, |1|| ||<center>I</center>|| ||<center>X</center>|| ||

|Passengers||00||00||4297||1||0||24||3185||98h||98h||PASS||400h |Valuables||0A||0A||4307||2||1||32||7509||BFh||CAh||VALU||100h

...on Query tool, when enquiring a house. Bit 0 of variable 10 will be set to 1 if the house is complete, otherwise it will be 0. The return value is the "

{{ottdp|1.2|no|ottdrev=r22518}} The spritelayout defines fixed spritesets to use from the Action 1. The registers can be used to individually select sprites from the spritese

|09||B||{{ottdp|0.6|2.0}}||Refittable (0 no, 1 yes) ...|0.6|2.0}}||Sound effect type (4=cargo ship, 5=passenger ship)<br/>{{ottdp|1.6|no|ottdrev=r27507}} Since OpenTTD r27507 also custom sound effects from A

...of 0x400 while custom GRF texts start at 0x400 instead of 0. Return value 1 stands for "Land sloped in wrong direction" instead of "Site unsuitable". ...rsion of OpenTTD before r22658 and TTDPatch only support 0 for success and 1 for error.

| 1||MJS 250 (Diesel) ||bitmask(CLIMATE_ARCTIC, CLIMATE_TROPICAL)||date(1955,01 | 1||38||MJS 250 (Diesel)||80 km/h||-||RAIL||600 hp||RUNNING_COST_DIESEL||0||0|

| XXX = [LOOPING <nowiki>|</nowiki> NON_LOOPING], 1..253 frames | [0 <nowiki>|</nowiki> 1]

-1 * -1 02 04 02 -1 * -1 02 04 01

...tdprev=2.5 beta 2}} Available in the purchase list as well.</ref>||{{ottdp|1.2|2.5|ottdrev=r22848}}||D||Player info, see [[VarAction2Vehicles#Player inf |6A||{{ottdp|1.10|no|ottdrev=5df01bf}}||D||GRFID of nearby tiles

...to the feature-specific pages for more information. The default value is -1, which lets NML pick an id for you. The fourth (optional) argument is the s introduction_date: date(1940,1,1);

|0A||B||{{ottdp|0.6|2.0}}||Is large? 0=no, 1=yes (i.e. can't safely land on small airports) ...r25115 the units for acceleration were messed up. The unit used was about 1 mph/tick, so aircraft accelerated more than twice as fast. Also values bigg

...40+x and 80+x are not available, instead variable 10 (extra callback info 1) contains the same information as variable 41 would contain. For the same r

|13||V||{{ottdp|1.9|no|ottdrev=e66cec8f}}||Tile acceptance list ...e current climate, while the high byte defines the degree of acceptance in 1/8 units. If you don't need all three cargo types, just zero out the high by

..."Beta" 00||<probability>/<part>: Second option for first part, probability 1/4 ...edæ" 00 ||<probability>/<part>: First option for second part, probability ~1/3

| {{nml|0.4}} Warn about semi-transparent pixels (1% - 99% alpha) in 32bpp sprites. [1, 1, 53, 14, -25, -10]

{{nml|0.5}} {{ottd|1.9}} The <code style="color:darkgreen">produce</code> block is only availabl ...llback version 2 in the final GRF file, this is only understood by OpenTTD 1.9 and later.

...y understand [[Version_numbers#GRF_container_version|GRF container version 1]] resp. [[Version_numbers#NFO_version|info version 7]]. ..., no sprite may contain zero pixels; ysize and xsize must both be at least 1.

|Airports || {{ottdp|1.1|no}} || Single preview image |Railtypes || {{ottdp|1.0|no|ottdrev=r19056}} || Depends on [[Action3/Railtypes#cargo-type| Action3

