This register cannot be accessed (read/write) directly.
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 | 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) |