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BCS (Super FX): Difference between revisions
From SnesLab
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BCS e | BCS e | ||
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==== Example ==== | |||
Let the carry flag be set. This instruction jumps the program backward 1 byte: | |||
<pre> | |||
BCS $-1h | |||
</pre> | </pre> | ||
Revision as of 20:06, 10 July 2024
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
Program Counter Relative | 0D?? | 2 bytes | 6 cycles | 6 cycles | 2 cycles |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
B | ALT1 | ALT2 | O/V | S | CY | Z | ||
. | . | . | . | . | . | . |
BCS (Branch on carry set) is a Super FX instruction that performs a conditional jump.
If CY is clear, BCS does not jump.
No flags are affected.
Syntax
BCS e
Example
Let the carry flag be set. This instruction jumps the program backward 1 byte:
BCS $-1h
See Also
External Links
- Official Nintendo documentation on BCS: 9.15 on Page 2-9-16 of Book II
- example: page 2-9-17, lbid.