...otes on the [[NML:Item|Item page]]), you need to set the 3rd parameter to -1. Example: item(FEAT_HOUSES, item_brewery, -1, HOUSE_SIZE_2X2) {

|43||B||{{ottdp|0.6|2.5}}||Terrain type: 0 normal, 1 desert, 2 rainforest, 4 on or above snowline |64||B||{{ottdp|1.2|2.6|ottdrev=r23070|ttdprev=r1672}}||Cargo acceptance history of nearby st

|08||D||{{ottdp|1.1|2.6|ottdrev=r20670|ttdprev=r2340}}||Class label, see below |09||W||{{ottdp|1.1|2.6|ottdrev=r20670|ttdprev=r2340}}||Text ID for class

|1||7 to 38 months||increases from 48-73% to 75-100% |0||1||Temperate

| 1 if the tile is water, 0 otherwise

|Broad (1520 mm) gauge tracks with generic DC catenary 1,5kV. Speed limit 60 km/h |Broad (1520 mm) gauge tracks with generic DC catenary 1,5kV. Speed limit 100 km/h

|1||<center>1</center>||4B3A||100||build track, also affects "rail maintenance" <ref name |48||<center>30</center>||4C54||1,000,000||funding industries, also affects "stuff with local authority", "bu

|1||Bay||Facing south-east |1||Freight/lorry stop

{{ottdp|1.0|no|ottdrev=r19056}} Railtypes are available only in OpenTTD &gt; r19056 |6 flat and 4 slope, and 1 X crossing pieces ''with track'', and 5 junction pieces without track. Spri

Airports and airport tiles can only be defined in OpenTTD {{ottd|1.1|r19459}} or later. {{ottd|1.1|r19459}} The id of airport to replace / override, see [[AirportTypes]]. '''

bit 1 of variable B2. If set, the vehicle is currently stopped and if clear, the

|1||TTD decided to build a new random industry during regular gameplay and nee

Texts in TTD are mostly in the Latin-1 (ISO-8859-1) character set (except when using UTF-8 encoding; see below), however a few ...offset in next byte of string (variable space). Removed from OpenTTD since 1.3.2.

Above syntax specifies two pseudo sprites. First an [[Action1]] defining 1 spriteset with 0 sprites, then the [[Action2]] referencing only that single

...days since year 0. If the year is a variable, the month and day should be 1. ...ndustries, airports, towns only). Addresses {{ottd|&lt;1.9}} 0..15, {{ottd|1.9}} 0..255 are available for the GRF to use. Note that accessing permanent

* Tile types 1, 3, 5 and 7 are used for station sections with tracks in Y direciton (⤡). ...yle="color:darkgreen">select_tile_type</code> decides between the pairs (0,1), (2,3), (4,5), (6,7) during construction. The orientation is always picked

...cargo type. You must return zero if you don't want to accept the cargo, or 1 to accept it. Other return values are reserved for future use.

default slope graphics and 1 to enable them.

...xpressed in "speed units". For trains and road vehicles, the speed unit is 1 km/h; for ships, it's 0.5 km/h; for aircraft, it's 8 mph. If the max. speed |1||20 (8%)

...le trigger 10 (bit 0) and Update colour map via VEH_CB_COLOUR_MAPPING (bit 1) 1..2: return rail_wagon; // middle parts use rail wagons

Since TTDPatch 2.0.1 alpha 48, it has been possible to use action D to read various special Patc * bit 1 set: Y is the bigger edge(bit 0 is clear).Clear : X is the bigger edge.

...ne if the given building type can be built on a position. It should return 1 to allow building and 0 to cancel it.

|5F|| ||{{ottdp|1.1|no|ottdrev=19744}}||Random bits the industry starts with after construction * {{grfFrom|8}} For GRF version 8 and above: Multiple of 1.

| Number of the cargo for bitmasks. Prior to {{ottd|1.9}} this was clamped to 0..31. This mostly affects old NewGRFs that don't h ...on the vehicle used (see vehicle property 'cargo_age_period'), by default 1 unit = 2.5 days.

|40||D||{{ottdp|1.1|2.6|ottdrev=r20670|ttdprev=r2340}}||Relative position, like [[VarAction2Ind |41||W||{{ottdp|1.1|2.6|ottdrev=r20670|ttdprev=r2088}}||Tile information, see below

If, for example, parameters 0 and 1 are set in the newgrf(w).cfg file, and action D sets parameter 4, then para You can do a bitwise NOT of <param> by calculating "-1 - <param>", i.e. operation=02, source1=FF, source2=param, data=FF FF FF FF.

