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CLI: Difference between revisions
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'''CLI''' is a 65x instruction that clears the [[interrupt disable flag]], which enables maskable interrupts. | '''CLI''' is a 65x instruction that clears the [[interrupt disable flag]], which enables maskable interrupts. To handle nested interrupts, a CLI is required. | ||
==== Syntax ==== | ==== Syntax ==== | ||
Revision as of 09:11, 24 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 2) | 58 | 1 byte | 2 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | 0 | . | . | |
CLI is a 65x instruction that clears the interrupt disable flag, which enables maskable interrupts. To handle nested interrupts, a CLI is required.
Syntax
CLI
See Also
External Links
- Eyes & Lichty page 443, on CLI: https://archive.org/details/0893037893ProgrammingThe65816/page/443
- Labiak page 132 on CLI: https://archive.org/details/Programming_the_65816/page/n142
- MCS6500 Manual page 26 on CLI: https://archive.org/details/mos_microcomputers_programming_manual/page/n41
- Carr page 254 on CLI: https://archive.org/details/6502UsersManual/page/n267
- Leventhal page 3-54 on CLI: https://archive.org/details/6502-assembly-language-programming/page/n103
- snes9x implementation of CLI: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1434