Sorcerers_Apprentice_V3N8_Dec1981 Sorcerers Apprentice V3N8 Dec1981

(

,j

",

,

TM

PAGE

153

VOLUME 3

NUMBER

8

Dec.

1,

1981

INTERNATIONAL COMPUTER

USERS

GROUP/NEWSLETTER

-

Copyright

(C)

1981

by

Sorcerer's

Apprentice

IN

THIS

ISSUE

-

roDS

&

ENDS................

1 5 3

DISK

NarES

•••••••••••••••••

155

POWER-ON INDlCATOR

•••••••••

155

BITS

& BYTES

•••••••••••••••

157

OFFICE

SORCERER

••••••••••••

159

EVALUATIONS

••••••••••••••••

160

PASCAL PORT

••••••••••••••••

169

DUSTINGS

•••••••••••••••••••

169

WORD

PROCESSING

CORNER

•••••

170

INVERSE FONT

•••••••••••••••

171

HI

NT S & KI

NKS

••••••••••••••

17

1

SAVING

ML

PROGRAMS

W/MDOS

••

172

HARDWARE

NarES

•••••••••••••

172

MEMBERSHIP

FORM

••••••••••••

174

------------------------------------------------------------------------------

ODDS

a

ENDS

by

Ralph

LaFlamme,

Editor

Well I

finally

got

my computer

back

after

being

without

it

for

about

4-

5 weeks.

The

charge

for

repairs

was

not

too

bad,

but

I never did

get

a

full

explanation

of

what

was

wrong

with

it.

I would

hate

to

have

to

rely

on

Exidy

Systems

Inc.

(ESI)

for

repairs

on

my

unit

if

I was

using

it

to

keep

uack

of

my

business.

Considering

that

ESI

is

trying

to

cater

to

the

small

business

commumty,

it

is

pitifully

poor

service

to

expect

a

businessperson

to

put

up

with.

If

this

is

ESI's

idea of

support,

I

would

suggest they

cater

to

the

'computer

game/hobbiest'

market where downtime

with

a computer is

not

as

critical

(but

I

know,

not

liked

any

better).

,

-"

.

The

tardiness

of

the

iast

issue

put:

us

behind

schedule

with

this

one.

I

spent

most

of

my

Thanksgiving

holidays

putting

it

together.

(I

just

finished

it

today,

Nov.

29th,

and

it

goes

to

the

printer

tomorrow.)

This

issue

is

24 pages

long

but

really

would

have

required

28 pages

to

include

all

the

articles

and

columns

that.

we

had

wante(1

to

include.

The

Apllrentice

Port

and

4th

Tip

return

in

the

Unfortunately,

Rudy

Vener

will

not

be

able

to

act

as

co~ordinator

for

SAMMs

(Sorcerer's

Apprentice

MicroNET

Meeting).

He's

busy with

his

studies

at

Rochester

Institute

of

Technology,

and

his

disk

system

is

with

Jack

MacGrath

for

repairs.

If

anyone

else

is

intetested

in.

acting

as

co-ordinator,

please

contact

me.

Kim

Gr

ation

of

Melbourne,

Austr

alia

has

contacted

me

on

the

Source. He would

like

to

join

the

Sorcerer's

Apprentice

and

would

like

to

communicate

with

other

members.

If

you

are

interested,

you

may

contact-

him

at

TCU703.

Once

we have

the

renewals

in

for

I would

like

to

publish

the

account

number.s

of

members who

are

on

the Source

or

CompuServe

(MicroNET).

Please

don't

forget

to

fill

out

this

information

on

the

membership form

found

on

page

174.

I

had

wanted

to

implement

a new

logo

for

the

Newsletter

.before the end of

the

year.

However,

we

have

not

had

enough

time

to

come up

with

a

satisfactory

one.

So,

I'm

announcing

a

BIG

contest

with

BIG

money I

We'll

give a whole _25

to

someone who

can

design

an

acceptable

new

logo

for

the

SORCERER'S APPRENTICE.

Contest

closes

March 15, 1982.

