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BPL (Super FX): Difference between revisions

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|'''Cache Speed'''
|'''Cache Speed'''
|+
|+
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|[[Program Counter Relative]]
|0A??
|0A??
|2 bytes
|2 bytes
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|[[Sign Flag|S]]
|[[Sign Flag|S]]
|[[CY]]
|[[CY]]
|Z
|[[Zero Flag|Z]]
|+
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'''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.  Note that zero is considered positive.
 
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.
Line 44: Line 46:
<pre>
<pre>
BPL e
BPL e
</pre>
==== Example ====
Let the sign flag be clear.  This instruction jumps the program forward 4 bytes:
<pre>
BPL $+4h
</pre>
</pre>


Latest revision as of 08:17, 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. Note that zero is considered positive.

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

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