<s>
The	O
Expert	O
Cartridge	B-Protocol
from	O
the	O
UK	O
company	O
Trilogic	O
was	O
a	O
popular	O
extension	O
cartridge	B-Protocol
which	O
was	O
introduced	O
in	O
mid-1986	O
for	O
the	O
Commodore	O
64	O
and	O
a	O
later	O
Commodore	B-Device
128	I-Device
compatible	O
version	O
,	O
It	O
offered	O
a	O
fast	O
loader	O
,	O
increasing	O
the	O
speeds	O
of	O
the	O
disk	O
drive	O
,	O
and	O
a	O
freezer	O
,	O
allowing	O
the	O
program	O
execution	O
to	O
be	O
stopped	O
to	O
be	O
resumed	O
later	O
.	O
</s>
<s>
Later	O
Cat	O
&	O
Korsh	O
International	O
took	O
over	O
the	O
distribution	O
and	O
the	O
Trilogic	O
name	O
disappeared	O
from	O
the	O
cartridge	B-Protocol
.	O
</s>
<s>
A	O
major	O
difference	O
to	O
the	O
other	O
two	O
The	B-Device
Final	I-Device
Cartridge	I-Device
III	I-Device
and	O
Action	B-Device
Replay	I-Device
is	O
that	O
it	O
held	O
its	O
system	O
software	O
in	O
an	O
8	O
kB	O
RAM	O
that	O
could	O
be	O
reprogrammed	O
.	O
</s>
<s>
The	O
author	O
of	O
the	O
Expert	O
Cartridge	B-Protocol
default	O
firmware	B-Application
is	O
John	O
Twiddy	O
who	O
also	O
programmed	O
The	B-Application
Last	I-Application
Ninja	I-Application
for	O
the	O
Commodore	O
64	O
.	O
</s>
