<s>
The	O
IBM	B-Device
System/32	I-Device
(	O
IBM	B-Device
5320	I-Device
)	O
introduced	O
in	O
January	O
1975	O
was	O
a	O
midrange	B-Device
computer	I-Device
with	O
built-in	O
display	O
screen	O
,	O
disk	O
drives	O
,	O
printer	O
,	O
and	O
database	O
report	O
software	O
.	O
</s>
<s>
RPG	B-Language
II	I-Language
was	O
the	O
primary	O
programming	O
language	O
for	O
the	O
machine	O
.	O
</s>
<s>
The	O
16-bit	B-Device
single-user	O
System/32	B-Device
,	O
also	O
known	O
as	O
the	O
IBM	B-Device
5320	I-Device
,	O
was	O
introduced	O
in	O
1975	O
,	O
and	O
it	O
was	O
the	O
successor	O
to	O
the	O
IBM	B-Device
System/3	I-Device
model	O
6	O
in	O
the	O
IBM	B-Device
midrange	I-Device
computer	I-Device
line	O
.	O
</s>
<s>
Within	O
40	O
months	O
,	O
"	O
the	O
System/32	B-Device
had	O
surpassed	O
the	O
IBM	B-Device
System/3	I-Device
as	O
the	O
most	O
installed	O
IBM	O
computer.	O
"	O
</s>
<s>
The	O
computer	O
looked	O
like	O
a	O
large	O
office	O
desk	O
with	O
a	O
very	O
small	O
six-line	O
by	O
forty-character	O
display	O
and	O
a	O
keyboard	O
similar	O
to	O
an	O
IBM	O
keypunch	B-Device
.	O
</s>
<s>
Having	O
the	O
appearance	O
of	O
a	O
computerized	O
desk	O
,	O
the	O
System/32	B-Device
was	O
nicknamed	O
the	O
"	O
Bionic	O
Desk	O
"	O
after	O
The	O
Six	O
Million	O
Dollar	O
Man	O
(	O
bionic	O
man	O
)	O
,	O
a	O
popular	O
U.S.	O
TV	O
program	O
when	O
the	O
computer	O
was	O
introduced	O
in	O
1975	O
.	O
</s>
<s>
Migration	O
to	O
the	O
IBM	B-Device
System/34	I-Device
was	O
generally	O
simple	O
because	O
source	O
code	O
was	O
compatible	O
and	O
programs	O
just	O
needed	O
recompilation	O
.	O
</s>
<s>
The	O
System/32	B-Device
featured	O
a	O
16-bit	B-Device
processor	I-Device
with	O
a	O
200ns	O
cycle	O
time	O
known	O
as	O
the	O
Control	O
Storage	O
Processor	O
(	O
CSP	O
)	O
.	O
</s>
<s>
Whereas	O
the	O
System/3	B-Device
used	O
a	O
hardwired	O
processor	O
,	O
the	O
System/32	B-Device
implemented	O
the	O
System/3	B-Device
instruction	O
set	O
in	O
microcode	B-Device
.	O
</s>
<s>
The	O
System/32	B-Device
processor	O
utilized	O
a	O
vertical	O
microcode	B-Device
format	O
,	O
with	O
each	O
microinstruction	B-Device
occupying	O
16	B-Device
bits	I-Device
of	O
control	O
storage	O
.	O
</s>
<s>
There	O
were	O
19	O
different	O
microinstruction	B-Device
opcodes	O
,	O
however	O
certain	O
microinstructions	B-Device
could	O
carry	O
out	O
different	O
operations	O
depending	O
on	O
which	O
bits	O
were	O
set	O
in	O
the	O
rest	O
of	O
the	O
microinstruction	B-Device
,	O
with	O
the	O
result	O
that	O
there	O
were	O
about	O
70	O
distinct	O
operations	O
available	O
.	O
</s>
<s>
An	O
optional	O
set	O
of	O
Scientific	O
Macroinstructions	O
was	O
also	O
available	O
,	O
which	O
were	O
used	O
to	O
support	O
a	O
Fortran	B-Application
compiler	O
by	O
implementing	O
support	O
for	O
floating	B-Algorithm
