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August 1980 • Vol 2 No 8
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August 1980 — Vol 2 No 8

Source

Open original PDF • August 1980 • Vol 2 No 8 • 18 pages

Overview

The new parallel-SIG meeting format launches. July meeting structure: short business session followed by several concurrent SIG meetings (NEWSIG, ASMSIG, SIGAMES, etc.), to better serve members at all levels. Hersch Pilloff is now listed as Member-at-Large (replacing Scooter Conrad on the masthead). NEWSIG's first session (led by Al Weiner, notes by Sara LaVilla) gives a window into newcomer questions of the era — POP vs RETURN, IAC, DOS 3.3 advantages, mail-order tradeoffs. ASMSIG's first session drew 12 members with widely varied projects from DOS hooks to image-processing systems. Pi will have a table at Big Apple's New York computer fair August 16. Featured content: Dana Schwartz's SAVETAPE, Howie Mitchell's biorhythms, Brian Dormer's review of EAMON (Library Disk 15), and Hersch Pilloff's CRAE software review.

Table of contents

Section Page
Cover with highlights 1
Computerland display ad 2
Officers (Pilloff MAL); Event Queue; Classifieds; DOS 3.3 Group Buy 1
Minutes (Pi 7/26) 1
NEWSIG Notes — Sara LaVilla 1–2
ASMSIG — Assembly Language Group — Jim Rose 2
SAVETAPE — Dana J. Schwartz 3
Run Programs from EXEC or Keyboard — John L. Moon 4
Dealer's Corner: Writing Interactive Programs — Paul A. Sand 4–7
Washington Apple Digest — D. Efron, M. Leavitt, B. Schultheis 8
ODYSSEY: The Complete Adventure — Sandy Greenfarb 9
BIORYTHYMS — Howie Mitchell 10–12
Review: Library Disk 15 and EAMON #1 — Brian Dormer 13
CRAE Software Review — H.S. Pilloff 14+

Articles

Minutes of Pi 7/26/80 (page 1)

New format launched. Short business meeting, then concurrent SIG sessions. Wasserstrom (VP) presided. Items: - David Morganstein: original program contributors get a free disk of their choice - Pi will have a table at the Big Apple computer fair in NYC on August 16 — all members invited - Dave Efron (Ad Mgr) again requested article reviewers

Adjourned to SIGs.

NEWSIG Notes (pages 1–2) — Sara LaVilla

First session of the New Users' Group, led by Al Weiner. David Morganstein and John Moon lent expertise. Sample Q&A reproduced (a snapshot of newcomer-1980 issues):

Q A
What are SIGs? Subgroups of WAP with special interests (games, machine language, Pascal, new users)
What does POP do? Removes the top return address from the subroutine stack — useful for non-standard subroutine exits
Is it advisable to order from discount mail-order houses? "As in most of life's endeavors, you get what you pay for." Buy locally for service-dependence; mail order if you're DIY-capable
What is IAC? International Apple Core
Advantages of DOS 3.3? ~20% more data per diskette; disadvantage: current canned disks won't work; some Pascal-compatibility questions
TEXT and HOME in Integer Basic? CALL -1123 for TEXT; CALL -936 for HOME

NEWSIG will develop a glossary for new users. Recommended purchases: Apple Monitor Peeled ($15), CRAE ($20), Call-A.P.P.L.E. newsletter.

ASMSIG (page 2) — Jim Rose

First session of the Assembly Language SIG. Twelve attendees with varied backgrounds (decades of ASM experience vs. brand-new), and widely-varied projects: DOS hooks, computer typesetting, high-speed communications, higher-precision floating point and trig, "even a full blown image processing system!" Rose's interpretation of shared principles:

  1. "If things can be done in a higher level language — do it!"
  2. But not everything can in interpreted BASIC/Pascal, especially when time matters
  3. Necessity or not, ASM is "just another tool in the programmer's kit bag"
  4. Avoid reinventing the wheel; share insights, build macros, establish a shared library

"SAVETAPE" (page 3) — Dana Schwartz

Cover-highlight. Utility for saving programs to cassette tape — useful for backups and for sharing with tape-only Apple owners.

"Run Programs from EXEC or Keyboard" (page 4) — John Moon

Compact trick for writing programs that detect whether they're running interactively or from an EXEC file.

"Dealer's Corner: Writing Interactive Programs" (pages 4–7) — Paul A. Sand

Cover-highlight. Sand's third Dealer's Corner column — best-practice guidance on writing software that's friendly to interactive users (prompts, error handling, undo).

"Washington Apple Digest" (page 8) — Dave Efron, M. Leavitt, B. Schultheis

Continuation of Efron's digest, now with two co-contributors.

"ODYSSEY: The Complete Adventure" (page 9) — Sandy Greenfarb

Greenfarb dives into ODYSSEY, an adventure game on the disk library.

"BIORYTHYMS" (pages 10–12) — Howie Mitchell

Mitchell returns with a biorhythm-charting program for the Apple.

Review: Library Disk 15 and EAMON #1 (page 13) — Brian Dormer

Review of EAMON, the open-ended adventure-game system on Library Disk 15. EAMON is a famous early Apple II adventure platform — players create characters, explore dungeons, accumulate inventory across sessions.

"CRAE Software Review" (page 14+) — Hersch Pilloff

Review of CRAE (Cassette/Renumber/Assembler/Editor?), a utility package recommended above as a NEWSIG purchase ($20).

Club news / events / announcements

Notable advertisements

Key quotes

Entities

People: Bernard Urban, John Moon, Rich Wasserstrom, Robert Peck, Dana Schwartz, Hersch Pilloff, Mark L. Crosby, Sandy Greenfarb, Genevie Urban, David Morganstein, Dave Efron, Tom Jones, Al Weiner, Sara LaVilla, Jim Rose, Brian Dormer, Howie Mitchell, Paul A. Sand, M. Leavitt, B. Schultheis, Ira Cotton Topics: Parallel SIG Format, NEWSIG, ASMSIG, Cassette Tape Save, Biorhythms on Apple, Interactive Program Design References: Big Apple, Big Apple NYC Fair, EAMON, CRAE, Apple Monitor Peeled, ODYSSEY Adventure

Connections to other issues

Open questions