<s>
The	O
,	O
sometimes	O
called	O
the	O
Sharp	B-Device
X1	I-Device
or	O
CZ-800C	O
,	O
is	O
a	O
series	O
of	O
home	O
computers	O
released	O
by	O
Sharp	O
Corporation	O
from	O
1982	O
to	O
1988	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
a	O
Zilog	B-General_Concept
Z80	I-General_Concept
CPU	B-General_Concept
.	O
</s>
<s>
The	O
RGB	O
display	B-Device
monitor	I-Device
for	O
the	O
X1	B-Device
had	O
a	O
television	O
tuner	O
,	O
and	O
a	O
computer	B-Device
screen	I-Device
could	O
be	O
super-imposed	O
on	O
TV	O
.	O
</s>
<s>
The	O
entirety	O
of	O
the	O
VRAM	O
memory	O
was	O
mapped	O
on	O
to	O
the	O
I/O	O
area	O
,	O
so	O
it	O
was	O
controlled	O
without	O
bank	B-General_Concept
switching	I-General_Concept
.	O
</s>
<s>
These	O
features	O
made	O
the	O
X1	B-Device
very	O
powerful	O
for	O
game	O
software	O
.	O
</s>
<s>
Despite	O
the	O
fact	O
that	O
the	O
Computer	O
Division	O
of	O
Sharp	O
Corporation	O
had	O
released	O
the	O
MZ	B-Operating_System
series	I-Operating_System
,	O
suddenly	O
the	O
Television	O
Division	O
released	O
a	O
new	O
computer	O
series	O
called	O
the	O
X1	B-Device
.	O
</s>
<s>
At	O
the	O
time	O
the	O
original	O
X1	B-Device
was	O
released	O
,	O
all	O
other	O
home	O
computers	O
generally	O
had	O
a	O
BASIC	O
language	O
in	O
ROM	B-Device
.	O
</s>
<s>
However	O
the	O
X1	B-Device
did	O
not	O
have	O
a	O
BASIC	O
ROM	B-Device
,	O
and	O
it	O
had	O
to	O
load	O
the	O
Hu-BASIC	O
interpreter	O
from	O
a	O
cassette	O
tape	O
.	O
</s>
<s>
On	O
the	O
plus	O
side	O
however	O
,	O
this	O
concept	O
meant	O
that	O
a	O
free	O
RAM	B-Architecture
area	O
was	O
available	O
that	O
was	O
as	O
big	O
as	O
possible	O
when	O
not	O
using	O
BASIC	O
.	O
</s>
<s>
This	O
policy	O
was	O
originally	O
copied	O
from	O
the	O
Sharp	B-Operating_System
MZ	I-Operating_System
series	O
,	O
and	O
they	O
were	O
called	O
clean	O
computers	O
in	O
Japan	O
.	O
</s>
<s>
The	O
cabinet	O
shape	O
of	O
X1	B-Device
was	O
also	O
much	O
more	O
stylish	O
than	O
others	O
at	O
that	O
time	O
and	O
a	O
range	O
of	O
cabinet	O
colors	O
(	O
including	O
Red	O
)	O
was	O
selectable	O
.	O
</s>
<s>
Sharp	O
never	O
released	O
an	O
MSX	B-Operating_System
computer	O
in	O
Japan	O
.	O
</s>
<s>
Some	O
X1	B-Device
developers	O
were	O
proud	O
to	O
develop	O
their	O
own	O
technology	O
,	O
and	O
they	O
did	O
n't	O
want	O
to	O
work	O
with	O
Microsoft	O
who	O
attempted	O
to	O
create	O
a	O
unified	O
standard	O
.	O
</s>
<s>
However	O
,	O
the	O
Brazilian	O
subsidiary	O
of	O
Sharp	O
,	O
Epcom	O
,	O
released	O
an	O
MSX	B-Operating_System
computer	O
Hotbit	B-General_Concept
HB-8000	I-General_Concept
in	O
Brazil	O
.	O
</s>
<s>
While	O
X1	B-Device
was	O
struggling	O
to	O
sell	O
,	O
the	O
PC8801	B-Device
(	O
from	O
NEC	O
)	O
was	O
quickly	O
becoming	O
popular	O
in	O
the	O
Japanese	O
market	O
.	O
</s>
<s>
In	O
1984	O
,	O
Sharp	O
released	O
the	O
X1	B-Device
turbo	O
series	O
with	O
high-resolution	O
graphics	O
(	O
640x400	O
,	O
while	O
X1	B-Device
had	O
640x200	O
)	O
.	O
</s>
<s>
In	O
1986	O
,	O
Sharp	O
released	O
the	O
X1	B-Device
turbo	O
Z	O
series	O
with	O
a	O
4096	O
color	O
analog	O
RGB	O
monitor	O
.	O
</s>
<s>
An	O
X1	B-Device
twin	O
,	O
which	O
had	O
a	O
PC-Engine	B-General_Concept
in	O
the	O
cabinet	O
,	O
was	O
released	O
as	O
the	O
last	O
machine	O
of	O
the	O
X1	B-Device
series	O
in	O
1987	O
.	O
</s>
<s>
The	O
X1	B-Device
series	O
was	O
succeeded	O
by	O
the	O
X68000	B-Device
.	O
</s>
<s>
In	O
the	O
late	O
2000s	O
,	O
Sharp	O
sold	O
desktop	O
PC/TV	O
combos	O
in	O
Japan	O
through	O
its	O
Internet	B-Application
Aquos	I-Application
line	O
,	O
where	O
an	O
was	O
available	O
.	O
</s>
