We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
BPL (Super FX): Difference between revisions
From SnesLab
(Z) |
(note about delay slot) |
||
| Line 38: | Line 38: | ||
'''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. | '''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. | ||
The instruction after BPL is already in the pipeline and will run even if the branch occurs. | |||
No flags are affected. | No flags are affected. | ||
Revision as of 08:16, 14 July 2024
| 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.
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.