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1987-09-10
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Wednesday, Sep 9, 1987
BORLAND CELEBRATES FOURTH ANNIVERSARY OF TURBO PASCAL;
VERSION 4.0 BREAKS 64K BARRIER, EXTENDS DEVELOPMENT HORIZONS
BETHESDA, Md.--More than 750,000 users of Turbo Pascal can
now compile programs faster and build larger programs with Turbo
Pascal 4.0. With version 4.0, Turbo Pascal goes beyond the 64K
barrier on program size. The new package offers compile speeds
of 27,000 lines per minute on an 8 MHz AT and separate
compilation using units. With Turbo Pascal 4.0's speed,
permissible program size and separate compilation, developers can
handle a new range of complex applications.
Borland International President Philippe Kahn will unveil
Turbo Pascal 4.0 to members of the Capital PC Users Group this
evening at the group's general meeting in Bethesda, Maryland.
(Founded in 1982, the Capital PC Users Group has 5,500 members.)
Turbo Pascal, and its companion developer's library containing
the full complement of Turbo Pascal Toolboxes, will be available
beginning in October.
---MORE---
PAGE 2
"Turbo Pascal 4.0 is a language that programmers can start
with and stay with for complex applications development," said
Kahn. Additional features of the new version include better code
generation, a device-independent graphics system, a command-line
version of the compiler, interactive error detection and
location, and the trademark Borland integrated development
environment with pull-down menus and built-in editor. Turbo
Pascal 4.0 supports the Jensen and Wirth standard data types.
With Turbo Pascal's support of .OBJ files, separate
compilation via units and smart linking, Borland paves the way
for future OS/2 products. The hallmarks of a modern compiler,
these features will allow users to make a smooth transition to
the new operating system.
Turbo Pascal 4.0 will retain the product's current price of
$99.95. Borland will continue to support development teams
currently using Turbo Pascal 3.0 by offering that version at a
reduced price of $69.95. Version 4.0 will be available through
distributors and dealers worldwide, while Turbo Pascal 3.0 will
be available direct from Borland. As part of a special offer,
registered Turbo Pascal owners can upgrade to version 4.0 for
$39.95 plus $5 shipping and handling until November 30, 1987. The
upgrade is available direct from Borland, and will include
version 4.0 software and the product's new manual.
As part of the special offer, the entire Developer's Library
will be available direct form Borland to registered owners of
Turbo Pascal or the Turbo Pascal Toolboxes. The Turbo Pascal 4.0
---MORE---
PAGE 3
Developer's Library includes Turbo Pascal 4.0 versions of the
Turbo Tutor, and Turbo Pascal Database, Editor, Numerical
Methods, Graphix and Gameworks Toolboxes. A retail value of over
$550, the entire library will be available direct from Borland
for $150 until November 30, 1987. Borland will also extend a
special price for the Turbo Pascal 4.0 Developer's Library, to be
available through retail channels at $395.
Turbo Pascal 4.0 for the IBM family of personal computers
and IBM compatibles requires 256K for the command-line verison
of the compiler (384K for the integrated environment version) and
PC/MS-DOS v. 2.0 or later.
Borland International, Inc., located in Scotts Valley,
Calif., was founded in 1983 to develop and market microcomputer
software products that match power with ease of learning and use.
Today the company offers a wide range of business applications
and developer's tools, including Turbo Pascal, Turbo Prolog,
Turbo Basic and Turbo C.
---END---
Turbo Pascal, Turbo Tutor, Turbo Database Toolbox, Turbo
Editor Toolbox and Turbo Graphix Toolbox are registered
trademarks and Turbo Numerical Methods Toolbox and Turbo
Gameworks Toolbox are trademarks of Borland International, Inc.
TURBO PASCAL 4.0
PRODUCT BACKGROUND
The current version of Turbo Pascal is the fourth generation
of Borland International's flagship language product. With Turbo
Pascal 1.0, Borland pioneered the high-speed microcomputer
language compiler; version 4.0 strengthens Turbo Pascal in its
role as a serious development language.
Always a fast compiler, Turbo Pascal 4.0 has almost doubled
the speed of its predecessor, compiling at approximately 27,000
lines per minute on an 8 MHz IBM AT. The current version breaks
the 64K program size barrier, supporting programs up to the
memory limit of DOS. With separate compilation, programmers can
recompile only those units that have been changed since the last
compile, as well as create libraries of precompiled units.
Separate compilation using units allows add-on software tools to
be built and distributed without source code, a signicant feature
for third-party developers.
Turbo Pascal 4.0 offers much improved code generation with
constant folding, unused code removal and optimized use of
registers. A smart linker removes unused code from programs. The
package comes complete with command-line and
integrated-environment versions of the compiler.
The package's integrated programming environment features a
built-in full-screen editor and pull-down menus. This design
allows users to edit, compile, and find and correct errors from
inside one integrated development environment. The editor
supports 25, 43 and 50 lines per screen, as well as CGA, EGA,
VGA, MCTA, AT&T 400, 3270 and Hercules graphics. Other new
features include tabs (set tab width), colors, and options for
"auto save before run" and "suppress .BAK files."
To manage files, a pick list remembers the file name, cursor
position and search information each time a user exits a file.
The next time Turbo Pascal is loaded, the program automatically
restores all of the exited file's context. With the pick list,
users can pick from the last eight files loaded into the editor.
For larger programs, Turbo Pascal 4.0 includes built-in
project management (make and build). Debugging is handled with
interactive error detection and location for automatically
locating compile- and run-time errors in source code. The
compiler locates errors, automatically activates the editor and
shows the location of errors in source code. The compiler can
generate .MAP files for debugging and works with standard
debuggers.
Code written for Turbo Pascal 3.0 will compile with only
minor modifications under version 4.0. An upgrade program
simplifies the transition to the new compiler with turnkey
conversion of source code programs.
The compiler itself has been enhanced with extended data
types that include LongInt, ShortInt, Word and IEEE
floating-point. Additional language features include support for
inline statements and macros and a powerful assembly-language
interface that allows linking in .OBJ files.
Numeric operations benefit from a faster floating-point
processor. A toggle switch supports any 80x87 math coprocessor
present for real-number arithmetic. Software floating-point
operations are now 30 percent faster. Turbo Pascal 4.0 offers
optional range and stack checking, as well as the ability to
short-circuit boolean expression evaluation and interrupt
procedure support for interrupt service routines.
Turbo Pascal now supports units, with automatic execution of
initialization and exit codes for each nested unit up to eight
levels deep. Powerful standard units include DOS, GRAPH and CRT
units. Other features include variable and value typecasting, DOS
I/O redirection, support for tree-structured directories and
BlockRead/Write on untyped (binary) files.
Turbo Pascal's new features dramatically enhance the
package's development environment. Turbo Pascal 4.0's speed and
separate compilation combine to decrease development time
dramatically. The world's most popular microcomputer language
package now truly offers a high-speed, high-performance
development tool.
Borland International, Inc., located in Scotts Valley,
Calif., was founded in 1983 to develop and market microcomputer
software products that match power with ease of learning and use.
Today the company offers a wide range of business applications
and developer's tools, including Turbo Pascal, Turbo Prolog,
Turbo Basic and Turbo C.
***
Turbo Pascal, Turbo Prolog, Turbo Basic, and Turbo C are
registered trademarks of Borland International, Inc.