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

STX: Difference between revisions

From SnesLab
Jump to: navigation, search
(snes9x implementation)
(added undisbeliever's opcode page link)
Line 59: Line 59:
* [[Leventhal]] page on STX: https://archive.org/details/6502-assembly-language-programming/page/n146
* [[Leventhal]] page on STX: https://archive.org/details/6502-assembly-language-programming/page/n146
* snes9x implementation of STX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1287
* snes9x implementation of STX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1287
* undisbeliever on STX: https://undisbeliever.net/snesdev/65816-opcodes.html#stx-store-index-register-x-to-memory


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

Revision as of 04:12, 18 May 2023

STX (Store X) is a 65x instruction that stores the value of the X index register.

Basic Info
Addressing Mode Opcode Length Speed
absolute 8E 3 bytes 4 cycles
direct page 86 2 bytes 3 cycles
direct page indexed Y 96 2 bytes 4 cycles
Flags Clobbered
N V M X D I Z C
. . . . . . . .

See Also

External Links