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BMI (Super FX)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Program Counter Relative | 0B?? | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
BMI (Branch Minus) is a Super FX instruction that performs a conditional jump if the sign flag is set. If the sign flag is clear, control simply falls through. The instruction after BMI is already in the pipeline and will run even if the branch occurs.
No flags are affected.
Syntax
BMI e
Example
Let the sign flag be set. This instruction jumps the program forward 5 bytes:
BMI $+5h
See Also
External Links
- Official Nintendo documentation on BMI: paragraph 9.21 on page 2-9-26 of Book II
- example: page 2-9-27, lbid.