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BVS (Super FX): Difference between revisions

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!colspan="8"|Basic Info
!colspan="8"|Basic Info
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|'''Addressing Mode'''
|'''Opcode'''
|'''Opcode'''
|'''Length'''
|'''Length'''
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|'''Cache Speed'''
|'''Cache Speed'''
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|[[Program Counter Relative]]
|0F??
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|2 bytes
|2 bytes
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|[[Sign Flag|S]]
|[[Sign Flag|S]]
|[[CY]]
|[[CY]]
|Z
|[[Zero Flag|Z]]
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'''BVS''' (Branch Overflow Set) is a [[Super FX]] instruction that performs a branch when the overflow flag is set.
'''BVS''' (Branch Overflow Set) is a [[Super FX]] instruction that performs a branch when the overflow flag ([[O/V]]) is set.  The instruction following BVS is already in the pipeline and will run even if the branch occurs.
 
If the overflow flag is clear, control simply falls through and the branch does not happen.


No flags are affected.
No flags are affected.
==== Syntax ====
<pre>
BVS e
</pre>
==== Example ====
Let the O/V flag be set.  This instruction jumps the program backward 2 bytes:
<pre>
BVS $-2h
</pre>


=== See Also ===
=== See Also ===

Latest revision as of 08:04, 14 July 2024

Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
Program Counter Relative 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 (O/V) is set. The instruction following BVS is already in the pipeline and will run even if the branch occurs.

If the overflow flag is clear, control simply falls through and the branch does not happen.

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