#13代表回车#0代表什么

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NUL 0 00 Null @ 64 40
SOH 1 01 Start of Heading A 65 41
STX 2 02 Start of Text B 66 42
ETX 3 03 End of Text C 67 43
EOT 4 04 End of Transmission D 68 44
ENQ 5 05 Enquiry E 69 45
ACK 6 06 Acknowledge F 70 46
BEL 7 07 Bell G 71 47
BS 8 08 Backspace H 72 48
SH 9 09 Horisontal Tabulation I 73 49
LF 10 0A Line Fees J 74 4A
VT 11 0B Vertical Tabulation K 75 4B
FF 12 0C Form Feed L 76 4C
CR 13 0D Carriage Return M 77 4D
SO 14 0E Shift Out N 78 4E
SI 15 0F Shift In O 79 4F
DEL 16 10 Data Link Escape P 80 50
DC1 17 11 Device Control 1 Q 81 51
DC2 18 12 Device Control 2 R 82 52
DC3 19 13 Device Control 3 S 83 53
DC4 20 14 Device Control 4 T 84 54
NAK 21 15 Negative Acknowledge U 85 55
SYN 22 16 synchronous Idle V 86 56
ETB 23 17 End of Transmission Block W 87 57
CAN 24 18 Cancel X