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1.1 root 1:
2:
3: console Device Driver console
4:
5:
6:
7:
8: Console device driver
9:
10:
11: /dev/console is the device driver for the console of a COHERENT
12: system on the IBM AT. It is assigned major device number 2 and
13: minor device number 0.
14:
15: /dev/console interprets escape sequences in console output to
16: control output on the console monitor. These escape sequences
17: are compatible with ANSI X3.25. Thus, they are similar to those
18: used by the DEC VT-100 and VT-220 terminals.
19:
20: The special sequences include the following:
21:
22: <eesscc>>= Enter alternate keypad mode.
23:
24: <eesscc>> Exit alternate keypad mode.
25:
26: <eesscc>nn Print the corresponding special graphics character.
27:
28: <eesscc>77 Save the current cursor position.
29:
30: <eesscc>88 Restore the previously saved cursor position.
31:
32: <eesscc>cc Reset to power-up configuration
33:
34: <eesscc>DD Move the cursor down one line without changing the
35: column position. This command moves the scrolling
36: region text up and inserts blank lines if required.
37:
38: <eesscc>EE Move the cursor to the first column of the next line.
39: This command move the scrolling region down and inserts
40: blank line if required.
41:
42: <eesscc>MM Move the cursor up one line without changing column
43: position
44:
45: <eesscc>[ AA Cursor up; stop at top of page.
46:
47: <eesscc>[ BB Cursor down; stop at bottom edge of scrolling region.
48:
49: <eesscc>[ CC Cursor right. Stop at right bottom corner of scrolling
50: region.
51:
52: <eesscc>[ DD Cursor left.
53:
54: <eesscc>[ EE Cursor next line. Move scrolling region up and insert
55: a blank line if required.
56:
57: <eesscc>[ FF Move scrolling region text down and insert a blank line
58: if required.
59:
60: <eesscc>[ _n GG
61: Move the cursor to the _nth column of the current line.
62:
63:
64: COHERENT Lexicon Page 1
65:
66:
67:
68:
69: console Device Driver console
70:
71:
72:
73:
74: <eesscc>[ _n;_m HH
75: Move the cursor to position m n. Position is relative
76: to the scrolling region.
77:
78: <eesscc>[ II Move the cursor position to the next horizontal tabula-
79: tion stop.
80:
81: <eesscc>[ _n JJ
82: Erase display:
83: 00 Erase from cursor to end of screen.
84: 11 Erase from beginning of screen to cursor.
85: 22 Erase the entire screen.
86:
87:
88: <eesscc>[ _n KK
89: Erase line:
90: 00 Erase from cursor to end of line.
91: 11 Erase from beginning of line to cursor.
92: 22 Erase entire line.
93:
94:
95: <eesscc>[ LL Insert a line.
96:
97: <eesscc>[ MM Delete a line.
98:
99: <eesscc>[ _n OO
100: Erase scrolling region:
101: 00 Erase from cursor to end of scrolling region.
102: 11 Erase from beginning of scrolling region to cursor.
103: 22 Erase entire scrolling region. Reposition cursor at
104: top left corner of scrolling region.
105:
106:
107: <eesscc>[ SS Scroll the characters in the scrolling region up one
108: line. The bottom of the scrolling region is cleared to
109: blanks.
110:
111: <eesscc>[ TT Scroll the characters in the scrolling region down one
112: line. The top line of the scrolling region is cleared
113: to blanks.
114:
115: <eesscc>[ ZZ Move the cursor backwards to the last tabulation stop.
116:
117: <eesscc>[ _n `
118: Move the cursor to column _n of the current line.
119:
120: <eesscc>[ _n aa
121: Move the cursor forward n columns in the current line.
122:
123: <eesscc>[ _n dd
124: Move the cursor to row _n of the display.
125:
126: <eesscc>[ _n ee
127: Move the cursor down _n rows.
128:
129:
130: COHERENT Lexicon Page 2
131:
132:
133:
134:
135: console Device Driver console
136:
137:
138:
139:
140: <eesscc>[ _n;_m ff
141: Move the cursor to column _m of row _n in the display.
142:
143: <eesscc>[ _n;_m gg
144: Position cursor to column _m of line _n. Positioning is
145: relative to the scrolling region.
146:
147: <eesscc>[ _n mm
148: Select graphics rendition:
149: 00 All attributes off.
150: 11 Bold intensity.
151: 44 Underscore on.
152: 55 Blink on.
153: 77 Reverse video.
154: 3300 Black foreground.
155: 3311 Red foreground.
156: 3322 Green foreground.
157: 3333 Brown foreground.
158: 3344 Blue foreground.
159: 3355 Magenta foreground.
160: 3366 Cyan foreground.
161: 3377 White foreground.
162: 4400 Black background.
163: 4411 Red background.
164: 4422 Green background.
165: 4433 Brown background.
166: 4444 Blue background.
167: 4455 Magenta background.
168: 4466 Cyan background.
169: 4477 White background.
170: 5500 Black border.
171: 5511 Red border.
172: 5522 Green border.
173: 5533 Brown border.
174: 5544 Blue border.
175: 5555 Magenta border.
176: 5566 Cyan border.
177: 5577 White border.
