Fatal Fury 2

PRO-CT0 protection code
Uses lots of bogus addresses to be confusing.

Load C: 00110011001100110011001100110011 ($33333333)

PRO-CT0 serialize: 00110011 3 00110011 2 00110011 1 00110011 0

GAD/GBD to D7~D0 remap (no effect):

00110011 1 00110011 0 00110011 3 00110011 2 00FF00FF ->

Load C: 00110110011010100000011000011010 ($366A061A)

PRO-CT0 serialize: 00110110 3 01101010 2 00000110 1 00011010 0

GAD/GBD to D7~D0 remap:

00000110 1 00011010 0 00110110 3 01101010 2 01365AF0 ->

Load C: 00100100100000010100001000011000 ($24814218)

PRO-CT0 serialize: 00100100 3 10000001 2 01000010 1 00011000 0

GAD/GBD to D7~D0 remap:

01000010 1 00011000 0 00100100 3 10000001 2 18244281 <-

Load C: 00110110011010100000011000011010 ($366A061A)

PRO-CT0 serialize: 00110110 3 01101010 2 00000110 1 00011010 0

GAD/GBD to D7~D0 remap:

00000110 1 00011010 0 00110110 3 01101010 2 01365AF0 nibble swap: 1063A50F ->

Load C: 00100100100000010100001000011000 ($24814218)

PRO-CT0 serialize: 00100100 3 10000001 2 01000010 1 00011000 0

GAD/GBD to D7~D0 remap:

01000010 1 00011000 0 00100100 3 10000001 2 18244281 nibble swap: <- 81422418