<s>
The	O
SAPI-1	B-Device
was	O
a	O
computer	O
produced	O
in	O
the	O
former	O
Czechoslovakia	O
by	O
Tesla	O
since	O
1980	O
.	O
</s>
<s>
It	O
was	O
designed	O
by	O
Eduard	O
Smutný	O
(	O
hardware	O
)	O
and	O
his	O
brother	O
Tomáš	O
Smutný	O
(	O
software	O
)	O
,	O
and	O
based	O
on	O
the	O
Intel	O
8080/2MHz	O
clone	O
(	O
and	O
later	O
Z80	B-General_Concept
)	O
.	O
</s>
<s>
The	O
SAPI-1	B-Device
had	O
a	O
modular	O
construction	O
with	O
modules	O
:	O
</s>
<s>
RPD-1	O
-	O
floppy	B-Device
disk	I-Device
controller	O
,	O
due	O
to	O
its	O
complexity	O
(	O
discrete	O
glue	O
logic	O
)	O
was	O
built	O
on	O
two	O
boards	O
connected	O
by	O
cable	O
.	O
</s>
<s>
3	O
versions	O
of	O
SAPI-1	B-Device
were	O
produced	O
:	O
</s>
<s>
SAPI-1	B-Device
ZPS	O
1	O
(	O
základní	O
průmyslová	O
sestava	O
-	O
basic	O
industrial	O
set	O
)	O
:	O
</s>
<s>
SAPI-1	B-Device
ZPS	O
2	O
:	O
</s>
<s>
SAPI-1	B-Device
ZPS	O
3	O
:	O
</s>
<s>
ROM	O
contains	O
CP/M	O
booting	O
sequence	O
,	O
CP/M	O
is	O
booting	O
from	O
8	B-Device
"	I-Device
Shugart	B-Architecture
floppy	B-Device
disk	I-Device
drives	I-Device
.	O
</s>
<s>
The	O
"	O
Z	O
"	O
version	O
of	O
SAPI-1	B-Device
ZPS	O
3	O
used	O
Z80	B-General_Concept
processor	O
clone	O
instead	O
of	O
8080	B-General_Concept
clone	O
,	O
video	O
with	O
64	O
characters	O
per	O
line	O
instead	O
of	O
40	O
.	O
</s>
