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Improv : an In-Depth Look

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Improv : an In-Depth Look SCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWSSCaNeWS Southern California NeXT ™ Users Group VOLUME 1, NUMBER 3 SCaNeWS ©1991 Newsletter MARCH 1991 All Rights Reserved March has been a big month for NeXT and its users Windows on the same screen! One major drawback - color stations are shipping! Along with the color of SoftPC , which emulates a IBM PC/AT with stations comes Software Release 2.1, which is re- 80286 and 80287 chips, is its speed, only about that quired for color and fixes many bugs in 2.0. (See the of a 12 Mhz AT (Norton SI rating of 12.5). How- annoucements from NeXT and users’ comments on ever, a more advanced version of SoftPC is report- pages 2-4.) We anxiously await future announce- edly under development and it will increase the ments on the shipping of the NeXTdimension board efficiency of emulation from the current 10% to (in April) and who knows what else - perhaps a port about 40%. The advanced version will also im- to a RISC chip or another vendor’s platform? Rumor prove on another major drawback, EGA graphics has it that NeXT will be going with the HP PA-RISC emulation at best, to VGA emulation. The ad- chip, which rates as high as 72 SPECmarks and 76 vanced version will supposedly ship in the fourth MIPS! (See Tao #7 for more rumors.) quarter of 1991. (continued on page 17) MARCH MADNESS NeXT Ships Color Workstation . 2 Mike Mahoney CONTENTS [email protected] Comment on NeXTstation Color . 2 NeXT Software Release 2.1 . 3 Inside you’ll find several items concerning Light- CONTENTS house Design’s Diagram! , including a review, infor- Comment on Software Release 2.1 . 4 mation on academic discounts, and a lovely diagram of the NeXTstep Application Kit Hierarchy of class- Tao #7 - Robert Lin . 5 es. This month we’re also very happy to bring you CONTENTS Diagram! Academic Discounts . 8 the seventh installment of Robert Lin’s Tao . Tao is known as the place to look for the latest rumors, bits The look of Diagram! . 9 and pieces of useful but offbeat information, and CONTENTS also a bit of humor. Of course we always include a Application Kit Hierarchy diagram 10 bunch of stuff off the net which we hope you’ll find interesting. OFF THE NET CONTENTS (more) Frequently Asked Questions 11 I can’t wait for SoftPC to ship (any day now) - I’ll Improv : An In-Depth Look . 15 finally be able to clear off some desk space by get- ting rid of my PC clone. The beta version of SoftPC CONTENTSSoftware Review - Diagram! . 16 gets four “cubes” from NeXTWORLD , the highest possible for a beta version. Can you imagine show- SCaN and SCaNeWS information 18 ing those DOS diehards two or three copies of MS- CONTENTS NeXT's system software, includ- ing NeXT Mail (multimedia elec- NeXT Ships Color Workstation tronic mail), integrated fax support and much more. March 12, 1991 NeXT's high-end, 32-bit color product, NeXTdimension, will REDWOOD CITY, Calif. - NeXT NeXTstation Color, as with all ship in April. Computer, Inc. announced today NeXT computers, uses Display that it has begun shipments of its PostScript to draw on-screen as NeXT Computer, Inc., headquar- $7,995 NeXTstation Color com- well as printed images, resulting tered in Redwood City, Calif., de- puters, on schedule. in a much more powerful graphics signs, manufactures and markets professional workstations, which NeXTstation Color uses 16 bits platform for applications, espe- combine the power and network- per pixel to achieve “true-color” cially publishing applications. ing of today's most advanced images on its 17-inch color dis- With Display PostScript, which workstations with the ease of use play. NeXTstation Color offers makes the full capability of Post- and productivity applications of automatic color dithering, so that Script available to all software de- today's best personal computers. the computer can display 32-bit- velopers for their display NeXT's professional workstation per-pixel images in 16 bits per graphics, users of NeXTstation systems promise to enhance the pixel. With this feature, most us- Color and all other NeXT com- way groups of people work to- ers will be unable to distinguish puters gain more powerful and gether in the 1990s. The company between the 16-bit image dis- more WYSIWYG applications. sells its products through its direct played on NeXTstation Color and In addition, all NeXT computers sales force and selected retail and a true 32-bit image. incorporate JPEG software, which compresses and decom- VAR channels in North America, NeXTstation Color offers cus- presses still color images. This Asia and Europe. NeXT is head- tomers fast, 'true-color' Display built-in feature allows users to quartered at 900 Chesapeake Dr., PostScript on a large, megapixel store more and larger images on Redwood City, CA , 94063.