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35 lines
996 B
C#
35 lines
996 B
C#
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using System.Collections.Generic;
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using System.Reflection.Emit;
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namespace ARMeilleure.Decoders
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{
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class OpCodeT16IfThen : OpCodeT16
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{
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public Condition[] IfThenBlockConds { get; }
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public int IfThenBlockSize { get { return IfThenBlockConds.Length; } }
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeT16IfThen(inst, address, opCode);
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public OpCodeT16IfThen(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
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{
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List<Condition> conds = new();
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int cond = (opCode >> 4) & 0xf;
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int mask = opCode & 0xf;
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conds.Add((Condition)cond);
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while ((mask & 7) != 0)
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{
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int newLsb = (mask >> 3) & 1;
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cond = (cond & 0xe) | newLsb;
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mask <<= 1;
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conds.Add((Condition)cond);
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}
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IfThenBlockConds = conds.ToArray();
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}
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}
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}
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