Jul -- SM64 Hacking (Archive): Stuff inside the checksum protected area (Title Screen, etc.)

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Jul - SM64 Hacking (Archive) - Stuff inside the checksum protected area (Title Screen, etc.)

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VL-Tone
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Posted on 07-21-08 12:48:32 AM (last edited by VL-Tone at 05-19-09 01:23 AM)

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The checksum protected area in the SM64 is starting at 0x1000 and ends at 0x100000. If you modify anything in this area, you'll have to recalculate the checksum or else the ROM won't startup. (Is there a way to disable the CIC bootrom check?)

One way to experiment editing these values without recalculating each time would be to find the RAM location of these values, and edit RAM instead.

This area probably contains a lot of the key missing stuff that we haven't documented, as I didn't experiment much in there because of the checksum problem.

Some of the stuff I found in the area:

At 0xE8D98, (which is incidentally inside the checksum protected area) you'll find this list of bytes:

00 00 00 05 04 00 06 08 01 0A 0B 03 0D 0E 0F 00 10 16 11 18 12 07 09 02 19 00 13 14 15 10 17 00 11 12 00 0C

You must know that each level has a byte ID, used for example by warps. The 0x0C commands you can find in the SM64MainLevelScripts.txt doc will conditionally branch to the corresponding level script when the "current level ID" variable is set by a warp command. The 8th byte of the 0x0C command refers to the level ID, and in the doc you can see to which level each command correspond.

Here's the first level select command in the doc:

2ABF1C/027C:  0C 0C 02 00 00 00 00 04 15 00 03 F4 --Haunted House

The level ID for the Haunted House is 0x04. Note that in the 0xE8D98 list, the first three bytes are 00, the fourth byte being the first "meaningful" byte of the list. It's not a coincidence, and level ID 0x04 indeed refers to the fourth byte of this list, which contains 0x05.

If you match the 0xE8D98 list with the level IDs, you get that:

00--01--Not in level selector

00--02--Not in level selector

00--03--Not in level selector

05--04--Haunted House

04--05--Cool Cool Mountain

00--06--Inside Castle

06--07--Hazy Maze Cave

08--08--Shifting Sand Land

01--09--Bob-Omb's Battlefield

0A--0A--Snow Man's land

0B--0B--Wet Dry World

03--0C--Jolly Roger Bay

0D--0D--Tiny Huge Island

0E--0E--Tick Tock Clock

0F--0F--Rainbow Ride

00--10--Castle Grounds

10--11--Bowser First Course

16--12--Vanish Cap

11--13--Bowser's Fire Sea

18--14--Secret Aquarium

12--15--Bowser Third Course

07--16--Lethal Lava Land

09--17--Dire Dire Docks

02--18--Whomp's Fortress

19--19--Picture at the end

00--1A--Castle Courtyard

13--1B--Peach's Secret Slide

14--1C--Metal Cap

15--1D--Wing Cap

10--1E--Bowser First Battle

17--1F--Rainbow Clouds

00--20--Not in level selector

11--21--Bowser Second Battle

12--22--Bowser Third Battle

00--23--Not in level selector

0C--24--Tall Tall Mountain

Swapping the bytes around in the 0xE8D98 list, I found that the bytes refer to level specific characteristics that are not contained in the level script, like camera settings, Boss stars positions and many other things. If I remember correctly (or maybe it was just a dream) you can make it snow in Bob-omb Battlefield by replacing the 0x01 with 0x0A, which will make BBB inherit Snowman's land characteristics. If you beat King Bobomb after this modification, the resulting star will appear where the Chilling Bully star appears.

Another thing to note is that both Castle grounds and courtyard have 0x00 as a value, just like the empty slots. (Counting the empty slots reveals that something like 5 levels where cut from the game in the final version!! And no, they're not still in the ROM like SMB3.)

The main problem with experimenting with this list is that you have to recalculate the checksum each time you want to test a modification.

I suspect that the level characteristics/parameters themselves are somewhere not that far from 0xE8D98, still in the checksum area.

There are other interesting stuff around this address. At 0xE8DFC there's list of behavior pointers which happens to be a list of all warp behavior pointers used by objects in levels.

