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Basic Questions & Answers thread

Discussion in 'Engineering & Reverse Engineering' started by Tweaker, May 29, 2008.


  1. Cheers. I think I'm going to fuck about with the S1 bosses for a while purely to savour the results.
     
  2. Hitaxas

    Hitaxas

    Retro 80's themed Twitch streamer ( on hiatus) Member
    regarding my Jaws problem:
    I figured out that it does read from the subtype, yet for some reason in S2, it wont take from the D0, which causes it to "spaz"
    I changed the d0 in turn_delay and turn_delay2 to #$200 and #$350, and it moves perfectly.
     
  3. Spanner

    Spanner

    The Tool Member
    OK, I'm currently doing work on an "overworld" level for my hack & I have a small problem which is subtypes, which would be easier & better to use. I've looked at a few objects that uses subtypes yet when I try to add them to the object it fails. How could I utlilise this?
    This is based off RHS's object in his ASM guide by the way.
     
  4. Anyone know how to remove the collision from s2 springs? (So they act similarly to Sonic Advanced').


    Edit:

    Two zones that don't work (MCZ and MTZ) in Gens and Gens+ do work in Kega Fusion. I have no idea what causes it or how to fix it. HTZ used to do this, but once the PLCs were removed they worked now. HTZ's PLC freezes HTZ.

    http://www.youtube.com/watch?v=Wsm690WHCVs
     
  5. roxahris

    roxahris

    Everyone's a hypocrite. Take my word for it. Member
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    Is there any way I can get the compiler to notify me if it sees a specific equate? Say, for example, I had something like "Test_bit" and I used it, how would I make it show up as a warning or something?
     
  6. If you just want to find out where you've used the equate, can't you just to a text search, or else comment out the definition of the equate and see where the errors show up?
     
  7. Hitaxas

    Hitaxas

    Retro 80's themed Twitch streamer ( on hiatus) Member
    If there was an error with the equate, and you build, it should already mark it up as an error and give you the line number and the line itself. It always has for me.
     
  8. Galaxia

    Galaxia

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    degloving infants
    IYO, what is the simplest way of porting sprites? I want to port S3 sprites into S1, essentially.
     
  9. Hitaxas

    Hitaxas

    Retro 80's themed Twitch streamer ( on hiatus) Member
    Unless you want parts to be cut off, due to mappings, porting all the sprites, dplcs, mappings and animations is the best method.
     
  10. theSTHguy

    theSTHguy

    Fear the wrath of my ∫! Ha ha ha! Member
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    The Shadow Odyssey (TSO)
    Using Hivebrain's 2005 Split Disassembly, is there a way to have two separate Sonic palettes, I.e. have one just for Sonic, and the other one for all the objects that uses the Sonic palette.
     
  11. Aquaslash

    Aquaslash

    <The Has-been Legend> Moderator
    The only way out is to map all the shared objects to the second line, and have every second line palette clone Sonic's.

    In other words, you can't do it while preserving everything else. You're gonna have to edit some art and mappings.
     
  12. BlackHole

    BlackHole

    You're going to need MORE than help. Member
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    Here's one. How do you port the REV01 Background Deformation to Sonic 1. I've tried the Wikia, but it seems the information has been screwed with.
     
  13. SCHG How-to:Port the REV01 Background Effects, and I'm sure it hasn't been screwed with. Could you post whatever error messages you get when you try to follow the guide?
     
  14. Quirk

    Quirk

    Member
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    Hello. I'm getting my feet wet with Sonic hacking since I've just done basic NES hacking most my life. Are Sonic 1/2/3+K easily portable (or have been ported) to Sega CD? I want to start small and make a 3-act tech demo, but I'd like to be able to eventually play what I've done on an actual Genesis. I can always buy a flash cart, but I was hoping there'd be a way to utilize the CD audio.
     
  15. roxahris

    roxahris

    Everyone's a hypocrite. Take my word for it. Member
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    Sonic 1 has been ported to the Mega CD by Stealth, Sonic 2 (and 1) were in that demo he released, but I don't know about 3K. I doubt it was easy, though...

    (This useless post brought to you by roxahris)
     
  16. muteKi

    muteKi

    Fuck it Member
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    If you weren't on IRC, something that was established yesterday was that this task wouldn't be so much difficult as tedious, as there isn't really an easy way to convert the ROM into a SCD iso, especially due to the fact that the RAM on the SCD can only hold so much data (256k) from the CD at any time, and it can't be run on-the-fly. Same reason SCD isn't often hacked.


    The best site for information on what you need to do is here: http://www.retrodev.com/segacd.html
    I haven't read through a lot of it so I've never made heads or tails of it, so, whatever.
     
  17. BlackHole

    BlackHole

    You're going to need MORE than help. Member
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    The errors keep coming. I don't know what's wrong, though I think it'll be easier if someone were to provide a disassembly with the REV01 deformation in it.
     
  18. nineko

    nineko

    I am the Holy Cat Tech Member
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    Dude, that path is too long. Read the error you get, the ' ' character (meaning the space) is not valid.
    Move the whole thing into a higher folder, I personally have everything into C:\68000
    Dos utilities don't like long paths and filenames.
     
  19. ZFG

    ZFG

    Member
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    When I'm trying to split my Sonic 1 rom this happens: [​IMG]
    It goes like Normal, but I Freeze there. Any Idea?
     
  20. BlackHole

    BlackHole

    You're going to need MORE than help. Member
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    *sigh* I really hate to be a pain, but now the built rom won't load up. If possible, could somebody send me the file with the REV01 effects, just to save people the trouble of answering my problems.