Sonic 1 Special Stage Editor

Told you on AIM, ms-dos editor

Decompress the layout with TSDC (enigma compression) and open it with EDIT /64

 

What's wrong with using Maze-O-Matic? I still use old stuff to this day! Some programs, even DOS programs, never lose their usefulness.

 

You can compress the savestate data in Enigma and replace the data from the disassembly, though. It's not terribly difficult.

 

<!--quoteo(post=197845:date=May 29 2008, 06:58 PM:name=Cinossu ´?`)--><div class='quotetop'>QUOTE (Cinossu ´?` @ May 29 2008, 06:58 PM) [/quote]This is just awesome.[/quote]Rotate it sideways... and you get an alien holding a weird gun!? Or maybe a fire hydrant connected to plumbing.
EDIT: Wait... a fire hydrant with a face?

Oh, and as for special stages, I'm still wondering about editing them for my hack... but I have an idea that will get rid of that partially...

 

...All due respect HiveBrain, has it ever been that simple to do anything around here? =P I mean if he was editing the graphics, sure he could do that. But I don't think he can change the layout.

 

Doesn't anyone know the location and size of the special stage data in a savestate? If he knew that, he'd be good to go.

 

8192 bytes, starting from $3498, but the actual special stage data are only 4096 bytes. For some reasons they are interleaved with chunks of 64 empty bytes.
[64 bytes of data][64 x $00][64 bytes of data][64 x $00] etc

 

Well, yes, this works, but it's not much different than opening it in ms-dos editor.
Since 1 byte = 1 block, you can either see that byte as ascii text or as a pixel in an 8-bit image.
You can probably edit it also in Goldwave (yes, I once used Goldwave to edit the data into Snow Bros and Mean Bean ROMS)

 

Have a look at the command line options for my enidec and enicmp programs:

Code (Text):

1. Decompresses data compressed in the Enigma compression format.
2.  
3. ENIDEC infile outfile offset [<options>]
4. infile:      The file that contains the compressed data.
5. outfile:        The name of the file to create containing the decompressed
6.                 data.
7. offset:      The location of the compressed data in the file. Can be
8.                 prefixed by 0x or written as a regular number. All offsets in
9.                 hex.
10.  
11. <options>
12. -p    Add padding to file. Use if you want to convert a S1 special stage to
13.         the form it's stored in when in a savetate.

Code (Text):

1. Compresses a file using the Engima compression format.
2.  
3. ENICMP infile outfile [<options>]
4. infile:      The file that contains the uncompressed level.
5. outfile:        The name of the file to create containing the compressed level.
6.  
7. <options>
8. -p    Strip padding from file. Use if compressing a special stage that's in
9.         the extended 16kb form.

You can use that magical -p option to take the special stage data from a savestate, and compress it back into the form its stored in when in the actual ROM, or vice versa. I know there's something out there that can edit S1 special stages in a savestate. Just extract the data from the savestate after you've edited it, and use the -p option to convert it directly to a compressed archive you can load back into the ROM.

 

<!--quoteo(post=197704:date=May 28 2008, 05:14 PM:name=Oerg866)--><div class='quotetop'>QUOTE (Oerg866 @ May 28 2008, 05:14 PM)

 

Holy shit, this is

 

Hey that image brings me back to the special stage I created way back called "Saxuality", and it literally had the word "SAXUALITY" written. I'd like to dig that up if I knew where to look...

Nice looking editor by the way. I'm sure it works swell!

 

Prettiest one I've seen since Cyan's. I always loved Cyan's though...

"WHOA!! MAJOR FENDER BENDER!!"