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BPL (Super FX)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Program Counter Relative | 0A?? | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
BPL (Branch Plus) is a Super FX instruction that performs a conditional jump if the sign flag is clear. If the sign flag is set, nothing happens. Note that zero is considered positive.
The instruction after BPL is already in the pipeline and will run even if the branch occurs.
No flags are affected.
Syntax
BPL e
Example
Let the sign flag be clear. This instruction jumps the program forward 4 bytes:
BPL $+4h
See Also
External Links
- Official Nintendo documentation on BPL: paragraph 9.23 on page 2-9-30 of Book II
- example: page 2-9-31, lbid.