New NES dumps by CaH4e3

October 22nd, 2012, 17:09 Posted By: wraggster

via http://emu-russia.net/en/

CaH4e3 updated his site with the following message:
- Super 3-in-1 (NT-934)[!]. In addition to the yesterday's dump, one more long-unemulating dump is here. The same story as with most 121 mapper games. Easy to dump, easy to emulate, hard to reverse and find the protection tricks. This time it was 2-in-1 game: "Earth Worm Jim 2" + "Earth Worm Jim 4" with different titles and shared different levels from the complete levels pool for this game (which is unlicked in unprotected version without copyrights). Just a little addition to mapper 121 was made this dump work finally, but took some time to figure it out.
There is no much difference from previously versions in levels and music, but Easter Egg this time triggers with secret passwords: "XFILE" for "2" part, "NBA96" for "4" part.
In previously dumped versions of this game a different title with number "3" present in CHR ROM, but never used. Looks like this was planned to share another bunch of levels, rather unused in protected version of this game, but may be cancelled after NT made his own "3" part. But who knows, maybe there anoter one cart with "3" title exists.
- City Fighter IV (Sound)(Unl)[U][!]. So, thanks to GKill for this interesting cart. It was dumped a long time ago, but it took some time to determine how it exactly works, mostly in part mentioned further. For the first look it was the same "Master Fighter - The Wolrd Warrior" cart with the hacked title. But, actually it was quite different from the rest of MF hacks, it has sound samples for title screen, fighter shouts, fight start, etc.! Even if sound samples aren't so rare for the NES, and they may be long enough (just like Final Mission), but there is no way to put so much sound samples for the generic NES system, as here.
At the second look, it's actually have a extra sound cirquit on the cart's PCB. A small PLC chip makes a simple 4-bit DAC (actually, it may be ADPCM, but as soon as resulting sound is close enough to the original, I don't care ), and programm feeding it with samples by IRQ timer. So we have twice reducing of the samples size against 8-bit (7) PCM, and much more quality than DMC for DMC channel.
For this time, you can try it both on the latest FCEUmm and SVN build of FCEUX.
News source: http://cah4e3.shedevr.org.ru

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