<s>
The	O
Lambda	B-Device
8300	I-Device
was	O
a	O
Sinclair	B-Device
ZX81	I-Device
clone	I-Device
from	O
Lambda	O
Electronics	O
Limited	O
of	O
Hong	O
Kong	O
.	O
</s>
<s>
It	O
had	O
a	O
modified	O
ROM	O
(	O
including	O
extra	O
semigraphic	B-Data_Structure
characters	O
)	O
and	O
extra	O
hardware	O
,	O
making	O
it	O
not	O
fully	O
compatible	O
.	O
</s>
<s>
Total	O
compatibility	O
could	O
be	O
achieved	O
by	O
installing	O
a	O
ZX81	B-Language
ROM	O
.	O
</s>
<s>
It	O
came	O
with	O
2K	O
RAM	O
(	O
expandable	O
to	O
16K	O
or	O
32K	O
)	O
,	O
three	O
octave	O
single	O
voice	O
sound	O
(	O
generated	O
by	O
a	O
C4005	O
ULA	O
I/O	O
chip	O
)	O
and	O
an	O
Atari	B-Protocol
joystick	I-Protocol
port	I-Protocol
.	O
</s>
<s>
Specifically	O
,	O
it	O
used	O
a	O
NEC	B-General_Concept
D780C-1	I-General_Concept
(	O
Z80A	B-General_Concept
clone	O
)	O
microprocessor	O
at	O
3.25MHz	O
.	O
</s>
<s>
The	O
character	B-General_Concept
set	I-General_Concept
was	O
slightly	O
altered	O
from	O
the	O
ZX81	B-Language
,	O
replacing	O
some	O
symbols	O
with	O
game	O
graphics	O
(	O
see	O
below	O
)	O
.	O
</s>
<s>
BASIC	O
tokens	O
have	O
alternate	O
codings	O
,	O
preventing	O
100%	O
compatibility	O
with	O
the	O
ZX81	B-Language
.	O
</s>
<s>
Command	O
input	O
is	O
done	O
key	O
by	O
key	O
(	O
not	O
by	O
keyword	O
entry	O
like	O
on	O
the	O
ZX81	B-Language
)	O
.	O
</s>
<s>
The	O
Lambda	B-Device
8300	I-Device
can	O
be	O
emulated	O
on	O
modern	O
systems	O
using	O
,	O
for	O
example	O
,	O
the	O
EightyOne	O
Sinclair	O
Emulator	O
or	O
MAME	B-Device
.	O
</s>
<s>
The	O
character	B-General_Concept
set	I-General_Concept
was	O
slightly	O
altered	O
from	O
the	O
ZX81	B-Language
,	O
replacing	O
the	O
,,	O
?,	O
£	O
,	O
and	O
'	O
symbols	O
with	O
game	O
graphics	O
:	O
,	O
,	O
and	O
.	O
</s>
