This is a Batman 2 (VRC4d) pirate cartridge :
Cartridge :
Front :
Back :
Front Scan :
Back Scan :
Schematic :
Dump :
Patch the IPS file of the dump to the original version of the game (Dynamite Batman (J).nes)
I want to run Contra (J).nes (VRC2b) on this cartridge
I swapped A2/A3 with A1/A0 on the AX5208C according to this info :
Batman 2 :
VRC4d, PCB 352400, mapper 25 submapper 3
(fr) CPU A2 -> |03 38| -> PRG A15 (r)
(fr) CPU A3 -> |04 37| <- CPU A12 (f)
Contra :
Contra VRC2 LROG009-00 23 2b B27B8CF4
VRC2b, PCBs 350603, 350636, 350926, and 351179, mapper 23 submapper 15
(fr) CPU A1 -> |03 38| -> PRG A15 (r)
(fr) CPU A0 -> |04 37| <- CPU A12 (f)
But it seems this is not enough!
If someone provide me a high quality picture of Contra (J).nes cartridge PCB, I will try to trace the lines and find out about it
Oh by the way in this page this is wrong :
(f) PPU A13 -> |11
It must be :
(f) PPU /A13 -> |11
Some useful info about VRC and AX5208C :
Konami Vrc I Pochodne
AX5208C Pinout
VRC2 pinout
VRC2
VRC4
Talk:VRC4
Konami VRC2 - $6000
VRC IV pinout
Gradius II (J) with AX5208P
Suikan Pipe (Gimmick Bootleg) WIP.
VRC2 to VRC4 conversion
Cartridge :
Front :
Back :
Front Scan :
Back Scan :
Schematic :
Dump :
Patch the IPS file of the dump to the original version of the game (Dynamite Batman (J).nes)
I want to run Contra (J).nes (VRC2b) on this cartridge
I swapped A2/A3 with A1/A0 on the AX5208C according to this info :
Batman 2 :
VRC4d, PCB 352400, mapper 25 submapper 3
(fr) CPU A2 -> |03 38| -> PRG A15 (r)
(fr) CPU A3 -> |04 37| <- CPU A12 (f)
Contra :
Contra VRC2 LROG009-00 23 2b B27B8CF4
VRC2b, PCBs 350603, 350636, 350926, and 351179, mapper 23 submapper 15
(fr) CPU A1 -> |03 38| -> PRG A15 (r)
(fr) CPU A0 -> |04 37| <- CPU A12 (f)
But it seems this is not enough!
If someone provide me a high quality picture of Contra (J).nes cartridge PCB, I will try to trace the lines and find out about it
Oh by the way in this page this is wrong :
(f) PPU A13 -> |11
It must be :
(f) PPU /A13 -> |11
Some useful info about VRC and AX5208C :
Konami Vrc I Pochodne
AX5208C Pinout
VRC2 pinout
VRC2
VRC4
Talk:VRC4
Konami VRC2 - $6000
VRC IV pinout
Gradius II (J) with AX5208P
Suikan Pipe (Gimmick Bootleg) WIP.
VRC2 to VRC4 conversion