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Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédenteProchaine révisionLes deux révisions suivantes | ||
back2root:ibm-pc-ms-dos:hardware:flags [2023/01/05 23:32] – frater | back2root:ibm-pc-ms-dos:hardware:flags [2023/01/05 23:51] – frater | ||
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====== FLAGS - Intel 8086 Family Flags Register ====== | ====== FLAGS - Intel 8086 Family Flags Register ====== | ||
- | | | + | This register cannot be accessed |
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- | | 10 | DF Direction Flag| | + | |
- | | 11 | OF Overflow flag| | + | |
- | | 12 | IOPL I/O Privilege Level (286+ only)| | + | |
- | | 13 | NT Nested Task Flag (286+ only)| | + | |
- | | 14 | 0| | + | |
- | | 15 | RF Resume Flag (386+ only)| | + | |
- | | 16 | VM Virtual Mode Flag (386+ only)| | + | |
- | * see [[back2root: | + | ^ Bit ^ Flag ^ |
+ | | 0 | CF Carry Flag | | ||
+ | | 1 | 1 | | ||
+ | | 2 | PF Parity Flag | | ||
+ | | 3 | 0 | | ||
+ | | 4 | AF Auxiliary Flag | | ||
+ | | 5 | 0 | | ||
+ | | 6 | ZF Zero Flag | | ||
+ | | 7 | SF Sign Flag | | ||
+ | | 8 | TF Trap Flag (Single Step) | | ||
+ | | 9 | IF Interrupt Flag | | ||
+ | | 10 | ||
+ | | 11 | OF Overflow flag | | ||
+ | | 12 | IOPL I/O Privilege Level (286+ only) | | ||
+ | | 13 | NT Nested Task Flag (286+ only) | | ||
+ | | 14 | 0 | | ||
+ | | 15 | RF Resume Flag (386+ only) | | ||
+ | | 16 | VM Virtual Mode Flag (386+ only) | | ||
+ | |||
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