RAM: Bank 0x7E: Page 0x00 - Revision history

Tatters at 02:27, 21 December 2016

2016-12-21T02:27:24Z

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Superskuj at 23:53, 20 December 2016

2016-12-20T23:53:27Z

Superskuj at 23:32, 20 December 2016

2016-12-20T23:32:52Z

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Superskuj: Superskuj moved page Rom/Page 0x00 to RAM: Bank 0x7E: Page 0x00

2016-12-20T22:22:49Z

Superskuj moved page Rom/Page 0x00 to RAM: Bank 0x7E: Page 0x00

Tatters at 07:14, 20 December 2016

2016-12-20T07:14:31Z

Tatters: Created page with "{{subpage|ROM}} Note that these addresses are only one byte and you can assume that they are {{$|7E00XX}} where {{hex|XX}} are the byte addresses you see below. * {{$|00}}[{..."

2016-12-20T07:05:39Z

Created page with "{{subpage|ROM}} Note that these addresses are only one byte and you can assume that they are {{$|7E00XX}} where {{hex|XX}} are the byte addresses you see below. * {{$|00}}[{..."

New page

{{subpage|ROM}}

Note that these addresses are only one byte and you can assume that they are {{$|7E00XX}} where {{hex|XX}} are the byte addresses you see below.

* {{$|00}}[{{0x|10}}] = Mainly used as work registers. Storage of addresses and values.
* {{$|10}}[{{0x|01}}] = Main Module index
* {{$|11}}[{{0x|01}}] = Submodule Index (See $B0)
* {{$|12}}[{{0x|01}}] = NMI Boolean.
** If set to zero, the game will wait at a certain loop until NMI executes. The NMI interrupt generally sets
it to one after it's done so that the game can continue doing things other than updating the screen.
* {{$|13}}[{{0x|01}}] = Screen settings
* {{$|14}}[{{0x|01] = Graphics Flag
** Value based flag, that if nonzero, causes the tile map to update
* {{$|15}}[{{0x|01] = Graphics Flag
** update CGRAM (0x200 bytes)
* {{$|16}}[{{0x|01] = Graphics Flag
** update HUD portion of BG3 tile map from {{$|7EC700}} ({{0x|14A}} bytes)
* {{$|17}}[{{0x|01] = Graphics Flag
* {{$|18}}[{{0x|01] = Graphics Flag

