doxDev

Oh no! Another Super Othello WIP screenshots? Someone probably remember the screenshots i have published a couple of months ago on my old Mame WIP page. Everythign was almost ok. But due to weird behaviour of the sub cpu (the system consist of three cpus : main Z80, sub 6809 and sound z80) game wasn't playable. I have decided to take another look at the pcb. It was a good idea, because finally i've found what was wrong / missing. Game is now playble with full sound (ym2203 music / sfx + m5205 voices).

Few words about an arcade bootleg game called ' Sonic Blast Man 2 Special Turbo '. The game is a slighty modified copy of Taito's 'Sonic Blast Man 2'. It runs on hardware ( custom chinese, not the NSS ) "borrowed" from Super Nintendo home console. Just few eproms, rams, three custom QFP chips (there's also another, odler version of the hw, with 6 of them) and Lattice PLD - to handle the most annoying part, protection. So... What's the point to encrypt/protect pirate game? To hide the 'real' (in fact - stolen ) game code and data? Or maybe to annoy other bootlegers? No idea. Kold666 already dumped the ROMs while ago. Unfortunately the pcb is no longer available for additional testing or analysis. The data encryption is not as simple as in other arcade SNES hacks (Killer Instinct, Final Fight 2). But with great help from Andreas Naive it's finally broken. Also the in-game protection checks are now gone (took me a couple of hours t...