From 8d7ca6362d23cfb11b115f75fcdb9a7f6e782bd9 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Thu, 2 May 1996 01:24:37 +0000
Subject: sync with netbsd

---
 share/man/man4/man4.atari/ms.4 | 38 +++++++++++++++++++++++++++++---------
 1 file changed, 29 insertions(+), 9 deletions(-)

(limited to 'share/man/man4/man4.atari')

diff --git a/share/man/man4/man4.atari/ms.4 b/share/man/man4/man4.atari/ms.4
index c35c7643e3b..756000652c4 100644
--- a/share/man/man4/man4.atari/ms.4
+++ b/share/man/man4/man4.atari/ms.4
@@ -1,4 +1,4 @@
-.\"	$NetBSD: ms.4,v 1.1 1995/10/19 06:50:44 leo Exp $
+.\"	$NetBSD: ms.4,v 1.2 1996/04/25 06:03:47 leo Exp $
 .\"
 .\" Copyright (c) 1995 Leo Weppelman
 .\" All rights reserved.
@@ -41,6 +41,28 @@ mouse interface
 .Sh SYNOPSIS
 .Cd "pseudo-device mouse 1"
 .Sh DESCRIPTION
+
+The Atari mouse driver supports both the original Atari mouse and the third
+party 3-button mouse that has its middle button connected to the up-switch
+of the second joystick port. To accomodate X11 users with a standard mouse,
+the driver is able to emulate the middle button. See the section on ioctls
+for more info.
+.Pp
+.Bl -tag
+.It Sy Supported ioctls
+.Bl -tag -width MIOCG3B_EMUL -compact
+.It MIOCS3B_EMUL
+This ioctl turns the middle button emulation on or off depending on its
+argument. The middle button event is triggered by simultaneously pressing
+the left and right buttons. The default emulation mode is on.
+.Pp
+Note that the emulation status is retained across multiple open/close calls.
+.It MIOCG3B_EMUL
+This ioctl allows you to get the actual status of the emulation mode.
+.El
+.El
+.Bl -tag
+.It Sy Interface description
 The Atari mouse interface works on a minimal emulation of Sun's Firm_event
 structures. The primary reason for this is easy interfacing with X11.
 
@@ -57,23 +79,20 @@ typedef struct Firm_event {
 .Pp
 The values of 'id' concerning the mouse:
 .Bd -literal
-#define MS_LEFT         0x7f20    /* left mouse button */
+#define MS_LEFT         0x7f20    /* left mouse button   */
 #define MS_MIDDLE       0x7f21    /* middle mouse button */
-#define MS_RIGHT        0x7f22    /* right mouse button */
-#define LOC_X_DELTA     0x7f80    /* mouse delta-X */
-#define LOC_Y_DELTA     0x7f81    /* mouse delta-Y */
+#define MS_RIGHT        0x7f22    /* right mouse button  */
+#define LOC_X_DELTA     0x7f80    /* mouse delta-X       */
+#define LOC_Y_DELTA     0x7f81    /* mouse delta-Y       */
 .Ed
 
 .Pp
 The values of 'value' concerning a button event:
 .Bd -literal
-#define VKEY_UP         0         /* a button went up */
+#define VKEY_UP         0         /* a button went up   */
 #define VKEY_DOWN       1         /* a button went down */
 .Ed
 
-The middle button event is generated by the driver on the Atari. It can
-be triggered by simultaneously pressing the left and right buttons.
-
 .Pp
 .Sh FILES
 .Bl -tag -width /dev/mouse0 -compact
@@ -82,5 +101,6 @@ The real mouse device
 .It Pa /dev/mouse
 The currently active mouse device
 .El
+.El
 .Sh BUGS
 The time interval that defines 'simultaneous' cannot be set.
-- 
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