Modbus TCP client/server implementation in C# with DotNetty.
A port of modjn.
- 0x01: Read Coils
- 0x02: Read Discrete Inputs
- 0x03: Read Holding Registers
- 0x04: Read Input Registers
- 0x05: Write Single Coil
- 0x06: Write Single Register
- 0x0F: Write Multiple Coils
- 0x10: Write Multiple Registers
