User's Manual

Cross-Reference TablesAppendix
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6820 Series 80-Column Printer User’s Manual
Single Character Control Code Definitions
This table contains control codes between 00h and 7Fh, and provides defi-
nitions for the A SCII symbols as used in the table on the next page and in
format definitions in Chapter 2, “Control Code Definitions.”
Dec Hex ASCII Description Page
0 00 NUL Used as a terminator for several escape sequences.
1 01 SOH
2 02 STX
3 03 ETX
4 04 EOT
5 05 ENQ
6 06 ACK
7 07 BEL Beeper: sounds buzzer for 1/10 of a second. 65
8 08 BS Backspace: moves print head one space to left. 64
9 09 HT Horizontal Tab: moves print head to next tab stop. 78
10 0A LF Line Feed: moves paper to next line. 66
11 0B VT Vertical Tab: moves paper to next vertical tab stop 79
12 0C FF Form Feed: advances paper to top of next page. 65
13 0D CR Carriage Return: moves print head to left margin. 65
14 0E SO Shift Out: selects Double-wide Mode (one-line-only) 73
15 0F SI Shift In: selects Condensed (compressed) mode 72
16 10 DLE
17 11 DC1 Device Control 1: sets printer online (not currently used)
18 12 DC2 Device Control 2: cancels condensed mode (compressed) 73
19 13 DC3 Device Control 3: sets p rinter offline (not currently used)
20 14 DC4 Device Control 4: cancels double-wide mode (online only) 74
21 15 NAK
22 16 SYN
23 17 ETB
24 18 CAN Cancel Line: clears all characters out of print buffer. 65
25 19 EM
26 1A SUB
27 1B ESC Escape: defines start of escape sequence.
28 1C FS
29 1D GS
30 1E RS
31 1F US
32 20 SP Space Character
127 7F DEL Delete: deletes last character in print buffer. 65