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SUB (Super FX): Difference between revisions
From SnesLab
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'''SUB''' is a [[Super FX]] instruction that performs a subtraction between the [[source register]] and an operand. The difference is stored in the [[destination register]]. | '''SUB''' is a [[Super FX]] instruction that performs a subtraction between the [[source register]] and an operand. The difference is stored in the [[destination register]]. The subtrahend may be any register from R<sub>0</sub> to R<sub>15</sub> or any immediate value from 0 to 15. The source register is the minuend. | ||
=== See Also === | === See Also === | ||
Revision as of 20:26, 1 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 6n | 1 byte | 3 cycles | 3 cycles | 1 cycle | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | ||||||
SUB is a Super FX instruction that performs a subtraction between the source register and an operand. The difference is stored in the destination register. The subtrahend may be any register from R0 to R15 or any immediate value from 0 to 15. The source register is the minuend.
See Also
External Links
- Official Nintendo documentation on SUB: 9.86 on page 2-9-118 of Book II