<s>
BSAVE	B-Protocol
and	O
BLOAD	B-Protocol
are	O
commands	O
in	O
many	O
varieties	O
of	O
the	O
BASIC	O
programming	O
language	O
.	O
</s>
<s>
BSAVE	B-Protocol
copies	O
RAM	B-Architecture
to	O
a	O
binary	O
file	O
,	O
and	O
BLOAD	B-Protocol
copies	O
the	O
contents	O
of	O
the	O
file	O
to	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
term	O
"	O
BSAVE	B-Protocol
image	O
"	O
could	O
mean	O
any	O
of	O
various	O
raw	B-Application
image	I-Application
formats	I-Application
of	O
video	B-General_Concept
display	I-General_Concept
controllers	I-General_Concept
,	O
or	O
more	O
generally	O
any	O
file	O
containing	O
the	O
raw	O
contents	O
of	O
a	O
section	O
of	O
memory	O
.	O
</s>
<s>
Some	O
platforms	O
provided	O
a	O
BRUN	O
command	O
that	O
,	O
after	O
loading	O
the	O
file	O
into	O
memory	O
,	O
would	O
immediately	O
attempt	O
to	O
execute	B-General_Concept
it	O
as	O
machine	B-Language
code	I-Language
.	O
</s>
<s>
BSAVE	B-Protocol
files	O
were	O
in	O
general	O
use	O
as	O
a	O
file	O
format	O
when	O
the	O
IBM	B-Device
PC	I-Device
was	O
introduced	O
.	O
</s>
<s>
It	O
was	O
also	O
in	O
general	O
use	O
on	O
the	O
Apple	B-Device
II	I-Device
in	O
the	O
same	O
time	O
period	O
.	O
</s>
<s>
Although	O
the	O
commands	O
were	O
available	O
on	O
the	O
Commodore	B-Device
PET	I-Device
line	O
,	O
they	O
were	O
removed	O
from	O
the	O
later	O
(	O
and	O
more	O
popular	O
)	O
Commodore	O
64	O
and	O
VIC-20	O
computers	O
.	O
</s>
<s>
In	O
1985	O
the	O
Commodore	B-Device
128	I-Device
was	O
released	O
with	O
Commodore	B-Language
BASIC	I-Language
version	O
6.9	O
which	O
restored	O
the	O
BSAVE	B-Protocol
and	O
BLOAD	B-Protocol
commands	O
.	O
</s>
<s>
Some	O
versions	O
of	O
BASIC	O
for	O
home	O
computers	O
in	O
the	O
late	O
1970s	O
and	O
early	O
1980s	O
include	O
the	O
command	O
BSAVE	B-Protocol
(	O
for	O
"	O
Binary	O
Save	O
"	O
)	O
and	O
the	O
complementary	O
BLOAD	B-Protocol
(	O
"	O
Binary	O
Load	O
"	O
)	O
.	O
</s>
<s>
Using	O
the	O
BSAVE	B-Protocol
command	O
,	O
a	O
block	O
of	O
memory	O
at	O
a	O
given	O
address	O
with	O
a	O
specified	O
length	O
can	O
be	O
written	O
to	O
disk	O
as	O
a	O
file	O
.	O
</s>
<s>
This	O
file	O
can	O
then	O
be	O
reloaded	O
into	O
memory	O
via	O
BLOAD	B-Protocol
.	O
</s>
<s>
Microsoft	O
produced	O
the	O
BASIC	O
interpreters	O
that	O
were	O
bundled	O
with	O
the	O
Apple	B-Device
II	I-Device
(	O
1977	O
)	O
,	O
Commodore	B-Device
PET	I-Device
(	O
1977	O
)	O
,	O
and	O
IBM	B-Device
PC	I-Device
(	O
1981	O
)	O
which	O
included	O
BSAVE	B-Protocol
and	O
BLOAD	B-Protocol
.	O
</s>
<s>
A	O
BSAVE	B-Protocol
command	O
is	O
also	O
part	O
of	O
ASCII	O
's	O
MSX-DOS2	O
Tools	O
for	O
MSX-DOS	B-Operating_System
version	O
2	O
.	O
</s>
<s>
On	O
the	O
Color	B-Device
Computer	I-Device
's	O
ColorBASIC	O
,	O
those	O
were	O
named	O
SAVEM	O
and	O
LOADM	O
instead	O
,	O
with	O
the	O
M	O
referring	O
to	O
machine	B-Language
code	I-Language
,	O
showing	O
that	O
the	O
primary	O
intent	O
was	O
to	O
load	O
programs	O
rather	O
than	O
data	O
;	O
the	O
use	O
of	O
the	O
B	O
prefix	O
to	O
refer	O
to	O
binary	O
indicates	O
a	O
broader	O
view	O
of	O
the	O
possible	O
uses	O
of	O
the	O
command	O
.	O
</s>
<s>
ColorBASIC	O
uses	O
a	O
different	O
format	O
than	O
GWBASIC	B-Language
.	O
</s>
<s>
LOADM	O
supports	O
multipart	O
content	O
to	O
be	O
loaded	O
in	O
different	O
places	O
in	O
RAM	B-Architecture
,	O
which	O
some	O
programs	O
do	O
use	O
,	O
even	O
though	O
SAVEM	O
supports	O
only	O
saving	O
one	O
part	O
.	O
</s>
<s>
The	O
BSAVED	O
format	O
is	O
a	O
device-dependent	O
raster	B-Algorithm
image	I-Algorithm
format	I-Algorithm
;	O
the	O
file	O
header	O
sometimes	O
stores	O
information	O
about	O
the	O
display	O
hardware	O
address	O
,	O
and	O
the	O
size	O
of	O
the	O
graphics	O
data	O
.	O
</s>
