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BBS (SPC700): Difference between revisions
From SnesLab
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'''BBS''' (Branch on Bit Set) is an [[SPC700]] that performs a branch when the [[direct page flag]] is set. | '''BBS''' (Branch on Bit Set) is an [[SPC700]] that performs a branch when the [[direct page flag]] is set. | ||
{| class="wikitable" style="float:right;clear:right;width: | {| class="wikitable" style="float:right;clear:right;width:40%" | ||
!colspan="8"|Basic Info | !colspan="8"|Basic Info | ||
|+ | |+ | ||
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|x3 | |x3 | ||
|3 bytes | |3 bytes | ||
|5 | |when condition false: 5 cycles | ||
when condition true: 7 cycles | |||
|} | |} | ||
Revision as of 03:07, 13 July 2023
BBS (Branch on Bit Set) is an SPC700 that performs a branch when the direct page flag is set.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| x3 | 3 bytes | when condition false: 5 cycles
when condition true: 7 cycles | |||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
See Also
References
- Appendix C-8 of Book I of the official Super Nintendo development manual