Dreamcast documentation archive

DC memory map 0x00000000 - 0x03ffffff 0x00000000 - 0x001fffff Boot ROM (2MB) 0x00200000 - 0x003fffff Flash ROM (256K) 0x04000000 - 0x07ffffff Video RAM (8MB) 0x08000000 - 0x0bffffff ? 0x0c000000 - 0x0fffffff System RAM (16MB) 0x10000000 - 0x13ffffff PowerVR 0x10000000 - 0x107fffff Tile accelerator 0x10800000 - 0x11ffffff Texture mem (wronly) 0x14000000 - 0x17ffffff G2/Expansion (modem) port, 1-4 bytes/access 0x1c000000 - 0x1fffffff Internal I/O registers 0x1f000000 - 0x1ff0???? Memory mapped registers 0xa05f8000 PowerVR registers 0xa0700000 SPU Registers 0xa0800000 - 0xa09fffff Sound RAM (2MB) 0xa1000000 Parallel port 0xa2000000 CD/GD-ROM port 0xa5000000 - 0xa57fffff Non-cached mirror of VRAM 0xff000000 - 0xfff0???? Mirror of memory mapped registers