Chelnov japanese bootleg

This romset comes from a bootleg pcb.It's japanese version hacked,main difference are: Notice at startup and cycling removed (black screen for  5 sec.),copyright string modified to show only the production year (1988).
Hardware info:
Main cpu 68000
Sound cpu 6502
Sound ics: ym2203 and ym3812
Other ic: Philips MAB8031AH MCU
OSC: 20 mhz, 12 mhz,8 mhz (for mcu)
Rom definition:
chlnov11 to chlnov16 main program
chlnov17 MAB8031AH code
chlnov2 to chlnov9 graphics
The rest not included (sound and left gfx roms) are identical to existing set.
All eproms are 27512,27256 and 2764

Dumped by tirino73 >isolani@interfree.it<