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PostPosted: Wed Aug 14, 2019 3:09 am 
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Joined: Mon Feb 04, 2013 10:47 pm
Posts: 34
Location: NTDEC
Long time away from FC Hardware.

Well. i found this cart in a flea market here in chile.
not cheap. I had to buy the entire console/accsesories, seller refuses to give the cart by separately (the console is a "CREATION". same as NASA but another name in my country)

the cart:
https://i.imgur.com/SHJEENl.jpg
https://i.imgur.com/NMAnGrY.jpg

i always looking for 72pin multicarts, i just collect 60pin ones but i remember when i was young to had a 82 in 1 that with a 60-72 adapter built in.
bad luck this time:

https://imgur.com/ta8i2k8.jpg
https://imgur.com/Lt9YKgE.jpg

as you can see.... i am not very experienced with solder skill but three roms were dumped and cart still alive.
the attached NES images are the 3 ICs having NES header as mapper 63.
every single IC have the same menu, but different "game" qty. idk how to make workable as 370.

nd8004:
https://imgur.com/eYhYbdH.jpg

nd8005:
https://imgur.com/cJ0NL6V.jpg

nd8006:
https://imgur.com/gKQqKdD.jpg

NOTE: it runs well in nestopia 1.40 but fails in FCEUX 2.2.2 (probably my FCEU is outdated. i were out of FC things at least 3 years lol)

i think this dump is important because i never seen a multicart like this before.

P.S: i am agreed to sell/trade the cartridge itself, cuz i am not collecting 72-pin titles. just drop a PM if you are interested :D


Attachments:
nd8006.nes [1 MiB]
Downloaded 42 times
nd8005.nes [1 MiB]
Downloaded 38 times
nd8004.nes [1 MiB]
Downloaded 35 times

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PostPosted: Wed Aug 14, 2019 4:59 am 
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Joined: Sun Jun 12, 2011 12:06 pm
Posts: 546
Location: Poland
If you desoldered all ROMs then you can make photo of the PCB without them, that would be useful.
Implementing the mapper according to the nesdev's wiki description of mapper 063 and merging the roms into one works as you expected:


Attachments:
scr.png
scr.png [ 4.77 KiB | Viewed 1050 times ]
nd8004+5+6.zip [3 MiB]
Downloaded 38 times
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PostPosted: Wed Aug 14, 2019 10:02 am 
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Joined: Thu May 19, 2005 11:30 am
Posts: 976
From the way the menu code is acting, unpopulated spaces for the second and third ROMs are expected to return open bus instead of wrapping to the first 1 MiB. This gives more realistic game counts of...
  • 105-in-1: B
  • 124-in-1: A
  • 141-in-1: C
  • 229-in-1: A+B
  • 246-in-1: B+C
  • 265-in-1: A+C
  • 370-in-1: A+B+C
With A being the first megabyte, B the second, C the third megabyte of "nd8004+5+6". Changing the order (e.g. C+A instead of A+C) changes the order of the games in the menu while keeping the same game count.

Snacks wrote:
i think this dump is important because i never seen a multicart like this before.
It adds to the small number of "modular multicarts". Others are the modular multicart by Tsang Hai (four chips creating 20-/22-, 42-, 63-, 64-, 76-in-1 multicarts), and "Golden Game" likely by RCM Group (three blocks creating 100-, 150-, 210-, 260-in-1 multicarts). This one seems to come from NTDEC, because of the mapper 63, the music and graphics style.

Mapper 063 so far only covers fully-populated 3 MiB cartridges, and the TH-2291-3 for which it was originally assigned does not seem to be "modular", so adding the requirement that selected PRG banks above the actual ROM size should return open bus rather than wrap should pose no problem. I can make out a PCB id "H2372".

In any case, thank-you very much for sharing! :)


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PostPosted: Thu Aug 15, 2019 3:06 am 
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Joined: Mon Feb 04, 2013 10:47 pm
Posts: 34
Location: NTDEC
i have the dump of two chips from a nes clone with games built-in.
not a 60-pin game card at the bottom... its embedded to the console.

menu is IDENTICAL to "82 in 1" but no "eighty two" text and no music. games are the same but a few ones added
it has a mini game called "guess number" its in the menu itself and the name is self-explanatory.


here is a picture of the "extra games".
https://i.imgur.com/ujDlIfd.jpg

unfortunately i dont have the console anymore. i gave to a guy that loves 82 in 1 multicart.
both roms were dumped as 27c080 because pin 1 was adressed.


Attachments:
DY-N9002 [9143].BIN [1 MiB]
Downloaded 37 times
DY-N9001.BIN [1 MiB]
Downloaded 35 times

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PostPosted: Thu Aug 15, 2019 8:39 am 
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Joined: Thu May 19, 2005 11:30 am
Posts: 976
N9002.BIN seems to be corrupt. The RLE-encoded CHR-RAM data has FF bytes where they should not be, causing the filling of CHR-RAM to end prematurely. For example, the value at offset D78B8 is $FF, but it should be $03 for the menu to display correctly.

Mapper:
Code:
A~FEDC BA98 7654 3210
  -------------------
  1... ..Sp M.PP PPPP
         || | ++-++++- PRG A15-A20
         || +--------- Mirroring; 0=V, 1=H
         |+----------- PRG A14 in NROM-128 mode
         +------------ PRG mode, 0=NROM-128, 1=NROM-256


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PostPosted: Sun Aug 18, 2019 10:07 am 
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Joined: Mon Feb 04, 2013 10:47 pm
Posts: 34
Location: NTDEC
ill try to dump again, since this console is in another place.

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