<s>
The	O
Commodore	B-Device
1351	I-Device
is	O
a	O
computer	B-Device
mouse	I-Device
made	O
by	O
Commodore	O
in	O
1986	O
,	O
which	O
can	O
be	O
directly	O
plugged	O
into	O
the	O
9-pin	B-Protocol
control	O
port	O
of	O
a	O
Commodore	O
64	O
or	O
128	B-Device
.	O
</s>
<s>
The	O
Commodore	B-Device
1351	I-Device
is	O
similar	O
in	O
appearance	O
to	O
the	O
mouse	O
supplied	O
with	O
Amiga	B-Device
computers	I-Device
of	O
the	O
time	O
,	O
but	O
the	O
two	O
are	O
not	O
mutually	O
compatible	O
.	O
</s>
<s>
The	O
Amiga	B-Device
mouse	O
has	O
a	O
thinner	O
plug	O
which	O
looks	O
like	O
regular	O
joystick	B-Device
connectors	O
.	O
)	O
</s>
<s>
In	O
its	O
default	O
mode	O
,	O
it	O
is	O
a	O
true	O
proportional	O
mouse	O
,	O
but	O
by	O
holding	O
down	O
the	O
right	O
mouse	O
button	O
when	O
powering	O
up	O
the	O
machine	O
,	O
it	O
can	O
be	O
made	O
to	O
emulate	O
its	O
predecessor	O
,	O
the	O
1350	O
(	O
which	O
while	O
physically	O
a	O
mouse	O
acted	O
electrically	O
like	O
a	O
joystick	B-Device
)	O
.	O
</s>
<s>
The	O
1351	O
utilizes	O
the	O
6581/8580	O
SID	O
chip	O
's	O
analog-to-digital	O
converter	O
,	O
thus	O
it	O
is	O
only	O
compatible	O
with	O
the	O
C64/C128	O
and	O
will	O
not	O
work	O
on	O
the	O
VIC-20	O
despite	O
using	O
the	O
same	O
9-pin	B-Protocol
connector	O
.	O
</s>
<s>
An	O
Amiga	B-Device
mouse	O
,	O
although	O
electrically	O
compatible	O
with	O
the	O
C64	O
,	O
uses	O
the	O
paddle	O
registers	O
and	O
will	O
be	O
much	O
more	O
CPU-intensive	O
to	O
read	O
than	O
the	O
1351	O
.	O
</s>
<s>
A	O
few	O
programs	O
such	O
as	O
Interpaint	O
support	O
Amiga	B-Device
mice	O
.	O
</s>
<s>
The	O
mouse	O
was	O
distributed	O
with	O
a	O
user	O
manual	O
containing	O
maintenance	O
instructions	O
,	O
pinouts	B-Application
,	O
and	O
sample	O
BASIC	O
and	O
machine	B-Language
language	I-Language
programs	O
for	O
the	O
Commodore	O
64	O
and	O
128	B-Device
.	O
</s>
<s>
Also	O
included	O
was	O
a	O
diskette	O
containing	O
diagnostic	O
tools	O
,	O
demos	O
,	O
drivers	O
,	O
and	O
an	O
upgrade	O
for	O
the	O
GEOS	B-Device
operating	O
system	O
.	O
</s>
<s>
A	O
handful	O
of	O
drawing	O
programs	O
,	O
GEOS	B-Device
,	O
and	O
the	O
C64	O
port	O
of	O
Arkanoid	B-Device
can	O
use	O
the	O
NEOS	O
Mouse	O
.	O
</s>
<s>
The	O
reviewer	O
noted	O
that	O
,	O
at	O
the	O
time	O
of	O
writing	O
,	O
very	O
little	O
commercial	O
software	O
supported	O
the	O
1351	O
in	O
proportional	O
mode	O
,	O
but	O
suggested	O
that	O
the	O
mouse	O
would	O
be	O
of	O
benefit	O
in	O
joystick	B-Device
mode	O
in	O
drawing	O
programs	O
,	O
font	O
and	O
sprite	O
editors	O
,	O
and	O
certain	O
kinds	O
of	O
games	O
.	O
</s>
<s>
Software	O
that	O
can	O
use	O
a	O
1351	O
mouse	O
includes	O
GEOS	B-Device
,	O
The	B-Application
Faery	I-Application
Tale	I-Application
Adventure	I-Application
,	O
Operation	B-Application
Wolf	I-Application
,	O
and	O
assorted	O
application/drawing	O
programs	O
.	O
</s>
