<s>
Robot	B-Operating_System
Battle	I-Operating_System
is	O
a	O
programming	B-Language
game	I-Language
developed	O
in	O
1991	O
by	O
Blue	O
Cow	O
Software	O
for	O
the	O
Apple	B-Device
Macintosh	I-Device
where	O
players	O
design	O
and	O
code	O
adaptable	O
battling	O
robots	B-Algorithm
.	O
</s>
<s>
Its	O
idea	O
is	O
similar	O
to	O
RobotWar	B-Device
.	O
</s>
<s>
The	O
concept	O
of	O
the	O
game	O
was	O
invented	O
by	O
Toby	O
Smith	O
in	O
a	O
BASIC	O
program	O
"	O
when	O
people	O
with	O
512K	O
of	O
RAM	O
and	O
two	O
floppy	B-Device
drives	I-Device
were	O
power-users	O
"	O
,	O
as	O
he	O
states	O
in	O
the	O
game	O
manual	O
.	O
</s>
<s>
The	O
game	O
consists	O
of	O
a	O
battleground	O
and	O
two	O
robots	B-Algorithm
.	O
</s>
<s>
Before	O
the	O
game	O
starts	O
,	O
each	O
robot	B-Algorithm
is	O
preprogrammed	O
using	O
a	O
BASIC-like	O
language	O
called	O
RIPPLE	O
(	O
"	O
Robot	B-Algorithm
Instructional	O
Programming	O
Language	O
"	O
)	O
.	O
</s>
<s>
099	O
humans	O
can	O
also	O
be	O
placed	O
into	O
the	O
battleground	O
to	O
throw	O
the	O
robots	B-Algorithm
with	O
hand	O
grenades	O
.	O
</s>
<s>
The	O
robot	B-Algorithm
to	O
survive	O
the	O
longer	O
is	O
the	O
winner	O
.	O
</s>
<s>
The	O
RIPPLE	O
language	O
programs	O
consist	O
of	O
logic	O
commands	O
,	O
such	O
as	O
flow	O
of	O
control	O
statements	O
;	O
and	O
action	O
commands	O
,	O
that	O
actually	O
make	O
the	O
robot	B-Algorithm
perform	O
an	O
action	O
,	O
such	O
as	O
fire	O
a	O
weapon	O
.	O
</s>
