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Sign Flag: Difference between revisions
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The '''Sign Flag''' (S) 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 (Super FX)|ADC]] R<sub>n</sub> | * [[ADC (Super FX)|ADC]] R<sub>n</sub> | ||
| Line 5: | Line 5: | ||
* [[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>' | ||
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* [[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> | ||
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:
- ADC Rn
- ADC #n
- ADD Rn
- ADD #n
- AND Rn
- AND #n
- ASR
- BIC Rn
- BIC #n
- CMP Rn
- DEC Rn
- DIV2
- FMULT
- HIB
- INC Rn
- LMULT
- LOB
- LOOP
- LSR
- MERGE
- MOVES Rn, Rn'
- MULT Rn
- MULT #n
- NOT
- OR Rn
- OR #n
- ROL
- ROR
- RPIX
- SBC Rn
- SEX
- SUB Rn
- SUB #n
- SWAP
- UMULT Rn
It affects the behavior of the following instructions:
See Also
References
- 9.3 on page 2-9-2 of Book II of the official Super Nintendo development manual
- Table 2-4-2 on page 2-4-4, lbid.