* {{$|19}}[{{0x|01}}] = Graphics flag.
** When nonzero, will trigger a transfer from {{$|7FXXXX}} to vram address {{$|YY00 XXXX}} is specified by variable {{$|0118 YY}} is specified by this variable
* {{$|1A}}[{{0x|01}}] = Frame Counter
* {{$|1B}}[{{0x|01}}] = Flag is set to 1 if you are in a building. Set to 0 otherwise (credit: Euclid)
* {{$|1C}}[{{0x|01}}] = Main Screen Designation ({{$|212C}}): xxxsabcd
** s - Sprite layer enabled
** a - BG3 enabled
** b - BG2 enabled
** c - BG1 enabled
** d - BG0 enabled
* {{$|1D}}[{{0x|01}}] = Sub Screen Designation ({{$|212D}})
* {{$|1E}}[{{0x|01}}] = Window Mask Activation ({{$|212E}})
* {{$|1F}}[{{0x|01}}] = Subscreen Window Mask Activation ({{$|212F}})
* {{$|20}}[{{0x|02}}] = Link’s Y-Coordinate (mirrored at {{$|0FC4}})
* {{$|22}}[{{0x|02}}] = Link’s X-Coordinate (mirrored at {{$|0FC2}})
* {{$|22}}[{{0x|01}}] = (alternate) Used as a step counter for the attract mode.
* {{$|24}}[{{0x|02}}] = 0xFFFF usually, but if Link is elevated off the ground it is considered to be his Z coordinate i.e. it's his height off of the ground
* {{$|26}}[{{0x|01}}] = Link’s push state (These of course can be combined):
** right = {{0x|1}}
** left = {{0x|2}}
** down = {{0x|4}}
** up = {{0x|8}}
** nothing = {{0x0}}
* {{$|26}}[{{0x|01}}] = (alternate) Indicates the current 2bpp graphic to display in attract mode.
* {{$|27}}[{{0x|01}}] = Link's Recoil for vertical collisions
* {{$|27}}[{{0x|01}}] = (alternate) Flag indicating whether to display a new 2bpp graphic in attract mode.
* {{$|28}}[{{0x|01}}] = Link's Recoil for horizontal collisions
* {{$|28}}[{{0x|01}}] = (alternate) Aghanim’s base X coordinate relative to the screen. (history mode)
* {{$|29}}[{{0x|01}}] = vertical resistance
* {{$|29}}[{{0x|01}}] = (alternate) Aghanim’s base Y coordinate relative to the screen. (history mode)
* {{$|2A}}[{{0x|01}}] = horizontal resistance
* {{$|2B}}[{{0x|02}}] = ????
* {{$|2D}}[{{0x|01}}] = ????
* {{$|2E}}[{{0x|01}}] = animation steps.. seems to cycle from 0 to 5 then repeats
* {{$|2F}}[{{0x|01}}] = The direction Link is facing:
** 0 - up,
** 2 - down,
** 4 - left,
** 6 - right.
* {{$|30}}[{{0x|01}}] = When Link is moving down or up, this is the signed number of pixels that his Y coordinate will change by
* {{$|31}}[{{0x|01}}] = Same as $30 except it's for X coordinates
* {{$|32}}[{{0x|02}}] = seems to be used in some subsection of Bank 07, not sure which one though
* {{$|34}}[{{0x|04}}] = ???? These seem to be free ram
* {{$|38}}[{{0x|02}}] = seems to be set some of the time when going up diagonal walls.
It's a bit field for tiles type 0x10 through 0x13
* {{$|3A}}[{{0x|01}}] = Bit 7: the B button is held down or sword is out.
** Bit 6: the Y button is down.
** Bit 0: Initial B button press
* {{$|3B}}[{{0x|01}}] = Bit 7: the A button is down.
** Bit 4: ???
* {{$|3C}}[{{0x|01}}] = Lower Nibble: How many frames the B button has been held, approximately.
Upper nibble set to 9 on spin attack release.
* {{$|3D}}[{{0x|01}}] = A delay timer for the spin attack. Used between shifts to make the animation flow with the flash effect.
Also used for delays between different graphics when swinging your sword.
* {{$|40}}[{{0x|01}}] = Y coordinate related variable
* {{$|41}}[{{0x|01}}] = X coordinate related variable
* {{$|42}}[{{0x|01}}] = set to 0x0F during preoverworld
* {{$|43}}[{{0x|01}}] = "
536$44}}[{{0x|01}}] = set to 0x80 during preoverworld
* {{$|45}}[{{0x|01}}] = "
* {{$|46}}[{{0x|01}}] = A countdown timer that incapacitates Link when damaged or in recoil state.
If nonzero, no movement input is recorded for Link.
* {{$|47}}[{{0x|01}}] = Set when damaging enemies, unsure of exact usage yet.