The

new

logo

will

be

chosen by

the

SA

board

of

directors

and

should

appear

in

issue

4.3.

Their

choice

will

be

final.

Due

to

the

tardiness

of

the

last

issue,

Northamerican

Software

has

extended

the

deadline

on

their

Special

Offers.

See their add

on

page

154.

Triangle

Systems

has

moved.

Their

new address

and

phone

number

is:

1690

W.

Lane

Ave.,

Columbus,

OH 43221 -

tel.

(614)

486-3527.

Don

Gottwald's

phone

number,

as

a

contact

person

at

SA, was

inadvertently

left

out

of

the

last

issue.

His

number

is

(313)

286-9265

••

Northamerican Software -Limited Time Offer

This

offer

is

only valid on

orders

postmarked

on or

before

December

31,

1981

when

all

item

s

marked

'SPECIAL

OFFER'

will

te\'ert

back

to

regular

pric

es.

,.---

--------------------------------------------------------------------------------:'

GOLF -Anybody for a round? Play

18

holes

of

GOLF (fully graphic) and complete with all.the usual things, such

a~'-

sand traps, trees, rough ground, streams, lakes

and

greens with close-up view. Better be prepared to get thrown off the

course if you're not good enough or if you hack

up

the greens with anything but the putter. A single player game

in

BASIC

and machine language. (BASIC & ML) . SPECIAL OFFER

$19.95

u.s.

NEW GAMES WITH SOUND EFFECTS

ECHO

-Can

you remember sequences

of

sight and sound? Enhance your ability to remember and train your mind.

Master this skill with ECHO. Just a few minutes a day will improve

and

sharpen your mind. Four levels of difficulty. (ML)

SPIDER -WHO'S AFRAID OF SPIDERS? Imagine yourself

in

a very large room with Obstacles

all

around you. Your

objective is to reach the opposite corner and retrieve some money and get back again. Sounds simple enough, doesn't

it? Well, you might just get eaten or surrounded. These spiders come out of the woodwork like ants. No matter how many

you destroy, they just keep on coming. Fully graphic and with sound. (ML) .

Both the above games come complete with a digital-to-analog sound generator (printed circuit board assembled) that

plugs directly into the Sorcerer Parallel Port.

All

that is required is

an

audio amplifier and you're away to the races. Fully

compatible with other software being currently sold. There is also provision to hook TWO joysticks for game input control.

NOTE: The two programs supplied do

not

utilize joysticks. .

TOTAL PACKAGE PRICE which includes the two programs

...................

SPECIAL OFFER $39.95

u.s.

DISK EXTENDED BASIC 'EXBASIC' ON-SCREEN VISUAL EDITOR

This is the EDITOR that you have been waiting

for.

This program will modify your EXBASIC

and

do away with the

cumbersome Microsoft editor.

You

can modify your BASIC programs to your heart's content, just like on some of the

other computers. The only pre-requisites are that you have CP/M and are running a 48K or larger system

and

have of

course EXBASIC

Ver.

5+.

The program comes with full instructions

in

cassette fashion so that it can be loaded by

any disk user. NOT compatible with MBASIC

Ver.

5. (ML) SPECIAL OFFER $49.95

u.s.

EDOS -MICRO POLIS OPERATING SYSTEM

This system will enhance and allow you full use of Exidy ROM PAC BASIC with disk R/W routines. Are you doing it

thf"~

old way? Very cumbersome to save BASIC programs. Well, at least you now can update and do it the easy way.

EDO~_

~

comes on 5!4 inch disk (16-sectored Micropolis). (ML) . $59.95

u.s.

ZETU

-CASSETTE-BASED Z80 ASSEMBLER

Look,

an

easy-to-use Z80 assembler for the thrifty-minded individual who can't afford

thOSe

biggies.

It

will do what

the big ones can, and guess what, it does it

all

in

memory. No more two passes to the cassette. A very powerful little guy.

Fully documented manual. With on-screen editor. Disk drives

not

required. (ML) SPECIAL OFFER $29.95

u.s.

