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ROR (Super FX): Difference between revisions
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'''ROR''' (Rotate Right) is a [[Super FX]] instruction that rotates the [[source register]] and [[CY|carry flag]] one bit to the right into the [[destination register]]. Bit 0 of S<sub>reg</sub> is shifted into the carry flag. | '''ROR''' (Rotate Right) is a [[Super FX]] instruction that rotates the [[source register]] and [[CY|carry flag]] one bit to the right into the [[destination register]]. Bit 0 of S<sub>reg</sub> is shifted into the carry flag. | ||
The source and destination registers should be specified in advance using [[WITH]], [[FROM]], or [[TO]]. Otherwise, R<sub>0</sub> serves as the default. | |||
==== Syntax ==== | ==== Syntax ==== | ||
Revision as of 18:56, 9 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 1) | 97 | 1 byte | 3 cycles | 3 cycles | 1 cycle | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | |||||
ROR (Rotate Right) is a Super FX instruction that rotates the source register and carry flag one bit to the right into the destination register. Bit 0 of Sreg is shifted into the carry flag.
The source and destination registers should be specified in advance using WITH, FROM, or TO. Otherwise, R0 serves as the default.
Syntax
ROR
See Also
External Links
- Official Nintendo documentation on ROR: 9.76 on page 2-9-105 of Book II
- example: page 2-9-106, lbid.