Commodore 64 - Page 69

ORA
OR Memory with Accumulator
Operation: A V M -» A
N Z C I DV
✓ J
------
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Immediate ORA
# d d
09
2
2
Zero Page
ORA
aa
05
2 3
Zero Page, X
ORA aa,X
15 2
4
Absolute
ORA
aaaa
0D
3
4
Absolute, X
ORA
aaaa,X
ID 3
4*
Absolute, Y
ORA aaaa,Y 19
3
4*
(Indirect, X)
ORA (aa,X)
01
2
6
(Indirect), Y
ORA (aa),Y 11
2
5*
*Add 1 on page crossing.
PHA
Push Accumulator on Stack
Operation: A i
N ZC I DV
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Implied PHA
48
1
3
RHP
Push Processor Status on Stack
Operation: Pi
N ZC I DV
Addressing
Mode
Assembly Language
Form
OP
CODE
No.
Bytes
No.
Cycles
Implied
PHP 08 1 3
67