Software Product Description
PRODUCT NAME: PDP-11 BASIC-PLUS-2/VAX, Version 1.0
BASIC is a conversational programming language de-
veloped at Dartmouth College that uses simple En-
glish-like statements and familiar math notations to
The BASIC-PLUS-2 language is a superset of Dart-
mouth BASIC. In addition to the elementary BASIC
statements, BASIC-PLUS-2 also features:
• Terminal-format files
• Virtual arrays
• RMS Record I/O
• Extensive string support
• Full matrix package
• Long variable names
• ON ERROR condition handlers
• Statement modifiers: IF, WHILE, UNLESS, FOR
• User-defined functions
• Multi-statement lines
• Multi-line statements
• Program segmentation: SUB, CALL, CHAIN, COM-
• External subprograms
BASIC-PLUS-2 uses the full ASCII character set for
The BASIC-PLUS-2 language processor is composed
of a compiler and an Object-Time System/Library.
The BASIC-PLUS-2 compiler produces an object
module from a source program. The compiler checks
each program line for syntax errors and returns an
appropriate message if an error is found. The user
can then correct the program (if necessary) and com-
pile it. Program compilations result in an object mod-
ule that can be linked and executed at the operating
system command level. BASIC-PLUS-2 provides a
traceback mechanism that traces the path of program
execution when an error occurs in a function or su-
The BASIC-PLUS-2 Object-Time System/Library con-
tains the following runtime routines:
• Math routines which include library functions and
• Routines to handle dynamic allocation of string
storage and I/O buffers
• Routines to handle input/output operations
• Error handling routines to process errors in arith-
metic, I/O and system operations
BASIC-PLUS-2 allows the user to write subprograms
and insert them into OTS or user libraries. These
subprograms can be written in BASIC-PLUS-2 or in
MACRO assembly language, and are accessed by the
CALL statement. Furthermore, BASIC-PLUS-2 pro-
grams can access any system library routines that
utilize the FORTRAN calling sequence.
BASIC-PLUS-2 Record I/O operations are controlled
with the Record Management input/output system. It
provides sequential, relative, and indexed file or-
ganizations. Features also include primary and alter-
nate keys, fixed and variable length records, and rec-
MINIMUM HARDWARE REQUIRED:
Any valid VAX/ VMS system configuration.
VAX/VMS Operating System, Version 1 or later.
A — Software Support will be provided as stated in
the Software Support Categories Addendum to this
Software Updates, if any, released by DIGITAL during
the one (1) year period following installation, will be
provided to the customer for a media charge
(includes no installation). After the first year, updates,
if any, will be made available according to then pre-
vailing DIGITAL policies.
All binary licensed software, including any subse-
quent updates, is furnished under the licensing provi-
sions of DIGITAL'S Standard Terms and Conditions of
Sale, which provide in part that the software and any
part thereof may be used on only the single CPU on
PDP-11 BASIC-PLUS-2/VAX, Version 1.0
which the software is first installed, and may be cop-
ied, in whole or in part (with the proper inclusion of
the DIGITAL copyright notice and any DIGITAL
proprietary notices on the software) only for use on
such CPU. All source licensed software is furnished
only under the terms and conditions of a separate
Software Program Sources Agreement between Pur-
chaser and DIGITAL.
Standard options with no support services are only
available after the purchase of one supported license.
When a software license is ordered without support
services, the category of support applicable to such
software is Category C.
A single-use license only option is a license to copy
the software previously obtained under license, and
use such software in accordance with DIGITAL'S
Standard Terms and Conditions of Sale. The category
of support applicable to such copied software is Cate-
The product is available only on the floppy diskette
QE102-AY Single-use license, binaries, documenta-
tion, support services.
QE102-CY Single-use license, binaries, documenta-
tion, no support services.
QE102-DZ Single-use license only, no binaries, no
documentation, no support services
SOFTWARE SUPPORT CATEGORIES
Each software product (hereinafter 'SOFTWARE') with a designated Support Category A or B in the applicable Software Product
Description (SPD) existing at the time of order will be the current release at the time of delivery and will conform to the SPD.
DIGITAL'S sole obligation shall be to correct defects (nonconformance of the SOFTWARE to the SPD) as described below. Any
SOFTWARE with a designated Support Category C will be furnished on an 'as is' basis.
For SOFTWARE with a designated Support Category A or B, DIGITAL will provide the services set forth below without additional
1. Upon notification by customer to the nearest DIGITAL office that the computer system, including all required prerequisite
hardware and software, is ready for the installation of the SOFTWARE, DIGITAL will install such SOFTWARE in any location
within the contiguous forty-eight (48) United States, the District of Columbia, or a country in which DIGITAL or a subsidiary
of DIGITAL has a software service facility. The notification must be received by DIGITAL and the system must be ready for
installation within thirty (30) days after the delivery of the SOFTWARE to customer or DIGITAL will have no obligation to
install. Installation will consist of: (1) verification that all components of the SOFTWARE have been received by customer, (2)
loading the SOFTWARE, and (3) executing a DIGITAL sample procedure.
2. During the ninety (90) day period after installation, if the customer encounters a problem with the current unaltered release
of the SOFTWARE which DIGITAL determines to be a defect in the SOFTWARE, DIGITAL will provide the following remedial
service (on site where necessary): (1) if the SOFTWARE is inoperable, apply a temporary correction (TC) or make a
reasonable attempt to develop an emergency by-pass, and (2) assist the customer to prepare a Software Performance
Report (SPR) and submit it to DIGITAL.
3. During the one (1) year period following installation, if the customer encounters a problem with the SOFTWARE which his
diagnosis indicates is caused by a SOFTWARE defect, the customer may submit an SPR to DIGITAL. DIGITAL will respond
to problems reported in SPRs which are caused by defects in the current unaltered release of the SOFTWARE via the
Maintenance Periodical for the SOFTWARE, which reports SPRs received, code corrections, temporary corrections, generally
useful emergency by-passes and/or notice of the availability of corrected code. Software Updates, if any, released by
DIGITAL during the one (1) year period, will be provided to the customer on DIGITAL'S standard distribution media as
specified in the applicable SPD. The customer will be charged only for the media on which such updates are provided,
unless otherwise stated in the applicable SPD, at DIGITAL'S then current media prices.
During the one (1) year period following delivery, the services provided to the customer will be the same as set forth in 3 above.
SOFTWARE is provided on an 'as is' basis. Any software services, if available, will be provided at the then current charges.
DIGITAL shall have the right to make additional charges for any additional effort required to provide services resulting from
customer use of other than current unaltered release of the SOFTWARE operated in accordance with the SPD.