* {{$|48}}[{{0x|01}}] = If set, when you push A Link will grab at the air.
* {{$|49}}[{{0x|01}}] = This address is written to make Link move in any given direction. Indoors it is cleared every frame.
Outdoors it is not cleared every frame so watch out.
* {{$|4B}}[{{0x|01}}] = Link's visibility status. If set to 0xC, Link will disappear.
* {{$|4C}}[{{0x|01}}] = Counter that decreases every frame when the Cape is in used. Starts at 4 and counts down to 0.
When it reaches 0, your magic meter is decremented based on whether you have full or 1/2 magic.
There's a table in Bank 07 that determines this
* {{$|4D}}[{{0x|01}}] = An Auxiliary Link handler.
As far as I know:
** 0x00 - ground state (normal)
** 0x01 - the recoil status
** 0x02 - jumping in and out of water?
** 0x04 - swimming state.
* {{$|4E}}[{{0x|01}}] = ????
* {{$|4F}}[{{0x|01}}] = Index for creating the dashing sound effect. If frozen to a single value, no sound occurs.
* {{$|50}}[{{0x|01}}] = A flag indicating whether a change of the direction Link is facing is possible.For example, when the B button is held down with a sword.
** 0 - can change,
** on zero - can't change.
* {{$|51}}[{{0x|01}}] = ????
* {{$|53}}[{{0x|01}}] = ????
* {{$|55}}[{{0x|01}}] = Cape flag, when set, makes you invisible and invincible. You can also go through objects such as bungies.
* {{$|56}}[{{0x|01}}] = Link's graphic status:
** 1 = bunny link,
** 0 = real link.
* {{$|57}}[{{0x|01}}] = Modifier for Link's movement speed.
** 0x00 to 0x-- = normal
** 0x01 to 0x0F = slow
** 0x10 to 0xFF = fast
Negative values actually reverse your direction!
* {{$|58}}[{{0x|01}}] = Bitfield describing interactions with stairs tiles. uuuussss
** s - Stair tiles
** u - free ram
If this masked with 0x07 equals 0x07, Link moves slowly, like he's on a small staircase
* {{$|02C0 also needs this variable to be nonzero to trigger
* {{$|59}}[{{0x|01}}] = ????
* {{$|5A}}[{{0x|01}}] = ????
* {{$|5B}}[{{0x|01}}] = 0: indicates nothing
1: Link is dangerously near the edge of a pit
2: Link is falling
* {{$|5D}}[{{0x|01}}] = Link Handler or "State"
** 0x0 - ground state
** 0x1 - falling into a hole
** 0x2 - recoil from hitting wall / enemies
** 0x3 - spin attacking
** 0x4 - swimming
** 0x5 - Turtle Rock platforms
** 0x6 - recoil again (other movement)
** 0x7 - hit by Aghanim’s bug zapper
** 0x8 - using ether medallion
** 0x9 - using bombos medallion
** 0xA - using quake medallion
** 0xB - ???
** 0xC - ???
** 0xD - ???
** 0xE - ???
** 0xF - ???
** 0x10 - ???
** 0x11 - falling off a ledge
** 0x12 - used when coming out of a dash by pressing a direction other than the dash direction
** 0x13 - hookshot
** 0x14 - magic mirror
** 0x15 - holding up an item
** 0x16 - asleep in his bed
** 0x17 - permabunny
** 0x18 - stuck under a heavy rock
** 0x19 - Receiving Ether Medallion
** 0x1A - Receiving Bombos Medallion
** 0x1B - Opening Desert Palace
** 0x1C - temporary bunny
** 5380x1D - Rolling back from Gargoyle gate or PullForRupees object
** 0x1E - The actual spin attack motion.
* {{$|5E}}[{{0x|01}}] = Speed setting for Link. The different values this can be set to index into a table that sets his real speed. Some common values:
** 0x00 - Normal walking speed
** 0x02 - Walking (or dashing) on stairs
** 0x10 - Dashing
* {{$|60}}[{{0x|01}}] = During story mode, used as a counter for one set of jump tables.
* {{$|64}}[{{0x|02}}] = 0x1000 if $EE = 1,
** 0x2000 if $EE = 0.
* {{$|66}}[{{0x|01}}] = Indicates the last direction Link moved towards. Value wise:
** 0 - Up,
** 1 - Down,
** 2 - Left,
** 3 - Right
* {{$|67}}[{{0x|01}}] = Indicates which direction Link is walking (even if not going anywhere)
