Storages - Revision history

Michi cc: Larger persistent storage for OTTD.

2018-09-02T19:50:35Z

Larger persistent storage for OTTD.

← Older revision		Revision as of 19:50, 2 September 2018
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	{{ottdp\|0.6\|2.6}}		{{ottdp\|0.6\|2.6}}

	'''Size:''' 00 - 0F (16)		'''Size:''' 00 - 0F (16) or 00 - FF (256) (since {{ottd\|1.9\|6391d49}})

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.
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	{{ottdp\|1.2\|ottdrev=r22569}}		{{ottdp\|1.2\|ottdrev=r22569}}

	'''Size:''' 00 - 0F (16) for each GRFID		'''Size:''' 00 - 0F (16) or 00 - FF (256) (since {{ottd\|1.9\|6391d49}}) for each GRFID

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

Michi cc: /* Persistent storage accessed by GRFID */ OTTD source says 7C

2011-12-27T17:51:00Z

Persistent storage accessed by GRFID: OTTD source says 7C

← Older revision		Revision as of 17:51, 27 December 2011
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	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

	'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7D]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]). The GRFID to access must be stored in temporary register 0x100 before checking variable 7D. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7C]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]). The GRFID to access must be stored in temporary register 0x100 before checking variable 7C. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

	'''Features that support it:''' Towns (since OpenTTD r22569)		'''Features that support it:''' Towns (since OpenTTD r22569)

Yexo: fix variable numbers

2011-12-27T16:58:14Z

fix variable numbers

← Older revision		Revision as of 16:58, 27 December 2011
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	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2sto (0E)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2sto (0E)]] allows to store values inside the registers of this storage.

	'''Data access:''' The first 256 registers 00 to FF can be read using [[VariationalAction2#Variable\|variable 7C]]. The rest of the values (100 to 10F) are write only: they are used to pass extra data to some 4x and 6x variables, as well as for returning extra data from callbacks.		'''Data access:''' The first 256 registers 00 to FF can be read using [[VariationalAction2#Variable\|variable 7D]]. The rest of the values (100 to 10F) are write only: they are used to pass extra data to some 4x and 6x variables, as well as for returning extra data from callbacks.


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	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.

	'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7D]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]).		'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7C]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]).

	'''Features that support it:''' Industries (0A)		'''Features that support it:''' Industries (0A)
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	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

	'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7D]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]). The GRFID to access must be stored in temporary register 0x100 before checking variable 7C. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7D]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]). The GRFID to access must be stored in temporary register 0x100 before checking variable 7D. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

	'''Features that support it:''' Towns (since OpenTTD r22569)		'''Features that support it:''' Towns (since OpenTTD r22569)

Yexo: /* Persistent storage accessed by GRFID */

2011-11-01T20:00:37Z

Persistent storage accessed by GRFID

← Older revision		Revision as of 20:00, 1 November 2011
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	{{ottdp\|1.2\|ottdrev=r22569}}		{{ottdp\|1.2\|ottdrev=r22569}}

	'''Size:''' 00 - FF (16) for each GRFID		'''Size:''' 00 - 0F (16) for each GRFID

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

Terkhen: Clarify that nothing else can modify the temporary storage during the execution of a chain

2011-07-29T11:05:21Z

Clarify that nothing else can modify the temporary storage during the execution of a chain

← Older revision		Revision as of 11:05, 29 July 2011
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	Temporary storage contains values local to the current [[VariationalAction2]] chain. When a new chain starts, the values inside the temporary storage are undefined. Therefore, they should not be used unless they have been properly initialized.		Temporary storage contains values local to the current [[VariationalAction2]] chain. When a new chain starts, the values inside the temporary storage are undefined. Therefore, they should not be used unless they have been properly initialized. During the execution of a chain, only that chain can modify the values in the temporary storage.

	===Persistent storage===		===Persistent storage===

Frosch: obiwan is even here

2011-07-25T19:37:06Z

obiwan is even here

← Older revision		Revision as of 19:37, 25 July 2011
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	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2sto (0E)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2sto (0E)]] allows to store values inside the registers of this storage.

	'''Data access:''' The first FF registers can be read using [[VariationalAction2#Variable\|variable 7C]]. The rest of the values are write only: they are used to pass extra data to some 4x and 6x variables, as well as for returning extra data from callbacks.		'''Data access:''' The first 256 registers 00 to FF can be read using [[VariationalAction2#Variable\|variable 7C]]. The rest of the values (100 to 10F) are write only: they are used to pass extra data to some 4x and 6x variables, as well as for returning extra data from callbacks.

