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ORA: Difference between revisions

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(Cycle Penalties header)
(linkify flags)
Line 86: Line 86:
!colspan="8"|Flags Affected
!colspan="8"|Flags Affected
|+
|+
|N
|[[Negative Flag|N]]
|V
|[[Overflow Flag|V]]
|M
|[[M Flag|M]]
|X
|[[X Flag|X]]
|D
|[[Decimal Flag|D]]
|I
|[[I Flag|I]]
|Z
|[[Zero Flag|Z]]
|C
|[[Carry Flag|C]]
|+
|+
|
|

Revision as of 04:08, 27 November 2023

Basic Info
Addressing Mode Opcode Length Speed
Immediate 09 2 bytes 2 cycles*
Absolute 0D 3 bytes 4 cycles*
Absolute Long 0F 4 bytes 5 cycles*
Direct Page 05 2 bytes 3 cycles*
Direct Page Indirect 12 2 bytes 5 cycles*
Direct Page Indirect Long 07 2 bytes 6 cycles*
absolute indexed by X 1D 3 bytes 4 cycles*
absolute long indexed by X 1F 4 bytes 5 cycles*
absolute indexed by Y 19 3 bytes 4 cycles*
direct page indexed by X 15 2 bytes 4 cycles*
direct page indexed indirect by X 01 2 bytes 6 cycles*
direct page indirect indexed by Y 11 2 bytes 5 cycles*
direct page indirect long indexed by Y 17 2 bytes 6 cycles*
Stack Relative 03 2 bytes 4 cycles*
stack relative indirect indexed by Y 13 2 bytes 7 cycles*
Flags Affected
N V M X D I Z C
. . . . . .

ORA is a 65x instruction that performs a logical OR.

Cycle Penalties

See Also

External Links