bitwise: 0000abcd.
** a - Up,
** b - Down,
** c - Left,
** d - Right
* {{$|68}}[{{0x|01}}] = ????
* {{$|69}}[{{0x|01}}] = ???
* {{$|6A}}[{{0x|01}}] = ???
* {{$|6B}}[{{0x|01}}] =
** moving up against a \ wall: 0x1A
** moving right against a \ wall: 0x25
** moving down against a \ wall: 0x15
** moving left against a \ wall: 0x2A
** moving up against a / wall: 0x19
** moving left against a / wall: 0x26
** moving right against a / wall: 0x29
** moving down against a / wall: 0x16
* {{$|6C}}[{{0x|01}}] = Indicates whether you are standing in a doorway
** 0 - not standing in a doorway.
** 1 - standing in a vertical doorway
** 2 - standing in a horizontal door way
{{$|6D}}[{{0x|01}}] = When you are moving against a diagonal wall and you are deadlocked, i.e. you are pressing against it
directly, but aren't going anywhere, this will contain the value that $6B}}[{{0x|01] would have.
* {{$|6E}}[{{0x|01}}] = (archiving but not sure if this is correct) Related to certain tile behaviours (see tile type 2 I think) nearby
** moving against a \ wall from below: 0
** moving against a \ wall from above: 2
** moving against a / wall from below: 4
** moving against a / wall from above: 6
* {{$|6F}}[{{0x|03}}] = As of now, I consider this to be free ram
* {{$|72}}[{{0x|01}}] = ????
* {{$|73}}[{{0x|01}}] = has value 0x02 when master sword beam is active...
* {{$|74}}[{{0x|02}}] = ??? Related to moving water?
* {{$|76}}[{{0x|02}}] = When link interacts with certain tile types, the index of that tile gets stored here.
* {{$|78}}[{{0x|01}}] = possibly used in the context of chests.
* {{$|79}}[{{0x|01}}] = Controls whether to do a spin attack or not (Found by PARCCC from gshi)
* {{$|7B
* {{$|82}}[{{0x|02}}] = ????
* {{$|84}}[{{0x|02}}] = not sure...
* {{$|86}}[{{0x|02}}] = not sure...
* {{$|88}}[{{0x|02}}] = not sure...
* {{$|8A}}[{{0x|02}}] = Overworld Screen Index
* {{$|8C}}[{{0x|01}}] = Overlay index (credit: Euclid)
* {{$|8D}}[{{0x|01}}] = ???
* {{$|90}}[{{0x|02}}] = Points to current position in the low OAM buffer (the first 512 bytes)
* {{$|92}}[{{0x|02}}] = Points to current position in the high OAM table buffer (later 32 bytes)
* {{$|94}}[{{0x|01}}] = Screen Mode Register ($2105)
* {{$|95}}[{{0x|01}}] = Mosaic Settings ($2106)
* {{$|96}}[{{0x|01}}] = Window Masks for Backgrounds 1 and 2 ($2123)
* {{$|97}}[{{0x|01}}] = Window Masks for Backgrounds 3 and 4 ($2124)
* {{$|98}}[{{0x|01}}] = Window Masks for Obj and Color Add/Subtraction Layers ($2125)
* {{$|99}}[{{0x|01}}] = Enable Fixed Color +/- ($2130)
* {{$|9A}}[{{0x|01}}] = Enable +/- per layer ($2131)
* {{$|9B}}[{{0x|01}}] = HDMA channels to write to ($420C)
* {{$|9C}}[{{0x|01}}] = writes to $2132. Red fixed color component
* {{$|9D}}[{{0x|01}}] = writes to $2132. Green fixed color component
* {{$|9E}}[{{0x|01}}] = writes to $2132. Blue fixed color component
540$9F}}[{{0x|01}}] = free ram?
* {{$|A0}}[{{0x|02}}] = The index used for loading a dungeon room. There are 296 rooms all in all. (mirrored in other variables).
* {{$|A2}}[{{0x|02}}] = Points to the previous dungeon room.
* {{$|A4}}[{{0x|02}}] = Indicates the current floor Link is on in a dungeon.
* {{$|A6}}[{{0x|01}}] = Set to 0 or 2, but it depends upon the dungeon room's layout and the quadrant it was entered from.
* {{$|A7}}[{{0x|01}}] = ""
* {{$|A8}}[{{0x|01}}] = Composite of dungeon room layout info and quadrant info that gets updated periodically 000cccba
** ccc - layout that the room uses (0 to 7 obviously)
** b - ORed in value of $AA
** a - ORed in value of $A9
* {{$|A9}}[{{0x|01}}] = 0 if you are on the left half of the room.
