<s>
Extended	B-Language
Color	I-Language
Basic	I-Language
is	O
an	O
update	O
to	O
the	O
Color	B-Language
BASIC	I-Language
interpreter	O
for	O
the	O
Radio	O
Shack/Tandy	O
TRS-80	O
Color	B-Device
Computer	I-Device
series	O
and	O
is	O
the	O
default	O
Basic	O
interpreter	O
,	O
for	O
the	O
Color	B-Device
Computer	I-Device
2	O
.	O
</s>
<s>
The	O
Color	B-Device
Computer	I-Device
Basic	O
implementations	O
are	O
somewhat	O
different	O
for	O
the	O
versions	O
of	O
Basic	O
which	O
come	O
with	O
the	O
other	O
family	O
of	O
TRS-80	B-Device
machines	O
,	O
namely	O
Basic	O
Levels	O
I	O
,	O
II	O
,	O
and	O
III	O
.	O
</s>
<s>
Modified	O
subsets	O
of	O
Color	B-Language
Basic	I-Language
may	O
be	O
found	O
on	O
many	O
of	O
the	O
Radio	O
Shack	O
PC	O
series	O
of	O
pocket	O
computers	O
(	O
PC-1	O
to	O
PC-4	O
by	O
Sharp	O
,	O
PC-5	O
,	O
PC-6	O
to	O
PC-8	O
by	O
Casio	O
)	O
of	O
the	O
era	O
.	O
</s>
<s>
Color	B-Language
Basic	I-Language
was	O
updated	O
again	O
for	O
the	O
Color	B-Device
Computer	I-Device
3	O
and	O
some	O
sources	O
refer	O
to	O
it	O
as	O
Enhanced	O
Color	B-Language
Basic	I-Language
.	O
</s>
<s>
A	O
version	O
containing	O
routines	O
for	O
disk	O
management	O
known	O
as	O
Disk	O
Color	B-Language
BASIC	I-Language
was	O
also	O
developed	O
for	O
these	O
machines	O
.	O
</s>
<s>
Updates	O
to	O
the	O
language	O
include	O
routines	O
such	O
as	O
Play	O
(	O
for	O
use	O
with	O
the	O
sound	O
facility	O
)	O
,	O
Draw	O
(	O
for	O
vector	O
graphics	O
and	O
other	O
things	O
with	O
lines	O
)	O
and	O
other	O
additions	O
as	O
well	O
as	O
undocumented	O
functions	O
such	O
as	O
those	O
inherited	O
originally	O
from	O
the	O
original	O
Color	B-Language
Basic	I-Language
to	O
work	O
with	O
the	O
semi-graphics	O
modes	O
.	O
</s>
<s>
A	O
fifth	O
programming	O
language	O
for	O
this	O
series	O
of	O
computers	O
is	O
the	O
Basic	O
interpreter	O
which	O
runs	O
on	O
the	O
Radio	O
Shack/Tandy	O
MC-10	B-Device
,	O
a	O
small	O
computer	O
marketed	O
beginning	O
in	O
1984	O
.	O
</s>
