encode.h

/*
 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