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BCC (Super FX): Difference between revisions
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|[[Sign Flag|S]] | |[[Sign Flag|S]] | ||
|[[CY]] | |[[CY]] | ||
|Z | |[[Zero Flag|Z]] | ||
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'''BCC''' (Branch on | '''BCC''' (Branch on Carry Clear) is a [[Super FX]] instruction that performs a conditional jump. The instruction after BCC is already in the pipeline and will run even if the branch occurs. | ||
If [[CY]] is set, BCC does not jump. | If [[CY]] is set, BCC does not jump. | ||
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<pre> | <pre> | ||
BCC e | BCC e | ||
</pre> | |||
==== Example ==== | |||
Let the carry flag be clear. This instruction jumps the program forward 5 bytes: | |||
<pre> | |||
BCC $+5h | |||
</pre> | </pre> | ||
Latest revision as of 08:11, 14 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Program Counter Relative | 0C?? | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
BCC (Branch on Carry Clear) is a Super FX instruction that performs a conditional jump. The instruction after BCC is already in the pipeline and will run even if the branch occurs.
If CY is set, BCC does not jump.
No flags are affected.
Syntax
BCC e
Example
Let the carry flag be clear. This instruction jumps the program forward 5 bytes:
BCC $+5h
See Also
External Links
- Official Nintendo documentation on BCC: 9.14 on Page 2-9-14 of Book II
- example: page 2-9-15, lbid.