** 1 if you are on the right half.
* {{$|AA}}[{{0x|01}}] = 2 if you are the lower half of the room.
** 0 if you are on the upper half.
* {{$|AB}}[{{0x|02}}] = free ram?
* {{$|AD}}[{{0x|01}}] = ??? collision?
* {{$|AE}}[{{0x|01}}] = In dungeons, holds the Tag1 Value. (see Hyrule Magic)
* {{$|AF}}[{{0x|01}}] = In dungeons, holds the Tag2 Value. (see Hyrule Magic)
* {{$|B0}}[{{0x|01}}] = Sub-submodule index. (Submodules of the $11 submodule index.)
* {{$|B1}}[{{0x|01}}] = free ram?
* {{$|B2}}[{{0x|02}}] = Width indicator for drawing dungeon objects
* {{$|B4}}[{{0x|02}}] = Height indicator for drawing dungeon objects
* {{$|B7}}[{{0x|03}}] = Used as storage during dungeon loading for a 3-bit pointer to be indirectly accessed.
* {{$|BA}}[{{0x|02}}] = Often used as a position into a buffer of data during dungeon loading.
* {{$|BD}}[{{0x|0?}}] = ??? height for initializing sprites?
Address recorded during tile interactions? (Bank 07)
* {{$|BF}}[{{0x|??}}] = Used during the dungeon
* {{$|C8}}[{{0x|01}}] = (in menus) keeps track of what part of a menu you are in.
For example,
0 - 4 on the select game screen,
0 - 2 for each save game,
3 & 4 are copy and erase game.
541(in ending module) 16 bit timer used for stepping through each ending sequence.
* {{$|E0}}[{{0x|02}}] = BG1 horizontal scroll register ($210F)
* {{$|E2}}[{{0x|02}}] = BG2 horizontal scroll register ($210D)
* {{$|E4}}[{{0x|02}}] = BG3 Horizontal Scroll Register ($2111)
* {{$|E6}}[{{0x|02}}] = BG1 Vertical scroll register ($2110)
* {{$|E8}}[{{0x|02}}] = BG2 Vertical scroll register ($210E)
* {{$|EA}}[{{0x|02}}] = BG3 Vertical Scroll Register ($2112)
* {{$|EC}}[{{0x|02}}] = Tilemap location calculation mask. Is only ever set to 0xFFF8 or 0x01F8
* {{$|EE}}[{{0x|01}}] = In dungeons, 0 Means you’re on the upper level.
1 Means you’re on a lower level. Important for interaction with different tile types.
* {{$|EF}}[{{0x|01}}] = Room Transitioning Value (bitwise)
bit 0 - Toggles between BG0 and BG1. One example: Sanctuary and Hyrule Castle. (see door type up-11)
bit 1 - Transition between Sewer and Hyrule Castle. Xors the dungeon index by 0x02.
* {{$|F0}}[{{0x|01}}] = Unfiltered Joypad 1 Register: Same as $F4, except it preserves buttons that were being
pressed in the previous frame.
* {{$|F1}}[{{0x|01}}] = Unfiltered Joypad 2 Register: Same as $F5, except it preserves buttons that were being
pressed in the previous frame. Note: Input from joypad 2 is not read unless you do some ASM hacking.
* {{$|F2}}[{{0x|01}}] = Unfiltered Joypad 1 Register: Same as $F6, except it preserves buttons that were being
pressed in the previous frame.
* {{$|F3}}[{{0x|01}}] = Unfiltered Joypad 2 Register: Same as $F7, except it preserves buttons that were being
pressed in the previous frame. Note: Input from joypad 2 is not read unless you do some asm hacking
* {{$|F4}}[{{0x|01}}] = Filtered Joypad 1 Register: [BYST | udlr].
Lower case represents the cardinal directions, T = start. S = select.
* {{$|F5}}[{{0x|01}}] = Filtered Joypad 2 Register: [BYST | udlr].
Lower case represents the cardinal directions, T = start. S = select.
Note: Input from joypad 2 is not read unless you do some asm hacking
* {{$|F6}}[{{0x|01}}] = Filtered Joypad Register [AXLR | ????]
LR: The shoulder buttons. ? = unknown inputs
* {{$|F7}}[{{0x|01}}] = Filtered Joypad Register [AXLR | ????]
LR: The shoulder buttons. ? = unknown inputs.
Note: input from joypad 2 is not read unless you do some asm hacking.
* {{$|F8}}[{{0x|01}}] = ???
* {{$|FC}}[{{0x|02}}] = .... Overrides for dungeon room transitions? (Seen used with big bombable walls)
* {{$|FF}}[{{0x|01}}] = Vertical IRQ Trigger (this is the vertical scanline that will trigger the IRQ)

