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BEQ (Super FX): Difference between revisions
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'''BEQ''' (Branch equal) is a [[Super FX]] instruction that performs a conditional jump if the zero flag is set. | '''BEQ''' (Branch equal) is a [[Super FX]] instruction that performs a conditional jump if the zero flag is set. The instruction after BEQ is already in the pipeline and will run even if the branch occurs. | ||
No flags are affected. | No flags are affected. | ||
Latest revision as of 08:14, 14 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Program Counter Relative | 09?? | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
BEQ (Branch equal) is a Super FX instruction that performs a conditional jump if the zero flag is set. The instruction after BEQ is already in the pipeline and will run even if the branch occurs.
No flags are affected.
Syntax
BEQ e
Example
Let the zero flag be set. This instruction jumps the program ahead 5 bytes:
BEQ $+5h
See Also
External Links
- Official Nintendo documentation on BEQ: paragraph 9.16 on page 2-9-18 of Book II
- example: page 2-9-19, lbid.