Centipede Sidam bootleg alternate

This romset comes from a Sidam bootleg pcb.Game differences from original are: Copyright string removed.
Hardware info:
Main cpu 6502
Sound ic AY-3-8912
Osc 12,096 Mhz

Rom definition:
centsa-0 to 3 main program
gfx roms are the same of Magic Worm set

All eproms are 2716

Dumped by tirino73 >isolani@interfree.it<