80Microcomputing_1081_text.pdf

(18569 KB) Pobierz

Octob«r

1981

USSZ50

the

magazine

for

TRS-SQlusetSk

]

mis

could

yours,

but

probably

never

btll

the

reujord

offer

for

the

legibmote

bug

DOSPUJS

DISK

System.

quolifv

you

must

be:

registered

DOSPLUS

oiuner

ftble

demonstrote

ood

document

reel

bug,

f>ot

simply

design

shortcoming.

Vre

convinced

that

DOSPtUS

the

most

"erful,

(et.

Qg^j|aest

operate

syste

P]l?»<^^^^[^f

ujorks

righ

JnessrYiori^^^Bbylsts,

the

speed

nnot

^^^^^^^V^

BRSIC

programm

Per

Vo^jRH^^HKe

do.

Rnd

for

softr'

mpotibf^l^^^istems

ore

ovoilobf

NO-ONC

€LS€

con

give

•11m

sofM

M9h

!•¥•!

Modttl

dislMtt«

OAd

program

compotibi

•Trvo,

compl

SRSIC

pcogram

UfMi

ni«s

OAd

VOrioblMSQM

opM

hove

oil.

features

golore

AND

error-fr

you

con

prove

it,

we've

got

brand

We're

not

conce/ted.

jmV^

today,

Funston

hone:

(305)

983-33

lorida

33023

CALL

TOLL

FREE

FOR

FAST

SERVICE

(800)

824-7888,

OPERATOR

193F0R

VISA/MASTERCMARGE/CO.D.

ORDERS

Caillomia

dial

{800)

852-7777,

Operator

193,

Alaska

and

Hawaii

drd

(800)

824-79

Operator

call

TOLL FREE

UNE8

WILL

ORDERS

ONLYI

For

Applications

and

Tachotcal

intormation

drop us a

card.

(305)

983-3390

Dealers

inquines

invited

TRS'80*

Percom

OiUaCo..

Inc.

COMPUTING

EDITION

Z\)t

^3moin

^Dcripljcral

cents

Percom's

GARLAND.

TEXAS

DOUBLERII

—

May

22.

tolerates

wide

variations

media,

drives

Owners

chase

original

W81

LX)LIBLERs

may

pur-

Harold

Mauch.

president

Percum

Data

t'ompany.

announced

here

today

that

itn-

proved

version

the

Company's

innovative

DOUBLER^'

adapter, a

double-density

piuy-in

module

for

TRS-80"

Model

computers,

now

available.

Retletttng

design

refinements

based

thet)rctical

analyses

nOUBLER

IL".

both

and

field

testing,

the

named,

ponnits

even

great-

amons;

media

and

the

without

the

disk

controller IC.

for

$iO.OO.

PrhiI

pur-

chase

original

fXU'BLER

required,

and

each

DOUBLER

owner

may

purch.Lse

only

>.ne

DOUBLER

the

$50.00

price.

The

Percom

DOUBLER

available

from

authorized

Percom

rerailers,

mav

ordered

direct

from

tlie

factory.

The

factory

toll-free

order

number

1-800-527-1592-

Ed.

note

terface

DOUBLER

upgrade

kit.

tolerance

variations

drives

than

the

previt)us

desiun.

Opening

the

TRS-80

Expansion

In-

may

void

the

Tandy

limited

90-day

^^^^

^sa on

inquiry

ca(d.

the

oriRinal

IXX'BLER,

DOU-

Percom

1X)UBT,ER

warranty.

BLER

face

pliigs

stxrket

of a

mto

the

drive

controller

l("

TRS-80

Model

Expansion

Inter-

user to

run

either

snijile-

and

permits

double

-dervsity

diskettes

Mtxlcl

With

IX^L'BLER

installed,

over

four

times

lormatted

data

much

364

Kbytes

can

stored

one

side

of a

five-

—

Mauch

will

said

IX)UBLER

two

years

after

will

operate

just

as reliably

it is

installed

not

gold

OS.80

Bridging

the

TRS-80*

software

compatibility

gap

All

that

glitters

(J(imparibilin

hcrwcen

two

days

digital

after

installation."

inch

diskette

than

can

sKired

usin^

stan-

dard

Tandv

MixJel

drive

system.

