<s>
Carnival	B-Application
is	O
a	O
fixed	O
shooter	O
developed	O
by	O
Gremlin	O
and	O
released	O
by	O
Sega	O
in	O
arcades	O
in	O
1980	O
.	O
</s>
<s>
Carnival	B-Application
was	O
ported	O
to	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
,	O
ColecoVision	B-Device
,	O
and	O
Intellivision	B-Operating_System
by	O
Coleco	O
.	O
</s>
<s>
A	O
licensed	O
Atari	B-Device
8-bit	I-Device
family	I-Device
version	O
was	O
published	O
in	O
1982	O
by	O
ANALOG	O
Software	O
,	O
the	O
commercial	O
software	O
label	O
of	O
ANALOG	O
Computing	O
magazine	O
.	O
</s>
<s>
In	O
1983	O
,	O
Acornsoft	O
published	O
Carnival	B-Application
for	O
the	O
BBC	B-Device
Micro	I-Device
.	O
</s>
<s>
Carnival	B-Application
is	O
one	O
of	O
the	O
few	O
games	O
that	O
has	O
two	O
different	O
PCBs	O
,	O
one	O
for	O
each	O
version	O
;	O
normally	O
a	O
game	O
only	O
has	O
one	O
PCB	O
with	O
a	O
DIP	O
switch	O
that	O
sets	O
it	O
to	O
either	O
upright	O
or	O
cocktail	O
mode	O
.	O
</s>
<s>
The	O
tune	O
that	O
plays	O
throughout	O
the	O
game	O
is	O
"	O
Sobre	O
las	O
Olas	O
"	O
(	O
Over	O
the	O
Waves	O
)	O
by	O
Juventino	O
Rosas	O
,	O
a	O
tune	O
commonly	O
associated	O
with	O
carnivals	B-Application
and	O
funfairs	O
.	O
</s>
<s>
The	O
game	O
's	O
General	B-Device
Instrument	I-Device
AY-3-8910	I-Device
chip	O
allows	O
for	O
a	O
relatively	O
complex	O
rendition	O
of	O
Rosas	O
's	O
waltz	O
with	O
overlaid	O
sound	O
effects	O
.	O
</s>
<s>
Electronic	O
Games	O
called	O
the	O
ColecoVision	B-Device
port	O
of	O
Carnival	B-Application
"	O
a	O
letter-perfect	O
recreation	O
of	O
the	O
arcade	B-Application
original	O
that	O
's	O
not	O
to	O
be	O
missed.	O
"	O
</s>
<s>
In	O
a	O
retrospective	O
discussion	O
of	O
the	O
arcade	B-Application
game	O
's	O
music	O
,	O
video	O
game	O
scholar	O
Andrew	O
wrote	O
,	O
"	O
as	O
the	O
track	O
makes	O
use	O
of	O
all	O
three	O
tone-channels	O
—	O
using	O
two	O
for	O
the	O
waltz	O
's	O
characteristic	O
oom-pah-pah	O
and	O
one	O
for	O
its	O
memorable	O
melody	O
—	O
the	O
resulting	O
texture	O
is	O
rich	O
enough	O
to	O
do	O
the	O
music	O
justice	O
.	O
</s>
