<s>
was	O
an	O
early	O
software	B-Application
emulation	I-Application
of	O
the	O
Commodore	O
64	O
computer	O
,	O
with	O
a	O
copyright	O
date	O
of	O
1988	O
for	O
version	O
2.0	O
.	O
</s>
<s>
The	O
name	O
most	O
likely	O
comes	O
from	O
the	O
ability	O
for	O
the	O
Commodore	B-Device
128	I-Device
computer	O
to	O
switch	O
to	O
a	O
hardware	O
emulation	B-Application
of	O
the	O
Commodore	O
64	O
by	O
typing	O
GO64	B-Device
at	O
the	O
BASIC	O
prompt	O
and	O
pressing	O
the	O
return	O
key	O
.	O
</s>
<s>
It	O
allowed	O
the	O
use	O
of	O
some	O
software	O
and	O
hardware	O
designed	O
for	O
Commodore	O
64	O
computers	O
on	O
Amiga	B-Device
computers	I-Device
.	O
</s>
<s>
It	O
required	O
a	O
minimum	O
of	O
512kb	O
of	O
RAM	B-Architecture
to	O
operate	O
,	O
but	O
1024kb	O
of	O
RAM	B-Architecture
was	O
required	O
to	O
make	O
use	O
of	O
all	O
features	O
.	O
</s>
<s>
If	O
a	O
68020	B-Device
CPU	I-Device
was	O
installed	O
,	O
it	O
could	O
operate	O
at	O
speeds	O
exceeding	O
the	O
speed	O
of	O
a	O
real	O
Commodore	O
64	O
,	O
according	O
to	O
the	O
developers	O
.	O
</s>
<s>
This	O
software	O
does	O
not	O
operate	O
on	O
versions	O
later	O
than	O
1.3	O
of	O
the	O
Amiga	B-Device
Kickstart	I-Device
,	O
and	O
so	O
does	O
not	O
operate	O
on	O
the	O
Amiga	B-Device
3000	I-Device
,	O
Amiga	B-Device
500	O
plus	O
,	O
Amiga	B-Device
600	I-Device
,	O
Amiga	B-Device
4000	I-Device
or	O
Amiga	B-Application
1200	I-Application
.	O
</s>
