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SEI
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| implied | 78 | 1 byte | 2 cycles | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | 1 | . | . | |
SEI (SEt Interrupt) is a 65c816 instruction that disables maskable interrupts.
See Also
External Links
- Eyes & Lichty page on SEI: https://archive.org/details/0893037893ProgrammingThe65816/page/n527
- Labiak page on SEI: https://archive.org/details/Programming_the_65816/page/n192
- MCS6500 Manual page on SEI: https://archive.org/details/mos_microcomputers_programming_manual/page/n41
- Carr page on SEI: https://archive.org/details/6502UsersManual/page/n286
- Leventhal page on SEI: https://archive.org/details/6502-assembly-language-programming/page/n144
- snes9x implementation of SEI: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434