<s>
The	O
SWTPC	B-Device
6800	I-Device
Computer	O
System	O
,	O
simply	O
referred	O
to	O
as	O
SWTPC	B-Device
6800	I-Device
,	O
is	O
an	O
early	O
microcomputer	B-Architecture
developed	O
by	O
the	O
Southwest	O
Technical	O
Products	O
Corporation	O
and	O
introduced	O
in	O
1975	O
.	O
</s>
<s>
Built	O
around	O
the	O
Motorola	B-Device
6800	I-Device
microprocessor	B-Architecture
from	O
which	O
it	O
gets	O
its	O
name	O
,	O
the	O
SWTPC	B-Device
6800	I-Device
was	O
one	O
of	O
the	O
first	O
microcomputers	B-Architecture
based	O
around	O
that	O
microprocessor	B-Architecture
.	O
</s>
<s>
It	O
is	O
the	O
progenitor	O
of	O
the	O
widely	O
used	O
and	O
broadly	O
supported	O
SS-50	B-Architecture
bus	I-Architecture
.	O
</s>
<s>
The	O
SWTPC	B-Device
6800	I-Device
became	O
one	O
of	O
the	O
most	O
popular	O
6800-based	O
systems	O
of	O
its	O
time	O
,	O
owing	O
to	O
its	O
ease	O
of	O
use	O
and	O
ample	O
documentation	O
.	O
</s>
<s>
Though	O
rudimentary	O
,	O
the	O
MIKBUG	B-Device
resident	B-Application
monitor	I-Application
built	O
into	O
ROM	B-Device
allows	O
the	O
immediate	O
entry	O
of	O
program	O
data	O
after	O
power-up	O
,	O
as	O
opposed	O
to	O
other	O
microcomputers	B-Architecture
of	O
its	O
day	O
which	O
required	O
bootstrapping	B-Application
such	O
software	O
.	O
</s>
<s>
Southwest	O
Technical	O
Products	O
introduced	O
the	O
SWTPC	B-Device
6800	I-Device
in	O
November	O
1975	O
for	O
US$450	O
(	O
)	O
in	O
kit	O
form	O
only	O
.	O
</s>
<s>
Any	O
contemporary	O
ASCII	O
terminal	B-General_Concept
can	O
be	O
used	O
to	O
interface	O
with	O
the	O
SWTPC	B-Device
6800	I-Device
.	O
</s>
<s>
SWTPC	O
sold	O
their	O
own	O
television-set-based	O
terminal	B-General_Concept
,	O
for	O
$275	O
;	O
a	O
crude	O
dot-matrix	O
printer	O
was	O
another	O
optional	O
accessory	O
,	O
for	O
$250	O
.	O
</s>
<s>
All	O
four	O
replaced	O
the	O
Motorola	B-Device
6800	I-Device
processor	O
of	O
the	O
original	O
with	O
its	O
successor	O
the	O
6809	B-Device
.	O
</s>
<s>
The	O
SWTPC	B-Device
6800	I-Device
can	O
be	O
converted	O
to	O
a	O
S/09	O
with	O
a	O
system	O
board	O
kit	O
sold	O
by	O
Southwest	O
Technical	O
Products	O
,	O
which	O
is	O
also	O
compatible	O
with	O
existing	O
6800	O
peripherals	O
and	O
cards	O
;	O
while	O
the	O
69/K	O
,	O
69/A	O
,	O
and	O
69/56	O
features	O
a	O
redesigned	O
system	O
board	O
and	O
chassis	O
that	O
is	O
incompatible	O
with	O
the	O
6800	O
.	O
</s>
<s>
The	O
69/K	O
was	O
sold	O
as	O
a	O
kit	O
,	O
while	O
the	O
69/A	O
and	O
69/56	O
came	O
pre-assembled	O
(	O
the	O
latter	O
featuring	O
56KB	O
of	O
RAM	B-Architecture
as	O
opposed	O
to	O
the	O
69/A	O
'	O
s	O
8KB	O
)	O
.	O
</s>
