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B Flag (Super FX): Difference between revisions
From SnesLab
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* [[CACHE]] | * [[CACHE]] | ||
* [[CMODE]] | * [[CMODE]] | ||
* CMP R<sub>n</sub> | * [[GSU/CMP|CMP]] R<sub>n</sub> | ||
* [[COLOR]] | * [[COLOR]] | ||
* DEC R<sub>n</sub> | * [[GSU/DEC|DEC]] R<sub>n</sub> | ||
* [[DIV2]] | * [[DIV2]] | ||
* [[FMULT]] | * [[FMULT]] | ||
| Line 26: | Line 26: | ||
* [[HIB]] | * [[HIB]] | ||
* [[IBT]] Rn, #pp | * [[IBT]] Rn, #pp | ||
* INC Rn | * [[GSU/INC|INC]] Rn | ||
* [[IWT]] Rn, #xx | * [[IWT]] Rn, #xx | ||
* JMP R<sub>n</sub> | * [[GSU/JMP|JMP]] R<sub>n</sub> | ||
* [[LDB]] (Rm) | * [[LDB]] (Rm) | ||
* [[LDW]] (Rm) | * [[LDW]] (Rm) | ||
| Line 34: | Line 34: | ||
* [[LINK]] #n | * [[LINK]] #n | ||
* [[LJMP]] R<sub>n</sub> | * [[LJMP]] R<sub>n</sub> | ||
* LM Rn, (xx) | * [[LM]] Rn, (xx) | ||
* [[LMS]] Rn, (yy) | * [[LMS]] Rn, (yy) | ||
* [[LMULT]] | * [[LMULT]] | ||
Revision as of 06:58, 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
- GSU/ROL
- ROMB
- GSU/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