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Sebastian Valle edited this page Feb 17, 2015
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Citra's current CPU core is an ARM interpreter called "dyncom", which was originally taken from a project called SkyEye, and then modified to support the ARMv6 instruction set that the 3DS uses.
Dyncom originally supported ARM7 (ARMv5) and partial ARMv6 only. We added in the remaining ARMv6 media instructions and other fixes ourselves to get 3DS emulation as far as it is.
There are plans to implement a dynamic recompiler that will fallback into dyncom for unimplemented instructions, but no work has been started on that yet.