1. 1 Introduction
UPCC
1.1.4
UPCC Software Components
• UPCC
Host
Access
Software:
This
software
package, which runs under
MS-DOS
Release
3.2
or
PC-DOS
Rel.
3.2,
is
part
of
the
UPCC base
system.
UPCC
Host
Access
Soft-
ware contains the elements needed
to
support the WLOC board connec-
tion
to
the VS system.
• VS Communications Access
Soft-
ware: This package comprises the
access
software
necessary
to
es-
tablish the
link
between the VS sys-
tem
and
the UPCC. Included
in
this
package are
the
Link Verification
Tools. These tools
test
communica-
tions between
the
VS system
and
the
UPCC, the
PC
workstation
and
the UPCC,
and
the
PC
workstation
and
the VS.
• VS-UPCC
Software
Development
Tools: This package contains pro-
grams
and
subroutines
that
assist
programmers who develop VS-based
applications
that
communicate with
a remote system connected
to
the
VS
via
the UPCC.
The
UPCC Appli-
cation Interface (UAI), which is
part
of
the
' 'tools'' package, consists of
subroutines
that
enable program-
mers to develop applications
in
the
VS environment. Also included
in
the
"tools"
package
are
the
Workstatioin-UAI subroutines
that
allow
PC
workstations
to
establish a
logical connection
to
the foreign host
system attached
to
the
VS
via
the
functions of
the
foreign terminal de-
vices: e.g., interactive transaction
processing
and
data
entry
opera-
tions.
The
software
development
tools package also contains
the
In-
teractive
Test
Drivers, Trace Utili-
ties,
and
Debug Utilities.
• General Terminal Emulation Kernel
(GTEK):
The
GTEK, which comprises
VS-GTEK
and
PC-GTEK, establishes
an
environment
in
which program-
mers can design workstation micro-
code
to
control
VS work
stations
while running
terminal
emulation.
GTEK
can
support many terminal de-
vices,
and
interacts
with
the
VS
Communications Access
Software
to
establish
the
logical
attachment
of
terminal devices
to
the
foreign
host
system
that
is
connected
to
the
VS computer
via
the UPCC.
e
END
741-1859
Page
1-5
COMPANY
CONFIDENTIAL
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