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BPL (Super FX): Difference between revisions
From SnesLab
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BPL e | BPL e | ||
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==== Example ==== | |||
Let the sign flag be clear. This instruction jumps the program forward 4 bytes: | |||
<pre> | |||
BPL $+4h | |||
</pre> | </pre> | ||
Revision as of 20:26, 10 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| 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.
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.