Moreover,

LX_"iUBLER

equips

Model

with

the

hardware

required

run

Model

III

phase-lock

lix>p

also

eliminates

the

need

for

trimmer

adjustments

typical

analiig

phase-l(K:k

kxtp

circuits.

"You

plug

in a

Percom

DOUBLER

and

The

TRS-SO'

MiJcl

Jukcne*

.inJ

diskettes.

then

forget

it."

said.

See

"OS-SO":

Bridging

the

TRS-

80'

software

compatibility

gap"

elsewhere

(Ed.

Note:

this

page.)

The

DOLIBLER

also

features

refined

Write

Precompensarion

circuit

that

effectively

minimizes

the

acteristic

phenomena

bit-

the

new

Mmicl

III

iiboui

»t

genuine

|p>ld-pl.itvJ

Ii;a1

KniKctrand.

Tnic, MiiJcl

ITRSnOS'

ili*l(cncsc3nhiTi?aiiin.iMiivli-l

111.

But

tir^i

rlii'v

tnuit

corvcrii'd

jnJ

(v-ntimiat

Int

MikIcI

III

Kprrjiuiri.

Anil

you

lanimi

utik

Mvnii-I

TRSlX^S'disln-iti:,

Not

wiiK

Model

III-

You

tjnnor

aJJ

jlile.

Delete

file

any

way

nvKJify

Model

TRSIX)S

diskette

ith

Mudcl

111

computer.

clock-data

separation

circuitry*

the

rXDlJBLER

a proprietary

design

called

ROM-programmed

digital

phase-kx'k

ItKtp

data

separator.

According

Mauch,

this

design

tolerant

differences

from

diskette

and

drive

to drive,

and

also

provides

immunity

performance

degradation

caased by

circuit

critical

The

and

peak-shifting,

reliability-impairing

char-

magnetic

data

recording.

11,

The

DOUBLER

which

tully

st.ftware

Funhetinore.

yi'ut

timvefted

Jisketies

cannot

^inverted

fnitli

for

Model

opcrdti>>n.

TRSDOS

one-way

street,

.^nd

[here's

rxi

retreating.

poini

consider

before

switchinK the

company's

payroll

yuur

new

Model

111,

Real

software compatibiliiv

should

allow

the

JitM.

im-

mediate

intcrchanRtahihty

Model

and

MoJd

III

ditket

res.

read-onlv limiiaiiom,

lonverMon

're-

record

in^

TRSWS

compatibk- with

the

tX^UBLER.

supplied

with

DRI-nOS".

TRSDOS'-

compatible

disk

operating

svstyn.

Tlie

ing

component

DOUBLER

sells

for

SZ>$S,

mdud-

the

DBLDOS

J'^kette^

^'^j^ll.V!

.teps

divkeiTi'*

ihfll

and

chance

let!

high

and

dry

with

Mt>dcl

cunt

r»in

Mtxiel

III

aging.

%'hal's

(Kc

answer;

tamily

The

answer

Petcom'i

OS-8C"''

otTRS-SCdisk

operating

syslettw

Circuit

misapplication

causes

diskette

read,

format

problems.

High

resolution

key

reliable

data

separation

GARLAND.

TEXAS

—

The

Percom

megaherti

—

were

found

Percom

provide

SEPARATOR"

Tandv

does

verv

well

for

the

Radio

Shack

TRS-80*

Mi.>del

computer

what

the

dirtct,

immeJiate

inicrchanKcahilnv

M.Kiel

indMi^icl

III

d.,kertes

You

irtn

nin

M.-del

Mngli,--Llen>iiv

Jislcetie*

Model

youi

III,

iii>Ta!l

Pttcom'^

rlv'sTii

l>^l'Bl.ER'*

.id.ipler

MiKJel

,ind

you L^n run

double-

density

Model

111

diikeites

»n

Mudel

,il

OS-80

programs

allow

disk

controller

dt>es

(xtorly

best:

reii-

ahly

separates

clock

and

data

signals

during

only

marginally

improved

performance

over

the

original

Tandy

circuit.

