Memory Paging Control

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Revision as of 17:22, 18 August 2017 by wiki>Hyphz
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Number $7FFD
Short desc. Selects active RAM, ROM, and displayed screen.
Bit Mask
Readable No
Writable Yes
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.