107 lines
1.7 KiB
C
107 lines
1.7 KiB
C
/*
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Copyright (c) 1992-1993 The Regents of the University of California.
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All rights reserved. See copyright.h for copyright notice and limitation
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of liability and disclaimer of warranty provisions.
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*/
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#include "copyright.h"
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/* normal opcodes */
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#define I_SPECIAL 000
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#define I_BCOND 001
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#define I_J 002
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#define I_JAL 003
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#define I_BEQ 004
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#define I_BNE 005
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#define I_BLEZ 006
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#define I_BGTZ 007
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#define I_ADDI 010
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#define I_ADDIU 011
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#define I_SLTI 012
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#define I_SLTIU 013
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#define I_ANDI 014
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#define I_ORI 015
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#define I_XORI 016
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#define I_LUI 017
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#define I_COP0 020
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#define I_COP1 021
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#define I_COP2 022
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#define I_COP3 023
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#define I_LB 040
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#define I_LH 041
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#define I_LWL 042
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#define I_LW 043
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#define I_LBU 044
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#define I_LHU 045
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#define I_LWR 046
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#define I_SB 050
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#define I_SH 051
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#define I_SWL 052
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#define I_SW 053
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#define I_SWR 056
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#define I_LWC0 060
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#define I_LWC1 061
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#define I_LWC2 062
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#define I_LWC3 063
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#define I_SWC0 070
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#define I_SWC1 071
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#define I_SWC2 072
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#define I_SWC3 073
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/* special opcodes */
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#define I_SLL 000
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#define I_SRL 002
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#define I_SRA 003
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#define I_SLLV 004
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#define I_SRLV 006
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#define I_SRAV 007
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#define I_JR 010
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#define I_JALR 011
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#define I_SYSCALL 014
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#define I_BREAK 015
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#define I_MFHI 020
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#define I_MTHI 021
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#define I_MFLO 022
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#define I_MTLO 023
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#define I_MULT 030
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#define I_MULTU 031
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#define I_DIV 032
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#define I_DIVU 033
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#define I_ADD 040
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#define I_ADDU 041
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#define I_SUB 042
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#define I_SUBU 043
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#define I_AND 044
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#define I_OR 045
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#define I_XOR 046
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#define I_NOR 047
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#define I_SLT 052
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#define I_SLTU 053
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/* bcond opcodes */
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#define I_BLTZ 000
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#define I_BGEZ 001
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#define I_BLTZAL 020
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#define I_BGEZAL 021
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/* whole instructions */
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#define I_NOP 000
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