mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
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165 lines
8.1 KiB
C#
165 lines
8.1 KiB
C#
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namespace UniLua
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{
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using System.Collections.Generic;
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public enum OpCode
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{
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/*----------------------------------------------------------------------
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name args description
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------------------------------------------------------------------------*/
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OP_MOVE,/* A B R(A) := R(B) */
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OP_LOADK,/* A Bx R(A) := Kst(Bx) */
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OP_LOADKX,/* A R(A) := Kst(extra arg) */
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OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) pc++ */
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OP_LOADNIL,/* A B R(A), R(A+1), ..., R(A+B) := nil */
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OP_GETUPVAL,/* A B R(A) := UpValue[B] */
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OP_GETTABUP,/* A B C R(A) := UpValue[B][RK(C)] */
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OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */
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OP_SETTABUP,/* A B C UpValue[A][RK(B)] := RK(C) */
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OP_SETUPVAL,/* A B UpValue[B] := R(A) */
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OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */
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OP_NEWTABLE,/* A B C R(A) := {} (size = B,C) */
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OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */
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OP_ADD,/* A B C R(A) := RK(B) + RK(C) */
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OP_SUB,/* A B C R(A) := RK(B) - RK(C) */
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OP_MUL,/* A B C R(A) := RK(B) * RK(C) */
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OP_DIV,/* A B C R(A) := RK(B) / RK(C) */
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OP_MOD,/* A B C R(A) := RK(B) % RK(C) */
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OP_POW,/* A B C R(A) := RK(B) ^ RK(C) */
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OP_UNM,/* A B R(A) := -R(B) */
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OP_NOT,/* A B R(A) := not R(B) */
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OP_LEN,/* A B R(A) := length of R(B) */
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OP_CONCAT,/* A B C R(A) := R(B).. ... ..R(C) */
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OP_JMP,/* A sBx pc+=sBx; if (A) close all upvalues >= R(A) + 1 */
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OP_EQ,/* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */
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OP_LT,/* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */
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OP_LE,/* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */
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OP_TEST,/* A C if not (R(A) <=> C) then pc++ */
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OP_TESTSET,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */
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OP_CALL,/* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */
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OP_TAILCALL,/* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */
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OP_RETURN,/* A B return R(A), ... ,R(A+B-2) (see note) */
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OP_FORLOOP,/* A sBx R(A)+=R(A+2);
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if R(A) <?= R(A+1) then { pc+=sBx; R(A+3)=R(A) }*/
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OP_FORPREP,/* A sBx R(A)-=R(A+2); pc+=sBx */
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OP_TFORCALL,/* A C R(A+3), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2)); */
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OP_TFORLOOP,/* A sBx if R(A+1) ~= nil then { R(A)=R(A+1); pc += sBx }*/
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OP_SETLIST,/* A B C R(A)[(C-1)*FPF+i] := R(A+i), 1 <= i <= B */
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OP_CLOSURE,/* A Bx R(A) := closure(KPROTO[Bx]) */
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OP_VARARG,/* A B R(A), R(A+1), ..., R(A+B-2) = vararg */
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OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
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}
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internal enum OpArgMask
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{
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OpArgN, /* argument is not used */
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OpArgU, /* argument is used */
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OpArgR, /* argument is a register or a jump offset */
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OpArgK /* argument is a constant or register/constant */
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}
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/// <summary>
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/// basic instruction format
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/// </summary>
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internal enum OpMode
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{
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iABC,
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iABx,
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iAsBx,
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iAx,
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}
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internal class OpCodeMode
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{
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public bool TMode;
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public bool AMode;
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public OpArgMask BMode;
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public OpArgMask CMode;
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public OpMode OpMode;
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public OpCodeMode(bool tMode, bool aMode, OpArgMask bMode, OpArgMask cMode, OpMode opMode)
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{
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TMode = tMode;
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AMode = aMode;
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BMode = bMode;
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CMode = cMode;
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OpMode = opMode;
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}
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}
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internal static class OpCodeInfo
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{
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public static OpCodeMode GetMode( OpCode op )
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{
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return Info[(int)op];
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}
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private static Dictionary<int, OpCodeMode> Info;
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static OpCodeInfo()
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{
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Info = new Dictionary<int, OpCodeMode>();
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var opCode = OpCode.OP_MOVE;
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var opCodeMode = new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iABC);
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Info.Add((int)opCode, opCodeMode);
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Info.Add( (int)OpCode.OP_LOADK, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgN, OpMode.iABx) );
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Info.Add( (int)OpCode.OP_LOADKX, new OpCodeMode(false, true, OpArgMask.OpArgN, OpArgMask.OpArgN, OpMode.iABx) );
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Info.Add( (int)OpCode.OP_LOADBOOL, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_LOADNIL, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_GETUPVAL, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_GETTABUP, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_GETTABLE, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_SETTABUP, new OpCodeMode(false, false, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_SETUPVAL, new OpCodeMode(false, false, OpArgMask.OpArgU, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_SETTABLE, new OpCodeMode(false, false, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_NEWTABLE, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_SELF, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_ADD, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_SUB, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_MUL, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_DIV, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_MOD, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_POW, new OpCodeMode(false, true, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_UNM, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_NOT, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_LEN, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_CONCAT, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgR, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_JMP, new OpCodeMode(false, false, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iAsBx) );
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Info.Add( (int)OpCode.OP_EQ, new OpCodeMode(true, false, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_LT, new OpCodeMode(true, false, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_LE, new OpCodeMode(true, false, OpArgMask.OpArgK, OpArgMask.OpArgK, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_TEST, new OpCodeMode(true, false, OpArgMask.OpArgN, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_TESTSET, new OpCodeMode(true, true, OpArgMask.OpArgR, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_CALL, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_TAILCALL, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_RETURN, new OpCodeMode(false, false, OpArgMask.OpArgU, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_FORLOOP, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iAsBx) );
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Info.Add( (int)OpCode.OP_FORPREP, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iAsBx) );
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Info.Add( (int)OpCode.OP_TFORCALL, new OpCodeMode(false, false, OpArgMask.OpArgN, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_TFORLOOP, new OpCodeMode(false, true, OpArgMask.OpArgR, OpArgMask.OpArgN, OpMode.iAsBx) );
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Info.Add( (int)OpCode.OP_SETLIST, new OpCodeMode(false, false, OpArgMask.OpArgU, OpArgMask.OpArgU, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_CLOSURE, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgN, OpMode.iABx) );
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Info.Add( (int)OpCode.OP_VARARG, new OpCodeMode(false, true, OpArgMask.OpArgU, OpArgMask.OpArgN, OpMode.iABC) );
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Info.Add( (int)OpCode.OP_EXTRAARG, new OpCodeMode(false, false, OpArgMask.OpArgU, OpArgMask.OpArgU, OpMode.iAx) );
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}
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}
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}
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