We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
ROL (Super FX): Difference between revisions
From SnesLab
(blurb about specifying sreg/dreg in advance) |
|||
Line 38: | Line 38: | ||
'''ROL''' (Rotate Left) is a [[Super FX]] instruction that rotates the [[source register]] and [[CY|carry flag]] one bit to the left into the [[destination register]]. | '''ROL''' (Rotate Left) is a [[Super FX]] instruction that rotates the [[source register]] and [[CY|carry flag]] one bit to the left into the [[destination register]]. | ||
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 18:55, 9 July 2024
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
Implied (type 1) | 04 | 1 byte | 3 cycles | 3 cycles | 1 cycle |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
B | ALT1 | ALT2 | O/V | S | CY | Z | ||
0 | 0 | 0 | . |
ROL (Rotate Left) is a Super FX instruction that rotates the source register and carry flag one bit to the left into the destination register.
The source and destination registers should be specified in advance using WITH, FROM, or TO. Otherwise, R0 serves as the default.
Syntax
ROL
See Also
External Links
- Official Nintendo documentation on ROL: Page 2-9-102 of Book II
- example: page 2-9-103, lbid.