CodeBreakPoint.cs

public class CodeBreakPoint : BreakPoint
{
    public CodeBreakPoint(ushort segment, ushort offset)
    {
        Segment = segment;
        Offset = offset;
    }

    public ushort Segment;
    public ushort Offset;

    public override bool ShouldBreak(DebuggerCore debugger)
    {
        var cpu = debugger.CPU;
        return cpu.cs == Segment && cpu.ip == Offset;
    }
}