♦ display, for $7,995. This far sur- their hard disks, and to transmit passes the 8-bit, limited color on images over networks without NeXTstation Color Comment small screens offered by our com- bogging them down. (off the net) petitors for the same price,” said [email protected]. Steven P. Jobs, president and CEO Like all the other members of colorado.edu 19 March 91 of NeXT. “NeXTstation Color is NeXT's product family, NeXTsta- the computer that will bring 'true- tion Color offers an unsurpassed I received my Colorstation today. color' Display PostScript to the range of capabilities as standard, It comes with release 2.1 preload- masses.” such as the NeXTstep user inter- ed. I'm positively impressed how face and application development fast the thing is with 16 bits color, With a suggested retail price of environment; the ability to run the almost as fast as a regular 040, $7,995, NeXTstation Color fea- same application software pack- and a lot faster than a 030 mono- tures 4,096 colors (12 bits) at any age, unmodified, on any NeXT chrome. We had both a 32MB one time, plus 16 levels (4 bits) of workstation; true multitasking system and my 12MB next to each transparency, displayed on its with the UNIX operating system; other today, and except for Math- 1120 x 832 pixel, high-resolution built-in high-performance Ether- ematica and drawing files above 17-inch MegaPixel Color Display. net and TCP/IP networking, for 2MB in Icon the memory didn't With NeXTstation Color, NeXT sharing large color images over a make to much of a difference. Not brings much needed workstation- network; built-in digital signal to say that 32MB doesn't mean an level performance to the emerging processing (DSP) capabilities; a improvement, but as far as mov- computer-based graphic arts mar- 2.88 MB floppy drive and at least ing windows and running Frame- ket at an affordable price,” said 105 MB of hard drive storage; and Maker or Improv, there wasn't any Sanjay Sakujah, president of Dig- the unprecedented amount of sys- significant difference. ♦ ital Prepress International. tem and bundled software under SCaNeWS• 2 • fixed function only applies to sites that force Software Release 2.1 a customized login sequence to occur when users log in. Alan M. Marcum • Fix to the tanh (hyperbolic tangent) NeXT Technical Support function. It now produces the correct results in all cases. • Performance improvement (by more than an order of magnitude) of the floor function. Release Description This may be important to developers who Software Release 2.1 is now shipping with all frequently use this function. new NeXT hardware and software products. • Fix to the system constant HUGE. It has The primary objective of Release 2.1 is to sup- been set to the correct value (it was set to - port NeXT's new color platforms, NeXTstation Infinity in 2.0). Color and NeXTdimension; however, some Re- • An improved gdb debugger that's able to lease 2.0 customers may want the software im- kill processes more reliably. provements in Release 2.1. This release contains no new features, and most Release 2.0 Release Philosophy users of monochrome systems won't need to NeXT usually recommends that users upgrade update to the new release. Some third-party to each major software release, i.e., from Re- products may require Release 2.1; for example, lease 1.n to 2.n to 3.n. We try to schedule these some fax modems require Release 2.1, al- required upgrades relatively infrequently so though most modems will work perfectly with that upgrading doesn't become a burden. Up- Release 2.0. If you have any questions regard- dates to minor releases (e.g., from 2.0 to 2.1) ing the compatibility of a third-party product aren't generally required, except for specific and the software release you're currently run- new hardware support or special needs. Minor ning, please contact the individual vendor. releases will obviously be more frequent than Aside from color support, Release 2.1 contains major releases, but we also try to provide soft- the following improvements over Release 2.0: ware tools to make the update process simple and painless. • Fully supported internationalization of NeXT applications. This affects users who Products Affected require nationalized versions of software to All newly shipping hardware and software run in a foreign country's native language. products have been revised to reflect the new • Improved reliability of very long (an hour software release. All computer systems, in- or more) sound or music sequences. cluding monochrome systems, will have Soft- • A more robust serial port driver, especially ware Release 2.1 preloaded on their hard disks.
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