KompreSS 1.0.1 - Board 2

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Main - ROM Hacking Related Releases - KompreSS 1.0.1

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Sukasa

Posted on 03-04-09 05:08 PM

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After being on hiatus for about two to three years, finally got this updated and finished.

KompreSS is a compression and decompression engine for the compresison format used by Kirby's Adventure and Kirby Super Star. It is written in VB.NET for .NET 3.5 and should be cross-platform compatible using Mono. It's a fairly simple DLL to use, there are directions in the included README. It's not particularly useful on its own, but if anyone was interested in hacking KA or KSS, well, it'll probably be pretty useful.

Download Link

The original documentation was written by Parasyte, and I think I've made a couple changes to it while I was working on this: Compression Spec

boingboingsplat

Posted on 03-04-09 05:54 PM

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	How cool. I've always wanted to take a crack at Kirby's Adventure hacking. ____________________

Raccoon Sam

Posted on 03-04-09 09:11 PM

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HOLY
I fell off my chair when I read this! Thank you so much..!
Maybe the schema is used in Kirby's Dream Land 3 or some other HAL titles as well?
Either way, thank you. THANK YOU.

____________________

Sukasa

Posted on 03-04-09 11:36 PM

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Posted by Raccoon Sam
HOLY
I fell off my chair when I read this! Thank you so much..!
Maybe the schema is used in Kirby's Dream Land 3 or some other HAL titles as well?
Either way, thank you. THANK YOU.

Glad to hear it

I'm not sure whether this schema is used anywhere else, since I really just took the documentation and implemented it, but if you find out please do let me know!

Parasyte

Posted on 03-06-09 05:26 AM

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Glad to see people are still working toward hacking the Kirby games!

I just have one comment on a change made in the compression spec you linked to. The "type 5, bit-reversing LZ-copy" is not a simple XOR $FF. That's what we usually call a bit-inversion. The type 5 compression physically reverses bits.

For example, if an input byte is $4E, the output byte will be $72:

$4E: 01001110
->
$72: 01110010

Here is the relevant code from Kirby's Adventure:

;$A0 - bit-reversing lz-copy
$C517:20 55 C5  JSR $C555       ; tmp = lzsource[k++]
$C51A:85 02     STA $02 = #$80
$C51C:A2 08     LDX #$08
$C51E:06 02     ASL $02 = #$80  ; Reversing bits ...
$C520:6A        ROR
$C521:CA        DEX
$C522:D0 FA     BNE $C51E
$C524:20 62 C5  JSR $C562       ; out[j++] = tmp
$C527:C6 00     DEC $00 = #$00
$C529:D0 EC     BNE $C517
$C52B:C6 01     DEC $01 = #$FF
$C52D:10 E8     BPL $C517
$C52F:68        PLA
$C530:A8        TAY
$C531:4C 46 C4  JMP $C446

Sukasa

Posted on 03-06-09 06:08 AM

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..I think the greatest irony there is that I originally thought to use that, but wasn't sure and switched to the Xor D:

Thanks, Parasyte. For everyone else, I'll have an updated binary in a few minutes.

Sukasa

Posted on 03-06-09 06:14 AM (rev. 3 of 03-06-09 06:33 AM)

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Binary updated. The compression spec has been added to the .rar

Here you go

KirbyRibbonfan39

Posted on 11-07-14 03:40 AM (rev. 2 of 11-07-14 09:47 AM)

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Excuse me,sir...I need your help...I downloaded the hacking utilities of yours that I came across and I noticed that it's a DLL file and can't quite figure out how to use the source,thus open the program itself...Can you give me a tutorial on how to get KompreSS opened and working so that I can start hacking Kirby Super Star and show off my brilliant talents upon you and everyone else...Please,sir...I'll do anything if you help me on this.

Googie

(post deleted)

ID: 158938

ShaneM

Posted on 11-07-14 08:36 AM (rev. 5 of 11-07-14 08:51 AM)

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Posted by KirbyRibbonfan39
Excuse me,sir...I need your help...I downloaded the hacking utilities of yours that I came across and I noticed that it's a DLL file and can't quite figure out how to use the source,thus open the program itself...Can you give me a tutorial on how to get KompreSS opened and working so that I can start hacking Kirby Super Star and show off my brilliant talents upon you and everyone else...Please,sir...I'll do anything if you help me on this.

I ask that you please not bump old threads like this without new information. As you can see, Sukasa hasn't been on in years. Furthermore, I'm not liking how you're coming across as desperate, stating you'll do "anything" for another users help. For the future, just ask and refrain from begging and/or swearing. In any event, whether this was a sincere post or not, this is your warning. --ShaneM

____________________
At the end, when the day is over, the only one left to face is yourself. Have you been true to yourself and made the most of your day?

KirbyRibbonfan39

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gridatttack

Posted on 11-07-14 09:56 AM (rev. 2 of 11-07-14 09:57 AM)

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Posted by KirbyRibbonfan39
Excuse me,sir...I need your help...I downloaded the hacking utilities of yours that I came across and I noticed that it's a DLL file and can't quite figure out how to use the source,thus open the program itself...Can you give me a tutorial on how to get KompreSS opened and working so that I can start hacking Kirby Super Star and show off my brilliant talents upon you and everyone else...Please,sir...I'll do anything if you help me on this.

According to the first post, theres a readme.txt included on how to use it.

Perhaps that will help you in solving your problem?

____________________

KirbyRibbonfan39

(post deleted)

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MiniCompute

Posted on 11-10-14 02:15 PM

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Posted by shanem
Posted by KirbyRibbonfan39
Excuse me,sir...I need your help...I downloaded the hacking utilities of yours that I came across and I noticed that it's a DLL file and can't quite figure out how to use the source,thus open the program itself...Can you give me a tutorial on how to get KompreSS opened and working so that I can start hacking Kirby Super Star and show off my brilliant talents upon you and everyone else...Please,sir...I'll do anything if you help me on this.

I ask that you please not bump old threads like this without new information. As you can see, Sukasa hasn't been on in years. Furthermore, I'm not liking how you're coming across as desperate, stating you'll do "anything" for another users help. For the future, just ask and refrain from begging and/or swearing. In any event, whether this was a sincere post or not, this is your warning. --ShaneM

You can stop your now, problem is that you forgot to the lock thread.

Sure you made a good comment on sukasa being gone you seem to have forgotten this 5 year old thread was bumped up and it should have been closed immediatley.
Close the thread to prevent any further problems, if the guy wants help he can go back to jul and ask sukasa that personally.

That will show you he is serious or not.

ShaneM

Posted on 11-10-14 09:17 PM

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Posted by MikeTechno
...problem is that you forgot to the lock thread.

Problem solved. --ShaneM

____________________
At the end, when the day is over, the only one left to face is yourself. Have you been true to yourself and made the most of your day?

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