source: branches/minix3-book/include/ibm/cpu.h@ 4

Last change on this file since 4 was 4, checked in by Mattia Monga, 13 years ago

Importazione sorgenti libro

File size: 437 bytes
Line 
1#ifndef _IBM_CPU_H
2#define _IBM_CPU_H 1
3
4#define X86_FLAG_C (1L << 0) /* Carry */
5#define X86_FLAG_P (1L << 2) /* Parity */
6#define X86_FLAG_A (1L << 4) /* Aux. carry */
7#define X86_FLAG_Z (1L << 6) /* Zero */
8#define X86_FLAG_S (1L << 7) /* Sign */
9
10#define X86_FLAG_T (1L << 8) /* Trap */
11#define X86_FLAG_I (1L << 9) /* Interrupt */
12#define X86_FLAG_D (1L << 10) /* Direction */
13#define X86_FLAG_O (1L << 11) /* Overflow */
14
15#endif
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