public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
return(new AlphaInstruction
{
Opcode = opcodes[(uInstr >> 14) & 0x3],
op1 = dasm.AluRegister(uInstr >> 21),
op2 = dasm.AluRegister(uInstr >> 16)
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
var op1 = dasm.FpuRegister(uInstr >> 21);
var op2 = dasm.FpuRegister(uInstr >> 16);
return(new AlphaInstruction
{
Opcode = this.opcode,
op1 = op1,
op2 = op2,
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
Opcode opcode;
if (!opcodes.TryGetValue(uInstr & 0x0000FFFF, out opcode))
{
return(dasm.Invalid());
}
return(new AlphaInstruction {
Opcode = opcode
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
return(new AlphaInstruction
{
Opcode = this.opcode,
op1 = dasm.FpuRegister(uInstr >> 21),
op2 = new MemoryOperand(
PrimitiveType.Word32, // Dummy value
dasm.AluRegister(uInstr >> 16).Register,
(short)uInstr)
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
var op1 = dasm.FpuRegister(uInstr >> 21);
var op2 = dasm.FpuRegister(uInstr >> 16);
var op3 = dasm.FpuRegister(uInstr);
return(new AlphaInstruction
{
Mnemonic = this.opcode,
InstructionClass = InstrClass.Linear,
Operands = new MachineOperand[] { op1, op2, op3 }
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
var functionCode = ((int)uInstr >> 5) & 0x7FF;
if (!decoders.TryGetValue(functionCode, out var decoder))
{
return(dasm.Nyi(uInstr, functionCode));
}
else
{
return(decoder.Decode(uInstr, dasm));
}
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
int offset = ((int)uInstr << 11) >> 9;
var op1 = dasm.FpuRegister(uInstr >> 21);
var op2 = AddressOperand.Create(dasm.rdr.Address + offset);
return(new AlphaInstruction
{
Mnemonic = this.opcode,
InstructionClass = InstrClass.ConditionalTransfer,
Operands = new MachineOperand[] { op1, op2 }
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
return(new AlphaInstruction
{
Mnemonic = opcodes[(uInstr >> 14) & 0x3],
InstructionClass = iclasses[(uInstr >> 14) & 0x3],
Operands = new MachineOperand[]
{
dasm.AluRegister(uInstr >> 21),
dasm.AluRegister(uInstr >> 16)
}
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
int offset = ((int)uInstr << 11) >> 9;
var op1 = dasm.FpuRegister(uInstr >> 21);
var op2 = AddressOperand.Create(dasm.rdr.Address + offset);
return(new AlphaInstruction
{
Opcode = this.opcode,
op1 = op1,
op2 = op2,
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
RegOpRec decoder;
var functionCode = ((int)uInstr >> 5) & 0x7F;
if (!decoders.TryGetValue(functionCode, out decoder))
{
return(dasm.Invalid());
}
else
{
return(decoder.Decode(uInstr, dasm));
}
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
var op1 = dasm.AluRegister(uInstr >> 21);
var op2 = (uInstr & (1 << 12)) != 0
? ImmediateOperand.Byte((byte)(uInstr >> 13))
: (MachineOperand)dasm.AluRegister(uInstr >> 13);
var op3 = dasm.AluRegister(uInstr);
return(new AlphaInstruction
{
Mnemonic = this.opcode,
InstructionClass = InstrClass.Linear,
Operands = new MachineOperand[] { op1, op2, op3 }
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
return(new AlphaInstruction
{
Mnemonic = this.opcode,
InstructionClass = InstrClass.Linear,
Operands = new MachineOperand[] {
dasm.AluRegister(uInstr >> 21),
new MemoryOperand(
PrimitiveType.Word32, // Dummy value
dasm.AluRegister(uInstr >> 16).Register,
(short)uInstr)
}
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
var op1 = dasm.AluRegister(uInstr >> 21);
var op2 = (uInstr & (1 << 12)) != 0
? ImmediateOperand.Byte((byte)(uInstr >> 13))
: (MachineOperand)dasm.AluRegister(uInstr >> 13);
var op3 = dasm.AluRegister(uInstr);
return(new AlphaInstruction
{
Opcode = this.opcode,
op1 = op1,
op2 = op2,
op3 = op3,
});
}
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
throw new NotImplementedException();
}
public abstract AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm);
public override AlphaInstruction Decode(uint uInstr, AlphaDisassembler dasm)
{
return(dasm.Invalid());
}
