News: 11 March 2016 - Forum Rules, Mobile Version
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Messages - snarfblam

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61
o_O  This was one of the biggest and most popular games when it came out.  Everyone I knew growing up loved it.

I knew of it, but never once played it as a kid.

62
ROM Hacking Discussion / Re: Proposal: IPS Revision for CRC checking
« on: April 03, 2016, 10:08:57 am »
Looks pretty good to me. One or two nitpicks:

Quote from: Original
        To correct this, new patches should give a faux-offset for the metadata which will put the mangled data in a section
        of the file that will be overwritten by a future normal Data block.

Perhaps:

Quote from: Suggestion
        To correct this, new patches must use a faux-offset for the metadata that will place the mangled data in a section
        of the file that will be completely overwritten by the following normal Data blocks.

And although it is implied by the above, for clarity it might be best to add:

Quote from: Suggestion
        Faux-offsets for metadata blocks must place the mangled data within the bounds of the resulting file.

63
I'm guessing it's a "Communist Mario" hack, as it's been called when people have done Super Mario World hacks like it.

Like so.

64
News Submissions / Re: ROM Hacks: Communist Mario 3 Released!
« on: April 01, 2016, 05:29:47 pm »
When I'm done I'll see if I can remember to dig up this thread and post reaults. If anyone else is interested in getting a cartridge, let me know.

Consider yourself letted knowed.

65
ROM Hacking Discussion / Re: Proposal: IPS Revision for CRC checking
« on: March 31, 2016, 05:56:09 pm »
I think it would totally be worth it. It doesn't make the current patch format mess any more complicated. Worst case scenario, it doesn't catch on and we end up with a handful of patches that are slightly bigger than they need to be, best case scenario it supersedes LIPS and the world is a better place. Regardless of the final details, I'd definitely incorporate the functionality into my own IPS code.

66
Gaming Discussion / Re: Favorite Roguelikes/Dungeon Crawlers
« on: March 30, 2016, 01:59:30 pm »
I'd never played any Roguelikes until I found Pixel Dungeon for Android (free and ad free, but I enjoyed it enough to donate a few bucks). Since then I've tried a couple others, but nothing that appealed to me much. I wouldn't mind trying more. I'd just rather it be something relatively clean and simple, though.

67
ROM Hacking Discussion / Re: Proposal: IPS Revision for CRC checking
« on: March 30, 2016, 01:42:47 pm »
I think if you really wanted to get technical you could try to make the assertion that overlapping patches invoke undefined behavior. (Every spec I've looked at only explained file structure.) A patcher that is thrown off by unexpected data after EOF, on the other hand, is ill-behaved.

In reality, any patcher that is remotely worth using will tolerate either condition. Neither approach is any harder to implement, and neither has any significant drawback. (Who cares if you have to traverse the entire file to get the checksum? How many IPS patches have you run into that can't be applied virtually instantly?)

It's really a matter of personal preference, and since you're taking the initiative, I'd say it's really your call, Disch.

68
ROM Hacking Discussion / Re: Proposal: IPS Revision for CRC checking
« on: March 29, 2016, 07:31:20 pm »
There is already an extension to the IPS format that appends data after EOF. No reason you can't further extend it. It's a simple 3-byte file length specifier to allow a patch to truncate the ROM. Just to be super-duper-extra-mega-safe, you should include a file truncation entry that specifies the correct file size. That way, a patcher checking for that info won't be thrown off when it encounters something else following EOF. It should be relatively safe to include additional metadata following the truncate entry, giving you backwards compatible patches.

69
ROM Hacking Discussion / Re: Ever notice weird things in a ROM?
« on: March 28, 2016, 09:50:28 pm »
But that site is not about game coding weirdness.

Is that what this topic is about? Thought it was just about general weird things noticed in ROMs.

There's no verification either. Almost everything on TCRF about the unused Industrial Area stage in SNES Final Fight is incorrect.

It's a wiki. Go fix it. Or just take it for what it is: a community maintained catalog of unused game content that is neither complete nor perfect.

Anyways, since people were talking about unused assets, hidden messages, extra code, etc. I figured I'd point out a place dedicated to that stuff. Sorry?

70
ROM Hacking Discussion / Re: Ever notice weird things in a ROM?
« on: March 28, 2016, 05:30:23 pm »
Just in case anyone hasn't stumbled upon it, just wanna point out that The Cutting Room Floor exists, and is full of things like this.

