We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
Sign Flag: Difference between revisions
From SnesLab
(linkify INC) |
(bit 11) |
||
| (2 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
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 19: | Line 19: | ||
* [[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>' | ||
| Line 30: | Line 30: | ||
* [[GSU/ROR|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.