<s>
It	O
was	O
an	O
offshoot	O
of	O
some	O
object-oriented	O
extensions	O
to	O
the	O
Forth	B-Application
language	I-Application
he	O
had	O
been	O
working	O
on	O
.	O
</s>
<s>
Actor	O
is	O
a	O
pure	O
object-oriented	O
language	O
in	O
the	O
style	O
of	O
Smalltalk	B-Application
.	O
</s>
<s>
Like	O
Smalltalk	B-Application
,	O
everything	O
is	O
an	O
object	O
,	O
including	O
small	O
integers	O
.	O
</s>
<s>
A	O
Baker	O
semi-space	O
garbage	B-General_Concept
collector	I-General_Concept
is	O
used	O
,	O
along	O
with	O
(	O
in	O
memory-constrained	O
Windows	O
2.1	O
days	O
)	O
a	O
software	O
virtual	O
memory	O
system	O
that	O
swaps	O
objects	O
.	O
</s>
<s>
A	O
token	O
threaded	O
interpreter	B-Application
,	O
written	O
in	O
16-bit	O
x86	B-Language
assembly	I-Language
language	I-Language
,	O
executes	O
compiled	O
code	O
.	O
</s>
<s>
This	O
allows	O
an	O
Actor	O
application	O
to	O
look	O
and	O
feel	O
exactly	O
like	O
a	O
Windows	O
application	O
written	O
in	O
C	O
,	O
but	O
with	O
all	O
the	O
advantages	O
of	O
an	O
interactive	O
Smalltalk-like	O
development	O
environment	O
.	O
</s>
