Commodore 64 - Page 71

Operation:
c
Rotate Right
M or A
fc1-|7|6|S|4|3|2|
N ZC ID V
J JJ
----
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Accumulator
ROR
A
6A
1
2
Zero Page ROR aa
66
2 5
Zero Page, X ROR
aa,X
76
2 6
Absolute ROR
aaaa 6E 3
6
Absolute, X ROR
aaaa,X 7E
3
7
RTI
Return from Interrupt
Operation: Pf P Cf
N ZC I DV
From Stack
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Implied
RTI 40 1
6
RTS
Return from Subroutine
Operation: PCf, PC + 1 PC
N ZC I DV
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Implied RTS
60 1 6
69