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.\" Copyright 1992 by the University of Guelph
.\"
.\" Permission to use, copy and modify this
.\" software and its documentation for any purpose and without
.\" fee is hereby granted, provided that the above copyright
.\" notice appear in all copies and that both that copyright
.\" notice and this permission notice appear in supporting
.\" documentation.
.\" University of Guelph makes no representations about the suitability of
.\" this software for any purpose. It is provided "as is"
.\" without express or implied warranty.
.\"
.Dd Aug 16, 1992
.Dt MSE 4
.Os
.Sh NAME
.Nm mse
.Nd bus mouse driver
.Sh DESCRIPTION
This is a simple driver for the Logitech and ATI Inport bus mouse interfaces
designed to be used with the X386 X11R5 X server. The minor device number is
made up of:
.Bd -literal -offset indent
minor = ('unit' << 1) | 'non-blocking'
.Ed
.Pp
where 'unit' is the device number (usually 0) and the 'non-blocking' bit
is set to indicate "don't block waiting for mouse input, return 0 instead".
The 'non-blocking' bit should be set for X386, therefore the minor device
number usually used for X386 is 1.
.Sh Caveats
Most bus mice generate N interrupts/second when enabled, whether or not the
mouse state is changing.
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