13000AFC Door Warp Behavior

13003E3C Collect Star

13000720 Exit Podium Warp

13000780 Warp

130007A0 Warp (Pipe)

1300075C Fading Warp

13002F60 Warp

13002F64 Warp: Mario Start

13002F68 Warp

13002F6C Warp: Mario Start

13002F70 Level Exit

13002F74 Warp: Mario Level Start

13002F78 Warp: Mario Start Flying

13002F94 Warp

13002F7C Painting Exit (Success)

13002F80 Painting Exit (Failure)

13002F88 Warp

13002F84 Warp

13002F8C Level Exit From Hole

Just after these, at 0xE8E4C is a list of bytes that define Mario's behavior while being warped using these each of these behaviors.

01 02 03 03 03 04 10 12 13 14 15 16 17 11 20 21 22 23 24

At 0xEC7E0 is the list of 512 model ID/param/behavior pointer combos used by the 0x42 commands, and at 0xED358 is for the 0x43 commands. The 0x43 combo list acts as a patch list to the 0x42 combos. The 0x43 list contains 81 items, and each one of these contain a value that determines which item of the 0x42 list is patched. 0x43 commands can only access the first 256 combos of the patched list.

There another similar combo list containing behavior pointers at EAECC for which I haven't found a use yet. Most if not all of the behavior there are "Unused" according to my docs, though a better word would've been "Unidentified".

At 0x0EA4DC there's a table of RAM pointers (0x80******)

At 0xF0BA1, as you may have found, the credits are there in plain ASCII, and not so far after are some interesting but unused strings used by a disabled debugger.

There's some other interesting stuff I found, like Mario's moves table, but I can't find my notes about it and their precise location.

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Posted on 07-21-08 04:03:27 PM (last edited by messiaen at 07-22-08 02:00 PM)

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Amazing stuff!

The list at 0xE8D98 seems to be related to the "select act" white screen. Swapping Bob-omb's value for Snowman's Land will only change that screen. If you set any level to "1B" (Peach's secret slide value) the act selector won't show up, but I'm not sure which act you end up on.

Some time ago Yoshiman found some data in RAM which is used by the Tox Boxes to determine its movement. In the ROM, it is found at 0xEB8A8-EB8CC (this is probably just for one of the parameters, the data seems to begin at 0xEB850). Probably there are lots of interesting data used by objects in nearby areas.

I also found some data used by the King Bob-Omb:

0xF28F0-0xF2903 (in RAM, begins at 803378F0): I'm not sure what it does. 0xF28FC seems to be read a lot (try placing a breakpoint there). It's probably a floating point number.

From 0xF2904 to 0xF2917, there is a list of RAM pointers, and they are used by the King Bob-Omb like this:

802A7D40: LW T7, 0x7904 (AT) <-- Loads value from 80337904 and stores at $t7
802A7D44: JR T7 <-- Jump to value stored at register $t7

The last pointer (at 0xF2914) is responsible for creating the dialog box when the King is thrown off the cliff (more info on the ASM thread).

---

At 0xED9CC, begins a long list of pointers mainly to Bank 0x07. I placed a few breakpoints in these values, and indeed some of them are hardcoded collision pointers. For instance, at RAM 80332A0C, we have "070113F0". This is the pointer for the Bob-Omb's Bridge collision data. If you look at its behavior, there isn't any 0x2A collision pointer.

VL-Tone
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Posted on 07-24-08 02:49:52 AM

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Originally posted by messiaen
Amazing stuff!

The list at 0xE8D98 seems to be related to the "select act" white screen. Swapping Bob-omb's value for Snowman's Land will only change that screen. If you set any level to "1B" (Peach's secret slide value) the act selector won't show up, but I'm not sure which act you end up on.

Yeah, the "select act" seems to be one of the level "characteristics" determined by the 0xE8D98 table. While you're tracing stuff around this area, couldn't you find by what routine the table is read? This would give us a clue to where the actual parameters are stored. I'm to lazy to search myself, but do you know what is the RAM offset for the 0xE8D98table?

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Posted on 07-24-08 04:16:00 PM (last edited by messiaen at 07-24-08 01:18 PM)

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The table starts at 0x8032DD98. Placing a breakpoint at it and stepping through the code will help us find some meaningful values. So far, I haven't found nothing interesting.

This if from Cellar Dweller's generalnotes.txt:

for most code: (low text)
ram - rom = 0x80245000
ram = 0x80245000 + rom
rom = ram - 0x80245000

By the way, if you are considering making TT64 edit the checksum area, some Gameshark codes contain really interesting stuff. For instance:

0x6BD4 - NOP to Skip Intro (4 bytes)
0x6D98 - NOP to Skip Lakitu (4 bytes)
0x10018 - Ammount of lives to start (last 2 bytes, it's an ADD Immediate instruction)

These codes were created by Viper, I just found the respective ROM offsets. The "Skip Intro" and "Skip Lakitu" could be very useful, otherwise if you change the Castle Grounds script most likely the intro will crash the game. There's also a bunch of codes to change the number of stars needed to open each door in the castle, these also would be useful.