EXBASIC -

Full

disk-extend~d

BASIC

.....................................

~

....

DP

7310 $325.00

u,s.

Z80 Oisk Development System

.;

...........................

;

......

'

.......

DP

7260 125.00

u.s.

Exidy

precision

P~INT

driver

routines

..

'

..............................

:

....

DP

7221 125.00

u.s.

WPP

PAC

to

disk

~onversions

....................................

'.

. . . . . . .

DP

7220_

99.00

u.s.

Exidy

ROM

PAC

BASIC

to

Extended

19K B'ASIC

.............

: . . . . .

..

. . . .

..

DP

7272 49.00

u.s.

Exidy 19K BASIC

to

EXBASIC

disk

BASIC

..........

:

.......

'

...............

DP

7271 99.00

u.s.

MICROHOME

programs

. . . . . . . . . . . . . . . .

..

. .

..

. . . .

..

. . . . . . • . .

..

. . . .

..

. . .

DP

7100 30.00

u.s.

SORCERY

cassette

programs

................................

'.

. . . . . . . . .

...

DP

3003 50.00

u.s.

SPELLBINDER -Word Processor·

...

'

.......

j •

~

••••••••••••••••••••••••

; • • • • • 375.00

u.s.

TOOLKIT for

Sorcer~r

ROM

PAC

BASIC (2.3K ML)

...........................

SPECIAL OFFER 29.95

u,s.

SWORD -

Sorc~rer

Word Processor

(4KML)

.................................

SPECIAL OFFER 29.95

u.s.

SUPER

GRAPHIC SCRATCH PAD

Ver.

2.2 (BASIC & ML)

...................

SPECIAL OFFER 19.95

u.s,

KNOW YOURSORCERERI, II, 111- For beginners (BASIC & ML)

.............

SPECIAL OFFER 19.95

u.s.

BRICKS -Block your opponent and wall

him

In (BASIC & ML) . . . . . . . . . . . . . . . . . . . . 9.95

u.s.

GALAXIANS -A favorite withall (4K ML)

.....

: . : .

~

..........................

SPECIAL OFFER 18.95

u.s.

MACHINE CODE TUTORIAL PACKAGE

~

8 exercise programs (ML)

.........

SPECIAL OFFER 24.95

u.s.

SOUND GENERATOR & JOYSTICK CARD

by

Northamerican Software

........

SPECIAL OFFER 19.95

u.s.

(ASsembled and tested)

DELIVERY: Software sent out within 10 days from receipt of your order.

TERMS: Orders are payable in U.S.

funds

by

certified

cheque

or

money

order.

C.O.D. orders are

not

possible. VISA and MasterCard accepted.

NOTE: North America only: Postage & Handling minimum $1.50 (up to 3 items)

Each additional item $0.50 extra. DEALER ENQUIRIES WELCOME

Overseas only: $5.00 inclusive of Registrationllnsurance

154

SORCERER'S APPRENTICE, De(-ember

1,1981

SEND TO:

(~

\""..

Northamerican Software

P.O. Box 1173, Station 'B'

Downsview, Ontario

Canada M3H 5V6

) c

~

C.·,

;~

I:

Tl

<J

Tl

DISK

NOTES

by

Bryan

Lewis, CP/M

Editor

For

this

month's

column

I'll

again

use

the

answer

to

a

reader's

question.

Kenneth

Gray requested a recommendation

on

floppy

disk systems

for

the Sorcerer.

In

particular

he

wanted

to

know which systems do

not

require the

S-100

box,

since

he

has

upgraded

his Sorcerer I

to

48K

RAM

without

the

box.

Here's a summary of

the

information

I

dug up by

calling

Exidy,

Vista,

and

Morrow

Designs.

All

of these

are

complete systems:

drive(s),

controller,

cables,

and

operating system.

Manufacturer

& Model

Capacity

LIST

Price

Needs

per

Drive

Box?

