B. Control code summary (IBM)
ITEM | SYMBOL | Hexadecimal Decimal | FUNCTION | ||
[21] | ESC 4 | [1B,34] H | [27,52] D | Sets the | |
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[22] | ESC 5 n | [1B,35,n] H | [27,53,n] D | Sets/cancels auto linefeed with CR | |
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| n=0: Carriage return without linefeed. | |
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| n=1: Carriage return with linefeed. | |
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[23] | ESC 6 | [1B,36] H | [27,54] D | Selects IBM character set 2. | |
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[24] | ESC 7 | [1B,37] H | [27,55] D | Selects IBM character set 1. | |
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[25] | ESC : | [1B,3A] H | [27,58] D | Sets elite (12cpi) mode. | |
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[26] | ESC = n1 n2 | [1B,3D,n1,n2,23,lo,hi] H | Defines download character. | ||
| id lo hi data | [27,61,n1,n2,35,lo,hi] D | When n1=n2=0, the download area is cleared. | ||
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| The number of data bytes following n2 is defined as | |
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| n1+n2⋅ 256 (including three bytes of id, lo, hi ). | |
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| id is always 23h. | |
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| lo and hi compose | |
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| downloading character is to be stored and the follow- | |
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| ing data are stored in the successive addresses. | |
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[27] | ESC A n | [1B,41,n] H | [27,65,n] D | Sets line spacing to n/72" (1≤ n≤ 255) | |
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| or to n/60" (1≤ n≤ 255) in AGM mode. | |
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[28] | ESC B n1 n2... | [1B,42,n1,n2,...n64,00] H | Sets vertical tab positions beginning from n1 and end | ||
| n64 NUL | [27,66,n1,n2,...n64,0] D | with NUL [00]H. n1=1 is the first line at the TOF. | ||
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[29] | ESC C n | [1B,43,n] H | [27,67,n] D | Sets page length in lines (1≤ n≤ 255). | |
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| The current print line becomes TOF | |
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| The bottom margin set by ESC N is cancelled. | |
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[30] | ESC C NUL n | [1B,43,00,n] H [27,67,0,n] D | Sets page length in inches (1≤ n≤ 182). | ||
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| The current print line becomes TOF (top of form). | |
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[31] | ESC D n1 | [1B,44,n1,n2,...n28,00] H | Sets horizontal tab position (1≤ n≤ 255). | ||
| n2...n28 NUL | [27,68,n1,n2,...n28,0] D | n indicates the number of spaces from the left margin | ||
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| with the character width at the command execution. | |
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| Left/right margins clear the tab positions. | |
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| n1=1 is at the first column from the left margin. | |
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[32] | ESC E | [1B,45] H | [27,69] D | Sets emphasized character mode. | |
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| Underline and graphic characters are also emphasized. | |
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[33] | ESC F | [1B,46] H | [27,70] D | Cancels emphasized character mode. | |
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[34] | ESC G | [1B,47] H | [27,71] D | Sets double strike character mode. | |
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[35] | ESC H | [1B,48]H | [27,72] D | Cancels double strike character mode. | |
[36] | ESC I n | [1B,49] H | [27,73] D | Selects one of font styles. | |
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| n=0: | draft 10cpi |
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| n=2: | LQ 10cpi |
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| n=3: | LQ proportional |
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| n=4: | download Draft 10cpi |
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| n=6: | download LQ 10cpi |
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| n=7: | download LQ proportional |
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| n=8: | draft 12cpi |
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| n=10: | LQ 12cpi |
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| n=12: | download draft 12cpi |
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| n=14: | download LQ 12cpi |
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| n=16: | condensed draft |
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| n=18: | condensed LQ |
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| n=20: | download condensed draft |
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| n=22: | download condensed LQ |
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[37] | ESC J n | [1B,4A,n] H [27,74,n] D | Linefeeds in the basic spacing set by ESC [ \ after | ||
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| printing. The default is n/216" (1≤ n≤ 255) in | |
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| standard mode or n/180" (0≤ n≤ 255) in AGM mode. | |
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