<s>
Megamax	B-Operating_System
C	I-Operating_System
is	O
a	O
K&R	O
C-based	O
development	O
system	O
originally	O
written	O
for	O
Macintosh	B-Device
and	O
ported	O
to	O
the	O
Atari	B-Device
ST	I-Device
and	O
Apple	B-Device
IIGS	I-Device
computers	O
.	O
</s>
<s>
Sold	O
by	O
Megamax	O
,	O
Inc.	O
,	O
based	O
in	O
Richardson	O
,	O
Texas	O
,	O
the	O
package	O
includes	O
a	O
one-pass	B-Language
compiler	I-Language
,	O
linker	O
,	O
text	O
editor	O
,	O
resource	O
construction	O
kit	O
,	O
and	O
documentation	O
.	O
</s>
<s>
Megamax	B-Operating_System
C	I-Operating_System
was	O
written	O
by	O
Michael	O
Bunnell	O
with	O
Eric	O
Parker	O
providing	O
the	O
linker	O
and	O
most	O
of	O
the	O
standard	O
library	O
.	O
</s>
<s>
In	O
the	O
early	O
days	O
of	O
the	O
Atari	B-Device
ST	I-Device
,	O
Megamax	B-Operating_System
C	I-Operating_System
was	O
the	O
primary	O
competitor	O
to	O
the	O
Alcyon	O
C	O
compiler	O
from	O
Digital	O
Research	O
included	O
in	O
the	O
official	O
developer	O
kit	O
from	O
Atari	O
Corporation	O
,	O
and	O
the	O
documentation	O
covers	O
Atari-specific	O
features	O
.	O
</s>
<s>
The	O
ST	O
version	O
also	O
includes	O
the	O
source	O
code	O
and	O
assets	O
for	O
,	O
Megaroids	O
,	O
a	O
clone	O
of	O
the	O
Asteroids	B-Application
video	O
game	O
,	O
written	O
by	O
Mike	O
Bunnell	O
with	O
sound	O
effects	O
by	O
Mitch	O
Bunnell	O
.	O
</s>
<s>
On	O
both	O
the	O
Atari	B-Device
ST	I-Device
and	O
Macintosh	B-Device
,	O
the	O
size	O
of	O
a	O
compiled	O
module	O
is	O
limited	O
to	O
32K	O
of	O
code	O
,	O
and	O
arrays	O
have	O
the	O
same	O
32K	O
restriction	O
.	O
</s>
<s>
The	O
limitation	O
stems	O
from	O
a	O
requirement	O
on	O
the	O
Macintosh	B-Device
which	O
was	O
carried	O
over	O
to	O
the	O
Atari	O
.	O
</s>
<s>
This	O
is	O
despite	O
the	O
Motorola	B-Device
68000	I-Device
CPU	O
in	O
both	O
machines	O
having	O
a	O
24-bit	O
address	O
range	O
.	O
</s>
<s>
According	O
to	O
a	O
review	O
of	O
the	O
Atari	B-Device
ST	I-Device
version	O
in	O
Antic	O
by	O
Mike	O
Fleishman	O
,	O
Megamax	B-Operating_System
C	I-Operating_System
compiled	O
a	O
small	O
benchmark	O
program	O
six	O
times	O
faster	O
than	O
Digital	O
Research	O
's	O
compiler	O
.	O
</s>
<s>
In	O
a	O
comparison	O
of	O
C	O
compilers	O
for	O
the	O
Atari	B-Device
ST	I-Device
,	O
STart	O
magazine	O
wrote	O
,	O
"	O
For	O
a	O
development	O
compiler	O
,	O
Megamax	B-Operating_System
C	I-Operating_System
is	O
,	O
without	O
question	O
,	O
the	O
best	O
available	O
on	O
the	O
Atari	O
.	O
</s>
