New Wave of Computers
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U.S. Edition: $2.50 NO. 60 MAY 1983 International Edition: $3.00 A d v a n c i n g C om puter. K now ledge. New Wave of Computers ©ATARI 1200XL © APPLE lie @ C64... Color Computer Clock Graphics on the APPLE and PET -o =o5 0 In this month’s Learning Center: =o Sf^ "sf File Management for Commodore Computers ■N- Breakup: An Animation Game for APPLE and Commodore... pHUCXSALAZW sore m > nc 111 SPINE AVf PONEVIUE CA 91011 vereatile than <. This system dete inform ly, and trare ins in the bog MAGiC MEMOR* 1/S8S-57I ia Aveni Ca 918 The challenge was to create a Winchester plus 640K floppy right Western United States computer having room for a mega on up to a combination of four Sage Computer Technology, byte of RAM, a built-in Winchester fixed or removable Winchesters 35 North Edison Way, #4. Reno. with floppy backup, and the ability plus one or tw o floppies (200 mega NV 89502 (702) 322-6868. to perform 2,000.000 instructions bytes of disk capacity in all). per second. Because of the Sage™ IV's no Eastern United States Sage Computer Technology. A small miracle, in other words. compromise system design you can And small is exactly what it load a I6K program in 1/10 second 15 N ew England Executive Park turned out to be. In fact, the 16-bit from Wnchester disk. Suite 120. Burlington. MA 01803 (617) 229-6868 Sage™ IV including all of the above What's more, there are over 120 attributes, takes up less thanZ* sources for existing popular pro In UK cubic foot. grams for the Sage™ IV. The incredi TDI LTD. 29 Alma Vale Road, W hat makes such a break ble p-System operating system, Clifton, Bristol BS8-2HL through possible? System design. standard on every Sage™ IV con Tel: (0272) 742796. It took the latest 64K dynamic verts software that was originally Tx: 444 653 Advice G RAMs and the Motorola 68000 written for 8-bit computers in Pascal, In Germany processor technology, plus W in BASIC and Fortran. Optionally. MM Computer. GmbH, chester technology. And it took a CP/M-68K Modula. and Hyper- Hallwanger Str. 59,8210 Prien highly integrated, closely packed, Forth are also available. Tel: 08051/3074 low power high speed design Better yet. our small miracles Tx. 525 400 mmco-d incorporating a proprietary bus. come with prices to match. N ow the Sage™ IV is ready for So give us a call or write today for you. Actually, you can choose from more Sage™ IV information and the three different Sage™ IV models name of your nearest to meet your exact needs— dealer. configurations with a 5 megabyte irademaft of Saye Compuic? Tccnroiogy CP/M tr.«tmarttofOgnaifilMfarth MnfliA# (MOrmjfk r/V3»oan Syurtm Hvpet-Rxrfinuaeman ol FantvKjnc £ngmrrnrg p-Sy«em. tradernjft af UC Rpgmti* Circle No. 4 from assembly-language subroutines. He uses examples for the 6502, 6809, PRINTER I /M C ftO 68000, and 16032 microprocessors. See "Parameter Passing in Assembly Lan guage” (pg. 40]. John Steiner has writ OPTIMIZER H ighlights ten a subroutine that adds a real-time clock and date function to your pro The New Wave of Computers grams. Learn how to use TlME$/SUB in "Real-time Clock for the Color "Great waves looked over others com Com puter” (pg. 50). ing in...." Robert Frost was speaking of "& GET” by David Dice (pg. 52) is a the Pacific Ocean; we are speaking of machine-language program to allow the many new computer products that customized input routines; and "Modi Why buy a mere "spooler" when you are flooding the market. A few years can have THE PRINTER OPTIMIZER? fying and Using MAE” (pg. 56), by F. ago it was a simple matter to go out and Arthur Cochrane, describes how to * 64k to 256k spooling buffer buy a home computer — you didn't modify the MAE assembler to enable * adapts different brands - can have much selection. Today you must mix Serial and Parallel output to an ASCII printer and listing choose from computers that fit nearly * character conversion: 1 to 1, output to a disk file. Joe Hootman con 1 to many, many to 1, ignore any situation, any pocketbook, and any tinues his series with a discussion of * pushbutton automated access to kind of computerist — from novice to your printer's various type miscellaneous instructions imple styles and printing modes highly technical. mented by the 68000. See "68000 In * several ways to PAUSE printing Once you have decided which com * access any character, graphic structions" (pg. 58). And finally, Jim puter is right for you (taking into con design or printer "trick" from Strasma continues his series "It's All any program at any time sideration memory requirements, load Relative, Part 5: Printing Commodore * special features for use as and save capabilities, editing functions, a MODEM b u ffe r File Data" (pg. 62] with a discussion on etc.], then you should become knowl formatting and printing data from edgeable about add-on boards, m o \ Commodore relative disk files. WM I eti Ovctronic Typewrite *Tyali m I modems, printers, hardware, and soft ware that is available. The May issue of Graphics and Printers MICRO is designed to provide you with The graphics section includes • L 1 ~~l information about the tide of new prod several informative articles regarding ucts flowing into the market today and The cost effective alternative. printers. You can learn how to print Converts IBM, Adler/Royal, Olympia what you can expect in the near future. Apple II's hi-res graphics screens on and other Electronic Typewriters Paul Swanson opens our feature sec Okidata Microline 80's printer, use an into letter quality printers. tion with a comparison of the Atari assembly-language program for the * 2K memory b u ffe r 1200XL, 400, and 800 in "The Atari Apple II that automatically produces * access alt typewriter characters 1200XL” (pg. 20). In "Microprocessors top and bottom margins on each page of and automated features * Serial or Parallel versions for Your Apple II" (pg. 26), Phil Daley printer output, address a second PET as * Many proprietary features and and John Hedderman compare add-on an IEEE device 4. Also leam to print commands insure compatibility boards for the Apple II that increase AIM listings the full width of your with your system and software * Typesetting capability! capabilities, provide new features, and printer with a machine-language teach new languages. "New Commo printer driver, and to interface an OSI dores” (pg. 30) by Loren Wright is a Superboard II to a Radio Shack Quick PETI discussion of Commodore's new prod Printer II. S uper low cost adaptor fo r new uct line, including the VIC-20, Com The Learning Center inexpensive portable Electronic modore 64, and a computer soon to ap Typewriters can yield typewriter pear on the market — the C 128/80. In the Learning Center this month and le tte r q u ality p rin te r com you will study PEEKs and POKEs in bination for around $500 total! Keith Roberson asks "Is 16 Bits the Solution?" (pg. 32). The 16-bit micro "Breakup” (pg. 71) by Loren Wright * perfect for "personal use" and Phil Daley. "Breakup” is a simple * easy "plug-in" Parallel processor has made a significant impact connection to most computers on the imagination of microprocessor animation display game that includes a * compatible with popular word ball and brick wall and tests for colli processing programs users. However, Keith believes 8-bit technology can be expected to have a sions. Brian Zupke's "Addressfile” (pg. long and active life in the small com 76) is an easy tape-based file- puter marketplace. management system for the VIC-20 and APPLIED other Commodore computers. You can CREATIVE Programming Aids store names, addresses, phone num This month we provide you with bers, and memos in a cassette file. TECHNOLOGY seven programming aids. Wemer Kolbe We continue to provide you with a INC. shows you how to write up to four wealth of information in our on-going times more numerical data on a CBM columns. Be sure to read PET Vet, 2723 Avenue E East, Suite 717 Arlington, Texas 76011 disk using the computer's internal From Here to Atari, Coco Bits, and In [8171-261-6905 binary format instead of ASCII strings. terface Clinic, as well as our regular [800J-433-5373 Read "Get More Data on Your CBM departments. MICRO keeps you on the D isk” (pg. 38). Randall Hyde discusses crest of the wave of new computers. several methods for passing data to and JMCftO Circle No. 3 MICRO No. 60 - May 1983 EMI-RFI FILTERED AC SURGE PROTECTOR Advancing Computer Knowledge MICRO P.O. Box 6502 Amherst, NH 03031 (603) 889-4330 ® New Wave of Compilers Managing Editor Marjorie Morse Technical Editors Phil Daley o n The ATARI 1200XL ........Paul S. Swanson Loren Wright A comparison of the ATARI 1200XL, 800, and 400 computers Programming John Hedderman Editorial Microprocessors for Emmalyn H. Bentley Z 4 Your APPLE II ........Phil Daley/John Hedderman Maureen Dube A comparison of add-on boards for the APPLE II Contributing Editore Cornells Bongers on COMMODORE New Wave ...... Loren Wright Dave Malmberg A discussion of COMMODORE’S new product line John Steiner Jim Strasma Paul Swanson o p Is 16 Bits the Solution? ...... Keith Roberson Richard Vile Can 8-bit technology survive in the small computer market? Production Helen Bergeron Advertising Sales Manager—Bob Mackintosh Paula Kramer PROGRAMMING AIDS Admin.