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B Flag (Super FX): Difference between revisions
From SnesLab
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The '''B flag''' is on the [[Super FX]], and is set when [[WITH]] runs. | The '''B flag''' is on the [[Super FX]], and is set when [[WITH]] runs. | ||
Many instructions clear the B flag | 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 === | === See Also === | ||
Revision as of 22:27, 10 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