501c3d5cea
* Implement MSR instruction Fix #1342. Now Pocket Rumble is playable. * Address gdkchan's comments * Address gdkchan's comments * Address gdkchan's comment
29 lines
909 B
C#
29 lines
909 B
C#
using ARMeilleure.State;
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namespace ARMeilleure.Decoders
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{
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class OpCode32MsrReg : OpCode32
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{
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public bool R { get; }
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public int Mask { get; }
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public int Rd { get; }
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public bool Banked { get; }
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public int Rn { get; }
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32MsrReg(inst, address, opCode);
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public OpCode32MsrReg(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
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{
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R = ((opCode >> 22) & 1) != 0;
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Mask = (opCode >> 16) & 0xf;
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Rd = (opCode >> 12) & 0xf;
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Banked = ((opCode >> 9) & 1) != 0;
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Rn = (opCode >> 0) & 0xf;
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if (Rn == RegisterAlias.Aarch32Pc || Mask == 0)
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{
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Instruction = InstDescriptor.Undefined;
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}
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}
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}
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}
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