The interrup enable flag (IF) defines whether processor will or will not react to incoming interrupts. This flag is only accessible in real mode or at the Ring 0 protection level in other modes.
- Preface
- Intel Architecture
- Setting Up a Development Environment
- Intel Instruction Set Architecture (ISA)
- Memory Addressing Modes
- Parallel Data Processing
- Macro Instructions
- Data Structures
- Mixing Modules Written in Assembly and Those Written in High-Level Languages
- Operating System Interface
- Patching Legacy Code
- Oh, Almost Forgot
Bit #9 - interrupt enable flag
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