Addresses - Revision history

Nokaubure at 23:15, 27 January 2020

2020-01-27T23:15:54Z

2018-04-05T16:45:32Z

‎VROM

2017-12-12T02:52:14Z

‎Segment Address Table

2017-12-11T08:45:55Z

‎Segment Address Table

2017-07-03T07:00:56Z

‎Segment Address Table

2016-06-19T01:33:27Z

‎Segment Addresses

2016-05-02T14:35:19Z

‎Segment Addresses and Segment Offsets

2015-11-11T11:47:28Z

‎Segment Addresses and Segment Offsets

2015-10-26T07:22:13Z

‎Segment Addresses and Segment Offsets: title_static's texture calls are to bank 01

2015-10-18T20:52:18Z

fix it later

@@ Line 38: / Line 38: @@
 === Segment Address Table ===
-The segment address table is an array of 16 pointers, which define the start address for offset 0 of all 16 segment ids. Ocarina of Time typically assigns segment addresses in a consistent way:
+The segment address table is an array of 16 pointers, located at 80166FA8 in ram (debug rom), which define the start address for offset 0 of all 16 segment ids. Ocarina of Time typically assigns segment addresses in a consistent way:
 {| {{ts|al}} | class="wikitable sortable" {{ts|ac|ml5|font-family: monospace}}

@@ Line 11: / Line 11: @@
 == VROM ==
-VROM stands for virtual rom. In commercial releases, the majority of the game files are compressed so that the game is able to fit on the limited space of the 32 MiB rom. VROM addresses are thus used to represent the space that the file would be located if none of the files were compressed.
+VROM stands for virtual rom. In commercial releases, the majority of the game files are compressed so that the game is able to fit on the limited space of the 32 MiB rom. VROM addresses are thus used to represent the space that the file would be located if none of the files were compressed. See [[Filesystem]] for more information.
 == RAM ==

@@ Line 93: / Line 93: @@
 | {{ts|al}} |
 |-
-| 14
+| 0E
 | {{ts|al}} | Z-Buffer
 | {{ts|al}} | RSP only.
 |-
-| 15
+| 0F
 | {{ts|al}} | Frame Buffer
 | {{ts|al}} | RSP only.

@@ Line 40: / Line 40: @@
 The segment address table is an array of 16 pointers, which define the start address for offset 0 of all 16 segment ids. Ocarina of Time typically assigns segment addresses in a consistent way:
-{|class="wikitable"
+{| {{ts|al}} | class="wikitable sortable" {{ts|ac|ml5|font-family: monospace}}
-|00 || Direct Reference||
+! # || Destination || Notes
 |-
-|01 || [[nintendo_rogo_static]]/[[title_static]]||
+| 00
 |-
-|02 || Current [[Scene]]/[[parameter_static]]|| Only current scene<br />tracked by CPU
+| 01
 |-
-|03 || Current [[Room]]||
+| 02
 |-
-|04 || [[gameplay_keep]]||
+| 03
 |-
-|05 || [[gameplay_field_keep]] (outside of dungeons), or [[gameplay_dangeon_keep]] (dungeons)||
+| 04
 |-
-|06 || Current [[Object]]||
+| 05
 |-
-|07 || unknown/[[link_animetion]]||
+| 06
 |-
-|08+ || determined by current game circumstances|| Not tracked by CPU
+| 07
 |-
-|14 || Z-Buffer || RSP Only
+! colspan=4 | Segments 08+ are determined by in-game circumstances, and aren't tracked by the CPU.
 |-
-|15 || Frame Buffer || RSP Only
+| 08
 |}
 [[Category:Documentation]]

@@ Line 45: / Line 45: @@
 |01 || [[nintendo_rogo_static]]/[[title_static]]||
 |-
-|02 || Current [[Scene]]||
+|02 || Current [[Scene]]/[[parameter_static]]|| Only current scene<br />tracked by CPU
 |-
 |03 || Current [[Room]]||

@@ Line 27: / Line 27: @@
 N64 games can address 8 MiB of virtual ram (addresses <tt>80800000</tt> to <tt>80FFFFFF</tt>).
-== Segment Addresses and Segment Offsets ==
+== Segment Addresses ==
-The N64's Reality Signal Processor (RSP) utilizes a segment address system to locate matrix, vector, and texture data required to render a frame. 16 addresses used to reference pure data files. Unlike addresses, bank offsets share the same addressable space across a set of files, rather than allocate a unique space for every file used in the game.
+Segment addresses take the form <tt>ssoooooo</tt>:
-Bank offsets take the form <tt>bboooooo</tt>:
+Almost always, a segment address of ss00 0000 will reference the start of some file.
-The following is a list of known values for '''b''':
+=== Segment Address Table ===
 {|class="wikitable"
 |00 || unknown
@@ Line 41: / Line 44: @@
 |01 || [[nintendo_rogo_static]]/[[title_static]]
 |-
-|02 || [[Scene]]
+|02 || Current [[Scene]]
 |-
-|03 || [[Room]]
+|03 || Current [[Room]]
 |-
 |04 || [[gameplay_keep]]
@@ Line 49: / Line 52: @@
 |05 || [[gameplay_field_keep]] (outside of dungeons), or [[gameplay_dangeon_keep]] (dungeons)
 |-
-|06 || current [[Object]]
+|06 || Current [[Object]]
 |-
 |07 || unknown/[[link_animetion]]

@@ Line 39: / Line 39: @@
 |00 || unknown
 |-
-|01 || unknown
+|01 || [[title_static]]?
 |-
 |02 || [[Scene]]