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BVS (Super FX): Difference between revisions
From SnesLab
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BVS e | BVS e | ||
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==== Example ==== | |||
Let the O/V flag be set. This instruction jumps the program backward 2 bytes: | |||
<pre> | |||
BVS $-2h | |||
</pre> | </pre> | ||
Revision as of 20:35, 10 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| 0F?? | 2 bytes | 6 cycles | 6 cycles | 2 cycles | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
BVS (Branch Overflow Set) is a Super FX instruction that performs a branch when the overflow flag is set.
No flags are affected.
Syntax
BVS e
Example
Let the O/V flag be set. This instruction jumps the program backward 2 bytes:
BVS $-2h
See Also
External Links
- Official Nintendo documentation on BVS: 9.26 on Page 2-9-36 of Book II
- example: Page 2-9-37 of Book II, lbid.