blastar (./46):
sent you a message... works fine if I inject this (via HEXeditor) into the GXG rom and activate the eyecatcher.
Thank you very much! The next problem is software DIPs. Just look at this:

Did I make any mistake in
crt0_cart.s file, when I prescribed a software DIPs?
* Names MUST be 16 characters long
* <---------------->
JPconfig:
.ascii "GIRL X GIRL "
.word 0xffff, 0xffff
.byte 0xff, 0xff, 0x13, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
.ascii "DIFFICULTY "
.ascii "EASY "
.ascii "NORMAL "
.ascii "HARD "
.ascii "LANGUAGE "
.ascii "ENGLISH "
.ascii "RUSSIAN "
NAconfig:
.ascii "GIRL X GIRL "
.word 0xffff, 0xffff
.byte 0xff, 0xff, 0x13, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
.ascii "DIFFICULTY "
.ascii "EASY "
.ascii "NORMAL "
.ascii "HARD "
.ascii "LANGUAGE "
.ascii "ENGLISH "
.ascii "RUSSIAN "
EUconfig:
.ascii "GIRL X GIRL "
.word 0xffff, 0xffff
.byte 0xff, 0xff, 0x13, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
.ascii "DIFFICULTY "
.ascii "EASY "
.ascii "NORMAL "
.ascii "HARD "
.ascii "LANGUAGE "
.ascii "ENGLISH "
.ascii "RUSSIAN "