We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

LDY: Difference between revisions

From SnesLab
Jump to: navigation, search
(added Labiak page)
(added MCS6500 page)
Line 64: Line 64:
* [[Eyes & Lichty]] page on LDY: https://archive.org/details/0893037893ProgrammingThe65816/page/n489
* [[Eyes & Lichty]] page on LDY: https://archive.org/details/0893037893ProgrammingThe65816/page/n489
* [[Labiak]] page on LDY: https://archive.org/details/Programming_the_65816/page/n161
* [[Labiak]] page on LDY: https://archive.org/details/Programming_the_65816/page/n161
* [[MCS6500 Manual]] page on LDY: https://archive.org/details/mos_microcomputers_programming_manual/page/n114


[[Category:ASM]]
[[Category:ASM]]
[[Category:Group Three Instructions]]
[[Category:Group Three Instructions]]
[[Category:Inherited from 6502]]
[[Category:Inherited from 6502]]

Revision as of 03:53, 16 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

External Links