base:memory_management
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| base:memory_management [2022-03-05 22:51] – typos & minor rewording white_flame | base:memory_management [2022-03-06 10:20] – [With Cartridges] white_flame | ||
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| Line 5: | Line 5: | ||
| ====== Without Cartridges ====== | ====== Without Cartridges ====== | ||
| - | The low 3 bits of $01 control the mapping of specific regions of memory. | + | The low 3 bits of $01 control the mapping of specific regions of memory. |
| ^Name ^Bit ^Region ^0 ^1 ^Notes^ | ^Name ^Bit ^Region ^0 ^1 ^Notes^ | ||
| Line 37: | Line 37: | ||
| The expansion port has 2 configuration inputs (/EXROM and /GAME), and 4 chip select outputs (/IO1, /IO2, /ROML, /ROMH). | The expansion port has 2 configuration inputs (/EXROM and /GAME), and 4 chip select outputs (/IO1, /IO2, /ROML, /ROMH). | ||
| - | /IO1 and /IO2 lines are active on both reads & writes, any time that I/O is banked in: | + | /IO1 and /IO2 lines are active on both reads & writes |
| * /IO1 = $DE00 - $DEFF | * /IO1 = $DE00 - $DEFF | ||
| * /IO2 = $DF00 - $DFFF | * /IO2 = $DF00 - $DFFF | ||
base/memory_management.txt · Last modified: 2022-04-17 05:36 by white_flame