Yeah easy.

#TALK TO MERCS NONHOST
0xFFFFFFFF 0x0050238C
0x00000060 0x80000100

#TALK TO SEALS NONHOST
0xFFFFFFFF 0x0050238C
0x00000060 0x40000001

There is only the following address to port from NTSC to PAL : 0x0050238C.