Commodore 64 Handbook page 71

Operation:
c
Rotate Right
M or A
f c 1 - | 7 | 6 | S | 4 | 3 | 2 |
N Z C I D V
J J J
----
Addressing
Mode
Assem bly Language
Form
OP
CO DE
No.
Bytes
No.
Cycles
A ccu m u lato r
R O R
A 6 A 1 2
Z ero Page R O R aa
66
2 5
Z ero Page, X ROR
aa,X
76
2 6
A b so lu te RO R aaaa 6E 3
6
A b so lu te , X R O R
aaa a,X 7 E
3
7
RTI
Return from Interrupt
O p e ra tio n : P f P C f
N Z C I D V
From Stack
Addressing
Mode
Assem bly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Im plied
RTI 40 1
6
RTS
Return from Subroutine
Operation: PCf, PC + 1 PC
N Z C I D V
Addressing
Mode
Assem bly Language
Form
OP
C O D E
No.
Bytes
No.
Cycles
Implied RTS
60 1 6
69