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SEI: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page 501, on SEI: https://archive.org/details/0893037893ProgrammingThe65816/page/ | * [[Eyes & Lichty]] page 501, on SEI: https://archive.org/details/0893037893ProgrammingThe65816/page/501 | ||
* [[Labiak]] page 182 on SEI: https://archive.org/details/Programming_the_65816/page/n192 | * [[Labiak]] page 182 on SEI: https://archive.org/details/Programming_the_65816/page/n192 | ||
* [[MCS6500 Manual]] page 26 on SEI: https://archive.org/details/mos_microcomputers_programming_manual/page/n41 | * [[MCS6500 Manual]] page 26 on SEI: https://archive.org/details/mos_microcomputers_programming_manual/page/n41 | ||
Revision as of 12:00, 15 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 2) | 78 | 1 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | 1 | . | . | |
SEI (SEt Interrupt) is a 65c816 instruction that disables maskable interrupts by setting the interrupt disable flag.
Syntax
SEI
See Also
External Links
- Eyes & Lichty page 501, on SEI: https://archive.org/details/0893037893ProgrammingThe65816/page/501
- Labiak page 182 on SEI: https://archive.org/details/Programming_the_65816/page/n192
- MCS6500 Manual page 26 on SEI: https://archive.org/details/mos_microcomputers_programming_manual/page/n41
- Carr page 273 on SEI: https://archive.org/details/6502UsersManual/page/n286
- Leventhal page 3-95 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