Memory Paging Control: Difference between revisions
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Created page with "{{Port |Number=$7FFD |ShortDesc=Selects active RAM, ROM, and displayed screen. |Readable=No |Writable=Yes |Subsystem=Memory Map }}" |
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|Readable=No | |Readable=No | ||
|Writable=Yes | |Writable=Yes | ||
|Subsystem=Memory | |Subsystem=Memory map | ||
}} | }} | ||
Selects the active memory page in slot 4 at $C000. See [[Memory map]]. | |||
Any values written to this port should also be stored at $5B5C if any OS routines are in use. | |||
Revision as of 17:22, 18 August 2017
| Number | PortNumber::$7FFD |
|---|---|
| Decimal | NumberDec:: |
| Short desc. | ShortDesc::Selects active RAM, ROM, and displayed screen. |
| Bit Mask | PortMask:: |
| Readable | Readable::No |
| Writable | Writable::Yes |
| Subsystem | Subsystem::Memory map |
Selects the active memory page in slot 4 at $C000. See Memory map.
Any values written to this port should also be stored at $5B5C if any OS routines are in use.