<s>
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
is	O
a	O
1983	O
computer	B-Application
wargame	I-Application
written	O
by	O
Gary	O
Grigsby	O
and	O
published	O
by	O
Strategic	O
Simulations	O
.	O
</s>
<s>
A	O
Macintosh	B-Device
version	O
was	O
released	O
in	O
1986	O
.	O
</s>
<s>
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
was	O
Grigsby	O
's	O
third	O
game	O
.	O
</s>
<s>
It	O
began	O
development	O
as	O
a	O
part-time	O
project	O
while	O
he	O
worked	O
for	O
the	O
United	O
States	O
Department	O
of	O
Defense	O
,	O
like	O
his	O
previous	O
titles	O
Guadalcanal	B-Application
Campaign	I-Application
and	O
Bomb	B-Device
Alley	I-Device
,	O
but	O
Grigsby	O
left	O
the	O
position	O
to	O
become	O
a	O
full-time	O
game	O
developer	O
during	O
North	O
Atlantics	O
production	O
.	O
</s>
<s>
He	O
followed	O
it	O
with	O
Carrier	B-Application
Force	I-Application
(	O
1983	O
)	O
.	O
</s>
<s>
But	O
the	O
need	O
to	O
keep	O
track	O
of	O
so	O
many	O
other	O
variables	O
in	O
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
necessitated	O
deletion	O
of	O
those	O
counters	O
.	O
</s>
<s>
Other	O
weaknesses	O
of	O
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
included	O
the	O
ability	O
of	O
unarmed	O
search	O
and	O
cargo	O
aircraft	O
to	O
go	O
anywhere	O
they	O
had	O
the	O
range	O
to	O
go	O
,	O
immune	O
to	O
enemy	O
fighters	O
.	O
</s>
<s>
In	O
spite	O
of	O
these	O
and	O
other	O
limitations	O
,	O
the	O
game	O
was	O
an	O
extraordinary	O
achievement	O
,	O
given	O
that	O
all	O
program	O
code	O
and	O
game	O
data	O
were	O
on	O
a	O
140KB	O
floppy	O
disk	O
,	O
and	O
the	O
game	O
executed	O
on	O
an	O
Apple	B-Device
II	I-Device
with	O
as	O
little	O
as	O
48KB	O
of	O
RAM	O
.	O
</s>
<s>
In	O
fact	O
,	O
Grigsby	O
pushed	O
the	O
limits	O
of	O
the	O
Apple	B-Device
II	I-Device
so	O
far	O
that	O
there	O
would	O
not	O
have	O
been	O
enough	O
memory	O
available	O
without	O
using	O
SSI	O
's	O
proprietary	O
RDOS	O
instead	O
of	O
Apple	O
's	O
conventional	O
operating	O
system	O
.	O
</s>
<s>
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
was	O
designed	O
by	O
Gary	O
Grigsby	O
.	O
</s>
<s>
He	O
had	O
made	O
his	O
previous	O
titles	O
Guadalcanal	B-Application
Campaign	I-Application
and	O
Bomb	B-Device
Alley	I-Device
entirely	O
in	O
his	O
spare	O
time	O
.	O
</s>
<s>
The	O
game	O
used	O
the	O
same	O
basic	O
program	O
used	O
by	O
Grigsby	O
's	O
previous	O
Guadalcanal	B-Application
Campaign	I-Application
and	O
Bomb	B-Device
Alley	I-Device
,	O
which	O
were	O
coded	O
in	O
the	O
Applesoft	B-Language
BASIC	I-Language
language	O
.	O
</s>
<s>
Each	O
turn	O
represented	O
twelve	O
hours	O
,	O
but	O
in	O
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
,	O
sea	O
,	O
air	O
and	O
land	O
combat	O
could	O
also	O
take	O
place	O
at	O
night	O
instead	O
of	O
only	O
during	O
daytime	O
turns	O
.	O
</s>
<s>
Grigsby	O
released	O
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
in	O
1983	O
,	O
the	O
same	O
year	O
he	O
launched	O
Carrier	B-Application
Force	I-Application
.	O
</s>
<s>
Computer	O
Gaming	O
World	O
wrote	O
that	O
North	B-Application
Atlantic	I-Application
'	I-Application
86	I-Application
"	O
definitely	O
should	O
not	O
be	O
your	O
first	O
computer	B-Application
wargame	I-Application
.	O
</s>
<s>
But	O
,	O
it	O
definitely	O
should	O
be	O
one	O
of	O
your	O
computer	B-Application
wargames	I-Application
!	O
"	O
</s>
