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04-26-24 05:00 PM |
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| Main - ROM Hacking - 2 different animation patches Super Mario Bros? | New thread | New reply |
| CKY-9K |
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 Pokey Level: 57 Posts: 239/693 EXP: 1430498 Next: 55430 Since: 06-27-07 From: cKy Last post: 210 days Last view: 118 days |
I've just posted this down on PocketHeaven but since this relies more on hacking knowledge I guess I'll state it here too.
There's 2 styles of animation technique addons for Super Mario Bros circulating throughout the internet in forms of rom hacks. The one that isn't supported by PocketNES is mainly in animated american hacks. Mario Seanons Balloon Bros (a hack over at acmlm) I'm not sure if Extra Mario Bros is an american hack but it seems to use the japanese's animation code. japan animation roms: Evolution by Machi (hack with yoshi and stuff) and then the betaworld hacks http://betaworld.hp.infoseek.co.jp/ which would be: Tower R E Bounce The American patches usually have each a whole seperate sheet of 255 tiles changing, but the Japan patches have segmented areas smaller than a page of tiles. I personally dumped a version of SMB where the American animation is set for use, without any extra side-effects. What I've noticed is that with the coding, there's a huuuge blank spot of FF's moving the data located aprox 7000 down to about C000. ____________________ 
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| Dwedit |
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 Red Paratroopa Level: 30 Posts: 117/162 EXP: 163144 Next: 2725 Since: 03-07-07 From: Chicago Last post: 3518 days Last view: 1613 days |
Mario Seasons is badly programmed and fails in the newest emulators.
Balloon Bros works in pocketnes. ____________________ |
| CKY-9K |
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Pokey Level: 57 Posts: 240/693 EXP: 1430498 Next: 55430 Since: 06-27-07 From: cKy Last post: 210 days Last view: 118 days |
Posted by Dwedit Last time I checked it didn't work. When I say balloon bros I mean this: http://acmlm.no-ip.org/board/thread.php?id=907 Not the shitty ass abortion failure hack where there's a balloon on mario and he floats up forever into the sky. ____________________
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| Drag |
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 Spike Dragon Level: 57 Posts: 691/705 EXP: 1483003 Next: 2925 Since: 02-19-07 From: 
Last post: 3928 days Last view: 3928 days |
I did everything in Super Balloon Fight Physics Mario (actually, "Balloon Bros" is a better name for it, now that I think of it) myself. I didn't even know Mario Seasons (is that one of DahrkDaiz's hacks?) did this, or that there were animation hacks available or anything.
That HUGE block of FFs is a side effect of me expanding the rom. To expand the rom, I had to convert it to MMC3. The number of PRG banks *MUST* be a power of two, so I couldn't just add one bank, I had to add two (making it 4). I tested my hack in nestopia and nintendulator, and I followed the "rules" for the MMC3, so I don't see why it wouldn't work in pocketnes, except if pocketnes was at fault, or if I mixed something up in the ines header, or something. The way I did the animation is just by bankswitching between 4 frames at regular intervals. Pretty simple. I just did it for fun, I wasn't really aiming for anything in particular. ____________________  |
| CKY-9K |
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Pokey Level: 57 Posts: 242/693 EXP: 1430498 Next: 55430 Since: 06-27-07 From: cKy Last post: 210 days Last view: 118 days |
Would you mind if I used the animation code for myself? ____________________
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| Drag |
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Spike Dragon Level: 57 Posts: 692/705 EXP: 1483003 Next: 2925 Since: 02-19-07 From:
Last post: 3928 days Last view: 3928 days |
If you know how to apply it, sure. ____________________ |
| CKY-9K |
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Pokey Level: 57 Posts: 245/693 EXP: 1430498 Next: 55430 Since: 06-27-07 From: cKy Last post: 210 days Last view: 118 days |
Yeah I hunted down all the balloon physics coding and reverted it back to normal. ____________________
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| Dwedit |
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Red Paratroopa Level: 30 Posts: 118/162 EXP: 163144 Next: 2725 Since: 03-07-07 From: Chicago Last post: 3518 days Last view: 1613 days |
The reason that hack fails in PocketNES is that the program counter crosses non-adjacent PRG banks.