------------------------- --------- -------------

Morrow

Designs

Discus

2+2 1000 K

~1495

one,

Yes

(dual

sided)

for

2575

both

Eddy

(with

CP/M

and

MBASIC)

Vista

V200

double-sided

400

(with

CP/M)

K

~1495

both

No

Micropolis

1053

Mod

II

630 K

~1888

both

Yes

Dual-S

ided

(with

NDCS,

Micrps.

Basic)

Morrow

Designs

Discus

2D

500 K

~1095

for

one,

Yes

for

Eddy

(w.

CP/M

1875

for

two

and

MBASIC)

. Exidy

Floppy

Disk

System

(with

CP/M) 305 K

~

995

for

1st

795

for

2nd

No

Vista

V200

for

Exidy

200 K

~1l95

both

No

(with

CP/M)

Micropol

is

1053

Mod

II

315K

~

939

for

one,

Yes

(wi

th

NDCS

1

Micro-

1534

for

two

pol

is

Baslc)

The

list

prices

can

be

deceiving. I've

found

disagreement

between suppliers. Anyway, you

can

get

much

better

prices

if

you're

willing

to

buy

mail-order.

Priority

One

Electronics

(look

for

their ad

in

BYTE

magazine)

sells

the

Micropolis systems

for

26

to

35%

off,

and

the

Discus

systems

for

about

15%

off.

The

'disadvantages

of

mail-

order buying

are

lack

of service

(you

can send

back

a

defective system,

but

you

may

wait

weeks

for

replacement),

total

lack

of

installation

help,

and

a tendency

to

rack

up

phone

bills

for

those

of

us

outside

California.

I

ranked

the

systems

in

the

above

table

by

the

price/size

ratio,

which I defined

as

the

total

price

(adding

in

CP/M

or

the

S-100

box when

necessary),

divided by

storage

capacity

of a two -drive system.

It

surprises

me

to

see the

Micropolis 1053

on

the

bottom

of

that

ranking,

since

it's

a

very

popular

drive among Sorcerer owners.

The

killer

is the

cost

of the

S-100

box.

Another

reason

is

that

the

ranking

system

is

biased

in

favor of the

larger-capacity

drives.

A more

practical

way

to

rank

them for

most

of

us

is

the

cost

by

itself.

(How cheaply

can

I get

ony

size

disk

system?)

Then

the

winner

lS

the

Vista

(still

assuming

you

don't

already have the

S-100

box).

There

are

many

other differences.

I'll

tell

Jou

everything

I know or have

heard;

I hope other readers w' I correct any

misconceptions.

The

Discus 8" drives

are

the

fastest,

and

the

controller

is

I/O

mapped, which means

it

doesn't

take

up

any

memory

space and

won't

conflict

with

other memory areas such

as

the

RomPac.

The

storage

capacity

is

large,

and the

eight-

inch

format

is

compatible

with

lots

of other .computers

and

sUppliers.

Reliability

is

very good. A

bonus

with

the

Discus system is M1Crosoft

Disk

BASIC

version

5.2,

which

would be about

~300

separately

(but

verify

this

wlth

the

dealer

when you

order).

If

you

can

foresee a

future

need

to

buy the

S-100

box,

and

if

you

can

afford

the

extra

initial

cos

t,

then

get these.

[Some readers may be confused by

the

inclusion

of

the

Discus

doUble-density

drives,

since

they

didn't

work

with

the

Sorcerer

at

one

time. They have been modified

and

do work

now; make sure you order the Exidy version.

That

fact

makes

the

older

single-density

Discus system

not

economical, since

it's

almost

as

expensive

as

the doUble-

density.

On

similar

reasoning,

I

haven't

included

the

Micropolis Mod

I,

with

143 K

capacity,

As

long

as

I'm

clearing

up

confusion,

I'll

point

out

that

doUble-denoity

'refers

to

the

capacity

of a

single

side of a

single

disk on a

single

drive;

it

simply means twice

the

capacity

of

whatever the same

manufacturer

used

to

make.

Double-

or

dual-sided

means

that

both

sides of a disk

are

used for stor!lge,

w~ich

doUbles

!he

~apacity;

the

controller

treats

the .palr of sides as one blg

smgle

resource.