Stevoisiak
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Posted on 07-25-08 12:16:30 AM

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Originally posted by messiaen
otherwise if you change the Castle Grounds script most likely the intro will crash the game. There's also a bunch of codes to change the number of stars needed to open each door in the castle, these also would be useful.

Actually, if you use level select when first starting a game, and choose a level other than castle grounds, the game will not freeze. I tried it in the aquarium level. Also, can you show me the star door code? I'm verry interested in that. It could also lead to useful things if it's decoded.

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Posted on 07-25-08 06:45:14 PM

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I know this lies outside the checksum but at 0x21F5E8 is the ASM that runs the stage select. It is strange that it uses data inside the checksum and how there are spots for extra levels. Maybe if ever we find a way around the checksum we could make more levels.

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messiaen
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Posted on 07-27-08 07:26:59 PM

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I did some tests and the snow at "Cool Cool Mountain" is created by a function called in the Geo Layout. So, maybe you achieved the snow effect on Bob-omb when experimenting with the main terrain Geo Layout. I'll see if I can do the same.

I know this may be a bit off-topic, but if there are more level characteristics besides the ones we already know, perhaps this command is worth looking at:

[28] [0C] [00 01 00 00 00 00 00 00 00 00]

[1]: 28= Sometimes seen after 0x26 commands, near the end, I don't know it's use
[2]: Length byte (dec 12)
[3-12]: ??

Look at struct_area.txt from Cwellar Dweller's Hacking Notes:

void *off0x1c /* 4 @ 0x1c pointer to a array of four eight byte structures defined by command 0x28 */

VL-Tone
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Posted on 08-02-08 02:58:25 AM

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Originally posted by messiaen
I did some tests and the snow at "Cool Cool Mountain" is created by a function called in the Geo Layout. So, maybe you achieved the snow effect on Bob-omb when experimenting with the main terrain Geo Layout. I'll see if I can do the same.

I know this may be a bit off-topic, but if there are more level characteristics besides the ones we already know, perhaps this command is worth looking at:

[28] [0C] [00 01 00 00 00 00 00 00 00 00]

[1]: 28= Sometimes seen after 0x26 commands, near the end, I don't know it's use
[2]: Length byte (dec 12)
[3-12]: ??

Look at struct_area.txt from Cwellar Dweller's Hacking Notes:

void *off0x1c /* 4 @ 0x1c pointer to a array of four eight byte structures defined by command 0x28 */

About the snow, it's possible that I was mistaken. I'm not even sure if I actually achieved it or dreamed about it

I was thinking about something... Don't you think it would be possible to copy/move most of this stuff out of the checksum area and into the extended part of the ROM? That way we wouldn't have to recalculate the checksum each time we make a change. Do you have any idea where the command and pointer that loads this data in RAM is? Let's hope it's a big block of ROM that's copied at once in RAM from this area.

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Posted on 08-02-08 05:06:45 PM (last edited by messiaen at 08-02-08 02:44 PM)

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I can't help much in that, because this area is loaded very early in the initialization process, so probably this would require a good deal of low-level knowledge of the N64. By the way, in the header of the ROM there's the RAM address where this area is copied to (80246000), hence the ram = 0x80245000 + rom "formula".

About the snow, this is the function called in the Geo Layout I was talking about:

18 00 00 [xx] 80 27 61 D0

xx = Some argument (usually 00). Values used:

01 = used in Cool Cool Mountain (area 1) and Snowman's Land (area 1). Produces the snow effect.
02 = used in Jolly Roger Bay (area 2) and Secret Aquarium.
0C = used in Lethal Lava Land (area 1), Bowser's Fire Sea and Bowser Second Battle
0D = used in Dire Dire Docks (area 1).
0E = used in Jolly Roger Bay and Dire Dire Docks (area 2).

I tried using the 01 value in Bob-omb Battlefield, but instead of producing snow it produces strange polygon shapes. So, I guess it could be either that a specific bank loaded in Cool Cool Mountain/Snowman's Land is needed or that snow is in one of the shared banks but there isn't a 0x22 pointing to it in Bob-omb Battlefield.