Frosch: hex and dec sizes

2011-07-25T19:34:10Z

hex and dec sizes

← Older revision		Revision as of 19:34, 25 July 2011
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	{{ottdp\|0.6\|2.6}}		{{ottdp\|0.6\|2.6}}

	'''Size:''' ~~100~~ (from TTDPatch r1246 to r1301) or 10F (since TTDPatch r1301 and OpenTTD r9707)		'''Size:''' 00 - FF (256) (from TTDPatch r1246 to r1301) or 00 - 10F (272) (since TTDPatch r1301 and OpenTTD r9707)

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2sto (0E)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2sto (0E)]] allows to store values inside the registers of this storage.
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	{{ottdp\|0.6\|2.6}}		{{ottdp\|0.6\|2.6}}

	'''Size:''' 10		'''Size:''' 00 - 0F (16)

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.
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	{{ottdp\|1.2\|ottdrev=r22569}}		{{ottdp\|1.2\|ottdrev=r22569}}

	'''Size:''' 10 for each GRFID		'''Size:''' 00 - FF (16) for each GRFID

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

Frosch: version tags

2011-07-25T19:30:11Z

version tags

← Older revision		Revision as of 19:30, 25 July 2011
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	==Description==		==Description==
	===Temporary storage===		===Temporary storage===
			{{ottdp\|0.6\|2.6}}

	'''Size:''' 100 (from TTDPatch r1246 to r1301) or 10F (since TTDPatch r1301 and OpenTTD r9707)		'''Size:''' 100 (from TTDPatch r1246 to r1301) or 10F (since TTDPatch r1301 and OpenTTD r9707)
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	===Persistent storage===		===Persistent storage===
			{{ottdp\|0.6\|2.6}}

	'''Size:''' 10		'''Size:''' 10
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	===Persistent storage accessed by GRFID===		===Persistent storage accessed by GRFID===
			{{ottdp\|1.2\|ottdrev=r22569}}

	'''Size:''' 10 for each GRFID		'''Size:''' 10 for each GRFID

Terkhen: Add a note about town storage support

2011-06-15T07:07:15Z

Add a note about town storage support

← Older revision		Revision as of 07:07, 15 June 2011
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	'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7D]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]). The GRFID to access must be stored in temporary register 0x100 before checking variable 7C. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data access:''' The registers can be read using [[VariationalAction2#Variable\|variable 7D]]. Note that it is possible to access the persistent storage of related objects (see [[VariationalAction2#Type]]). The GRFID to access must be stored in temporary register 0x100 before checking variable 7C. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.

	'''Features that support it:''' Towns		'''Features that support it:''' Towns (since OpenTTD r22569)

Terkhen: Add note about access to persistent storage by unsupported features

2011-06-14T21:15:59Z

Add note about access to persistent storage by unsupported features

← Older revision		Revision as of 21:15, 14 June 2011
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	Persistent storage is associated to a single item. When the item is created, all of the values of the persistent storage are set to zero. Persistent storage values cannot be accessed or modified by items that are being created.		Persistent storage is associated to a single item. When the item is created, all of the values of the persistent storage are set to zero. Persistent storage values cannot be accessed or modified by items that are being created. Persistent storage should not be read if the current feature doesn't support it.

	===Persistent storage accessed by GRFID===		===Persistent storage accessed by GRFID===
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	Features supporting persistent storage accessed by GRFID are not restricted to a single persistent storage; there is a persistent storage associated to every GRFID. An item only has write access to the persistent storage associated to its own GRFID, but it can read the registers of any GRFID. Persistent storage values cannot be accessed or modified by items that are being created.		Features supporting persistent storage accessed by GRFID are not restricted to a single persistent storage; there is a persistent storage associated to every GRFID. An item only has write access to the persistent storage associated to its own GRFID, but it can read the registers of any GRFID. Persistent storage values cannot be accessed or modified by items that are being created. Persistent storage should not be read if the current feature doesn't support it.

← Older revision		Revision as of 19:50, 2 September 2018
Line 19:		Line 19:
	{{ottdp\|0.6\|2.6}}		{{ottdp\|0.6\|2.6}}

	'''Size:''' 00 - 0F (16)		'''Size:''' 00 - 0F (16) or 00 - FF (256) (since {{ottd\|1.9\|6391d49}})

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage.
Line 33:		Line 33:
	{{ottdp\|1.2\|ottdrev=r22569}}		{{ottdp\|1.2\|ottdrev=r22569}}

	'''Size:''' 00 - 0F (16) for each GRFID		'''Size:''' 00 - 0F (16) or 00 - FF (256) (since {{ottd\|1.9\|6391d49}}) for each GRFID

	'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.		'''Data storage:''' [[VarAction2Advanced#operator\|Operator \2psto (10)]] allows to store values inside the registers of this storage. The GRFID to access must be stored in temporary register 0x100 before using Operator 10. 0xFFFFFFFF can be used to access the GRFID of the item using the current [[VariationalAction2]] chain.