public void div()
{
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Ldarg_0);
MipsMethodEmiter.LoadGPR_Signed(RS);
MipsMethodEmiter.LoadGPR_Signed(RT);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Call, typeof(CpuEmiter).GetMethod("_div_impl"));
}
/////////////////////////////////////////////////////////////////////////////////////////////////
// MULTiply (Unsigned).
/////////////////////////////////////////////////////////////////////////////////////////////////
public void _mult_common_op(OpCode ConvOp)
{
MipsMethodEmiter.LoadGPR_Signed(RS);
MipsMethodEmiter.ILGenerator.Emit(ConvOp);
MipsMethodEmiter.LoadGPR_Signed(RT);
MipsMethodEmiter.ILGenerator.Emit(ConvOp);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Mul);
}
public void mtc1()
{
MipsMethodEmiter.SaveFPR(FS, () =>
{
MipsMethodEmiter.LoadGPR_Signed(RT);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Call, typeof(MathFloat).GetMethod("ReinterpretIntAsFloat"));
});
}
private void __branch_pre_v0(bool Link, params OpCode[] OpCodeList)
{
MipsMethodEmiter.StoreBranchFlag(() =>
{
MipsMethodEmiter.LoadGPR_Signed(RS);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Ldc_I4_0);
foreach (var OpCode in OpCodeList)
{
MipsMethodEmiter.ILGenerator.Emit(OpCode);
}
});
}
private void _branch_pre_vv(params OpCode[] OpCodeList)
{
MipsMethodEmiter.StoreBranchFlag(() =>
{
MipsMethodEmiter.LoadGPR_Signed(RS);
MipsMethodEmiter.LoadGPR_Signed(RT);
foreach (var OpCode in OpCodeList)
{
MipsMethodEmiter.ILGenerator.Emit(OpCode);
}
});
}
/// <summary>
/// ID("mtv", VM("010010:00:111:rt:0:0000000:0:vd"), "%t, %zs", ADDR_TYPE_NONE, INSTR_TYPE_PSP),
/// </summary>
public void mtv()
{
/*
* Console.Error.WriteLine("MTV:{0}", Instruction.VD);
* _VfpuLoadVectorWithIndexPointer(Instruction.VD, 0, 1);
* MipsMethodEmiter.LoadGPR_Signed(Instruction.RT);
* MipsMethodEmiter.CallMethod(typeof(MathFloat), "ReinterpretIntAsFloat");
* MipsMethodEmiter.ILGenerator.Emit(OpCodes.Stind_R4);
*/
VectorOperationSaveVd(1, (Index, Load) =>
{
MipsMethodEmiter.LoadGPR_Signed(RT);
MipsMethodEmiter.CallMethod(typeof(MathFloat), "ReinterpretIntAsFloat");
});
}
// Load/Store Vfpu (Left/Right)_
public void lv_s()
{
uint vt = Instruction.VT5 | (Instruction.VT2 << 5);
uint s = (vt >> 5) & 3;
uint m = (vt >> 2) & 7;
uint i = (vt >> 0) & 3;
uint offset = Instruction.IMM14 * 4;
MipsMethodEmiter._getmemptr(() =>
{
MipsMethodEmiter.LoadGPR_Signed(RS);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Ldc_I4, offset);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Add);
});
//MipsMethodEmiter.LoadVFPR(m * 16 + s * 4 + i);
//VfpuLoad_Register(
//setVprInt(m, i, s, memory.read32(gpr[rs] + simm14_a16));
throw (new NotImplementedException("lv_s"));
}
/////////////////////////////////////////////////////////////////////////////////////////////////
// MAXimum/MINimum.
/////////////////////////////////////////////////////////////////////////////////////////////////
private void _max_min(OpCode BranchOpCode)
{
var LabelIf = MipsMethodEmiter.ILGenerator.DefineLabel();
var LabelElse = MipsMethodEmiter.ILGenerator.DefineLabel();
var LabelEnd = MipsMethodEmiter.ILGenerator.DefineLabel();
MipsMethodEmiter.LoadGPR_Signed(RS);
MipsMethodEmiter.LoadGPR_Signed(RT);
MipsMethodEmiter.ILGenerator.Emit(BranchOpCode, LabelElse);
// IF
MipsMethodEmiter.ILGenerator.MarkLabel(LabelIf);
MipsMethodEmiter.SET_REG(RD, RS);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Br, LabelEnd);
// ELSE
MipsMethodEmiter.ILGenerator.MarkLabel(LabelElse);
MipsMethodEmiter.SET_REG(RD, RT);
MipsMethodEmiter.ILGenerator.Emit(OpCodes.Br, LabelEnd);
// END
MipsMethodEmiter.ILGenerator.MarkLabel(LabelEnd);
}
