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Sign Flag: Difference between revisions

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(bit 11)
 
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The '''Sign Flag''' exists on the [[Super FX]].  It is affected by the following instructions:
The '''Sign Flag''' (S) exists on the [[Super FX]].  It is bit 11 of SFR.  It is affected by the following instructions:


* ADC R<sub>n</sub>
* [[ADC (Super FX)|ADC]] R<sub>n</sub>
* ADC #n
* [[ADC (Super FX)|ADC]] #n
* ADD R<sub>n</sub>
* [[ADD]] R<sub>n</sub>
* ADD #n
* [[ADD]] #n
* AND R<sub>n</sub>
* [[GSU/AND|AND]] R<sub>n</sub>
* AND #n
* [[GSU/AND|AND]] #n
* [[ASR]]
* [[ASR]]
* BIC R<sub>n</sub>
* [[BIC]] R<sub>n</sub>
* BIC #n
* [[BIC]] #n
* CMP R<sub>n</sub>
* [[GSU/CMP|CMP]] R<sub>n</sub>
* DEC R<sub>n</sub>
* [[GSU/DEC|DEC]] R<sub>n</sub>
* [[DIV2]]
* [[DIV2]]
* [[FMULT]]
* [[FMULT]]
* [[HIB]]
* [[HIB]]
* INC R<sub>n</sub>
* [[GSU/INC|INC]] R<sub>n</sub>
* [[LMULT]]
* [[LMULT]]
* [[LOB]]
* [[LOB]]
* [[LOOP]]
* [[LOOP]]
* [[LSR]]
* [[GSU/LSR|LSR]]
* [[MERGE]]
* [[MERGE]]
* MOVES R<sub>n</sub>, R<sub>n</sub>'
* [[MOVES]] R<sub>n</sub>, R<sub>n</sub>'
* MULT R<sub>n</sub>
* [[MULT]] R<sub>n</sub>
* MULT #n
* [[MULT]] #n
* [[NOT]]
* [[NOT]]
* OR R<sub>n</sub>
* [[OR]] R<sub>n</sub>
* OR #n
* [[OR]] #n
* [[ROL]]
* [[GSU/ROL|ROL]]
* [[ROR]]
* [[GSU/ROR|ROR]]
* [[RPIX]]
* [[RPIX]]
* SBC R<sub>n</sub>
* [[GSU/SBC|SBC]] R<sub>n</sub>
* [[SEX]]
* [[SEX]]
* SUB R<sub>n</sub>
* [[SUB]] R<sub>n</sub>
* SUB #n
* [[SUB]] #n
* [[SWAP]]
* [[SWAP]]
* UMULT R<sub>n</sub>
* [[UMULT]] R<sub>n</sub>
 
It affects the behavior of the following instructions:
* [[BGE]]
* [[BLT]]
* [[GSU/BMI|BMI]]
* [[GSU/BPL|BPL]]


=== See Also ===
=== See Also ===
* [[CY]]
* [[CY]]
* [[O/V]]
* [[BMI (Super FX)]]
* [[BMI (Super FX)]]
* [[BPL (Super FX)]]
* [[BPL (Super FX)]]
* [[Negative Flag]]


=== References ===
=== References ===
* 9.3 on [https://archive.org/details/SNESDevManual/book2/page/n158 page 2-9-2 of Book II] of the official Super Nintendo development manual
* 9.3 on [https://archive.org/details/SNESDevManual/book2/page/n158 page 2-9-2 of Book II] of the official Super Nintendo development manual
* [https://archive.org/details/SNESDevManual/book2/page/n110 page 2-4-4], lbid.
* Table 2-4-2 on [https://archive.org/details/SNESDevManual/book2/page/n110 page 2-4-4], lbid.


[[Category:SNES Hardware]]
[[Category:SNES Hardware]]
[[Category:Flags]]
[[Category:Flags]]

Latest revision as of 18:45, 14 July 2024

The Sign Flag (S) exists on the Super FX. It is bit 11 of SFR. It is affected by the following instructions:

It affects the behavior of the following instructions:

See Also

References