71
ROM Hacking Discussion / Re: Snow in SMB2
« on: March 20, 2016, 06:41:55 pm »
...Nope. The result was ugly and incomplete. I was just checking to make sure it works.

How to fish: Open game in FCEUX, open Name Table Viewer. Placing the mouse over a sky tile shows the following:

Spoiler:

Note the Tile ID: FA. Now open the PPU viewer:

Spoiler:

The background tiles are on the right. Find tile FA. It is below the water, to the right of the question mark and two dots.

Now open up YY-CHR, Tile Layer Pro, or whatever your preferred tile editor may be. Find the same arrangement of tiles:

Spoiler:

Note that the tiles are repeated, once for each frame of animation. Now you can either draw your own tiles or copy tiles from another ROM.

Now you know how to fish.

Spoiler:

72
ROM Hacking Discussion / Re: Snow in SMB2
« on: March 20, 2016, 03:48:08 pm »
I don't know anything about the SMB2 Christmas Special, but I opened SMB2 in a tile editor, slapped some white dots on the sky tiles, and snow happened.

73
News Submissions / Re: ROM Hacks: New Hacks Added to the Database
« on: March 11, 2016, 05:46:18 pm »
maker code, checksum, rom revision...how is that in any way useful in telling if you have the correct rom file? ... the title with the (j), [c], and [!] are relevant pieces of info needed to find the correct rom for a romhack. i don't see how anyone will be able to find the correct rom for that street fighter hack.

The CRC-32 is good enough to identify the ROM (SHA-1 or SHA-256 would be preferable), but most of the other info is just noise. I don't even know what "marker" or "old header" mean.

Spoiler:

I'll submit an edit to add this info:

Quote from: Hasher
No-Intro Name: Super Street Fighter II (USA)
(No-Intro version  20130701-030720)
ROM/File SHA-1: 8E67787988024503C4ADEADD5FE50A340AA860D7

74
Gaming Discussion / Re: 3DNES is a thing?
« on: March 10, 2016, 06:00:59 pm »
It's done in Unity. The technique is pretty obvious... and they are definitely using per-game settings.
It's impossible to get those effects in those circumstances without some sorta labeling scheme.

No, it's done entirely on the fly. He has been refining the heuristics for generating 3D shapes and guessing depth.

http://forums.nesdev.com/viewtopic.php?f=3&t=13552

75
Personal Projects / Re: The Legend of Zelda: Born of a Legend
« on: February 25, 2016, 09:31:23 pm »
I remember stumbling upon the Spanish thread for this years ago. I was disappointed when it stopped receiving updates. I'll have to check this out.

76
Programming / Re: Defining Header in ASM6
« on: February 24, 2016, 05:26:04 pm »
You have to manually define the header with .db or .byte (depending on the assembler, but iirc ASM6 supports both) directives. As long as you understand the iNES header format and how to insert bytes with your assembler, you should be good to go.

I found this example ASM6 header definition on a nesdev thread:

Code: [Select]
;----------------------------------------------------------------
; iNES header
;----------------------------------------------------------------

   .db "NES", $1a ;identification of the iNES header
   .db PRG_COUNT ;number of 16KB PRG-ROM pages
   .db $01 ;number of 8KB CHR-ROM pages
   .db $00|MIRRORING ;mapper 0 and mirroring
   .dsb 9, $00 ;clear the remaining bytes

77
News Submissions / Re: ROM Hacks: Complete Hack: Lode Runner Blue Released!
« on: February 07, 2016, 03:47:21 pm »
Fix'd.

For future reference, I believe that from this page you should see an edit button on your own news submissions. Those edits are propagated to the forum.

78
News Submissions / Re: ROM Hacks: New Hacks Added to the Database
« on: February 07, 2016, 09:04:32 am »
Love dat GoodSet

79
I'm not sure it's final, but either way it would be easy enough to share the necessary info to let people modify it.

80
Initially the corner map was a modification of Parasyte's corner map, but that map glitches on the edges of the game world, and has a bug where if there are too many sprites on the screen, they all disappear.

I rewrote it fix bugs, make it faster, and to use lowest-priority sprites. Since it does use a lot of sprites, there will be flicker, but the map will flicker instead of causing enemies to flicker and if there are too many sprites on the screen the map will start dropping tiles instead of something else.

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