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ORA: Difference between revisions

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(made basic info table shorter)
(clobbered -> affected)
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{| class="wikitable" style="float:right;clear:right;width:30%"
{| class="wikitable" style="float:right;clear:right;width:30%"
!colspan="8"|Flags Clobbered
!colspan="8"|Flags Affected
|+
|+
|N
|N

Revision as of 20:50, 19 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.

See Also

External Links