The

Percom

stilution

simple

adapter

that

plugs

into

the

drive

controller

the

Expansion

Interface

(El).

There's

convcrjion,

lyo

Te-recotdinc

Slip

OS-80

diskette

out

yout

Model

direcrly

and

instn

Model

HI.

And

vice-vcTsa.

JuH

have

ihe

torteci

OS-80

aS-80.

OS-80n

OS-SO'lll

—

disk

oreruiini;

>v^tcm

—

c-th

computer.

disk-read

operatit)ns.

Unreliable

data-clock

separation

causes

for-

Not

kit

—

some

vetidors

supply

un-

installed

mat

verification

failures

and

repeated

read

lestcd

>cpafan>r

kit

rcsistots.

ICs

retries.

paraphernalia

that

CRC

ERROR

-TRACK

LOCKED

OUT

The

problem

most

severe

high-number

(high

-density)

inner

file

tracks.

reported

earlier,

the

clock-data

separa-

tion

problem

was

traced

Percom

misap-

plication

the

internal

separaror

the

1771

drive

controller

used

the

Mixlel

tying

the

mav

computer

—

and

other

mod-

Moreover,

with

OS-80

svftcms.

you Lan

i»dd,

delete,

and

update

files.

You

can

read

cJuJutiU'

dikkeileTeiiardleiiodhe

system

oriHln,

I.TS.80

the

.wiBinal

Pcreom

TRS-80

DOS

ioi

BASIC

piogra

miners.

the

Percom

Even

OS-80

urilities

arc

written

'".

BASIC.

user

wrote,

SEPARATOR

fulK

assembled,

fully

tested

OS-W

the

Percom

sviiem

about

which

plug-in

module.

Installation

involves

merely

plugging

the

SEPAR.^TOR

into

the

Model

El disk

con-

troller

chip

socket,

and

plugging

the

controller

chip

into

socket

the

SEPARATOR.

The

SEPARATOR,

which

sells

for

only

Creative

Compurinf*

maKa:ine.

will

ever

ipend."'

the

best

SJO.OC

you

RcHotring<'nly*eeenKby(esofmerrKir^-,

OS-SCdidiopei-

aiinijsysiemsrfsidc

tnnipleiely

RAM.

Thetc'snoneedto

dedic;ite

drive

cxcluwytly

for

sviteiii

diskeite.

And.

unlike

TRSPOS,

vou

can

work

level,

defining

The

Percom

which

operates

design.

Separator

substitutes

megaliert;,

for

fiigft-

$29.95.

resuluiiun

digital

data

separator

circuit,

one

the

low-

restilution

onc-megahert:

circuit

the

Tandy

authoti:ed

Per-

ordered

directly

from

the

fac-

com

retailers

tory.

The

facror\-

toll-free

order

number

1-800-527-1592.

Ed.

nor<;;

may

purchased Irom

BASIC

and

aintrolhni;

data

tormats

create

simple

complex

data

structures

that

enecute

mtire

quickly

than

TRSDOS

tile*.

—

the

track

lecior

The

Percom

OS-KO

IX^S

tion

the

suppuris

single

-JenMiv

i>per3

C~>pening

the

TRS-80

Expansion

inquiry

card

In-

Separator

circuits

that

operate

lower

frequencies

for

example,

two-

four-

—

terface

may

void

the

Tandy

OrcleSOBon

Model

Uompiiier

pricei*i2^.95;iheOS-SOD

iuppoitu

iknihle-denMty

opemtuin

Model

iompulets

eou.p|x\l

with

DOUBLER

II.

and.

OSSC,

III

lor

the

MikIcI

Hot

course

^supporij

both

iincie-

and

limited

*X^-day

—

warranty.

double

-densily

operation.

