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04-26-24 09:49 PM |
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| Main - ROM Hacking - My Castlevania 3j hack | New thread | New reply |
| Drakon |
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 Red Paragoomba Compromised account. Please contact staff for a password reset. Level: 18 Posts: 6/62 EXP: 29870 Next: 27 Since: 01-26-14 From: Toronto Canada Last post: 3704 days Last view: 3387 days |
What this hack features: Sram saving, no more passwords, it saves everything I felt is important even what loop you're in. I did the lazy version and just replaced the "password" jump with a jump to my loading code and renamed it "continue". I set the cursor to default to continue so you have to press "select" to erase your data making it difficult to erase your game by accident. It saves when you start a new stage, when you enter a new substage (going through one of those mid-stage doors) and right after you die, all automatically. All stages are played in sequence giving you the full experience. No more choosing routes, now you get to play every stage in the game! Don't have time to do it all in one sitting? Worry not! Because there's sram saving so you can turn it off and come back to it whenever you feel. I changed most of the game palette data, I wanted to get rid of that whole cartoon feel and give it a more realistic look. Alucard is now the main character with the freeze attack and mr belmont is the backup character that you start your new game with. Both characters always have fully powered up weapons no more need to pickup weapon upgrades (I had to disable it due to a bug with alucard). Since you play every stage you can pick up any side character you want, yes you can have two alucards if you want. Whenever you pass through a substage door or start a new stage / die, alucard's weapon reverts back to the freeze attack so don't worry if you pick up the clock weapon. I changed which song is played at which point of the game, this is merely a preference thing. I changed the title screen from a bunch of japanese kanji into what I think is a nicer set of tiles (see above screenshot). Again, preference. This indeed runs on real hardware, this playthrough was recorded from an av famicom with a converted madara vrc6 famicom cartridge. The debugger used to locate ram addresses, locate code I want to change, and check my inserted code was fceux debug build. ReVamp was used for most of the palette changes but still a lot of palette changes I had to do manually. yy-chr was used for the tile changes of the title screen. Winhex was used for ending credit and title screen text changes. All programming changes I just typed myself in hex in notepad and inserted using a hex editor. Will I release the ips? No, I don't feel like giving out this much work freely. But for anyone who's interested in hacking away at castlevania 3j here's my hacking notes so you can make your own awesome hack! (I want to inspire more people to learn how to do this): https://www.mediafire.com/?zdik4tf5iw3ng77 ____________________ http://16bitgamer.forumotion.ca/ |
| NARFNra |
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 Koopa Level: 25 Posts: 59/114 EXP: 87655 Next: 1965 Since: 02-13-10 From: Texas Last post: 1807 days Last view: 1807 days |
For images, use [img ] and [/img ] without the spaces. Links are [url ], and I think videos are...
Ah, you need to take the embed code off youtube, I think. Nice job, by the way! |
| Drakon |
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Red Paragoomba Compromised account. Please contact staff for a password reset. Level: 18 Posts: 7/62 EXP: 29870 Next: 27 Since: 01-26-14 From: Toronto Canada Last post: 3704 days Last view: 3387 days |
Posted by NARFNra Thank you sir! All fixed and description added. Thanks for the nice comment too. ____________________ http://16bitgamer.forumotion.ca/ |
| Zynk |
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 Purple Leever Level: 32 Posts: 39/209 EXP: 195986 Next: 10456 Since: 10-19-12 Last post: 80 days Last view: 7 hours |
Of course you can't release the rom itself. But how about a patch? Just saying.
Anyways, I'll respect your withholding your work. I hope the hack notes will prove useful to others romhackers. ____________________  |
| justin3009 |
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 Tektite Level: 18 Posts: 41/56 EXP: 29570 Next: 327 Since: 09-08-10 From: Wisconsin Last post: 2935 days Last view: 886 days |
The notes themselves work but if you release it on a pay per basis, you will get slapped with a nice big fine. Be wary of what you do when it comes to legality issues like that. |
| Drakon |
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Red Paragoomba Compromised account. Please contact staff for a password reset. Level: 18 Posts: 8/62 EXP: 29870 Next: 27 Since: 01-26-14 From: Toronto Canada Last post: 3704 days Last view: 3387 days |
Posted by justin3009 Thanks for a heads up but any on pay basis would be for the ips not the rom. Posted by Zynk Thanks, it's really hard to find communities where people appreciate the work that's shown regardless if they can get it for free or not. The hacking notes are to save future hackers the effort of having to hunt down those ram and other addresses themselves. ____________________ http://16bitgamer.forumotion.ca/ |
| MiniCompute |
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 Bubble Level: 66 Posts: 514/981 EXP: 2421550 Next: 40301 Since: 04-25-07 Last post: 490 days Last view: 698 days |
Posted by DrakonPosted by justin3009 Drakon, just from reading this so far, I don't like wear this is headed. :/ If you do sale your rom hack ips, can you show proof from the gaming company you have a right to do so ? If you don't have that right to do it, and they look up and find their "modified" games being sold... You're up for being sued by them. :| |
| Drakon |
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Red Paragoomba Compromised account. Please contact staff for a password reset. Level: 18 Posts: 9/62 EXP: 29870 Next: 27 Since: 01-26-14 From: Toronto Canada Last post: 3704 days Last view: 3387 days |
Oh okay thanks for the clarification. In that case I just won't release it then and I won't accept money for it. I would love to see what interesting hacks are made using my hacking notes.
There's so many people out there selling reproduction cartridges of romhacks, I didn't realize that sort of thing was so unlawful. ____________________ http://16bitgamer.forumotion.ca/ |
| Main - ROM Hacking - My Castlevania 3j hack | New thread | New reply |
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