But getting back to the checksum area, I don't know if that's what you meant when you said you find Mario's move table, but a lot of the 8027xxxx RAM pointers are some sort of jump table for specific Mario actions. For instance, the value at 80336C60 is read and them jumped to (by a Jump Register opcode) when you do the "jump" action. All nearby values are jump related, such as double jump, triple jump, etc. By swapping these values you can make things like a instant triple jump or another changes. For example, here is a fun code I created that replaces the kick after two punches value with another punch value. This way you can punch very fast:

81336EE8 8027
81336EEA 4F90

Stevoisiak
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Posted on 08-04-08 12:27:14 PM

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To make some of these things clearer, can you post images for those of us who cannot do this ourselves?

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Posted on 08-04-08 08:07:32 PM

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Originally posted by Stevoisiak
To make some of these things clearer, can you post images for those of us who cannot do this ourselves?

I don't particularly see how images would help hex editing...

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Stevoisiak
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Posted on 08-05-08 01:47:44 PM

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Originally posted by Boing

Originally posted by Stevoisiak
To make some of these things clearer, can you post images for those of us who cannot do this ourselves?

I don't particularly see how images would help hex editing...

I mean to see the effects of the editing. And I thought you hacked SMW.

messiaen
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Posted on 08-05-08 06:08:06 PM

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This was way simpler than I thought, so here is a simple way to skip CRC check. Just NOP these two instructions:

(ROM)
0x066C: BNE A3, T0, 0x800001C8 <-- Sends you to a dark trap room.
0x0678: BNE S0, T0, 0x800001C8

The emulator will complain about it ("unknown CIC"), but it works. There also could be an option in TT64 to restore this code and recalculate the CRC when your project is ready, to avoid emulator annoyances.

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Posted on 08-05-08 11:30:08 PM (last edited by VL-Tone at 08-05-08 08:35 PM)

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Originally posted by messiaen
This was way simpler than I thought, so here is a simple way to skip CRC check. Just NOP these two instructions:

(ROM)
0x066C: BNE A3, T0, 0x800001C8 <-- Sends you to a dark trap room.
0x0678: BNE S0, T0, 0x800001C8

The emulator will complain about it ("unknown CIC"), but it works. There also could be an option in TT64 to restore this code and recalculate the CRC when your project is ready, to avoid emulator annoyances.

Nice! it works and my emulator (Sixtyforce on the Mac) doesn't even complain!

Isn't there an option to avoid the "unknown CIC" dialog from appearing on other emulators? Maybe we could NOP a few instructions in the emulator to get rid of it

Edit:
Here is what I did:

At 0x66C I replaced 14E80006 with 24000000, and at 0x678 I replaced 16080003 with 24000000.

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Posted on 08-06-08 12:42:39 AM

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I tested it on a few emulators. Here are the results:

1964 - Doesn't complain at all.
Mupen 0.5.1 - Same (haven't tried MupenPlus yet).
Nemu64 0.8 - One error message ("Unknown bootcode. Chances that this game won't work are high").
Project 64 1.6 - Two error messages ("Unknown Cic Chip" and "Unhandled CicChip(-1) in first DMA".

Now it's time to gather more data, I'll see what I can gather from Gameshark codes.

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Posted on 08-06-08 03:06:21 AM

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Originally posted by Stevoisiak

Originally posted by Boing

Originally posted by Stevoisiak
To make some of these things clearer, can you post images for those of us who cannot do this ourselves?

I don't particularly see how images would help hex editing...

I mean to see the effects of the editing. And I thought you hacked SMW.

Please stop cluttering this thread with nonsense, or I will delete any more of them I see you posting here, Stevo.

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Posted on 08-06-08 04:02:13 AM

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First discovery using the checksum less ROM:

With good old ROM corruption, I was able to find a table that seems to contain camera animation pointers.

The table is found at 0xEA4D4 and ends at 0xEA804. Each item in the table is 8 bytes long, the first 4 bytes are a RAM address (0x80xxxx) and the last 4 bytes are some parameters.

The item I first stumbled upon is at 0xEA554, it's the camera settings for when Mario opens (or close) the double doors of the castle lobby (it applies to both inside and outside the castle). By swapping around this item with others found in the table I was able to identify most of them, though some may just not have worked as expected while being used on the door transition.

