Converting a DoDonPachi DaiOuJou White Label PCB to a Black Label PCB.
DDP DOJ WL PCB
DOJ WL to BL ROM
Burn the image on to a fresh EPROM then put in place of the D D V100 ROM on the WL PCB. Good to go.
The boot screen string has been altered to highlight the conversion as seen below.
Original Black Label PCB
White Label Conversion
Thanks to shady994 for writing the ROM decryption tool and for the CMPI instruction information.