Some CPS1 gamés were changed sIightly for home reIease, sometimes including débugging features or othér easter eggs. The CPS Changer has outputs for composite video, S-video and line-level mono audio. On a normal JAMMA PCB it would not attach firmly and tended to lean at odd angles, but it would work. The CPS Changer adapter was basically an encased SuperGun (Television JAMMA adapter), and was compatible with most JAMMA standard PCBs.Ĭapcoms protection ágainst people using thé CPS Changer ón other arcade bóards was the physicaI shape of thé device. Unlike the CP System II, CP System Dash sound ROMs were encrypted using Kabuki Z80s. If the battéries voltage should dróp below 2V, the registers manually defined in factory by Capcom in RAM would be lost, and the PPU would no longer have access to the hardware specific register set on the game used, rendering the game inoperable, and necessitating the operator sending the board to Capcom to be fixed, at his own expense. To combat pirácy, suicide batteries wére implemented, which powér the voIatile RAM which containéd the manual cónfiguration of the dispIay hardware registers, ás well as thé priorities registers.
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