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T16: Implement LDR/STR (SP)
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2 changed files with 28 additions and 0 deletions
26
ARMeilleure/Decoders/OpCodeT16MemSp.cs
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26
ARMeilleure/Decoders/OpCodeT16MemSp.cs
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@ -0,0 +1,26 @@
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namespace ARMeilleure.Decoders
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{
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class OpCodeT16MemSp : OpCodeT16, IOpCode32Mem
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{
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public int Rt { get; }
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public int Rn => 13;
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public bool WBack => false;
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public bool IsLoad { get; }
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public bool Index => true;
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public bool Add => true;
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public int Immediate { get; }
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode, bool inITBlock) => new OpCodeT16MemSp(inst, address, opCode, inITBlock);
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public OpCodeT16MemSp(InstDescriptor inst, ulong address, int opCode, bool inITBlock) : base(inst, address, opCode, inITBlock)
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{
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Rt = (opCode >> 8) & 7;
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IsLoad = ((opCode >> 11) & 1) != 0;
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Immediate = ((opCode >> 0) & 0xff) << 2;
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}
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}
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}
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@ -1019,6 +1019,8 @@ namespace ARMeilleure.Decoders
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SetT16("01111xxxxxxxxxxx", InstName.Ldrb, InstEmit32.Ldrb, OpCodeT16MemImm5.Create);
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SetT16("01111xxxxxxxxxxx", InstName.Ldrb, InstEmit32.Ldrb, OpCodeT16MemImm5.Create);
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SetT16("10000xxxxxxxxxxx", InstName.Strh, InstEmit32.Strh, OpCodeT16MemImm5.Create);
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SetT16("10000xxxxxxxxxxx", InstName.Strh, InstEmit32.Strh, OpCodeT16MemImm5.Create);
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SetT16("10001xxxxxxxxxxx", InstName.Ldrh, InstEmit32.Ldrh, OpCodeT16MemImm5.Create);
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SetT16("10001xxxxxxxxxxx", InstName.Ldrh, InstEmit32.Ldrh, OpCodeT16MemImm5.Create);
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SetT16("10010xxxxxxxxxxx", InstName.Str, InstEmit32.Str, OpCodeT16MemSp.Create);
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SetT16("10011xxxxxxxxxxx", InstName.Ldr, InstEmit32.Ldr, OpCodeT16MemSp.Create);
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#endregion
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#endregion
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FillFastLookupTable(InstA32FastLookup, AllInstA32, ToFastLookupIndexA);
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FillFastLookupTable(InstA32FastLookup, AllInstA32, ToFastLookupIndexA);
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