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instr.h File Reference

#include "copyright.h"

Go to the source code of this file.

Defines
#define	rd(i)   (((i) >> 11) & 0x1f)
#define	rt(i)   (((i) >> 16) & 0x1f)
#define	rs(i)   (((i) >> 21) & 0x1f)
#define	shamt(i)   (((i) >> 6) & 0x1f)
#define	immed(i)   (((i) & 0x8000) ? (i)|(-0x8000) : (i)&0x7fff)
#define	off26(i)   (((i)&((1<<26)-1))<<2)
#define	top4(i)   (((i)&(~((1<<28)-1))))
#define	off16(i)   (immed(i)<<2)
#define	extend(i, hibitmask)   (((i)&(hibitmask)) ? ((i)|(-(hibitmask))) : (i))

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Define Documentation

#define extend (  i, hibitmask    )     (((i)&(hibitmask)) ? ((i)|(-(hibitmask))) : (i))

Definition at line 21 of file instr.h.

#define immed (  i    )     (((i) & 0x8000) ? (i)|(-0x8000) : (i)&0x7fff)

Definition at line 15 of file instr.h.

#define off16 (  i    )     (immed(i)<<2)

Definition at line 19 of file instr.h.

#define off26 (  i    )     (((i)&((1<<26)-1))<<2)

Definition at line 17 of file instr.h.

#define rd (  i    )     (((i) >> 11) & 0x1f)

Definition at line 11 of file instr.h.

#define rs (  i    )     (((i) >> 21) & 0x1f)

Definition at line 13 of file instr.h. Referenced by Machine::OneInstruction.

#define rt (  i    )     (((i) >> 16) & 0x1f)

Definition at line 12 of file instr.h. Referenced by Machine::OneInstruction.

#define shamt (  i    )     (((i) >> 6) & 0x1f)

Definition at line 14 of file instr.h.

#define top4 (  i    )     (((i)&(~((1<<28)-1))))

Definition at line 18 of file instr.h.

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