*c!l

tor

*44>»S

kW-fiCD

and

OS-,''0'II1

i-atli

^429

PRICES.^NDSPEClFK"AT10NSSfniF-(."TTOrH,ANGE\X-]TllOLT

NOTICE,

rRKT^=D^"^NOT

INC

UUDK

HANDLING

.ANDSllirriNU.

PERCOM

DATACOMPATIY,

'*Tradenui)iufPetcomCblaCanipan\.lnc

IMC.

211

Kirby

Street

Garland,

Texas

75042

(214)

272-3421

C-mpanv

Hrreat»Tt<>mt<unngM*e«it»e.Jiine.

I^BO.paeeid-

TRS-8Caiv)TRaOSaretr»detn*rti<'*Tandv[:iiipi>t»tl<»owhiehh«iiiiirel»ti«uhii'ti're»eiifn

liars

October

1981 Issue

#22

Contents

PUBLISHER

Wayne

Green

EXECUTIVE

VICE

PRESIDENT

Sherry

Smythe

Intelligence-

Technology

and

the

103

For

Self

Artificial

Chris

Brown

the

early

1950s,

Lucy and

Ethel

found

themselves

working

bon-bon

produc-

ASSISTANT

PRESIDENT

Matt

Smith

tion

line

CORPORATE

CONTROLLER

Roy

Johnson

and

Alan

Turing

published

"Com-

puting

Machinery

and

Intelligence."

The

world

hasn't

been

the

same

since.

ASSOCIATE

PUBLISHER

Edward Ferman

And

Now

Artificial

ASSISTANT

PUBLISHER

Jetf

Intelligence

108

DeTray

DIRECTOR

MARKETING

(603)

924-7296

Deljra

Boudrieau

BULK

SALES

MANAGER

Ginny

Boudrieau

Harold

Nelson

There

has

always

been

someone

put

humanity

its

proper

place,

scientists

Copernicus,

Darwin

and

Freud.

Now

have

roast

mules,

Animal,

and

SHRDLU.

ADVERTISING

SALES

(603)924-7138

Godel,

Escher,

Bach

114

John

Gancarz

Hal

Stephens

COORDINATION

Penny

Brooks

OFFICE

MANAGER

Marcia

Stone

ManuECrlpIs

aie

welcome

Microcomput-

ing,

will

consider

publicalion

any

TRS80

orientea

malenai.

Guidelines

tar

budding

autn

ors are

available,

please

send

self-addressed

envelope

and

asi<

lor

"How

Write

tor

Wic'o-

computing'

Entire

contents

copynghl

1981

reprinted,

reproduced

any

means,

without

prio:

wntten

perniission

Irorn

ttie

pubiiStiRr.

All

programs

are

publisfied

for

personal

use

only.

Nancy

Robertson

While

the

debate

rages

over

whether

not

machines

can

really

think,

young

com-

puter

scientist

suggests

man

has

jumped

from

the

golden

bough

left

swinging

from

golden

braid.

IVIastermind—

Intelligent

Program

122

1D01001

Inc.

part

this

publioalion

may

Duane

Hope

When

this

author

got

bored

with

solo

play

this

popular

game,

computer.

decided

create

worthy

opponent

Inside

his

All

ngfits

resented.

Paia

Audned

Ciicuialion

Simple

Syllogisms

^^^

Microcomputing

(ISSN

-0199-67B9)

pub-

lished

montlily by

1001001

Inc.

80 Pine

St.,

Peterborough

03458

Ptione 603-924-3873.

Second

class

postage

paid

PeterDorougti

NH, and

additional

mailing

offices.

Subscrip-

tion

rates

U.S.

are

$18

lot

one

year-

and

$45

forthreeyears

Canada,

$20-

oneyearoniy,

U 3

Ivjnds

Canadian

distributor

Micro

Dis-

tributing,

409

Queen

St.

West,

Tomnto,

On-

tario,

Canada

M5V

2A5.

Canadian

distribu-

258

Isl

tor

Graymar

Dala

Services,

Ltd

Aue

Vancouver,

V5T

1A6.

Foreign

sub-

scriptions

(surface

mail),

$28

-one

year

only,

U.S.

funds.

