<s>
Amiga	B-Device
emulation	I-Device
refers	O
to	O
the	O
activity	O
of	O
emulating	B-Application
a	O
Commodore	B-Device
Amiga	I-Device
computer	O
system	O
using	O
another	O
computer	B-Device
platform	I-Device
.	O
</s>
<s>
Most	O
emulators	B-Application
run	O
on	O
modern	O
systems	O
such	O
as	O
Microsoft	B-Application
Windows	I-Application
or	O
Macintosh	B-Device
.	O
</s>
<s>
This	O
allows	O
Amiga	B-Device
users	O
to	O
use	O
their	O
existing	O
software	O
,	O
and	O
in	O
some	O
cases	O
hardware	O
,	O
on	O
modern	O
computers	O
.	O
</s>
<s>
Attempts	O
have	O
also	O
been	O
made	O
to	O
create	O
a	O
hardware	O
Amiga	B-Device
emulator	B-Application
on	O
FPGA	B-Architecture
chips	O
(	O
Minimig	O
)	O
.	O
</s>
<s>
One	O
of	O
the	O
most	O
challenging	O
aspects	O
of	O
emulating	B-Application
the	O
Amiga	B-Device
architecture	O
is	O
the	O
custom	B-Device
chipset	I-Device
which	O
relies	O
on	O
critical	O
cycle-exact	O
emulation	B-Application
.	O
</s>
<s>
As	O
a	O
result	O
,	O
early	O
emulators	B-Application
did	O
not	O
always	O
achieve	O
the	O
intended	O
results	O
;	O
later	O
emulator	B-Application
versions	O
can	O
accurately	O
reproduce	O
the	O
behavior	O
of	O
Amiga	B-Device
systems	O
.	O
</s>
<s>
An	O
actively	O
developed	O
emulator	B-Application
capable	O
of	O
emulating	B-Application
all	O
the	O
common	O
Amiga	B-Device
configurations	O
.	O
</s>
<s>
Although	O
the	O
name	O
varies	O
,	O
this	O
emulator	B-Application
exists	O
for	O
Windows	O
,	O
Macintosh	B-Device
,	O
RISC	B-Operating_System
OS	I-Operating_System
,	O
Linux	O
,	O
Unix	O
and	O
other	O
systems	O
,	O
including	O
the	O
Amiga	B-Device
itself	O
.	O
</s>
<s>
It	O
is	O
capable	O
of	O
emulating	B-Application
a	O
68K	O
Amiga	B-Device
,	O
including	O
undocumented	O
behavior	O
,	O
with	O
OCS	B-Device
and/or	O
AGA	B-Device
chipsets	O
and	O
modern	O
graphics	O
and	O
audio	O
subsystems	O
,	O
including	O
true	O
colour	O
graphic	O
libraries	O
and	O
Amiga	B-Library
AHI	I-Library
16	O
bit	O
audio	O
subsystem	O
.	O
</s>
<s>
Amiga	B-Device
emulation	I-Device
software	O
is	O
legal	O
by	O
itself	O
.	O
</s>
<s>
However	O
,	O
a	O
copy	O
of	O
a	O
Kickstart	O
ROM	O
from	O
a	O
real	O
Amiga	B-Device
is	O
required	O
for	O
legal	O
use	O
,	O
which	O
is	O
still	O
protected	O
under	O
copyright	O
laws	O
.	O
</s>
<s>
The	O
Workbench	O
software	O
and	O
many	O
other	O
programs	O
and	O
games	O
are	O
also	O
copyrighted	O
and	O
illegal	O
to	O
download	O
,	O
although	O
there	O
are	O
a	O
number	O
of	O
recognized	O
sites	O
which	O
offer	O
free	O
legal	O
downloads	O
of	O
Amiga	B-Device
games	O
.	O
</s>
<s>
The	O
Amiga	B-Application
Forever	I-Application
emulation	B-Application
package	O
offers	O
legal	O
copies	O
of	O
Kickstart	O
,	O
Workbench	O
and	O
various	O
games	O
.	O
</s>
<s>
Another	O
legal	O
option	O
for	O
Amiga	B-Device
emulation	I-Device
is	O
the	O
AROS	B-Application
Research	I-Application
Operating	I-Application
System	I-Application
,	O
which	O
is	O
available	O
as	O
free	B-Application
software	I-Application
.	O
</s>
<s>
An	O
AROS	B-Application
boot	O
ROM	O
can	O
be	O
used	O
instead	O
of	O
Kickstart	O
,	O
which	O
allows	O
booting	O
the	O
m68k	O
port	O
of	O
AROS	B-Application
from	O
a	O
floppy	O
or	O
CD	O
image	O
.	O
</s>
