11 March 2016 - Forum Rules
Started by bogaabogaa, May 17, 2017, 07:36:24 AM
Quote from: Chicken Knife on February 20, 2021, 10:41:52 AMHello! I wanted to reach out and ask you a question about Castlevania IV since I know you've done several hacks and probably have a pretty strong grasp on many technical aspects of the game.I started toying with the idea of doing a very small CV4 hack this morning as I was playing the game. I always lament the fact that you generally always get your fist whip upgrade after hitting the very first candle in each stage. Essentially the leather whip gets zero play time. And even the upgrade to the full length morningstar happens a little early for my liking. I read somewhere in the past that the game has either a candle counter or a heart counter of some kind that keeps a tally and then I imagine the code does comparison to a requisite number for each upgrade and voila, it gives you the upgrade. I can't really find much online about those mechanics now.I was playing around with debugging tools a bit (I'm not the best debugger and my work is almost exclusively with NES games) and so far I haven't been able to crack the code on this. I thought I'd message you on the off chance that you've already documented exactly how this works and what I'd need to change in order to delay the whip upgrades. No big deal whatsoever if you're not aware. I can always avoid candles. Haha.
Quote from: bogaabogaa on February 23, 2021, 04:17:34 AMI think you should ask question like this in the forum so others might benefit or get a idea what it is about. The heart count is in RAM $0013f2 when you put a breakpoint on it there is a routine that does read it to update the HUD. When you hit a candle you get a different hit.If you are not familiar with the ROM mapping just use lunar address to translate it into a PC file offset.
Quote from: bogaabogaa on February 23, 2021, 04:47:00 AMI forgot to mention that this could be archived with cheat codes like.game genie codes F934-4D0D and F934-446D to have them drop with 15 and 30 hearts.This will not cut it as a small hack and it would probably be smart to replace the mechanic with some other code based on RNG or enemies killed.I also have a discord for questions like this.
Quote from: pianohombre on March 13, 2021, 07:42:24 PMIt's too bad there's no official editor for this game available for download here.
Quote from: pianohombre on December 03, 2021, 09:53:00 PM..After a bit of searching I was able to find another RAM map:https://castlevaniaspeedruns.com/Cv4/RamRomMap
Quote from: bogaabogaa on December 12, 2021, 02:50:48 AMHere some stuff I did:https://i.imgur.com/gxvXmL5.mp4https://i.imgur.com/UmvOFPH.mp4
Quote from: pianohombre on December 12, 2021, 12:28:40 PMYou just changed the sprite from Richter to the Knight Templar, or did you also change the tiles too? Did you change the character using SC4Ed? Thanks and great work!
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