{{toc}}

@@ Line 46: / Line 46: @@
 * {{$|17}}[{{0x|01}}] = Graphics Flag
 * {{$|18}}[{{0x|01}}] = Graphics Flag
 * {{$|19}}[{{0x|01}}] = Graphics flag.
-** When nonzero, will trigger a transfer from {{$|7FXXXX}} to vram address {{$|YY00 XXXX}} is specified by variable {{$|0118 YY}} is specified by this variable
+** When nonzero, will trigger a transfer from {{$|7FXXXX}} to vram address {{$|YY00}}
 * {{$|1A}}[{{0x|01}}] = Frame Counter
 * {{$|1B}}[{{0x|01}}] = Flag is set to 1 if you are in a building. Set to 0 otherwise (credit: Euclid)
@@ Line 65: / Line 66: @@
 * {{$|24}}[{{0x|02}}] = {{0x|FFFF}} usually, but if Link is elevated off the ground it is considered to be his Z coordinate i.e. it's his height off of the ground
 * {{$|26}}[{{0x|01}}] = Link’s push state (These of course can be combined):
-** right = {{0x|1}}
+** right = {{0x|01}}
-** left = {{0x|2}}
+** left = {{0x|02}}
-** down = {{0x|4}}
+** down = {{0x|04}}
-** up = {{0x|8}}
+** up = {{0x|08}}
-** nothing = {{0x0}}
+** nothing = {{0x|00}}
 * {{$|26}}[{{0x|01}}] = (alternate) Indicates the current 2bpp graphic to display in attract mode.
 * {{$|27}}[{{0x|01}}] = Link's Recoil for vertical collisions
@@ Line 90: / Line 91: @@
 * {{$|32}}[{{0x|02}}] = seems to be used in some subsection of Bank {{0x|07}}, not sure which one though
 * {{$|34}}[{{0x|04}}] = ???? These seem to be free ram
-* {{$|38}}[{{0x|02}}] = seems to be set some of the time when going up diagonal walls.
+* {{$|38}}[{{0x|02}}] = seems to be set some of the time when going up diagonal walls. It's a bit field for tiles type {{0x|10}} through {{0x|13}}
-It's a bit field for tiles type {{0x|10}} through {{0x|13}}
+* {{$|3A}}[{{0x|01}}] - Bitfield for the B and Y buttons: hymuunub
-* {{$|3A}}[{{0x|01}}] = Bit 7: the B button is held down or sword is out.
+** b - B button was pressed this frame, and not held down during the previous frame.
-** Bit 6: the Y button is down.
+** m - Checked in one place, but not sure if it's ever set.
-** Bit 0: Initial B button press
+** n - Possible to be set, but not sure what it does
-* {{$|3B}}[{{0x|01}}] = Bit 7: the A button is down.
+** h - The B button has been held down for one or more frames.
-** Bit 4: ???
+** u - Unused.
-* {{$|3C}}[{{0x|01}}] = Lower Nibble: How many frames the B button has been held, approximately.
+** y - The Y button has been held down for one or more frames.
-Upper nibble set to 9 on spin attack release.
+* {{$|3B}}[{{0x|01}}] - Bitfield for the A button: auuduuuu
-* {{$|3D}}[{{0x|01}}] = A delay timer for the spin attack. Used between shifts to make the animation flow with the flash effect.
+** a - The A button is down.
-Also used for delays between different graphics when swinging your sword.
+** u - Unused.
 * {{$|40}}[{{0x|01}}] = Y coordinate related variable
 * {{$|41}}[{{0x|01}}] = X coordinate related variable
@@ Line 110: / Line 116: @@
 * {{$|47}}[{{0x|01}}] = Set when damaging enemies, unsure of exact usage yet.
