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#ifndef _OPCODE_H_

#define _OPCODE_H_

// opcode.h: header file

/********************************************************************

//

// Module:

//   A collection of opcode related decodings and settings

//

// Authors:     Winnie Cheng<wwcheng@stanford.edu>,

//              Peter Wu<peter5@stanford.edu>

 *********************************************************************/

// specification in user program file

#define ROT_OPNAME      "rot"

#define MAG_OPNAME      "mgp"

#define SIN_OPNAME      "sin"

#define COS_OPNAME      "cos"

#define SINH_OPNAME     "sinh"

#define COSH_OPNAME     "cosh"

#define NOP_OPNAME      "nop"

// decode which function unit

#define UNIT_SEL_WIDTH  4       

#define I_NOP           (short)0

#define I_ROTATE        (short)1

#define I_MAGPHASE      (short)2

#define I_SINCOS        (short)8        // selects the SIN-COS unit     

#define I_SIN           (short)8        

#define I_COS           (short)9        

#define I_SINHCOSH      (short)10       // selects the SINH-COSH unit   

#define I_SINH          (short)10       

#define I_COSH          (short)11       

// differentiate operations within a pipeline stage

#define TYPE_NOP        0

#define TYPE_NONHYPER   1

#define TYPE_HYPER      2

#endif // _OPCODE_H_