The most interesting ones are labeled with **, these camera modes follow Mario in unusual ways, and these modes will usually remain active until you enter a painting. The rest are mostly static cameras or non-interactive camera animations. The most interesting camera animations are labeled with %%. The unlabeled items didn't do anything particular, except maybe a few that provided a normal Lakitu camera in the Castle lobby instead of the "stuck in the corner" camera normally found in that room.

80 29 0F 8C 00 46 00 00 -- temporary top down view

80 29 0E 00 00 4B 00 00 -- Pointing somewhere else for a couple of seconds

80 29 0F 1C 01 82 00 00 -- Shows two other places with iris effect

80 29 11 08 00 8B 00 00 -- Crashes while pointing somewhere else

80 29 13 54 02 4E 00 00 -- Crashes while looking up to the sky

80 29 14 2C 00 5F 00 00 -- Shows somewhere else with iris effect

80 29 15 14 01 A9 00 00 -- Pointing somewhere else for a couple of seconds

80 29 15 D4 00 EC 00 00 -- Shows somewhere else with iris effect

80 29 17 74 00 F5 00 00 -- Pointing somewhere else for a couple of seconds

80 29 18 70 7F FF 00 00 -- Stuck 3/4 top down camera

80 29 19 24 00 00 00 00 -- Normal Lakitu cam?

80 29 1C D0 01 68 00 00 -- Zoom out and in on Mario animation

80 29 21 64 7F FF 00 00 -- ** Weird cam follows Mario from very high

80 29 0C 1C 00 01 00 00 -- Normal Lakitu cam?

80 29 0C 30 7F FF 00 00 -- Stuck and static

80 29 91 00 00 01 00 00 -- =======Double door opening======= (Hacked to make this list)

80 29 91 A8 7F FF 00 00 -- Normal Lakitu cam?

80 29 7B 84 7F FF 00 00 -- %% End camera zoom out castle animation with Lakitu flying around. (When everyone says goodbye at the end).

80 29 7C 40 7F FF 00 00 -- Static cam from way down, Mario controls not relative to cam

80 29 91 00 00 01 00 00 -- Double door opening

80 29 91 54 00 1E 00 00 -- 

80 29 91 F0 00 01 00 00 -- 

80 29 92 CC 00 32 00 00 -- 

80 29 93 60 00 00 00 00 --

80 29 91 00 00 01 00 00 --

80 29 91 54 00 14 00 00 -- Points somewhere else shortly

80 29 91 F0 00 01 00 00 -- Castle view when Mario first enters castle ( Bowser message 1?)

80 29 92 CC 00 32 00 00 -- Short zoom on Mario

80 29 93 60 00 00 00 00 --

80 29 91 00 00 01 00 00 -- Double door opening

80 29 91 54 00 1E 00 00 -- Points somewhere else shortly

80 29 94 04 7F FF 00 00 --

80 29 91 00 00 01 00 00 --

80 29 91 54 00 14 00 00 -- Points somewhere else shortly

80 29 94 04 7F FF 00 00 --

80 29 8F E8 00 01 00 00 --

80 29 8D 9C 00 79 00 00 -- Short zoom out animation

80 29 8D 44 00 00 00 00 -- ** Cannon POV cam! Walk slowly (backward) or crouching to move around, and don't jump!

80 29 3C 2C 7F FF 00 00 -- Stuck and static

80 29 3C B0 00 0F 00 00 -- Weird quick glitchy camera movement for a second

80 29 3D 5C 00 00 00 00 --

80 29 42 F0 7F FF 00 00 -- Crash

80 29 43 D4 00 00 00 00 -- Quick Zoom out

80 29 84 B4 7F FF 00 00 -- Zoom on Mario, then stuck and static

80 29 8A F8 00 76 00 00 -- Temporary view from down under

80 29 8C CC 00 00 00 00 --

80 29 8A F8 00 B4 00 00 -- Temporary view from down under

80 29 8C CC 00 00 00 00 --

80 29 8B A0 00 01 00 00 -- Close view from opening door

80 29 8C 2C 00 3C 00 00 --

80 29 8C CC 00 00 00 00 --

80 29 7A 64 7F FF 00 00 -- %% Peach letter!

80 29 7A 38 00 23 00 00 --

80 29 78 4C 03 34 00 00 -- %% Lakitu tour of the castle opening!!

80 29 79 08 01 0E 00 00 -- %% Ciao! Welcome message

80 29 76 2C 7F FF 00 00 --

80 29 4A 14 00 AA 00 00

80 29 4A 94 00 00 00 00 -- from under?

