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BPL (SPC700)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Program Counter Relative | 10 | 2 bytes | when condition is false: 2 cycles
when condition is true: 4 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
BPL (Branch Plus) is an SPC700 instruction that performs a branch when the negative flag is clear. Note that zero is considered positive.
No flags are affected.
Syntax
BPL rel
Where rel is a two's complement offset.
See Also
References
- Table C-15, Appendix C-8 of Book I of the official Super Nintendo development manual
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L363