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encode.h

Go to the documentation of this file.

/*
 Copyright (c) 1992-1993 The Regents of the University of California.
 All rights reserved.  See copyright.h for copyright notice and limitation 
 of liability and disclaimer of warranty provisions.
 */

#include "copyright.h"


/* normal opcodes */

#define I_SPECIAL       000
#define I_BCOND         001
#define I_J             002
#define I_JAL           003
#define I_BEQ           004
#define I_BNE           005
#define I_BLEZ          006
#define I_BGTZ          007
#define I_ADDI          010
#define I_ADDIU         011
#define I_SLTI          012
#define I_SLTIU         013
#define I_ANDI          014
#define I_ORI           015
#define I_XORI          016
#define I_LUI           017
#define I_COP0          020
#define I_COP1          021
#define I_COP2          022
#define I_COP3          023

#define I_LB            040
#define I_LH            041
#define I_LWL           042
#define I_LW            043
#define I_LBU           044
#define I_LHU           045
#define I_LWR           046

#define I_SB            050
#define I_SH            051
#define I_SWL           052
#define I_SW            053

#define I_SWR           056

#define I_LWC0          060
#define I_LWC1          061
#define I_LWC2          062
#define I_LWC3          063

#define I_SWC0          070
#define I_SWC1          071
#define I_SWC2          072
#define I_SWC3          073

/* special opcodes */

#define I_SLL           000

#define I_SRL           002
#define I_SRA           003
#define I_SLLV          004

#define I_SRLV          006
#define I_SRAV          007
#define I_JR            010
#define I_JALR          011

#define I_SYSCALL       014
#define I_BREAK         015

#define I_MFHI          020
#define I_MTHI          021
#define I_MFLO          022
#define I_MTLO          023

#define I_MULT          030
#define I_MULTU         031
#define I_DIV           032
#define I_DIVU          033

#define I_ADD           040
#define I_ADDU          041
#define I_SUB           042
#define I_SUBU          043
#define I_AND           044
#define I_OR            045
#define I_XOR           046
#define I_NOR           047

#define I_SLT           052
#define I_SLTU          053

/* bcond opcodes */


#define I_BLTZ          000
#define I_BGEZ          001

#define I_BLTZAL        020
#define I_BGEZAL        021

/* whole instructions */

#define I_NOP           000

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