During this callback, variable 10 (extra callback info 1) contains information about the context where the name is shown.

...ch (FEAT_TRAINS, PARENT, some_vehicle_switch, (position_in_consist + param[1]) % 4) { 401: return num_vehs_in_consist + 1; //return a value with a variable access

{{ottdp|1.10}} Tramtypes are available only in OpenTTD &gt; 1.10 |{{ottd|13|}} 1 sprite for each direction. Sprite is overlay for tram in existing tunnel gr

{{ottdp|1.5|no|ottdrev=r26747}} | 0-1 || Amount of effects to spawn (0 to 3), details are specified via register

{{ottdp|1.2|no|ottdrev=r23045}} Since OpenTTD r23045 the contents of registers 100h.. ...ring with ID D001 for featur 01. Bit 7 of the language byte must be set to 1, because the string ID is a word.

| XXX = [LOOPING <nowiki>|</nowiki> NON_LOOPING], 1..253 frames | 1, 2 or 4

...action 2. Instead, use the first byte of variable 10 (extra callback info 1), which is set to 01 for the first articulated part, 02 for the second and

{{ottdp|1.0|no|ottdrev=r18969}} 16 railtypes can be defined. {{ottdp|1.9|no|ottdrev=bf8d7df7}} 64 railtypes can be defined.

{{ottdp|1.9|no|ottdrev=11ab3c4e}} OpenTTD 1.9 increases the number of cargos to 64. |0B||W||{{ottdp|0.6|2.5}}||TextID to be displayed for 1 unit of cargo

{{ottdp|1.10}} Roadtypes are available only in OpenTTD &gt; 1.10 |{{ottd|13|}} 1 sprite for each direction. Sprite is overlay for road in existing tunnel gr

|44||||{{ottdp| |2.6|ttdprev=r1594}}||Layout number (1-based) |47||||{{ottdp|1.11|no }}||GameScript control status

...ring initialization. Note that this only works properly since TTDPatch 2.0.1 alpha 66, for earlier versions the error popup that is shown is corrupted i Message IDs 04 and 05 are available since TTDPatch 2.6 alpha 1 (r858).

...ick sprites for different GUI windows - See [[Action2/Vehicles]].||{{ottdp|1.2|no|ottdrev=r23080}} |44||D||{{ottdp|0.6|2.5|ttdprev=2.0.1 alpha 48}}||Aircraft info||no

|13,14||V||{{ottdp|1.1|no|ottdrev=r21208}} {{grfFrom|7}}||Gender/case translation table |15||B||{{ottdp|1.1|no|ottdrev=r21216}} {{grfFrom|7}}||Plural form

|69||D||{{ottdp|1.2|no}}||Information about cargo accepted in the past ...elow). The return value contains the acceptance of the given cargo type in 1/8 units. The station accepts the cargo if its acceptance is at least 8/8 un

...e-id</code>, the second replaces <code style="color:darkgreen">sprite-id + 1</code> and so on. Sprite templates can be used as well. For example:

|1||largertowns is enabled, and it allows to grow this town larger

{{nml|0.5}} {{ottdp|1.9|no}}Array with up to 16 [cargo_id, amount]-pairs. ...ur cargo translation table, amount is the acceptance of the given cargo in 1/8 units.<br /> Example: to make a tile accept both COAL and IORE you could

