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

CPX: Difference between revisions

From SnesLab
Jump to: navigation, search
(added E&L page)
(added Labiak page)
Line 52: Line 52:
=== External Links ===
=== External Links ===
* [[Eyes & Lichty]] page on CPX: https://archive.org/details/0893037893ProgrammingThe65816/page/n475
* [[Eyes & Lichty]] page on CPX: https://archive.org/details/0893037893ProgrammingThe65816/page/n475
* [[Labiak]] page on CPX: https://archive.org/details/Programming_the_65816/page/n146


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

Revision as of 03:00, 16 May 2023

CPX (Compare X) is a 65x instruction that compares the value of the X index register.

Basic Info
Addressing Mode Opcode Length Speed
immediate E0 2 bytes 2 cycles
absolute EC 3 bytes 4 cycles
direct page E4 2 bytes 3 cycles
Flags Clobbered
N V M X D I Z C
. . . . .

See Also

External Links