Combined FIN + RSV1 + RSV2 + RSV3 + OpCode byte. <p> <pre> 1000_0000 (0x80) = fin 0100_0000 (0x40) = rsv1 0010_0000 (0x20) = rsv2 0001_0000 (0x10) = rsv3 0000_1111 (0x0F) = opcode </pre>
See Implementation
Combined FIN + RSV1 + RSV2 + RSV3 + OpCode byte. <p> <pre> 1000_0000 (0x80) = fin 0100_0000 (0x40) = rsv1 0010_0000 (0x20) = rsv2 0001_0000 (0x10) = rsv3 0000_1111 (0x0F) = opcode </pre>