<s>
Snes9x	B-Operating_System
is	O
a	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
emulator	O
with	O
official	O
ports	O
for	O
MS-DOS	B-Application
,	O
Linux	B-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
AmigaOS	B-Application
4	I-Application
,	O
macOS	B-Application
,	O
MorphOS	B-Operating_System
,	O
Xbox	B-Operating_System
,	O
PSP	B-Operating_System
,	O
PS3	B-Operating_System
,	O
GameCube	B-Application
,	O
Wii	B-Operating_System
,	O
iOS	B-Application
,	O
and	O
Android	B-Application
.	O
</s>
<s>
Windows	B-Operating_System
RT	I-Operating_System
and	O
Windows	O
Phone	O
8	O
have	O
an	O
unofficial	O
port	O
named	O
Snes8x	O
.	O
</s>
<s>
Development	O
of	O
Snes9x	B-Operating_System
began	O
in	O
July	O
1997	O
when	O
Snes96	B-Operating_System
's	O
Gary	O
Henderson	O
and	O
Snes97	B-Operating_System
's	O
Jerremy	O
Koot	O
merged	O
their	O
respective	O
emulators	O
to	O
create	O
Snes9x	B-Operating_System
.	O
</s>
<s>
Snes9x	B-Operating_System
was	O
among	O
the	O
first	O
to	O
emulate	O
most	O
SNES	B-General_Concept
enhancement	I-General_Concept
chips	I-General_Concept
at	O
some	O
level	O
.	O
</s>
<s>
In	O
version	O
1.53	O
,	O
it	O
added	O
support	O
for	O
Cg	B-Language
shaders	O
.	O
</s>
<s>
The	O
emulator	O
PocketSNES	O
for	O
Pocket	O
PCs	O
is	O
based	O
on	O
Snes9X	B-Operating_System
.	O
</s>
<s>
There	O
is	O
also	O
an	O
unofficial	O
Snes9x	B-Operating_System
port	O
compiled	O
with	O
Emscripten	B-Language
which	O
runs	O
inside	O
a	O
web	O
browser	O
.	O
</s>
<s>
The	O
source	O
code	O
of	O
Snes9x	B-Operating_System
is	O
publicly	B-License
available	I-License
,	O
but	O
the	O
license	B-License
prohibits	O
its	O
commercial	O
use	O
.	O
</s>
<s>
In	O
2005	O
,	O
Retro	O
Gamer	O
called	O
Snes9x	B-Operating_System
"	O
the	O
best	O
SNES	B-Application
emulator	O
available	O
"	O
.	O
</s>
