<s>
The	O
Honeywell	B-Device
316	I-Device
was	O
a	O
popular	O
16-bit	B-Device
minicomputer	B-Architecture
built	O
by	O
Honeywell	O
starting	O
in	O
1969	O
.	O
</s>
<s>
They	O
were	O
commonly	O
used	O
for	O
data	O
acquisition	O
and	O
control	O
,	O
remote	O
message	O
concentration	O
,	O
clinical	O
laboratory	O
systems	O
,	O
Remote	B-Protocol
Job	I-Protocol
Entry	I-Protocol
and	O
time-sharing	B-General_Concept
.	O
</s>
<s>
The	O
Series-16	O
computers	O
are	O
all	O
based	O
on	O
the	O
DDP-116	B-Device
designed	O
by	O
Gardner	O
Hendrie	O
at	O
Computer	O
Control	O
Company	O
,	O
Inc	O
.	O
(	O
3C	O
)	O
in	O
1964	O
.	O
</s>
<s>
The	O
516	O
and	O
later	O
the	O
316	O
were	O
used	O
as	O
Interface	B-Protocol
Message	I-Protocol
Processors	I-Protocol
(	O
IMP	O
)	O
for	O
the	O
American	O
ARPANET	O
and	O
the	O
British	O
NPL	B-Protocol
Network	I-Protocol
.	O
</s>
<s>
DDP-124	O
-	O
part	O
of	O
a	O
trio	O
of	O
24-bit	O
systems	O
:	O
DDP-24	B-Device
,	O
124	O
,	O
224	O
.	O
</s>
<s>
The	O
H-316	O
was	O
used	O
by	O
Charles	O
H	O
.	O
Moore	O
to	O
develop	O
the	O
first	O
complete	O
,	O
stand-alone	O
implementation	O
of	O
Forth	B-Application
at	O
NRAO	O
.	O
</s>
<s>
The	O
Honeywell	O
516	O
was	O
used	O
in	O
the	O
NPL	B-Protocol
network	I-Protocol
,	O
and	O
the	O
516	O
and	O
later	O
the	O
316	O
were	O
used	O
as	O
Interface	B-Protocol
Message	I-Protocol
Processors	I-Protocol
(	O
IMP	O
)	O
for	O
the	O
ARPANET	O
.	O
</s>
<s>
The	O
original	O
Prime	O
computers	O
were	O
designed	O
to	O
be	O
compatible	O
with	O
the	O
Series-16	O
minicomputers	B-Architecture
.	O
</s>
<s>
The	O
Honeywell	B-Device
316	I-Device
also	O
had	O
industrial	O
applications	O
.	O
</s>
<s>
Two	O
PDP-11/70s	B-Device
,	O
which	O
had	O
previously	O
been	O
secondary	O
monitors	O
,	O
were	O
moved	O
to	O
primary	O
.	O
</s>
<s>
The	O
316	O
succeeded	O
the	O
earlier	O
DDP-516	B-Device
model	O
and	O
was	O
promoted	O
by	O
Honeywell	O
as	O
suitable	O
for	O
industrial	O
process	O
control	O
,	O
data-acquisition	O
systems	O
,	O
and	O
as	O
a	O
communications	O
concentrator	O
and	O
processor	O
.	O
</s>
<s>
The	O
computer	O
processor	O
was	O
made	O
from	O
small-scale	O
integration	O
DTL	B-General_Concept
monolithic	O
silicon	O
integrated	O
circuits	O
.	O
</s>
<s>
The	O
computer	O
was	O
a	O
bitwise-parallel	O
2	B-General_Concept
's	I-General_Concept
complement	I-General_Concept
system	O
with	O
16-bit	B-Device
word	O
length	O
.	O
</s>
<s>
The	O
instruction	B-General_Concept
set	I-General_Concept
was	O
a	O
single-address	O
type	O
with	O
an	O
index	O
register	O
.	O
</s>
<s>
It	O
also	O
provided	O
a	O
normalization	O
operation	O
,	O
assisting	O
implementation	O
of	O
software	O
floating-point	B-Algorithm
operations	O
.	O
</s>
<s>
The	O
16-bit	B-Device
A	O
register	O
was	O