point	I-Algorithm
arithmetic	I-Algorithm
in	O
microcode	B-Device
.	O
</s>
<s>
Some	O
IBM	O
engineers	O
,	O
including	O
Glenn	O
Henry	O
and	O
Frank	O
Soltis	O
,	O
have	O
retrospectively	O
described	O
the	O
System/32	B-Device
'	O
s	O
microcode	B-Device
as	O
resembling	O
a	O
RISC	B-Architecture
instruction	I-Architecture
set	I-Architecture
.	O
</s>
<s>
The	O
performance	O
of	O
the	O
System/3	B-Device
emulation	O
was	O
poor	O
,	O
which	O
led	O
IBM	O
to	O
implement	O
performance	O
critical	O
parts	O
of	O
the	O
SCP	O
operating	B-General_Concept
system	I-General_Concept
directly	O
in	O
microcode	B-Device
.	O
</s>
<s>
The	O
later	O
System/34	B-Device
and	O
System/36	B-Device
systems	O
addressed	O
this	O
problem	O
by	O
using	O
two	O
different	O
processors	O
-	O
the	O
System/32	B-Device
CSP	O
architecture	O
was	O
used	O
exclusively	O
for	O
operating	B-General_Concept
system	I-General_Concept
,	O
I/O	O
control	O
and	O
floating	B-Algorithm
point	I-Algorithm
code	O
,	O
whereas	O
user	O
code	O
ran	O
on	O
the	O
Main	O
Storage	O
Processor	O
(	O
MSP	O
)	O
which	O
implemented	O
the	O
System/3	B-Device
instruction	O
set	O
directly	O
in	O
hardware	O
without	O
microcode	B-Device
.	O
</s>
<s>
The	O
use	O
of	O
microcode	B-Device
to	O
implement	O
instruction	O
set	O
emulation	O
as	O
well	O
as	O
performance-critical	O
operating	B-General_Concept
system	I-General_Concept
components	O
had	O
some	O
influence	O
on	O
the	O
design	O
of	O
the	O
microcode	B-Device
layers	O
in	O
the	O
later	O
System/38	B-Device
.	O
</s>
<s>
A	O
single	O
hard	B-Device
drive	I-Device
was	O
available	O
in	O
one	O
of	O
three	O
sizes	O
:	O
</s>
<s>
The	O
system	O
included	O
an	O
eight-inch	O
floppy	B-Device
drive	I-Device
that	O
could	O
also	O
read	O
floppies	B-Device
from	O
the	O
IBM	O
3740	O
family	O
.	O
</s>
<s>
Only	O
one	O
side	O
of	O
the	O
77-track	O
floppy	B-Device
diskette	I-Device
was	O
used	O
.	O
</s>
<s>
Even	O
so	O
,	O
that	O
came	O
to	O
an	O
8-inch	B-Device
floppy	I-Device
holding	O
less	O
than	O
one	O
third	O
of	O
a	O
megabyte	O
.	O
</s>
<s>
When	O
keying	O
input	O
data	O
,	O
the	O
operator	O
would	O
be	O
viewing	O
the	O
character	O
display	O
,	O
which	O
was	O
also	O
common	O
to	O
the	O
then	O
current	O
IBM	O
3740	O
family	O
of	O
data	O
entry	O
to	O
floppy	B-Device
disk	I-Device
media	O
.	O
</s>
<s>
A	O
computer	O
specialist	O
was	O
not	O
required	O
for	O
the	O
operation	O
of	O
System/32	B-Device
.	O
</s>
<s>
Some	O
terms	O
associated	O
with	O
the	O
System/32	B-Device
'	O
s	O
software	O
include	O
:	O
</s>
<s>
SCP	O
(	O
System	O
Control	O
Program	O
)	O
the	O
operating	B-General_Concept
system	I-General_Concept
of	O
the	O
System/32	B-Device
.	O
</s>
<s>
#LIBRARY	O
(	O
the	O
directory	O
or	O
disk	B-Application
partition	I-Application
in	O
which	O
executable	O
code	O
was	O
stored	O
)	O
.	O
</s>