 * {{$|48}}[{{0x|01}}] = If set, when you push A Link will grab at the air.
-* {{$|49}}[{{0x|01}}] = This address is written to make Link move in any given direction. Indoors it is cleared every frame.
+* {{$|49}}[{{0x|01}}] = This address is written to make Link move in any given direction. Indoors it is cleared every frame. Outdoors it is not cleared every frame so watch out.
-Outdoors it is not cleared every frame so watch out.
+* {{$|4B}}[{{0x|01}}] = Link's visibility status. If set to {{0x|0C}}, Link will disappear.
 * {{$|4C}}[{{0x|01}}] = Counter that decreases every frame when the Cape is in used. Starts at 4 and counts down to 0. When it reaches 0, your magic meter is decremented based on whether you have full or 1/2 magic. There's a table in Bank {{0x|07}} that determines this
 * {{$|4D}}[{{0x|01}}] = An Auxiliary Link handler. As far as I know:
@@ Line 183: / Line 188: @@
 ** {{0x|10}} - Dashing
 * {{$|60}}[{{0x|01}}] = During story mode, used as a counter for one set of jump tables.
-* {{$|64}}[{{0x|02}}] = {{0x|1000}} if {{$|EE}} = 1,
+* {{$|64}}[{{0x|02}}] =
 ** {{0x|2000}} if {{$|EE}} = 0.
 * {{$|66}}[{{0x|01}}] = Indicates the last direction Link moved towards. Value wise:
@@ Line 190: / Line 196: @@
 ** 2 - Left,
 ** 3 - Right
-* {{$|67}}[{{0x|01}}] = Indicates which direction Link is walking (even if not going anywhere)
+* {{$|67}}[{{0x|01}}] = Indicates which direction Link is walking (even if not going anywhere) bitwise: 0000abcd.
-bitwise: 0000abcd.
+** a - Up
-** a - Up,
+** b - Down
-** b - Down,
+** c - Left
-** c - Left,
+** d - Righ
 * {{$|68}}[{{0x|01}}] = ????
 * {{$|69}}[{{0x|01}}] = ???
@@ Line 212: / Line 217: @@
 ** 1 - standing in a vertical doorway
 ** 2 - standing in a horizontal door way
-{{$|6D}}[{{0x|01}}] = When you are moving against a diagonal wall and you are deadlocked, i.e. you are pressing against it
+* {{$|6D}}[{{0x|01}}] = When you are moving against a diagonal wall and you are deadlocked, i.e. you are pressing against it directly, but aren't going anywhere, this will contain the value that {{$|6B}}[{{0x|01}}] would have.
 * {{$|6E}}[{{0x|01}}] = (archiving but not sure if this is correct) Related to certain tile behaviours (see tile type 2 I think) nearby
 ** moving against a \ wall from below: 0
@@ Line 257: / Line 261: @@
 ** b - ORed in value of $AA
 ** a - ORed in value of $A9
-* {{$|A9}}[{{0x|01}}] = 0 if you are on the left half of the room.
+* {{$|A9}}[{{0x|01}}] =
 ** 1 if you are on the right half.
-* {{$|AA}}[{{0x|01}}] = 2 if you are the lower half of the room.
+* {{$|AA}}[{{0x|01}}] =
 ** 0 if you are on the upper half.
 * {{$|AB}}[{{0x|02}}] = free ram?
@@ Line 289: / Line 295: @@
 * {{$|EE}}[{{0x|01}}] = In dungeons, 0 Means you’re on the upper level. 1 Means you’re on a lower level. Important for interaction with different tile types.
 * {{$|EF}}[{{0x|01}}] = Room Transitioning Value (bitwise)
-bit 0 - Toggles between BG0 and BG1. One example: Sanctuary and Hyrule Castle. (see door type up-11)
