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Internal Cycle: Difference between revisions
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An '''Internal Cycle''' is one in which a CPU is very busy; not accessing RAM, ROM, or doing I/O. | An '''Internal Cycle''' is one in which a CPU is very busy; not accessing RAM, ROM, or doing I/O. The [[CLI]] opcode's second cycle, for example, is an internal cycle, which takes 6 [[master cycles]].<sup>[3]</sup> | ||
=== See Also === | === See Also === | ||
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* [[65c816]] | * [[65c816]] | ||
* [[S-SMP]] | * [[S-SMP]] | ||
* [[Pipeline]] | |||
=== References === | === References === | ||
# https://problemkaputt.de/fullsnes.htm#snesapuspc700ioports | |||
# definition (for the Game Boy Advance CPU notwithstanding), https://developer.arm.com/documentation/ddi0210/c/Memory-Interface/Bus-cycle-types/Internal-cycles | |||
# https://forums.nesdev.org/viewtopic.php?p=256099&sid=baa27a1dbc6d0d86acd09298ae231b89#p256099 | |||
[[Category:SNES Hardware]] | [[Category:SNES Hardware]] | ||
[[Category:Timing]] | [[Category:Timing]] | ||
[[Category:Official Jargon]] | |||
Latest revision as of 17:52, 22 October 2024
An Internal Cycle is one in which a CPU is very busy; not accessing RAM, ROM, or doing I/O. The CLI opcode's second cycle, for example, is an internal cycle, which takes 6 master cycles.[3]
See Also
References
- https://problemkaputt.de/fullsnes.htm#snesapuspc700ioports
- definition (for the Game Boy Advance CPU notwithstanding), https://developer.arm.com/documentation/ddi0210/c/Memory-Interface/Bus-cycle-types/Internal-cycles
- https://forums.nesdev.org/viewtopic.php?p=256099&sid=baa27a1dbc6d0d86acd09298ae231b89#p256099