178:
179:
180: <eesscc>[ _n;_m rr
181: Display lines _n through _m become the scrolling region.
182:
183: <eesscc>[ _n vv
184: Select cursor rendition:
185: 00 Cursor visible.
186: 11 Cursor invisible.
187:
188:
189: <eesscc>[?44hh Enable smooth scrolling. This eliminates snow at the
190: expense of speed.
191:
192: <eesscc>[?44ll Disable smooth scrolling (default).
193:
194:
195:
196: COHERENT Lexicon Page 3
197:
198:
199:
200:
201: console Device Driver console
202:
203:
204:
205: <eesscc>[?77hh Enable wraparound. Typing past column 80 moves the
206: cursor to the first column of the next line, scrolling
207: if necessary.
208:
209: <eesscc>[?77ll Disable wraparound. The cursor will not move past
210: column 80. This is useful if the screen is being used
211: as a block mode interface.
212:
213: <eesscc>` Disable manual input. Terminal ``beeps'' (outputs
214: <ccttrrll-GG>) when a key is typed on the keyboard. Inter-
215: rupt and quit signals are still passed to the terminal
216: process. Input may be renabled via <eesscc>cc (power up
217: reset) or <eesscc>bb (enable manual input).
218:
219: <eesscc>bb Enable keyboard input that has been disabled by <eesscc>`
220: (disable manual input).
221:
222: <eesscc>tt Enter keypad-shifted mode.
223:
224: <eesscc>uu Exit keypad-shifted mode.
225:
226: The console keyboard sends the expected ASCII characters for the
227: usual alphabetic, numeric, and punctuation keys. The numeric
228: keypad normally sends editing escape sequences, as described
229: below. When shifted or in num-lock mode, it sends `0' to `9' and
230: `.' instead. In num-lock mode (i.e., when the <num-lock> key is
231: depressed, <shift> restores the normal escape sequences. In al-
232: ternate-keypad mode, the numeric keypad sends "<eesscc>? pp" to
233: ``<eesscc>? yy'' for `0' to `9' and ``<eesscc>? nn'' for `.'.
234:
235: <hhoommee> Send ``cursor home'' (<eesscc>[ HH).
236:
237: <uupp> Send ``cursor up'' (<eesscc>[ AA).
238:
239: <ppgg uupp> Send (<eesscc>[ VV).
240:
241: <lleefftt> Send ``cursor left'' (<eesscc>[ DD).
242:
243: <rriigghhtt> Send ``cursor right'' (<eesscc>[ CC).
244:
245: <eenndd> Send cursor to bottom left of screen (<eesscc>[ 2244 HH).
246:
247: <ddoowwnn> Send ``cursor down'' (<eesscc>[ BB).
248:
249: <ppgg ddnn> Move cursor to previous page (<eesscc>[ UU).
250:
251: <iinnss> Toggle insert mode (<eesscc>[ @).
252:
253: <ddeell> Delete the character at the cursor (<eesscc>[ PP).
254:
255: The effects of the remaining keys are described below:
256:
257: FF11-FF1100 Send <eesscc>[ 11 xx ... <eesscc>[ 99 xx, <eesscc>[ 00 xx.
258:
259:
260:
261:
262: COHERENT Lexicon Page 4
263:
264:
265:
266:
267: console Device Driver console
268:
269:
270:
271: <aalltt>FF11-FF1100 Send <eesscc>[ 11 yy ... <eesscc>[ 99 yy, <eesscc>[ 00 yy.
272:
273: <eesscc> Mark the beginning of an escape sequence; <esc><esc>
274: sends ASCII ESC.
275:
276: <ttaabb> Send ASCII HT.
277:
278: <ccttrrll> When combined with `A' through `_', send the cor-
279: responding ASCII control character; when combined
280: with <rreettuurrnn>, send ASCII LF; when combined with
281: <backspace> send ASCII DEL; when combined with <alt>
282: and <del>, issue system reset. <ctrl-X> cancels an
283: escape sequence.
284:
285: <sshhiifftt> Change alphabetic keys from lower case to upper
286: case, or from upper case to lower case in ``caps
287: lock'' mode.
288:
289: <aalltt> When combined with <ctrl-alt-del>, issue a system
290: reset.
291:
292: <bbaacckkssppaaccee> Send ASCII BS; when combined with <ctrl>, send ASCII
293: DEL.
294:
295: <rreettuurrnn> Send ASCII CR; when combined with <ctrl>, send ASCII
296: LF.
297:
298: * Send ASCII `*'.
299:
300: <ccaappss lloocckk> Toggle ``caps lock'' mode.
301:
302: <nnuumm lloocckk> Toggle the interpretation of the numeric keypad, as
303: described above.
304:
305: <ssccrroollll lloocckk>
306: Toggle console output, like <ctrl-S> and <ctrl-Q>;
307: when combined with <ctrl>, send signal SIGINT; when
308: combined with <alt>, sends signal SIGQUIT.
309:
310: - Send `-'.
311:
312: + Send `+'.
313:
314: ***** Files *****
315:
316: /dev/console
317:
318: ***** See Also *****
319:
320: ASCII, device drivers, signal()
321:
322:
323:
324:
325:
326:
327:
328: COHERENT Lexicon Page 5
329:
330:
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