the	O
primary	O
arithmetic	O
and	O
logic	O
accumulator	O
.	O
</s>
<s>
The	O
16-bit	B-Device
B	O
register	O
was	O
used	O
for	O
double-length	O
arithmetic	O
operations	O
.	O
</s>
<s>
The	O
16-bit	B-Device
program	O
counter	O
holds	O
the	O
address	O
of	O
the	O
next	O
instruction	O
.	O
</s>
<s>
A	O
16-bit	B-Device
X	O
index	O
register	O
was	O
also	O
provided	O
for	O
modification	O
of	O
the	O
address	O
of	O
operands	O
.	O
</s>
<s>
The	O
instruction	B-General_Concept
set	I-General_Concept
had	O
72	O
arithmetic	O
,	O
logic	O
,	O
I/O	O
and	O
flow-control	O
instructions	O
.	O
</s>
<s>
Input/output	O
instructions	O
used	O
the	O
A	O
register	O
and	O
separate	O
input	O
and	O
output	O
16-bit	B-Device
buses	O
.	O
</s>
<s>
In	O
addition	O
to	O
a	O
front-panel	B-Device
display	O
of	O
lights	O
and	O
toggle	O
switches	O
,	O
the	O
system	O
supported	O
different	O
types	O
of	O
input/output	O
devices	O
.	O
</s>
<s>
A	O
Teletype	B-Application
Model	I-Application
33	I-Application
ASR	O
teleprinter	O
could	O
be	O
used	O
as	O
a	O
console	O
I/O	O
device	O
and	O
(	O
in	O
the	O
most	O
basic	O
systems	O
)	O
to	O
load	O
and	O
store	O
data	O
to	O
paper	O
tape	O
.	O
</s>
<s>
Honeywell	O
advertised	O
the	O
system	O
as	O
the	O
first	O
minicomputer	B-Architecture
selling	O
for	O
less	O
than	O
$	O
10,000	O
.	O
</s>
<s>
The	O
Honeywell	B-Device
316	I-Device
has	O
the	O
distinction	O
of	O
being	O
the	O
first	O
computer	O
displayed	O
at	O
a	O
computer	O
show	O
with	O
semiconductor	O
RAM	B-Architecture
memory	I-Architecture
.	O
</s>
<s>
In	O
1972	O
,	O
a	O
Honeywell	B-Device
316	I-Device
was	O
displayed	O
with	O
a	O
semiconductor	O
RAM	B-Architecture
memory	I-Architecture
board	O
(	O
they	O
used	O
core	O
memory	O
previously	O
)	O
.	O
</s>
<s>
It	O
was	O
never	O
placed	O
into	O
production	O
,	O
as	O
DTL	B-General_Concept
was	O
too	O
power-hungry	O
to	O
survive	O
much	O
longer	O
.	O
</s>
<s>
Honeywell	O
knew	O
that	O
the	O
same	O
technology	O
that	O
enabled	O
the	O
production	O
of	O
RAM	B-Architecture
spelled	O
the	O
end	O
of	O
DTL	B-General_Concept
computers	O
,	O
and	O
wanted	O
to	O
show	O
that	O
the	O
company	O
was	O
cutting	O
edge	O
.	O
</s>
<s>
A	O
FORTRAN	B-Application
IV	O
compiler	O
was	O
available	O
,	O
as	O
well	O
as	O
an	O
assembler	O
,	O
real-time	O
disk	O
operating	O
systems	O
and	O
system	O
utilities	O
and	O
libraries	O
.	O
</s>
<s>
Reading	O
or	O
entering	O
these	O
recipes	O
would	O
have	O
been	O
nearly	O
impossible	O
for	O
the	O
average	O
intended	O
user	O
,	O
since	O
the	O
user	B-Application
interface	I-Application
required	O
the	O
user	O
to	O
complete	O
a	O
two-week	O
course	O
just	O
to	O
learn	O
how	O
to	O
program	O
the	O
device	O
,	O
using	O
only	O
toggle-switch	O
input	O
and	O
binary-light	O
output	O
.	O
</s>
