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Absolute Boolean Bit: Difference between revisions
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The bottom 13 bits of a 16-bit value specify an absolute address, while the top 3 bits specify which bit within the byte stored at that address. | The bottom 13 bits of a 16-bit value specify an absolute address, while the top 3 bits specify which bit within the byte stored at that address. The greatest address these instructions can affect is 1FFFh. | ||
=== See Also === | === See Also === | ||
Revision as of 07:16, 18 December 2023
13-bit Absolute Addressing is used on the SPC700 by some instructions to address individual bits:
The bottom 13 bits of a 16-bit value specify an absolute address, while the top 3 bits specify which bit within the byte stored at that address. The greatest address these instructions can affect is 1FFFh.
See Also
Reference
- page 3-8-8 of Book I of the official Super Nintendo development manual