+** bit 0 - Toggles between BG0 and BG1. One example: Sanctuary and Hyrule Castle. (see door type up-11)
-bit 1 - Transition between Sewer and Hyrule Castle. Xors the dungeon index by 0x02.
+** bit 1 - Transition between Sewer and Hyrule Castle. Xors the dungeon index by 0x02.
-* {{$|F0}}[{{0x|01}}] = Unfiltered Joypad 1 Register: Same as $F4, except it preserves buttons that were being
+* {{$|F0}}[{{0x|01}}] = Unfiltered Joypad 1 Register: Same as $F4, except it preserves buttons that were being pressed in the previous frame.
-pressed in the previous frame.
+* {{$|F1}}[{{0x|01}}] = Unfiltered Joypad 2 Register: Same as $F5, except it preserves buttons that were being pressed in the previous frame. Note: Input from joypad 2 is not read unless you do some ASM hacking.
-* {{$|F1}}[{{0x|01}}] = Unfiltered Joypad 2 Register: Same as $F5, except it preserves buttons that were being
+* {{$|F2}}[{{0x|01}}] = Unfiltered Joypad 1 Register: Same as $F6, except it preserves buttons that were being pressed in the previous frame.
-pressed in the previous frame. Note: Input from joypad 2 is not read unless you do some ASM hacking.
+* {{$|F3}}[{{0x|01}}] = Unfiltered Joypad 2 Register: Same as $F7, except it preserves buttons that were being pressed in the previous frame. Note: Input from joypad 2 is not read unless you do some asm hacking
 * {{$|F4}}[{{0x|01}}] = Filtered Joypad 1 Register: [BYST | udlr].
-Lower case represents the cardinal directions, T = start. S = select.
+** Lower case represents the cardinal directions, T = start. S = select.
 * {{$|F5}}[{{0x|01}}] = Filtered Joypad 2 Register: [BYST | udlr].
-Lower case represents the cardinal directions, T = start. S = select.
+** Lower case represents the cardinal directions, T = start. S = select.
-Note: Input from joypad 2 is not read unless you do some asm hacking
+** Note: Input from joypad 2 is not read unless you do some asm hacking
 * {{$|F6}}[{{0x|01}}] = Filtered Joypad Register [AXLR | ????]
-LR: The shoulder buttons. ? = unknown inputs
+** LR: The shoulder buttons.
 * {{$|F7}}[{{0x|01}}] = Filtered Joypad Register [AXLR | ????]
-LR: The shoulder buttons. ? = unknown inputs.
+** LR: The shoulder buttons. ? = unknown inputs.
-Note: input from joypad 2 is not read unless you do some asm hacking.
+** Note: input from joypad 2 is not read unless you do some asm hacking.
 * {{$|F8}}[{{0x|01}}] = ???
 * {{$|FC}}[{{0x|02}}] = .... Overrides for dungeon room transitions? (Seen used with big bombable walls)

← Older revision		Revision as of 07:14, 20 December 2016
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−	{{subpage\|~~ROM~~}}	+	{{subpage\|RAM}}

	Note that these addresses are only one byte and you can assume that they are {{$\|7E00XX}} where {{hex\|XX}} are the byte addresses you see below.		Note that these addresses are only one byte and you can assume that they are {{$\|7E00XX}} where {{hex\|XX}} are the byte addresses you see below.

← Older revision	Revision as of 22:22, 20 December 2016
(No difference)