Finally,

a

dual-duve

system merely means two mechanical drives

hooked

to

the

same

controller.

They're

separate

--

you

~an't

treat

th~

as

one

big

~ingle,

disk - -

but

having two

lS

very conventent

for

CopylOg

files,

and

is

occasionally

necessary

for

business programs.

Now

back

to

my comments.]

The

CP/M supplied

with

Discus

isn't

very well

tailored

to

the Sorcerer;

I've

been

told

by Ed Mentzer

that

screen

listings

are slow.

That

can be fixed by patching

in

my

BIOS

(available

free

on

the Sorcerer

Bulletin

Board)

if

you're

somewhat experienced

in

assemblf

language.

I believe

that

the source code of the mos 15 supplied with the

Discus, which makes

patching

much easier.

The

Vista

system uses the most

nonstandard

disk

format:

five-inch

soft-sectored.

That

might cause you

future

inconveniences

in

swapping

your

progr ams

with

other

Sorcerer owners, or buying

software

from

any

but

the

largest

vendors.

The

Vista

CP/M

is

well

tailored

to

the

Sorcerer,

and

th~

source code,

is

provided.

Vista

drives

appear

to

require more

maintenance

than

others.

The

Micropolis system

is

a workhorse: sturdy,

reliable,

but

not

real

speedy.

The

disk

format

is

slightly

nonstandard

in

the

CP/M

world,

but

it's

the

most

common

among Sorcerer owners. A

disadvantage

is

that

CP/M is

not

supplied, which

is

something

you

will

want

if

you

want

to

buy almost

any

commercial software. I myself have two

Micropolis drives,

and

have

had

no problems

(other

than

those caused by

my

own

heavy-handed

soldering

on

the

controller

board).

I

don't

know much

about

the

Exidf

system;

I've

seen

it

once

in

a

store.

The

drives are flYe-inch

soft

-sectored

(made by MPI, I

think)

which

is

again

a

comvatibility

problem. The CP/M BIOS

is

good,

but

Exidy

didn

t supply

the

source code

the

last

time I heard.

There

are

some

extra

utilities

supplied,

for

saving

cassette

progr

ama

on

disk

and

linking

the Word Processor

Pac

to

the

disk.

The

Exidy

system is expensive, any way you

look

at

it.O

POWER ON

AND

CASSETTE LOADING INDICATOR

by

Terry

Walters,

San

Diego Computer

Sodety

One

of the

few

things

overlooked by Exidy

was

the need

for

a Power

On

indicator.

This

would keep people from

inadvertently

leaving

the

computer

on

for

extended

periods.

It

may be

noted

that

there is a LED

inside

the Sorcerer

that

flickers when a program

is

being

loaded

from

tape.

This

LED solves

the

problem of a power

indicator

very

nicely

(and

incidentally

saves

getting

up

and

down

all

the

time

to

check

cassette

loading).

TOOLS:

Soldering

iron;

Jumbo LED; 24 inches wire; wirecutters;

transistor

socket.

1.

Remove the top

and

disconnect

the keyboard

plug.

2.

Locate

the

LED

and

remove

it

using wirecutters.

(The

LED is

on

the

left

rear

of the

tape

interface

board,

near

the

power

supply.)

3.

Remove

the excess solder

and

remaining

wire from the

holes.

4.

Attach

one

12

inch

piece of wire

to

each

hole.

5. Solder two of the

three

leads

of a

transistor

socket

to

the

other

end

of

the

wires.

6.

Drill

a

13/16

inch

hole

in

the

vertical

lip

of the

top

just

above the

colored

band

surrounding the keyboard

(above

the

zero

(0)

key).

.

7.

Insert

a new LED

into

the

hole

(it

should

be

snug,

not

needing

glue).

8.

Turn

the

power

on.

Insert

the

leads

of

the

LED

into

the

socket

and

check

that

the LED is

lit

(if

not

reverse the

socket).

9. Mark

the

socket

for

future

reference.

