System Memory Map with 6522 - 12/28/84
Jump to navigation
Jump to search
- 000000-01FFFF 128K Chip RAM
- 000000-03FFFF 256K Chip RAM
- 000000-07FFFF 512K Chip RAM
- 200000-9FFFFF Expansion Space (8MB)
- A00000-BEFFFF External Decoder Expansion Space
- BF1001-BF1F01 6522 A (Odd)
- BF2000-BF2F00 6522 B (Even)
- BF3000-BF3FFF Reserved
- BF4000-BF4300 6551 Serial Port (Even, Special Systems Only)
- BF4000-BF4400 Reserved
- BF5000-BFFFFF Reserved
- C00000-DFFDFF Reserved
- DFF000-DFFFFF Special Purpose Chip Registers
- E00000-E7FFFF Reserved
- E80000-EFFFFF Expansion Slot Decode
- F00000-F7FFFF Cartridge Slot Space
- F80000-FDFFFF ROM
- FE0000-FFFFFF Development System ROM (128K)