80 29 3E 7C 00 34 00 00 -- from far away for a second

80 29 3E D8 00 00 00 00 --

80 29 3F 70 00 49 00 00 -- from farther away

80 29 3E D8 00 00 00 00

80 29 59 30 00 5A 00 00 -- travels to top view for a second

80 29 3E D8 00 00 00 00 --

80 29 04 40 7F FF 00 00 -- Stuck on side view mario

80 29 57 C8 00 96 00 00 -- Weird fly over animation

80 29 58 94 00 00 00 00

80 29 4C 5C 7F FF 00 00 -- stuck wobbly lakitu cam POV

80 29 54 18 00 64 00 00 --

80 29 3E D8 00 00 00 00 --

80 29 4D B4 7F FF 00 00 -- stuck wobbly lakitu cam POV 2

80 29 4E E8 7F FF 00 00 -- stuck wobbly lakitu cam POV 3

80 29 4F EC 7F FF 00 00 -- **Drunk Lakitu cam follows mario from 3/4 top, controls not relative to cam

80 29 4F EC 7F FF 00 00 -- **same

80 29 52 70 7F FF 00 00 -- **Drunk Lakitu cam loosely follows mario from 3/4 top, controls not relative to cam

80 29 39 44 00 B4 00 00 -- static for a few seconds

80 29 38 6C 7F FF 00 00 -- Bowser message 2

80 29 38 C8 00 00 00 00 --

80 29 24 B8 7F FF 00 00 -- ** Camera circles around Mario

80 29 30 18 7F FF 00 00 -- Stuck drunk Lakitu cam cam from far away

80 29 2A 80 7F FF 00 00 -- **Fish-Eye Mario cam!

80 29 33 8C 7F FF 00 00 -- **Weird backward Mario cam, he always faces the camera, every joystick move will make him go forward in an absolute direction that is relative to the level.

80 29 6F A8 7F FF 00 00 -- Stepping on the wing cap switch message

80 29 83 B4 00 32 00 00 --

80 29 84 58 00 00 00 00 --

80 29 73 B0 00 C8 00 00 -- Goes behind mario for a second, then switches back to normal cam

80 29 84 58 00 00 00 00 --

80 29 67 10 00 BE 00 00 -- From far under when exiting the Castle

80 29 67 C4 00 00 00 00 --

80 29 69 F8 00 78 00 00 -- From far under when exiting the Castle 2

80 29 67 C4 00 00 00 00 --

80 29 68 A0 00 A3 00 00 -- From far under when exiting the Castle 3

80 29 67 C4 00 00 00 00 --

80 29 6B 30 00 78 00 00 -- From far under when exiting the Castle 3

80 29 67 C4 00 00 00 00 --

80 29 5E 8C 7F FF 00 00 -- crash from double door

80 29 5F B0 00 0C 00 00 --

80 29 5F D8 00 00 00 00 --

80 29 61 60 7F FF 00 00 -- stuck and static cam

80 29 62 C8 00 0F 00 00 --

80 29 62 F0 00 00 00 00 --

____________________

messiaen
Catgirl
Level: 68

Posts: 195/1085
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Posted on 08-06-08 03:48:10 PM (last edited by messiaen at 08-09-08 01:38 PM)

Link | Quote

Great list! Just to narrow our searches, the non-ASM data seems to start at 0x0E6260.

I think I found what the parameters after the RAM pointer does: it's the time before you regain camera control.

To confirm this, I swapped the "00 01" parameter in the double door opening with "03 34" from the Lakitu tour, then opened another emulator window and watched the intro at the same time I opened the double door. When the intro's over, you can control the camera again. With parameter "7F FF", there is probably some kind of input (either from joypad or some function to be called) needed to regain camera control.

By the way, at 0x8029000C lies some sort of StopCamera() function which is called by some behaviors (ie, collect star).

And here's what I got from the behavior list on 0xEAED8 (updated):



                1300 24AC - Produces "white dust" when Mario starts/stops running.

                1300 0A54 - Produces little yellow stars (when Mario hits a wall)

                1300 0A98 - Produces little yellow starts (when Mario pounds the ground)

                1300 2B08 - ??

                1300 02B8 - ??

                1300 2C14 - ??

                1300 2CE0 - ??

                1300 0428 - Produces snow?? (Not sure. Hardcoded model setting in ASM = 0xA4).

                1300 2DC0 - ??

                1300 11EC - ??

                1300 2D50 - ??

                1300 2D7C - ??

                1300 1390 - Produces leaves (when Mario is on a tree?)