7002 (Player 1) 7063 \98\0ePayment for delivering 10 units (or 1,000 litres) of cargo a distance of 20 squares

|20||V||{{ottdp|1.2|2.6|ottdrev=r23072|ttdprev=r1677}}||Cargo acceptance watch list |23||V||{{ottdp|1.9|no|ottdrev=48b334cf}}||Tile acceptance list

| {{nml|0.5}} {{ottd|1.9}} Types of cargo accepted and produced by the industry, and their product | 0 .. 1 (float)

STR_GRF_NAME :{TITLE} 0.1.0 - {VERSION} |PUSH_COLOUR || {{ottdp|1.10|no}} Push current colour onto colour stack. Use this if you need to swit

error(FATAL, string(STR_REGRESSION_ERROR), string(STR_ANSWER), 14, param[1] + 12 * param[2]);

|08||02..08|| - || {{ottd|1.2|r23159}} |07||02..07||2.5 beta 1 or higher|| {{ottd|0.6}}

|05||B||{{ottdp|1.10|no}}||Roadtype / tramtype (see below)||should be same as front ...6|2.0}}||Sound effect: 17/19/1A for regular, 3C/3E for toyland<br/>{{ottdp|1.6|no|ottdrev=r27507}} Since OpenTTD r27507 also custom sound effects from A

Railtypes can only be defined in OpenTTD {{ottd|1.0|r18969}} or later. {{ottd|1.1|r21842}} Valid range for yyyy is 0 ... 5000000.

| 113 {{ottdp|1.10|no}} {{nml|0.5}} 119 | 1

|0D||8D|| ||B||{{ottdp|0.6|2.5}}|| TTD version, 0=DOS, 1=Windows |10|| || ||D||{{ottdp|0.6|2.5}}|| Extra callback info 1, see [[#Extra_callback_info_.2810_.2F_-.29_and_.2818_.2F_-.29|below]].

| 1

|1A||V||{{ottdp|1.2|no|ottdrev=r22518}}||Advanced sprite layout with register modifiers ...If this property is set, the num-ent in the corresponding [[Action1|action 1]] need not be equal to 12 (hex), it can in fact be any number, and any numb

|1||Start sound, called when leaving a station or depot, take-off sound for pl

...l element, that is a regular action 2 which contains definitions of action 1 sets, or a callback result. |7B||-||{{ottdp|1.1|2.6|ottdrev=r21604|ttdprev=r2359}}||A special 60+x variable to be used in A

|1 (sprite blk)||yes||yes|| |6 (apply param)||n/a*||yes||* "yes" since TTDPatch 2.0.1 alpha 51

This is the list of action 1 sets to use, first num-ent1 for the first range, then num-ent2 entries for

...or several new features of OpenTTD and TTDPatch. This is similar to action 1. |04,84<ref name="offset">Offset allowed since {{ottdp|1.2|no|ottdrev=r23005}}</ref>||{{ottdp| |2.5|ttdprev=alpha 41}}||Pre-signal,

|1||<center>01</center>||<center>1</center>||MJS 250 (Diesel) |117||<center>01</center>||<center>1</center>||Hereford Leopard Bus

|{{ottdp|1.10}} |{{ottdp|1.10}}

|{{ottdp|1.10}} |{{ottdp|1.10}}

...icle itself. Uses register 0x100 if x is not a constant expression between 1 and 15</ref> | 32-day callback returned 1

3020 \80 Buoy 1

{{ottdp|0.6|2.5|ttdprev=2.0.1 alpha 73}} ...size proportional font, 2 for the large size proportional font, or {{ottdp|1.2|no|ottdrev=23274}} 3 for the normal size non-proportional font.

|08||B||{{ottdp|0.6|2.0}}||AI special flag: set to 1 if engine is 'optimized' for passenger service (AI won't use it for other c |09||W||{{ottdp|0.6|2.0}}||Speed in mph*1.6 (see below)||no

...between) (This requirement is no longer present starting from TTDPatch 2.0.1 alpha 41.) ...they must not be interrupted by other sprites (except, since TTDPatch 2.0.1 alpha 41, a possible action 6).

