Labels:text | diagram | parallel | screenshot | line | number | black and white | rectangle | font | plan | technical drawing OCR: B. 18 - Memory Map M S M T LO_ 00COMO F T e T e T a g 0 a 3 0 0 S T T 0 Location(s ) Size Type Meaning 0x00F0001E OB Status Register (on read) as follows: Error Code Waiting Disk Index Passed Data Error DRQ Bit 7 Bit 0 Seek Complete Write Fault Drive Ready Drive Busy Command Register (on write). The IDE registers must be completely setup prior to writing the command byte here. 0x00F00020 - N/A Unused 0x00F00036 0x00 F00038 OB Alternate Status Register (on read) Alternate Command Register (on write) 0x00F00040 - N/A N/A Unassigned 0x00F9FFFF ROM/ Reserved Hardware Space 0x00F A0000 - BYTE ROM Cartridge ROM 0x00FBFFFF 0x00F CO000 - BYTE ROM On pre TOS 2.00 machines, this location marked OxOOFEFFFF the beginning of the operating system ROM's. 0x00F FOO00 - N/A N/A Unassigned 0x00FF7FFF Memory Management Unit/ Falcon Processor Control 0x00FF8000 OB Memory Controller Configuration as follows: Bit 3 Bit V Settings 00 = 128k 01 = 512k Bank 0 10 = 2M Bank 1 11 = Reserved 0x00F F8002 - N/A Unassigned 0x00FF8004
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