                1300 0E58 - Produces little snowballs (when Mario is walking on snow?)

                1300 0D98 - Produces shadows

                1300 0E3C - Produces little red objects (when Mario hits something?)

                1300 0E24 - Produces the dust when Mario pounds the ground

                1300 0AD8 - Same effect as 0xA54, but producing little arrows?

I used Yoshiman's Spawn any object anywhere code to discover most of this (code on his website). Most of these are "spawn" behaviors, and they have a hardcoded model setting.

VL-Tone
Member
Super Mario 64 forum moderator
Level: 53

Posts: 230/621
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Posted on 08-08-08 11:05:16 PM

Link | Quote

Time: Now - Date: Today - Weather: What can be seen outside. - Mood: How it feels. Answer to the universe: 42

When I found the Lakitu tour item, I actually only swapped the pointer so I could regain control of the camera after the animation. For the rest of the items (most of them I think) I swapped the pointer and the parameters.

The behavior list you experimented with all seem to be "particle effects". I guess that there's some particle effect code somewhere that deals with all of them.

____________________

Kenshi
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Posted on 08-09-08 02:00:18 AM

Link | Quote

So with this info, its possible to force the camera to show mario like a side scroller in vl-tone's smb 1 remake hack?

____________________

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line 1003 column 22 - Warning: <img> lacks "alt" attribute
line 1003 column 63 - Warning: <img> lacks "alt" attribute
line 1003 column 112 - Warning: <img> lacks "alt" attribute
line 1003 column 162 - Warning: <img> lacks "alt" attribute
line 1014 column 15 - Warning: <img> lacks "alt" attribute
line 1021 column 693 - Warning: <img> lacks "alt" attribute
line 1023 column 2050 - Warning: <img> lacks "alt" attribute
line 1023 column 2209 - Warning: <img> lacks "alt" attribute
line 1031 column 22 - Warning: <img> lacks "alt" attribute
line 1031 column 63 - Warning: <img> lacks "alt" attribute
line 1031 column 112 - Warning: <img> lacks "alt" attribute
line 1031 column 162 - Warning: <img> lacks "alt" attribute
line 1032 column 11 - Warning: <img> lacks "alt" attribute
line 1042 column 15 - Warning: <img> lacks "alt" attribute
line 1049 column 291 - Warning: <img> lacks "alt" attribute
line 1058 column 44 - Warning: <img> proprietary attribute value "absmiddle"
line 1058 column 142 - Warning: <img> proprietary attribute value "absmiddle"
line 1058 column 245 - Warning: <img> proprietary attribute value "absmiddle"
line 1067 column 25 - Warning: <img> lacks "alt" attribute
line 1072 column 267 - Warning: <img> lacks "alt" attribute
line 194 column 2968 - Warning: trimming empty <font>
line 200 column 3467 - Warning: trimming empty <font>
line 247 column 5863 - Warning: trimming empty <font>
line 350 column 1511 - Warning: trimming empty <font>
line 515 column 1511 - Warning: trimming empty <font>
line 633 column 583 - Warning: trimming empty <p>
line 634 column 623 - Warning: trimming empty <p>
line 635 column 922 - Warning: trimming empty <p>
line 721 column 1511 - Warning: trimming empty <font>
line 838 column 2849 - Warning: trimming empty <font>
line 1052 column 17 - Warning: trimming empty <tr>
line 125 column 68 - Warning: <nobr> is not approved by W3C
line 141 column 68 - Warning: <nobr> is not approved by W3C
line 177 column 27 - Warning: <nobr> is not approved by W3C
line 179 column 157 - Warning: <table> proprietary attribute "height"
line 179 column 222 - Warning: <td> proprietary attribute "background"
line 179 column 318 - Warning: <td> proprietary attribute "background"
line 179 column 408 - Warning: <table> proprietary attribute "height"
line 179 column 488 - Warning: <td> proprietary attribute "background"
line 179 column 1443 - Warning: <td> proprietary attribute "background"
line 303 column 27 - Warning: <nobr> is not approved by W3C
line 348 column 27 - Warning: <nobr> is not approved by W3C
line 350 column 157 - Warning: <table> proprietary attribute "height"
line 350 column 222 - Warning: <td> proprietary attribute "background"
line 350 column 318 - Warning: <td> proprietary attribute "background"
line 350 column 408 - Warning: <table> proprietary attribute "height"
line 350 column 488 - Warning: <td> proprietary attribute "background"
line 350 column 1443 - Warning: <td> proprietary attribute "background"