10. Reassemble the computer.

I

think

you

will

find

this

a very useful and

attr

active

modification

to

your computer. 0

TeIIY

Walters

(Source

TCB692; MicroNET 70340,312)

SORCERER'S APPRENTICE, December 1, 1981 155

Z-80

MICRO

PROGRAMMER-

TECHNICIAN

WANTED

For

full-time

employment using

Sorcerer to interface with other

Micro/Mainframe computers.

Submit

Resume

to:

PERSONNEL

P.o.

Box

6666

Troy, Michigan 48099

SORCERER REPAIRS

and

SOFTWARE

SALES

Axe

you

plagued

with

CRC

errIors?

Don't

have

enough

memory?

Or,

is

your

Sorcerer

simply

down?

I

offer

my

services

as

a

professional

technician,

and

will

service

your

Sorcerer

at

very

reasonable

rates.

Every

unit

is

thoroughly

tested

and

burned

in

before

being

returned.

I

also

provide FREE

and

FIRM

estimates

before

repairs

are

begun.

Most

repairs

have a

48

hour

turn

around.

I

also

sell

many

interes-

ting

game

and

utility

programs.

Send

for

your

free

catalog.

Jack

Mac:G:r

ath

P.O.

Box

5,

70

Tercentennial

Dr.

Billerica,

MA

01821

tel

(617)

667-8272

rn

-

mentzer

I C

electronics

590 South Hill Boulevard, Daly City, California 94014

(415) 584-3402

•••••••••••••••••••••••••••••••••••

CP~

Catalog

program,

good

for

cataloging

your

CP/M

disks

dBASE

II

Relational

Database

Management

Program

~

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~

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~395.00

Exidy

1.1

Monitor

ROMS

SPELLBINDER

Word

Processor

Now

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so

f

or

the

Ex

idy

77 u

ack

soft

sectored

drives.

SPELLCHECK

Dictionary

program

to

work

with

SPELLBINDER

CP/M

2.2

For

the

Exidy

with

Micropolis

hard

sector

drives

only.

(CP/M

is

a

trade~ark

of

Dig

it

al

Res

earch)

We

have

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Godbout

Electronics,

and

Morrow

Designs

hardware.

Check

with

us

for

all

your

hardware

needs

•

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MASTER

CARD

and

VISA

on

orders

of

~50.00

or

more.

Shipping

will

be

added

to

all

orders.

California

Sales

Tax

added

for

CA

residents

156 SORCERER'S APPRENTICE, D('("('mb£'r 1, 1981

~295.00

~190.00

0

BITS

2£

BYTES

by

Jonathan

Burnett

Hello

againl

In

this

issue as promised, I

will

attempt

to

explain

the

principles

involved

in

writing

an assembly

language

program,

using

a

utility

program

called

the

'ASS

EMBLER

"

just

one of

the

four

utilities

found

in

the

DEVELOPMENT PAC.

Using

the

small

program

I gave

you

last

month

as

an

ex

ample,

lets

begin:

A program

written

in

assemblr

language

goes

through

many

transitions

before the

fina

product

is ready

to

be

run.

The

first

step

is

to

enter

the

program

into

memory

in

a

format

that

is

readable

and

understandable

to

yourself.

This

format

is

called

'SOURCE CODE'.

It

is

the

'source'

of the

eventual

machine

readable

instructions

that

the

SORCERER

will

execute.

We

enter

the

instructions

for

the

Z80

to

execute

in

the

form

of

'mnemonic'

operators.

This

simplr

means,

the

instructions

are

(easy-to-remember)

verba abbreviations of the

operations

they are

to

accomplish.

As

with

any

of the

utilities

in

the

PAC,

we

must

first

set

up

our

I/O

vectors,

and

in

this

instance,

they are

for

using

the

EDITOR.

Set

vector

:CI

(Cons

01

e

input)

to

:SK

(Sorc'r

keybrd)

Set

vector

:00

(Console

output)

to

:sv

(Sorc'r

video)

Set

vec

tor

:

SI

(Source

input)

to

:BI

(Inp.

to

B

buf.)

