Cleanup/addition of manpages for macppc.

Some of these changes from Peter Philipp.
ok millert.
zs was cleaned up based on comments.

1 files changed, 54 insertions, 12 deletions

diff --git a/share/man/man4/man4.macppc/adb.4 b/share/man/man4/man4.macppc/adb.4
index 0b871b01ca8..7c05e8e69ac 100644
--- a/share/man/man4/man4.macppc/adb.4
+++ b/share/man/man4/man4.macppc/adb.4
@@ -1,6 +1,7 @@
-.\" $OpenBSD: adb.4,v 1.2 2001/09/02 19:36:55 miod Exp $
+.\" $OpenBSD: adb.4,v 1.3 2001/10/03 04:32:37 drahn Exp $
 .\"
 .\" Copyright (c) 2001 Peter Philipp
+.\" Copyright (c) 1997 Colin Wood
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -11,7 +12,11 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. The name of the author may not be used to endorse or promote products
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"      This product includes software developed by Colin Wood
+.\"      for the NetBSD Project.
+.\" 4. The name of the author may not be used to endorse or promote products
 .\"    derived from this software without specific prior written permission
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
@@ -28,21 +33,58 @@
 .Dd July 30, 2001
 .Dt ADB 4 macppc
 .Os 
-
 .Sh NAME
 .Nm adb
 .Nd Apple Desktop Bus driver
 .Sh SYNOPSIS
 .Cd "adb at macobio?"
 .Sh DESCRIPTION
-The Apple Desktop Bus driver handles I/O devices such as ADB Keyboard, pointing
-devices such as trackball or mouse, and special function buttons.
+The Apple Desktop Bus
+.Pq Tn ADB
+is the single-master, multiple-slave, low-speed serial bus
+interface used by Macintosh computers to connect input devices
+such as keyboards, mice, trackballs, and graphics tablets
+to the machine.
+.Pp
+Originally developed for the Mac68K port, the 
+.Nm
+driver was heavily modified when it was ported to the PowerPC architecture.  
+During this port it seems that the original 
+.Nm
+event device was split into many smaller subsystems, namely:
+.Pp
+.Bl -enum -compact
+.It
+Apple Event Device driver
+.Xr aed 4 .
+.It
+Apple Keyboard driver
+.Xr akbd 4 .
+.It 
+Apple Mouse Support driver
+.Xr ams 4 .
+.El
+.Pp
+New
+.Nm
+devices such as the Apple Brightness / Volume Control Button
+.Xr abtn 4 
+were added to the PowerPC port later to complement the ADB system.
 .Sh SEE ALSO
-.Xr abtn 4,
-.Xr aed 4,
-.Xr ams 4
+.Xr abtn 4 ,
+.Xr aed 4 ,
+.Xr akbd 4 ,
+.Xr ams 4 
+.Sh HISTORY
+The
+.Nm
+interface first appeared in
+.Nx 0.9 .
+It has been under development ever since.  The original
+.Xr adb 4
+manpage was written by Colin Wood for 
+.Nx 
+/ Mac68K.
 .Sh AUTHORS
-The direct ADB routines were written by
-.Sy John P. Wittkoski.
-The autoconf and attach routines seem to be written by 
-.Sy Bradley A. Grantham.
+Original ADB support was written by Bradley A. Grantham.
+The direct ADB routines were written by John P. Wittkoski.