line 379 column 27 - Warning: <nobr> is not approved by W3C
line 421 column 27 - Warning: <nobr> is not approved by W3C
line 449 column 27 - Warning: <nobr> is not approved by W3C
line 475 column 27 - Warning: <nobr> is not approved by W3C
line 513 column 27 - Warning: <nobr> is not approved by W3C
line 515 column 157 - Warning: <table> proprietary attribute "height"
line 515 column 222 - Warning: <td> proprietary attribute "background"
line 515 column 318 - Warning: <td> proprietary attribute "background"
line 515 column 408 - Warning: <table> proprietary attribute "height"
line 515 column 488 - Warning: <td> proprietary attribute "background"
line 515 column 1443 - Warning: <td> proprietary attribute "background"
line 555 column 27 - Warning: <nobr> is not approved by W3C
line 600 column 27 - Warning: <nobr> is not approved by W3C
line 626 column 27 - Warning: <nobr> is not approved by W3C
line 628 column 163 - Warning: <table> proprietary attribute "height"
line 659 column 27 - Warning: <nobr> is not approved by W3C
line 687 column 27 - Warning: <nobr> is not approved by W3C
line 719 column 27 - Warning: <nobr> is not approved by W3C
line 721 column 157 - Warning: <table> proprietary attribute "height"
line 721 column 222 - Warning: <td> proprietary attribute "background"
line 721 column 318 - Warning: <td> proprietary attribute "background"
line 721 column 408 - Warning: <table> proprietary attribute "height"
line 721 column 488 - Warning: <td> proprietary attribute "background"
line 721 column 1443 - Warning: <td> proprietary attribute "background"
line 763 column 27 - Warning: <nobr> is not approved by W3C
line 796 column 27 - Warning: <nobr> is not approved by W3C
line 798 column 1594 - Warning: <td> proprietary attribute "background"
line 798 column 1894 - Warning: <td> proprietary attribute "background"
line 798 column 2147 - Warning: <table> proprietary attribute "height"
line 802 column 3053 - Warning: <td> proprietary attribute "background"
line 826 column 27 - Warning: <nobr> is not approved by W3C
line 828 column 157 - Warning: <table> proprietary attribute "height"
line 828 column 222 - Warning: <td> proprietary attribute "background"
line 828 column 318 - Warning: <td> proprietary attribute "background"
line 828 column 408 - Warning: <table> proprietary attribute "height"
line 828 column 488 - Warning: <td> proprietary attribute "background"
line 828 column 1443 - Warning: <td> proprietary attribute "background"
line 963 column 27 - Warning: <nobr> is not approved by W3C
line 1019 column 27 - Warning: <nobr> is not approved by W3C
line 1021 column 157 - Warning: <table> proprietary attribute "height"
line 1021 column 222 - Warning: <td> proprietary attribute "background"
line 1021 column 318 - Warning: <td> proprietary attribute "background"
line 1021 column 408 - Warning: <table> proprietary attribute "height"
line 1021 column 488 - Warning: <td> proprietary attribute "background"
line 1021 column 1443 - Warning: <td> proprietary attribute "background"
line 1047 column 27 - Warning: <nobr> is not approved by W3C
Info: Document content looks like HTML5
Info: No system identifier in emitted doctype
Tidy found 435 warnings and 4 errors!

The alt attribute should be used to give a short description
of an image; longer descriptions should be given with the
longdesc attribute which takes a URL linked to the description.
These measures are needed for people using non-graphical browsers.

For further advice on how to make your pages accessible
see http://www.w3.org/WAI/GL.
You are recommended to use CSS to specify the font and
properties such as its size and color. This will reduce
the size of HTML files and make them easier to maintain
compared with using <FONT> elements.

You are recommended to use CSS to control line wrapping.
Use "white-space: nowrap" to inhibit wrapping in place
of inserting <NOBR>...</NOBR> into the markup.

About HTML Tidy: https://github.com/htacg/tidy-html5
Bug reports and comments: https://github.com/htacg/tidy-html5/issues
Official mailing list: https://lists.w3.org/Archives/Public/public-htacg/
Latest HTML specification: http://dev.w3.org/html5/spec-author-view/
Validate your HTML documents: http://validator.w3.org/nu/
Lobby your company to join the W3C: http://www.w3.org/Consortium

Do you speak a language other than English, or a different variant of
English? Consider helping us to localize HTML Tidy. For details please see
https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md