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STX: Difference between revisions

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* [[MCS6500 Manual]] page on STX: https://archive.org/details/mos_microcomputers_programming_manual/page/n115
* [[MCS6500 Manual]] page on STX: https://archive.org/details/mos_microcomputers_programming_manual/page/n115
* [[Carr]] page on STX: https://archive.org/details/6502UsersManual/page/n287
* [[Carr]] page on STX: https://archive.org/details/6502UsersManual/page/n287
* [[Leventhal]] page on STX: https://archive.org/details/6502-assembly-language-programming/page/n146
* [[Leventhal]] page 3-97 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
* undisbeliever on STX: https://undisbeliever.net/snesdev/65816-opcodes.html#stx-store-index-register-x-to-memory

Revision as of 01:07, 5 December 2023

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 Affected
N V M X D I Z C
. . . . . . . .

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

Cycle Penalties

See Also

External Links