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LDY: Difference between revisions

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'''LDY''' (Load Y) is a 65x instruction that loads the [[Y index register]].
'''LDY''' (Load Y) is a 65x instruction that loads the [[Y index register]].
{| class="wikitable" style="float:right;clear:right;width:30%"
!colspan="8"|Basic Info
|+
|'''Addressing Mode'''
|'''Opcode'''
|'''Length'''
|'''Speed'''
|+
|immediate
|A0
|2 bytes
|2 cycles
|+
|absolute
|AC
|3 bytes
|4 cycles
|+
|direct page
|A4
|2 bytes
|3 cycles
|+
|absolute indexed X
|BC
|3 bytes
|4 cycles
|+
|direct page indexed X
|B4
|2 bytes
|4 cycles
|}
{| class="wikitable" style="float:right;clear:right;width:30%"
!colspan="9"|Flags Clobbered
|+
|N
|V
|M
|X
|D
|I
|Z
|C
|+
|
|.
|.
|.
|.
|
|.
|.
|}


=== See Also ===
=== See Also ===

Revision as of 17:56, 1 May 2023

LDY (Load Y) is a 65x instruction that loads the Y index register.

Basic Info
Addressing Mode Opcode Length Speed
immediate A0 2 bytes 2 cycles
absolute AC 3 bytes 4 cycles
direct page A4 2 bytes 3 cycles
absolute indexed X BC 3 bytes 4 cycles
direct page indexed X B4 2 bytes 4 cycles
Flags Clobbered
N V M X D I Z C
. . . . . .

See Also