* {{ottd|&lt;1.6}} OpenTTD < 1.6: 64 * {{ottd|1.6}} OpenTTD ⩾ 1.6: 128 per NewGRF, 240 in total

|EXM1||Example 1||An example label listing||your name here||Forum link goes here

This text class exists only in TTDPatch 2.0.1 alpha 59 and later. It contains language-dependent texts that didn't have t E04A kmh-1

...existing NML files. NewGRFs thus will require a minimum OpenTTD version of 1.2.0 (r23166). ...allows answering the question: How much units of cargo X are equivalent to 1 ton of coal, resp. 1000 litres of water?

|08||B||{{ottdp|1.1|no|ottdrev=r19459}}||Airport type override |0A||V||{{ottdp|1.1|no|ottdrev=r20377}}||Set airport layout(s)

| 1 | 1

{{ottdp|0.6|2.5|ttdprev=2.0.1 alpha 57}} * 8-bit or {{ottdp|1.0|no}} 16-bit

|1||01||Concrete Bridge |08<ref>The meaning of prop. 08 has changed in TTDPatch 2.0.1 alpha 34, it used to be what is now prop. 0D.</ref>||B||{{ottdp|0.6|2.5|ttd

| {{ottdp|1.2|no|ottdrev=r23291}} A list of cargo types to allow refitting to, irrespec | {{ottdp|1.2|no|ottdrev=r23291}} A list of cargo types to disallow refitting to, irres

Tramtypes can only be defined in OpenTTD {{ottd|1.10}} and {{nml|0.5}} or later. | 1 sprite for each direction. Sprite is overlay for tram in existing tunnel gr

2053 \94\80\0d\90 Buy 1 year's exclusive transport rights in town. Town authority will only allow p

|c ||Horse-drawn Wagonway ||1 metric tonne (1000kg) per axle || style="text-align:right;"|1594 |b ||Iron Plateway ||1 metric tonne (1000kg) per axle || style="text-align:right;"|1799

| 1 | {{ottdp|1.0|no|ottdrev=r18283}}

Roadtypes can only be defined in OpenTTD {{ottd|1.10}} and {{nml|0.5}} or later. | {{ottd|13}} and {{nml|0.7.2}} 1 sprite for each direction. Sprite is overlay for road in existing tunnel gr

|1 |1

To avoid ambiguity, dword-sized dates before 1 Jan 32 must be specified with the YMD formats, not the DMY formats. eg 10 F

|Objects || {{ottdp|1.1|2.6|ttdprev=alpha r2023}} |Airport Tiles || {{ottdp|1.1|no}}

Since TTDPatch 2.0.1 alpha 51, it has been possible to use action D to participate in cooperativ ...y like their regular counterparts, but they set the <target> parameter to -1 (FFFFFFFF) if the resources are unavailable, which can be checked with acti

|1 || 0x01 || pale green || dark blue

For features 0, 1, 2 and 3 (vehicles), Action2 is mainly used to define sets of sprites that | 0 - 7 || {{ottdp|1.2|no|ottdrev=r23080}} Specifies, where the sprite is being displayed. See b

...r \2sto <ref name="renum1265">Supported since grfcodec and nforenum r1265 (1.0.0 and 3.4.4, respectively.)</ref>||var7D[val2] = val1, result = val1||{{ |10||\2psto <ref name="grfcodec100">Supported since grfcodec 1.0.0 and nforenum 4.0.0.</ref>||var7C[val2] = val1, result = val1||{{ottdp|0

|1||02||English |{{ottd|1.7|rev=r27769}} Useable like DCxx in Action 0 and for inclusion via string c

80E1 Yate Aerospace YAC 1-11

01D9 \0eCustom 1 01F6 \98Select 'Custom 1' (user-defined) program

!ID!!Land shape flags (0D)!!Acceptance 1 (0A)!!Acceptance 2 (0B)!!Acceptance 3 (0C)!!ground sprites!!building sprite

|18h||Farm (sub-tropical)||0||0||0||0||2||1||0||0