<s>
BDS	B-Application
C	I-Application
(	O
or	O
the	O
BD	O
Software	O
C	B-Language
Compiler	B-Language
)	O
is	O
a	O
compiler	B-Language
for	O
a	O
sizeable	O
subset	O
of	O
the	O
C	B-Language
programming	I-Language
language	I-Language
,	O
that	O
ran	O
on	O
and	O
generated	O
code	O
for	O
the	O
Intel	B-General_Concept
8080	I-General_Concept
and	O
Zilog	B-General_Concept
Z80	I-General_Concept
processors	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
C	B-Language
compiler	B-Language
for	O
CP/M	B-Application
.	O
</s>
<s>
BDS	B-Application
C	I-Application
was	O
popular	O
and	O
influential	O
among	O
CP/M	B-Application
users	O
and	O
developers	O
.	O
</s>
<s>
It	O
ran	O
much	O
faster	O
than	O
other	O
Z80-hosted	O
compilers	B-Language
.	O
</s>
<s>
It	O
was	O
possible	O
to	O
run	O
BDS	B-Application
C	I-Application
on	O
single-floppy	O
machines	O
with	O
as	O
little	O
as	O
30K	O
of	O
RAM	B-Architecture
in	O
comparison	O
to	O
most	O
other	O
commercial	O
compilers	B-Language
which	O
required	O
many	O
passes	O
and	O
the	O
writing	O
of	O
intermediate	O
files	O
to	O
disk	O
.	O
</s>
<s>
Weak	O
points	O
of	O
BDS	B-Application
C	I-Application
were	O
that	O
the	O
floating	B-Algorithm
point	I-Algorithm
math	I-Algorithm
routines	O
and	O
the	O
file	O
access	O
functions	O
were	O
incompatible	O
with	O
the	O
C	B-Language
compiler	B-Language
used	O
on	O
UNIX	O
,	O
and	O
that	O
its	O
relocatable	O
object	O
files	O
were	O
incompatible	O
with	O
the	O
Microsoft	B-Device
MACRO-80	I-Device
assembler	I-Device
,	O
making	O
it	O
more	O
difficult	O
to	O
integrate	O
C	B-Language
code	O
with	O
assembly	B-Language
language	I-Language
.	O
</s>
<s>
BDS	B-Application
C	I-Application
was	O
bundled	O
with	O
a	O
subset	O
of	O
the	O
Unix	O
system	O
written	O
in	O
about	O
1980	O
,	O
called	O
MARC	O
(	O
Machine	O
Assisted	O
Resource	O
Coordinator	O
)	O
.	O
</s>
<s>
This	O
effort	O
in	O
some	O
ways	O
resembled	O
GNU	B-Operating_System
,	O
though	O
MARC	O
was	O
to	O
be	O
able	O
to	O
run	O
CP/M	B-Application
software	O
through	O
emulation	B-Application
.	O
</s>
<s>
In	O
2002	O
,	O
Leor	O
Zolman	O
released	O
the	O
8080	B-General_Concept
assembly	B-Language
language	I-Language
source	O
code	O
for	O
BDS	B-Application
C	I-Application
into	O
the	O
public	B-Application
domain	I-Application
.	O
</s>
<s>
A	O
number	O
of	O
commercial	O
CP/M	B-Application
products	O
were	O
written	O
in	O
the	O
BDS	B-Application
C	I-Application
subset	O
of	O
the	O
C	B-Language
language	I-Language
,	O
including	O
PeachText	B-Application
from	O
PeachTree	O
Software	O
,	O
MINCE	B-Operating_System
and	O
Scribble	O
from	O
Mark	O
of	O
the	O
Unicorn	O
,	O
and	O
most	O
of	O
the	O
software	O
in	O
the	O
Perfect	O
Software	O
suite	O
including	O
Perfect	B-Operating_System
Writer	I-Operating_System
,	O
PerfectCalc	O
,	O
PerfectSpeller	O
,	O
and	O
PerfectFiler	O
(	O
which	O
suite	O
was	O
bundled	O
with	O
the	O
Kaypro	O
)	O
.	O
</s>
