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EOR
From SnesLab
EOR is a 65x instruction that performs an exclusive or.
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 Clobbered | |||||||
---|---|---|---|---|---|---|---|
N | V | M | X | D | I | Z | C |
. | . | . | . | . | . |
See Also
External Links
- Eyes & Lichty page on EOR: https://archive.org/details/0893037893ProgrammingThe65816/page/n480
- Labiak page 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
- Carr page on EOR: https://archive.org/details/6502UsersManual/page/n272
- Leventhal page 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