Most emulators wouldn't have a problem going from PC=BFFF to PC=C000, but pocketnes doesn't emulate the program counter that way, instead, it emulates it as a pointer. To fix the hack for pocketnes: (edited) * Move 0010-400F to 8010. * Move 4010-800F to 0010 change these: 002F: 03 >> 01 0099: 01 >> 05 F90C: 02 >> 00 F914: 00 >> 04 ____________________ |
| CKY-9K |
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Pokey Level: 57 Posts: 247/693 EXP: 1430498 Next: 55430 Since: 06-27-07 From: cKy Last post: 210 days Last view: 118 days |
Thanks I'll try. ____________________
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| Drag |
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Spike Dragon Level: 57 Posts: 693/705 EXP: 1483003 Next: 2925 Since: 02-19-07 From:
Last post: 3928 days Last view: 3928 days |
Posted by Dwedit Would this cause problems on a real NES, or is this just a PocketNES quirk or something? ____________________ |
| Dwedit |
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Red Paratroopa Level: 30 Posts: 119/162 EXP: 163144 Next: 2725 Since: 03-07-07 From: Chicago Last post: 3518 days Last view: 1613 days |
It's a quirk that affects PocketNES and Loopynes, and any other emulator which represents the program counter as a pointer, and does not check for crossing page boundaries. It happens to work fine in almost all cases, since almost no games which do bankswitching have code run off the edge from one bank to a non-adjacent bank. On slow systems, it's a significant emulation speedup trick. PC's don't need to use that kind of optimization, so almost no PC emulators have problems. ____________________ |
| Dr. Hell |
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 Lakitu Level: 52 Posts: 244/552 EXP: 1026501 Next: 57339 Since: 03-02-07 From: Pittsburgh, PA Last post: 5034 days Last view: 4991 days |
Ah, so that's probably why my hack didn't work on PcketNES either. I was always kind of wondering about that. |
| Drag |
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Spike Dragon Level: 57 Posts: 695/705 EXP: 1483003 Next: 2925 Since: 02-19-07 From:
Last post: 3928 days Last view: 3928 days |
Ah, I see what you mean. It's not really good to have code cross boundaries. Well, it's not that it isn't good, but it tends to be a little tricky to manage when you're dealing with bankswitching.
In this case, I had to do funky stuff with the banks in order to have the rom be readable in SMB level editors, but that was mostly for the people that didn't want to apply my patch over and over. ____________________ |
| Dwedit |
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Red Paratroopa Level: 30 Posts: 120/162 EXP: 163144 Next: 2725 Since: 03-07-07 From: Chicago Last post: 3518 days Last view: 1613 days |
There's also another alternative to rearranging the banks: Put a jump from the code around BFFF to C000. That would eliminate the runover and possibly make it work better with editors? ____________________ |
| CKY-9K |
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Pokey Level: 57 Posts: 248/693 EXP: 1430498 Next: 55430 Since: 06-27-07 From: cKy Last post: 210 days Last view: 118 days |
Certaintly doesn't work with SMB utility. ____________________
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| Hamtaro126 |
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 Cheep-cheep Level: 33 Posts: 41/194 EXP: 212842 Next: 16337 Since: 05-02-07 From: Shelton, WA Last post: 2473 days Last view: 2316 days |
How does Mario Seasons have 2 animation codes? One for Underground/Lava and One with Outside/Water? I wanted to animate SMB 2 ways depending on Seperate level Types.
Animations: Ground/Water:: 1, Sprites 1, 2, BG 3, 4, 5, 6. UnderGround/Bowser's Castle: 3: Sprites 5, 6, BG 7, 8, 9, 10. Title (If possible): Sprites 1, 1, BG 0, 0, 0, 0. ____________________ Mah boi, romhacking is what all true warriors strive for! I wonder what's for dinner? |
| frantik |
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 Red Koopa Level: 28 Posts: 35/139 EXP: 127408 Next: 3930 Since: 10-09-07 Last post: 4489 days Last view: 4483 days |
Disch was just schooling me on mappers and how to animate in SMB recently.. he even made a patch which he says should be 100% compatible with original NES hardware. It uses CNROM/Mapper 3
The this post http://www.romhacking.net/forum/index.php/topic,4882.msg79153.html#msg79153 After you apply the animation patch you will need to add on 3 more banks of chr-rom onto the end of the rom. this will cause it to stop loading in SMBUtil so apply the animation patch to a copy for testing purposes. You can then just apply patches onto the animated rom, making sure to update all the graphics frames if you modify any of the graphics |
| Main - ROM Hacking - 2 different animation patches Super Mario Bros? | New thread | New reply |
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