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Cart name
Notes for chip search:
  • Use "+" as delimeter for all fields (except "cart name", where space is used); if many values are entered, all of them must appear in the cartridge then; case is not sensitive
  • "Mapper" is the actual mapper used by this cartridge hardware (might not match the one at wiki.nesdev.com, as at the moment I was analyzing this cartridge, there was no mapper assigned to it, so I had to assign my own number for testing)
  • "Original mapper" is the mapper used by licensed version of this game (for multicarts, it refers to mapper of the inside games, so 0+2 means this cartridge can run NROM+UNROM games)
  • Order in which you put values doesn't matter (you can write 7400+74138+7400 or 7400+7400+74138 to search for a cartridge that contains at least two 7400 chips and one 74138
  • Some chips (like PAL16*8) appear in cartridges as 16V8 or 16L8, so be sure to check both posibilities
  • Same goes for memories - type 27F080 to search for 32 pin memories, 27512 for 28 pin with two chip enables or MASKROM_1M_DIP28 for 28 pin with one chip enable
  • Same goes for mappers - some examples: AX5904(MMC1), AX5202P(MMC3), PT8154BM (9112MMC3), AX5208C(VRC4), 23C3662(VRC2)
  • Good news is that you can use wildcards, so 74139+*MMC3* will search for any cartrige that has at least one 74139 and MMC3 chip in any version
Mapper#
Original mapper#
PCB marks
Tags
Chips
Don Doko Don
Typesingle
Mapper
Original mapper
PCB marksNONE
Tags:
Uploaded:2018-01-18 12:49:17

Elements:
NameValue
U17400
U223C3662(VRC2)
U37432
U4MK-3(27512)
U5MK-5(27512)
U62716(27512)
U7MK-4(27512)
CART1FAMICOM_CART

Chip signature:
7400+23C3662(VRC2)+7432+MK-3(27512)+MK-5(27512)+2716(27512)+MK-4(27512)

PCB top:

PCB bottom:

Shell top:


Shell bottom:

Screenshoots:

Extra info:
Game:
Don Doko Don (ported from mapper 33 to VRC2)

Mapper:
	VRC2
	PRG-ROM: 128 kB
	CHR-ROM: 256 kB

My comments:
	There is additional 2 kB ROM mapped at $6000-$7fff (only A0-A9 wired). It is some kind of patch,
	that game jumps and executes code from here (probably modified routine to switch bank,
	which cannot be modified in original rom due to insufficient free space)
	

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