ROR: Difference between revisions

Revision as of 05:48, 2 May 2023

ROR (Rotate Right) is a 65x instruction that rotates a value and the carry flag right one bit. The least significant bit is shifted into the carry flag. The carry flag is shifted into the most significant bit.


Basic Info
Addressing Mode	Opcode	Length	Speed
accumulator	6A	1 byte	2 cycles
absolute	6E	3 bytes	6 cycles
direct page	66	2 bytes	5 cycles
absolute indexed by X	7E	3 bytes	7 cycles
direct page indexed by X	76	2 bytes	6 cycles


Flags Clobbered
N	V	M	X	D	I	Z	C
	.	.	.	.	.

@@ Line 1: / Line 1: @@
 '''ROR''' (Rotate Right) is a 65x instruction that rotates a value and the [[carry flag]] right one bit.  The least significant bit is shifted into the carry flag.  The carry flag is shifted into the most significant bit.
+{| class="wikitable" style="float:right;clear:right;width:30%"
+!colspan="8"|Basic Info
+|+
+|'''Addressing Mode'''
+|'''Opcode'''
+|'''Length'''
+|'''Speed'''
+|+
+|accumulator
+|6A
+|1 byte
+|2 cycles
+|+
+|absolute
+|6E
+|3 bytes
+|6 cycles
+|+
+|direct page
+|66
+|2 bytes
+|5 cycles
+|+
+|absolute indexed by X
+|7E
+|3 bytes
+|7 cycles
+|+
+|direct page indexed by X
+|76
+|2 bytes
+|6 cycles
+|}
 {| class="wikitable" style="float:right;clear:right;width:30%"

Revision as of 05:48, 2 May 2023

See Also