<s>
openMSX	B-Application
is	O
a	O
free	B-Application
software	I-Application
emulator	B-Application
for	O
the	O
MSX	B-Operating_System
architecture	I-Operating_System
.	O
</s>
<s>
For	O
copyright	O
reasons	O
,	O
the	O
emulator	B-Application
cannot	O
be	O
distributed	O
with	O
original	O
MSX-BIOS	O
ROM	B-General_Concept
images	I-General_Concept
.	O
</s>
<s>
Instead	O
,	O
openMSX	B-Application
includes	O
C-BIOS	O
,	O
a	O
minimal	O
implementation	O
of	O
the	O
MSX	B-Operating_System
BIOS	O
,	O
allowing	O
some	O
games	O
to	O
be	O
played	O
without	O
the	O
original	O
ROM	B-General_Concept
image	I-General_Concept
.	O
</s>
<s>
OpenMSX	B-Application
emulates	B-Application
a	O
large	O
amount	O
of	O
MSX	B-Operating_System
systems	O
and	O
MSX	B-Operating_System
related	O
hardware	O
,	O
including	O
:	O
</s>
<s>
Also	O
some	O
computer	O
systems	O
similar	O
to	O
MSX	B-Operating_System
are	O
emulated	B-Application
,	O
like	O
the	O
SpectraVideo	O
SVI-318/328	O
,	O
ColecoVision	O
and	O
Sega	O
SG-1000	O
.	O
</s>
<s>
OpenMSX	B-Application
has	O
an	O
open	O
communication	O
protocol	O
to	O
communicate	O
with	O
the	O
openMSX	B-Application
emulator	B-Application
.	O
</s>
<s>
Utilizing	O
this	O
communication	O
protocol	O
enables	O
to	O
write	O
versatile	O
add-ons	O
for	O
openMSX	B-Application
.	O
</s>
<s>
Currently	O
Catapult	O
,	O
a	O
GUI	O
developed	O
for	O
the	O
emulator	B-Application
that	O
is	O
part	O
of	O
the	O
project	O
,	O
is	O
being	O
redeveloped	O
utilizing	O
Python	B-Language
and	O
the	O
Qt	B-Language
toolkit	I-Language
.	O
</s>
<s>
The	O
openMSX	B-Application
Debugger	O
is	O
also	O
under	O
development	O
,	O
written	O
in	O
C++	B-Language
,	O
also	O
utilizing	O
the	O
Qt	B-Language
Toolkit	I-Language
.	O
</s>
