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1.1 root 1: .\"$Header: ibm5151.4,v 10.1 86/11/19 10:55:38 jg Exp $
2: .\"$Source: /u1/X/libibm/doc/man/RCS/ibm5151.4,v $
3: .\" This file uses -man macros.
4: .TH IBM5151 4 "31 Mar 1986" "Space overwritten by .AC macro" " "
5: .UC 4
6: .AC 1 0
7: .SH NAME
8: ibm5151, mono \- IBM 5151 Monochrome Display interface
9: .SH SYNOPSIS
10: .B "pseudo-device mono"
11: .SH DESCRIPTION
12: The monochrome display is a standard IBM Personal Computer AT
13: Monochrome Display and
14: display adapter.
15: The display adapter is accessed through a memory-mapped I/O address space.
16: The display buffer is at address 0xf40b0000.
17: Opening
18: .I /dev/mono
19: grants direct access to the display buffer and the
20: monochrome registers in the I/O map.
21: The registers are at the addresses
22: given in the IBM PC/AT Technical Reference Manual, offset by 0xf0000000.
23: .PP
24: Each character on the display has two bytes in the buffer; one contains the
25: character, the other the attributes. The attributes available are reverse
26: video, intense mode, blink mode and underline mode. These are available
27: through escape sequences sent to the display (see below).
28: All other functions are provided through software terminal emulation,
29: including either 24-line (plus status) mode or 25-line mode,
30: forward and reverse
31: scrolling and cursor positioning.
32: .PP
33: The escape sequences recognized by the display software, from
34: the termcap entry (in
35: .IR /etc/termcap )
36: for ``ibmmono'', are as follows:
37: .nf
38: <Esc>-<A> Cursor up
39: <Esc>-<C> Non-destructive space
40: <Esc>-<H> Home cursor
41: <Esc>-<I> Clear to end of line
42: <Esc>-<J> Clear to end of screen
43: <Esc>-<K> Clear screen
44: <Esc>-<L> Insert line
45: <Esc>-<M> Delete line
46: <Esc>-<W> Start underline
47: <Esc>-<Y> X Y position cursor
48: <Esc>-<Z> High intensity
49: <Esc>-<j> Save cursor position
50: <Esc>-<k> Restore cursor position
51: <Esc>-<p> Stand out
52: <Esc>-<q> Stand out end
53: <Esc>-<s> Status line on/off
54: <Esc>-<w> Stop underline
55: <Esc>-<z> Low intensity
56: .fi
57: .PP
58: These escape sequences are a superset of the ones recognized by IBM 3101
59: display.
60: .SH FILES
61: /dev/console
62: .br
63: /dev/mono
64: .SH "SEE ALSO"
65: cons(4), ibm6153(4), ibm6155(4), ibmaed(4), keyboard(4), tty(4)
66: .br
67: .SH DIAGNOSTICS
68: None.
69: .SH BUGS
70: Access to the PC/AT I/O and memory busses through
71: .I /dev/mono
72: is not limited to the monochrome addresses.
73: .PP
74: There should be separate escape sequences to turn the status line on
75: and off.
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