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B Flag (Super FX): Difference between revisions
From SnesLab
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* [[HIB]] | * [[HIB]] | ||
* [[IBT]] Rn, #pp | * [[IBT]] Rn, #pp | ||
* [[GSU/INC|INC]] | * [[GSU/INC|INC]] R<sub>n</sub> | ||
* [[IWT]] Rn, #xx | * [[IWT]] Rn, #xx | ||
* [[GSU/JMP|JMP]] R<sub>n</sub> | * [[GSU/JMP|JMP]] R<sub>n</sub> | ||
| Line 43: | Line 43: | ||
* [[MOVE]] Rn, Rn' | * [[MOVE]] Rn, Rn' | ||
* [[MOVES]] Rn, Rn' | * [[MOVES]] Rn, Rn' | ||
* [[MULT]] | * [[MULT]] R<sub>n</sub> | ||
* [[MULT]] #n | * [[MULT]] #n | ||
* [[GSU/NOP|NOP]] | * [[GSU/NOP|NOP]] | ||
* [[NOT]] | * [[NOT]] | ||
* [[OR]] | * [[OR]] R<sub>n</sub> | ||
* [[OR]] #n | * [[OR]] #n | ||
* [[PLOT]] | * [[PLOT]] | ||
| Line 55: | Line 55: | ||
* [[GSU/ROR|ROR]] | * [[GSU/ROR|ROR]] | ||
* [[RPIX]] | * [[RPIX]] | ||
* [[GSU/SBC|SBC]] | * [[GSU/SBC|SBC]] R<sub>n</sub> | ||
* [[SBK]] | * [[SBK]] | ||
* [[SEX]] | * [[SEX]] | ||
* [[SM]] (xx), | * [[SM]] (xx), R<sub>n</sub> | ||
* [[SMS]] (yy), | * [[SMS]] (yy), R<sub>n</sub> | ||
* [[STB]] (Rm) | * [[STB]] (Rm) | ||
* [[STOP]] | * [[STOP]] | ||
* [[STW]] (Rm) | * [[STW]] (Rm) | ||
* [[SUB]] | * [[SUB]] R<sub>n</sub> | ||
* [[SUB]] #n | * [[SUB]] #n | ||
* [[SWAP]] | * [[SWAP]] | ||
Revision as of 07:01, 13 July 2024
The B flag is on the Super FX, and is set when WITH runs.
Many instructions clear the B flag, including:
- ADC Rn
- ADC #n
- ADD Rn
- ADD #n
- AND Rn
- AND #n
- ASR
- BIC Rn
- BIC #n
- CACHE
- CMODE
- CMP Rn
- COLOR
- DEC Rn
- DIV2
- FMULT
- GETB
- GETBH
- GETBL
- GETBS
- GETC
- HIB
- IBT Rn, #pp
- INC Rn
- IWT Rn, #xx
- JMP Rn
- LDB (Rm)
- LDW (Rm)
- LEA Rn, xx
- LINK #n
- LJMP Rn
- LM Rn, (xx)
- LMS Rn, (yy)
- LMULT
- LOB
- LOOP
- LSR
- MERGE
- MOVE Rn, Rn'
- MOVES Rn, Rn'
- MULT Rn
- MULT #n
- NOP
- NOT
- OR Rn
- OR #n
- PLOT
- RAMB
- ROL
- ROMB
- ROR
- RPIX
- SBC Rn
- SBK
- SEX
- SM (xx), Rn
- SMS (yy), Rn
- STB (Rm)
- STOP
- STW (Rm)
- SUB Rn
- SUB #n
- SWAP
- UMULT Rn
- and presumably UMULT #n too
See Also
Reference
- page 2-9-2 of Book II of the official Super Nintendo development manual