68k memory map: Difference between revisions
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{| class="regdef" | {| class="regdef" | ||
| Start address | | '''Start address''' | ||
| End address | | '''End address''' | ||
| [[ASM Defines|DEF]] Name | | '''[[ASM Defines|DEF]] Name''' | ||
| Description | | '''Description''' | ||
|- | |- | ||
| $000000 | | $000000 | ||
| $0FFFFF | | $0FFFFF | ||
| | | | ||
| First | | First 1MiB of [[68k]] ROM | ||
|- | |- | ||
| $100000 | | $100000 | ||
| Line 15: | Line 15: | ||
| [[68k user RAM|User RAM]] | | [[68k user RAM|User RAM]] | ||
|- | |- | ||
| $10F300 | | $10F300 | ||
| $10FFFF | |||
| | | | ||
| [[BIOSes|BIOS]] RAM | | [[BIOSes|BIOS]] RAM | ||
| Line 23: | Line 23: | ||
| $2FFFFF | | $2FFFFF | ||
| | | | ||
| Second | | Second 1MiB of 68k ROM (pageable on some carts) | ||
|- | |- | ||
| $300000 | | $300000 | ||
| Line 43: | Line 43: | ||
| $C20000/$CFFFFF | | $C20000/$CFFFFF | ||
| | | | ||
| System's [[BIOSes|BIOS]] (size depends: 128kB or 512kB) | | System's [[BIOSes|BIOS]] (size depends on system: 128kB mirrored or 512kB) | ||
|- | |- | ||
| $E00000 | | $E00000 | ||
| $EFFFFF | | $EFFFFF | ||
| | | | ||
| | | 1MiB upload zone (only on [[:Category:CD systems]]) | ||
|} | |} | ||
[[Category:CPUs]] | [[Category:CPUs]] | ||
Revision as of 21:17, 6 March 2011
| Start address | End address | DEF Name | Description |
| $000000 | $0FFFFF | First 1MiB of 68k ROM | |
| $100000 | $10F2FF | RAMSTART | User RAM |
| $10F300 | $10FFFF | BIOS RAM | |
| $200000 | $2FFFFF | Second 1MiB of 68k ROM (pageable on some carts) | |
| $300000 | $3FFFFF | Memory mapped registers | |
| $400000 | $403FFF | PALETTERAM | Palette RAM |
| $800000 | $80FFFF ? | MEMORYCARD | Memory card |
| $C00000 | $C20000/$CFFFFF | System's BIOS (size depends on system: 128kB mirrored or 512kB) | |
| $E00000 | $EFFFFF | 1MiB upload zone (only on Category:CD systems) |