<s>
The	O
HP	B-Device
9845C	I-Device
from	O
Hewlett	O
Packard	O
was	O
one	O
of	O
the	O
first	O
desktop	B-Device
computers	I-Device
in	O
1980	O
equipped	O
with	O
color	O
screen	O
and	O
light	B-Device
pen	I-Device
for	O
design	O
and	O
illustration	O
work	O
.	O
</s>
<s>
It	O
was	O
used	O
to	O
create	O
the	O
color	O
war	O
room	O
graphics	O
in	O
the	O
1983	O
movie	O
WarGames	B-Application
.	O
</s>
<s>
The	O
attached	O
HP	O
98770A	O
color	O
display	O
enabled	O
the	O
color	O
graphics	O
with	O
its	O
own	O
CPU	O
and	O
separate	O
power	O
supply	O
,	O
a	O
vector	O
generator	O
based	O
on	O
the	O
AMD2900	B-General_Concept
bit-slice	B-General_Concept
architecture	O
,	O
graphics	O
memory	O
with	O
three	O
planes	O
of	O
each	O
,	O
the	O
connection	O
interface	O
to	O
the	O
mainframe	O
consists	O
of	O
a	O
direct	O
data	O
bus	O
attachment	O
,	O
and	O
a	O
light-pen	O
logic	O
.	O
</s>
<s>
The	O
system	O
is	O
a	O
big-endian	O
16-bit	B-Device
architecture	I-Device
with	O
roots	O
in	O
the	O
which	O
were	O
one	O
of	O
the	O
first	O
16-bit	B-Device
microprocessors	O
created	O
.	O
</s>
<s>
The	O
speed	O
of	O
the	O
builtin	O
BASIC	O
language	O
was	O
accomplished	O
by	O
implementing	O
time	O
critical	O
parts	O
of	O
it	O
in	O
CPU	O
microcode	B-Device
.	O
</s>
