X680x0 Memory Map

Start addressEnd addressDescription
0x0000000xBFFFFERAM area
0xC000000xDFFFFFGraphic VRAM
0xE000000xE7FFFFText VRAM Planes
0xE80000CRTC (VICON)
0xE82000Video Controller (CATHY / VIPS)
0xE84000DMAC (HD63450)
0xE86000Memory controller privileged access settings (OHM/ASA)
0xE88000MFP (MC68901)
0xE8A000RTC (RP5C15)
0xE8C000Printer port
0xE8E000System controller (MESSIAH/DOSA)
0xE90000FM Synthesizer (YM2151)
0xE92000ADPCM (MSM6258V)
0xE94000Floppy disk controller (FDC) (uPD72065)
0xE94005Floppy drive monitor (IOSC)
0xE96000SASI
0xE98000ESCC (Z8530)
0xE9A000PPI (82C55)
0xE9C000I/O selector (IOSC)
0xE9E0000xEAFFFFI/O expansion area (Sharp reserved)
0xEB0000Sprite register (CYNTHIA)
0xEB80000xEBFFFFSprite VRAM
0xEC00000xECFFFFI/O expansion area (User)
0xED00000xED3FFFBattery backed-up SRAM
0xED40000xEFFFFF
0xF000000xFBFFFFCGROM
0xFC00000xFDFFFFInternal SCSI Rom
0xFE00000xFFFFFFIPL
0x10000000xFFFFFFFFHigh Memory, only available for 68030+