C64Lib.Core.IEC.OutATN C# (CSharp) Method

        public byte OutATN(byte abyte)
        {
            received_cmd = 0;
            sec_addr = 0;	// Command is sent with secondary address
            switch ((IECATNCode)(abyte & 0xf0))
            {
                case IECATNCode.ATN_LISTEN:
                    listening = true;
                    return listen(abyte & 0x0f);

                case IECATNCode.ATN_UNLISTEN:
                    listening = false;
                    return unlisten();

                case IECATNCode.ATN_TALK:
                    listening = false;
                    return talk(abyte & 0x0f);

                case IECATNCode.ATN_UNTALK:
                    listening = false;
                    return untalk();
            }

            return (byte)C64StatusCode.ST_TIMEOUT;
        }