Foreign

subscriptions

(air

mail),

$60

-one

year

only,

U.S.

funds

Europe con

tact fvlonika

Nedela,

Ivlaikstr

D-7778

Ivlark-

borf,

Germany,

South

Africa

contact

Microcomputing,

P.O.

Box

782815,

Sandton,

South

Africa

2146.

U.S.

subscription

cor-

respondence

shouid

tie

addressee

Microcomputing,

Subscription

Department,

Box

981,

Farmngdale,

11737

Please

include

your

address

label

with

any

corre-

spondence

Postmaster-

Send

form

-3579

Microcomputing.

Subscription

Services,

P,0

Box

981,

FarmingdalB,

1737

Rick

Hoffman

about

having

intelligent

computer,

you've

ever

fantasized

black

box.

here's

way

add

some

smarts

your

little

141

184

220

272

274

298

316

338

374

Programs

lor

the

Handicapped

lot

can

done

with

imagination

and

little

sweat.

Stephen

Nowak

and

Gary

Muswick

Hoops

Throw

your

scorebook

away.

William

Cornwell

Fail

Worldly

Goods

Keep

track

those

with

which

you

are

endowed.

John

Skramstad

Sunset

Program

your

computer

time

them.

Harold

Sunrise

Fat

City

Keep

tabs

your meat.

David

Busch

Cadet—

The

Decision

Maker

Know

ali

the

alternatives

before

you

act.

Albino

Firestream

Sparky,

TRS-80

could

firefighter's

best

friend.

Victor

George

Gille

Loan

Sharp

How

user

can

avoid

usurers.

Waiter

J-

Atkins

Llstprog

For

stickiers

neatness.

Doug

Riffel

4,»

Microcomputing,

October

1981

PUBLISHER/EDITOR

Wayne

Green

MANAGING

EDITOR

Debra

Marshall

SENIOR

EDITOR

Pamela

Petrakos

196

202

234

242

310

Tap*

R*owi*r«tor

Avoiding

the

pain

bad

loads.

Cass

Lewart

Raal

World

Intarlaca—

Part

The

beginning

beautlfui

friendship.

Elliott

Rand

Hard

and

Soft

Printware

Zen

helps

you

build

Interface

that

won't

cost

you an

and

leg.

Sinclair

Auto-Key

Input

complex

mathematical

equations,

Mike

Ghan

That

Annoying

Twitch

Curing

your tube

and

relieving

aggravation.

Marshall

Smith

CHIEF

TECHNICAL

EDITOR

Jake

Commander

PRODUCTION

EDITOR

Susan

Gross

NEWS

EDITOR

Bert

Latamore

REVIEW

EDITOR

Michael

Nadeau

NEW

PRODUCTS

EDITOR

256

All

About

Program

Files

Bettering

the

records

Barnard,

Jr.

and

David

Barnard

your

data

base.

Janet

FIderio

TECHNICAL

EDITORS

Chris

Brown

Michael

Vose

160

Alternate

Course—

Part

III

Graphic

POKEs.

Michael

DuUIn

EDITORS

302

320

334

Micro>Yahtzee

Plug

this

popular

game

into

your

computer.

Mark

Hang

Person

even

comes

with

moans.

Nathan

Hilton

Star

Colony

Explore

and

conquer.

John

Berlnger

Johnson

John

Mello

Jr.

Lynn

Rognsvoog

Steven

Frann

LAYOUT

EDITORS

Joan

Ahern

definite.

118

136

146

228

Artificial

Intolligenc* at

M.I.T.

Trying

make

the

indefinite

Bob

Dukette

Sharon

Phinney

Michael

Vose

The

Realm

Science

Fiction

Hal

264

285

290

and

Mike

are

not

ordinary

guys.

Nancy

Robertson

Voice

Synthesizer

Taking

the

tedium

out

phonemes.

Wlllard

Hall

Macroprocessor

for

Basic—

Part

compile

not

compile,

that

the

question.

Alan

Olmstead

Adventures

Modemland

Reach

out

and

touch

another

microcomputer.

