19 lines
637 B
C
19 lines
637 B
C
#ifndef _IBM_CPU_H
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#define _IBM_CPU_H 1
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#define X86_FLAG_C (1L << 0) /* S Carry */
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#define X86_FLAG_P (1L << 2) /* S Parity */
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#define X86_FLAG_A (1L << 4) /* S Aux. carry */
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#define X86_FLAG_Z (1L << 6) /* S Zero */
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#define X86_FLAG_S (1L << 7) /* S Sign */
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#define X86_FLAG_T (1L << 8) /* X Trap */
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#define X86_FLAG_I (1L << 9) /* X Interrupt */
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#define X86_FLAG_D (1L << 10) /* C Direction */
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#define X86_FLAG_O (1L << 11) /* S Overflow */
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/* User flags are S (Status) and C (Control) flags. */
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#define X86_FLAGS_USER (X86_FLAG_C | X86_FLAG_P | X86_FLAG_A | X86_FLAG_Z | \
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X86_FLAG_S | X86_FLAG_D | X86_FLAG_O)
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#endif
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