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Cache Base Register
From SnesLab
(Redirected from cache base register)
The Cache Base Register (CBR) exists on the Super FX. It is located at 303fh. It is 12 bits in size. (The remaining low 4 bits of 303eh return zero when read).
It is updated whenever CACHE or LJMP run.
Reference
- subparagraph 2.2.2.4 on page 2-2-4 of Book II of the official Super Nintendo development manual