Fred

Blechman

Soft

Characters

lowercase

characters

for

the

price of

26.

Stephen

Moulton

The

Basic

Difference

Model

and

Model

don't

always

talk

the

same

language.

Fred

Blechman

Sue

Symonds

Anne

Vadeboncoeur

TECHNICAL

CONTRIBUTING

EDITOR

Dennis

KItsz

EDITORIAL

ADMINISTRATION

Pat

Graham

Nancy Noyd

DESIGN

ASSOCIATE

Denzel

Dyer

210

249

252

Still

the

king

Radio

Shack

programs.

Bill

O'Brien

Debug

WHh

GOTO

How

save

data

when

your

program

bombs.

Roger

Papa

DOSPLUS3.3

The

only

serious

double-density

DOS.

James

LaSalle

Profile

PRODUCTION

MANAGER

Nancy

Salmon

ASST.

PRODUCTION

Michael

Murphy

Robert

Drew

350

354

Multi-Statement

Rounding

off

the

edges

once

you

master

Basic.

Dan

Keen

and

Dave

Dischert

Formatted

Screen

Input

Entering

data

with

facility.

Christian

Byrnes

Deep

nesting

can

for

the

birds.

Richard

Amyx

Thoughts

MANAGER

GRAPHICS

MANAGER

COORDINATOR

Patty

USTOlLirW

286

156

306

312

326

340

344

350

360

364

370

and

transfer

problem

solver.

Jack

Means

Emterm

Make

your

TRS-80

intelligent

terminal.

Jeffery

Mills

Building

Bridges

Combine

your

software

for

what

must

done.

Wayne

Mueller

Through-Boot

Making

easier

start-up

TRSDOS.

Alan

Smith

Tale

Two

Drivers

Patches

for

TRSDOS

and

EDTASM.

John

Blair

Full

EiTor

How

get

than

half

message.

Harry

and Ken

Kaalrns

Modifying

EDTASM/Plus

Take

the

disadvantage

out

this

Microsoft

program.

Arne

Rohde

Datafix

Tiptoeing

across

your

keypad.

Barnard,

Jr.

and

David

Barnard

Weak

Link

Working

the

NEWOOS

chain

command.

Steven

Denholtz

Memory

Window

Look

any

byte

keyboard.

Warren

Merkey

Copylt

Shorthand

data

entry.

Ron

Balevrskl

Crossdos

CP/M

text

editing

Mackowsky

ADVERTISING

PRODUCTION

Steve

Baldwin,

Bruce

Hedin,

Jan

Preston,

Dennis

Chrlstensen

PRODUCTION

DEPT.

Fiona

Davies,

Linda

Drew,

Sandra

Dukette,

Kenneth

Jackson,

Theresa

Ostebo,

Dianne

Ritson,

Deborah

Stone,

Judy

Wimberly,

Donna

Wohlfarth

PHOTOGRAPHY

William

Heydolph,

Terrie

Anderson,

Bill

Suttenfield,

Paul Bablch,

Thomas

Villeneuve

TYPESETTING

Remarks

Wayne

Green

Input

Reviews

Tlw

Assembly

Line

William

Barden,

Jr.

Education

Applications

Accountant

Michael

Tannenttaum

News

Kitchen

Table

Software

David

Busch

Exclusive

ORacle

Dennis

KItsz

New

Products

366 Reload

368

Calendar

386

Index

Advertisers

Sara

Bedell,

Michele

Desrocher,

David

Hayward,

Stephen

Jewett,

Mary

Kinzei,

Ann

Lord,

Kelly

Smith,

Karen

Stewart

Covvr

TflS-80

AUx

St*v«nt

tfademafK

Tandy

Corp.

•

Microcomputing,

October

1981

Plik z chomika:

Amiga789

Inne pliki z tego folderu:

002.ogg (33392 KB)
001alfaatixa.ogg (22789 KB)
001alfaatixa.mp3 (20982 KB)
001_2.mp3 (13131 KB)
002.mp3 (11012 KB)

80Microcomputing_1081_text.pdf

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika: