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EOR: Difference between revisions

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* [[Labiak]] page 141 on EOR: https://archive.org/details/Programming_the_65816/page/n151
* [[Labiak]] page 141 on EOR: https://archive.org/details/Programming_the_65816/page/n151
* [[MCS6500 Manual]] page on EOR: https://archive.org/details/mos_microcomputers_programming_manual/page/n36
* [[MCS6500 Manual]] page on EOR: https://archive.org/details/mos_microcomputers_programming_manual/page/n36
* [[Carr]] page on EOR: https://archive.org/details/6502UsersManual/page/n272
* [[Carr]] page 259 on EOR: https://archive.org/details/6502UsersManual/page/n272
* [[Leventhal]] page 3-63 on EOR: https://archive.org/details/6502-assembly-language-programming/page/n112
* [[Leventhal]] page 3-63 on EOR: https://archive.org/details/6502-assembly-language-programming/page/n112
* snes9x implementation of EOR: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L533
* snes9x implementation of EOR: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L533

Revision as of 00:29, 5 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Immediate 49 2 bytes 2 cycles*
Absolute 4D 3 bytes 4 cycles*
Absolute Long 4F 4 bytes 5 cycles*
Direct Page 45 2 bytes 3 cycles*
Direct Page Indirect 52 2 bytes 5 cycles*
Direct Page Indirect Long 47 2 bytes 6 cycles*
absolute indexed by X 5D 3 bytes 4 cycles*
absolute long indexed by X 5F 4 bytes 5 cycles*
absolute indexed by Y 59 3 bytes 4 cycles*
direct page indexed by X 55 2 bytes 4 cycles*
direct page indexed indirect by X 41 2 bytes 6 cycles*
direct page indirect indexed by Y 51 2 bytes 5 cycles*
direct page indirect long indexed by Y 57 2 bytes 6 cycles*
Stack Relative 43 2 bytes 4 cycles*
stack relative indirect indexed by Y 53 2 bytes 7 cycles*
Flags Affected
N V M X D I Z C
. . . . . .

EOR is a 65x instruction that performs an exclusive or.

Cycle Penalties

See Also

External Links