private void SwitchSegment(AssembledSegment unknownSegment)
{
currentSegment = unknownSegment;
emitter = unknownSegment.Emitter;
modRm = new ModRmBuilder(defaultWordSize, emitter);
}
public void ModRm16Memop()
{
MemoryOperand m;
PrimitiveType w = PrimitiveType.Word16;
ModRmBuilder mrm = new ModRmBuilder(w, null);
m = new MemoryOperand(w, Registers.bx, Registers.si, 1, Constant.Invalid);
Assert.AreEqual(0, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.bx, Registers.di, 1, Constant.Invalid);
Assert.AreEqual(1, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.bp, Registers.si, 1, Constant.Invalid);
Assert.AreEqual(2, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.bp, Registers.di, 1, Constant.Invalid);
Assert.AreEqual(3, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.si, Constant.Invalid);
Assert.AreEqual(4, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.di, Constant.Invalid);
Assert.AreEqual(5, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.bp, Constant.Invalid);
Assert.AreEqual(0x46, mrm.Get16AddressingModeMask(m));
m = new MemoryOperand(w, Registers.bx, Constant.Invalid);
Assert.AreEqual(7, mrm.Get16AddressingModeMask(m));
}
internal void SetDefaultWordWidth(PrimitiveType width)
{
SegmentDataWidth = width;
SegmentAddressWidth = width;
modRm = new ModRmBuilder(width, emitter);
modRm.Error += modRm_Error;
}
