![]() Most Popular games Include Street Fighter 3 Series * Resolution, pixels: 384×224 (standard mode) / 496×224 (widescreen mode) * Hardware RLE decompression of 6 bpp and 8 bpp graphics through DMA * Scroll features: Horizontal & vertical scrolling, linescroll, linezoom ![]() * Scroll faces: 4 regular + 1 text overlay 'score screen' layer ![]() * Maximum number of objects: 1024, with hardware scaling O Colors per tile (text overlay): 16 (4 bits per pixel) O Colors per tile (backgrounds / sprites): 64 (6 bits per pixel) or 256 (8 bits per pixel), selectable * Maximum number of colors: 32768 (15 bit colour, 555 RGB) * Sound chip: 16-channel 8-bit sample player, stereo The encryption turned out to be a fairly straightforward combination of rotates and XORs In June 2007, the encryption method was reverse-engineered by Andreas Naive, making emulation possible. Furthermore, the CPS-3 was only capable of 2D graphics at a time when most games were being developed with 3D hardware in mind. Games became unplayable when the battery inside the security cartridge died, which had to be replaced at cost to the owner. The security cartridge is sensitive to any sort of tampering, which will result in the decryption key being erased and the cartridge being rendered useless. The program code is then decrypted at run time via the security cartridge. ![]() ![]() When the CPS-3 board is first powered on, the contents of the CD are flashed onto a bank of SIMMs on the motherboard, where it is executed. It features a security mechanism games are supplied on a CD, which contains the encrypted game contents, and a security cartridge containing the game BIOS and the SH-2 CPU with integrated decryption logic, with the per-game key stored in battery-backed SRAM. The CPS-3 was the last arcade system board manufactured by Capcom. ![]()
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