Cart DB #132: Don Doko Don 3

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

Name	Value
IC1	74670
IC2	74670
IC3	74670
IC4	74670
IC5	74670
IC6	16L8
IC7	27F080
IC8	27F080
CART1	FAMICOM_CART
RN1	9x4.7k

Name

Value

IC1

IC2

IC3

IC4

IC5

IC6

IC7

IC8

CART1

FAMICOM_CART

RN1

9x4.7k

Game: Don Doko Don 3 (Dok Doko Don 2 hack) My comments: * It is mapper 33 with mirroring register moved from $8000.6 to $e000.6 * Quite elegant hardware solution - everything stored in 74*670, while combinatorial logic is provided by PAL. Also, one bit of mirroring which should be packed somewhere is stored in PAL. ---------------------------------PAL------------------------------------------- Automatic analysis: !REG2GR! <= (!PPU-A12); CIRAM-A10 <= (CPU-D6 & PPU-A11) | (!CPU-D6 & PPU-A10); O2 <= (I12); //unused input O3 <= Probably non-combinatorial !REG2GW! <= (!CPU-A13) | (CPU-!ROMSEL!) | (CPU-R/!W!) | (CPU-A14); !REG1GW! <= (!CPU-A1) | (CPU-!ROMSEL!) | (CPU-R/!W!) | (CPU-A14) | (CPU-A13); !REG0GW! <= (CPU-!ROMSEL!) | (CPU-R/!W!) | (CPU-A1) | (CPU-A14) | (CPU-A13); PRG-!CE! <= (!CPU-R/!W!) | (CPU-!ROMSEL!); Additional manual analysis for feedback looped outputs: O3 <= CPU-D6 when CPU-!ROMSEL!=0 and CPU-R/!W=0 and CPu-A13=1 and CPU-A14=1 and CPU-A1=0 and CPU-A0=0 CIRAM-A10 <= PPU-A10 when O3='0' else PPU-A11 ---------------------------------MEMORY MAP------------------------------------ PRG-ROM: 128 kB CHR-ROM: 256 kB Bus conflicts: no CPU: $8000|$a000|$c000|$e000 -----+-----+-----+----- $8000|$8001| -1 PPU: $0000|$0400|$0800|$0c00|$1000|$1400|$1800|$1c00 -----+-----+-----+-----+-----+-----+-----+----- $8002 | $8003 |$a000|$a001|$a002|$a003 ---------------------------------REGISTERS------------------------------------- [....pppp] $8000/$8001 [mask: $e003] |||| ++++- 8 kB PRG at $8000-$9fff/$a000-$bfff [.ccccccc] $8002/$8003 [mask: $e003] ||||||| +++++++- 2 kB CHR at $0000-$07ff/$0800-$0fff (lowest bit is NOT ignored) [cccccccc] $a000/$a001/$a002/$a003 [mask: $e003] |||||||| ++++++++- 1 kB CHR at $1000-$13ff/$1400-$17ff/$1800-$1bff/$1c00-$1fff [.m......] $e000 [mask: $e003] | +------- mirroring (0=V, 1=H) -------------------------------------------------------------------------------

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 PAL168) 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