public static bool RSa(ulong uInstr, zSeriesDisassembler dasm)
{
var r1 = Registers.GpRegisters[(uInstr >> 20) & 0xF];
var b2 = Registers.GpRegisters[(uInstr >> 12) & 0xF];
var d2 = (int)Bits.SignExtend(uInstr, 12);
dasm.state.ops.Add(new RegisterOperand(r1));
dasm.state.ops.Add(dasm.CreateAccess(b2, d2));
return(true);
}
public static bool FXa(ulong uInstr, zSeriesDisassembler dasm)
{
var f1 = new RegisterOperand(Registers.FpRegisters[(uInstr >> 20) & 0xF]);
var x2 = Registers.GpRegisters[(uInstr >> 16) & 0xF];
var b2 = Registers.GpRegisters[(uInstr >> 12) & 0xF];
var d2 = (int)Bits.SignExtend(uInstr, 12);
dasm.ops.Add(f1);
dasm.ops.Add(dasm.CreateAccess(b2, x2, d2));
return true;
}
private static bool RXYa(ulong uInstr, zSeriesDisassembler dasm)
{
var r1 = new RegisterOperand(Registers.GpRegisters[(uInstr >> 36) & 0xF]);
var x2 = Registers.GpRegisters[(uInstr >> 32) & 0xF];
var b2 = Registers.GpRegisters[(uInstr >> 28) & 0xF];
var d2 = Bitfield.ReadSignedFields(rxya_offset, (uint)uInstr);
dasm.ops.Add(r1);
dasm.ops.Add(dasm.CreateAccess(b2, x2, d2));
return true;
}
private static bool SI(ulong uInstr, zSeriesDisassembler dasm)
{
var i2 = ImmediateOperand.Byte((byte)(uInstr >> 16));
var b1 = Registers.GpRegisters[(uInstr >> 12) & 0xF];
var d1 = (int)Bits.SignExtend(uInstr, 12);
dasm.ops.Add(dasm.CreateAccess(b1, d1));
dasm.ops.Add(i2);
return(true);
}
private static bool RSYb(ulong uInstr, zSeriesDisassembler dasm)
{
var r1 = Registers.GpRegisters[(uInstr >> 36) & 0xF];
var m3 = (byte)((uInstr >> 32) & 0xF);
var b2 = Registers.GpRegisters[(uInstr >> 28) & 0xF];
var d2 = Bitfield.ReadSignedFields(rsya_offset, (uint)uInstr);
dasm.ops.Add(new RegisterOperand(r1));
dasm.ops.Add(ImmediateOperand.Byte(m3));
dasm.ops.Add(dasm.CreateAccess(b2, d2));
return true;
}
public static bool RSb(ulong uInstr, zSeriesDisassembler dasm)
{
var r1 = Registers.GpRegisters[(uInstr >> 20) & 0xF];
var m3 = ImmediateOperand.Byte((byte)((uInstr >> 16) & 0xF));
var b2 = Registers.GpRegisters[(uInstr >> 12) & 0xF];
var d2 = (int)Bits.SignExtend(uInstr, 12);
dasm.ops.Add(new RegisterOperand(r1));
dasm.ops.Add(dasm.CreateAccess(b2, d2));
dasm.ops.Add(m3);
return true;
}
public static bool SSf(ulong uInstr, zSeriesDisassembler dasm)
{
var l2 = (byte)(uInstr >> 32);
var b1 = Registers.GpRegisters[(uInstr >> 28) & 0xF];
var d1 = (int)Bits.SignExtend(uInstr >> 16, 12);
var b2 = Registers.GpRegisters[(uInstr >> 12) & 0xF];
var d2 = (int)Bits.SignExtend(uInstr, 12);
dasm.ops.Add(dasm.CreateAccess(b1, d1));
dasm.ops.Add(dasm.CreateAccessLength(b2, d2, l2 + 1));
return true;
}
private static bool RSYa(ulong uInstr, zSeriesDisassembler dasm)
{
var r1 = Registers.GpRegisters[(uInstr >> 36) & 0xF];
var r3 = Registers.GpRegisters[(uInstr >> 32) & 0xF];
var b2 = Registers.GpRegisters[(uInstr >> 28) & 0xF];
var d2 = Bitfield.ReadSignedFields(rsya_offset, (uint)uInstr);
dasm.state.ops.Add(new RegisterOperand(r1));
dasm.state.ops.Add(new RegisterOperand(r3));
dasm.state.ops.Add(dasm.CreateAccess(b2, d2));
return(true);
}
public static bool SSc(ulong uInstr, zSeriesDisassembler dasm)
{
var l = (byte)((uInstr >> 36) & 0xF);
var i3 = (byte)((uInstr >> 32) & 0xF);
var b1 = Registers.GpRegisters[(uInstr >> 28) & 0xF];
var d1 = (int)Bits.SignExtend(uInstr >> 16, 12);
var b2 = Registers.GpRegisters[(uInstr >> 12) & 0xF];
var d2 = (int)Bits.SignExtend(uInstr, 12);
dasm.ops.Add(dasm.CreateAccessLength(b1, d1, l + 1));
dasm.ops.Add(dasm.CreateAccess(b2, d2));
dasm.ops.Add(ImmediateOperand.Byte(i3));
return true;
}