Set

vector

ISO

(Source

output)

to

:SV

(Sorc'r

video)

Now

we

enter

the

command: E :ED

[CR]

Once

we

have entered

this

command,

we

MUST

NOT

ever

use

it

again,

until

you

have

safely

stored

the

program

onto

tape.

Each time

it

is

used, the source code

buffer

is

reinitialized,

destroying

any

program

found

there.

If

you ever need

to

re-enter

the

EDITOR,

then

you

MUST use

the

following

command: E :ER [CR]

Now

that

we

are

in

the

EDITOR

we

can

begin

to

enter

our program by typing

the

command: I

[CR]

SI'ART

EQJ •

;

~

CHRIN

;Call

the

monitor

keyboard

JR

Z,SI'ART-~

a?

IIH

JP

Z,WARM

ID HL,OFE8oH

ID DE,OFE81H

ID BC,1920

ID

(HL)

,A

IDIR

JR

SI'ART-~

;

input

routine.

;Loop

until

a

key

is

pressed

;Coapare

to

the

ESC

key.

;If

yes,

go

to

the

mon1tor,

;warm

start

entry

address.

;P.ut

start

of

video

screen"

;address

into

reg

pair

HL.

;Put

the

;into

the

reg

pair

DE.

;Put

the

number

of

byt

es on

;the

video

screen

into

;reg

pair

BC.

;Put

the

input

han

keyboard

;(returned

in

reg

A),

into

;

the

location

addressed

by

;reg

pair

HL.

;Blockmove

this

character,

;

for

the

1 eng

th

in

reg

BC.

;When

done,

loop'back

to

;get

the

pressed.

;

••••••

M:NI'KR

EN1RY

A1DRESS

lQJA1ES

.......

;

CHRIN

EQJ

OE009H

WAR>!:

EQJ

OE003H

;.

.

';Ktiybrd

inp.

routine.

;Mon. warm

start

entry.

;

••••••••••••••

END

Of

PROG~

••••••••••••••

Now

that

we

have entered

all

'the

source code,

we

ar'e

ready

to

assemble

it

into

OBJECT CODE. Press

the

ESCAPE key,

and

the

EDITOR

prompt

character

(.)

will

retUIn~

To

exit

the

EDITOR type

'E'

and

press

the

RETURN key.

This

will

'End'

the

edit

session by

typing

out

the

source

file

through

the

SO: vector (SOURCE

OUT),

which

in

our case

is

the SORCERER VIDEO

(:SV).

And

again

we

must

reset

the

I/O

vectors for

we

are going

to

now use,

called

the ASSEMBLER.

the

utility

Set

vector

:CI

(Console

inp.)

to

:SK

(Sorc'r

keybrd)

Set

vector

:00

(Console

outp.)

to

:SV

(Sorc'r

video)

Set

vector

:00

(Cbject

outp.)

to

:AI

(lnp.

to

A

buf.)

Set

vector

lSI

(Source

inp.)

to

:00

(Qltp

fran

B

buf)

Set

vec

tor

ISO

(Source

outp.)

to

:SV

(Sorc'r

video)

Now

we

enter the command: E

:AS

[CR]

The

assembler now takes over,

and

processes the source

code

file

by passing through

it

twice.

The

first

pass,

will

create

a symbolic

table

of

all

1 abels and their

relative

addresses. The second

pass

will

resolve the jumps

and

calls

to

these

labels

using

the

table.

In

addition,

the

source

code

is

checked

for

syntax

errors,

and

flagged with the

appropriate

elIor

code.

If

a

statement

is

error free, then

it

is

converted

into

obj ect code, where

at

the end of the

assembly, a message

will

indicate

the

number of

errors

(if

any),

were

found.

NOTE: A problem with the EXIDY assembler,

particular-

ly

with

programs of a

length

greater

than

20

lines,

is

that

the assembly

listing,

showing

the

source code

along

with

the

assembled obj ect code

and

any error codes, is scrolled

off

the

video screen,

generally

faster

than

you

can catch

the

errors.

Unless

you have a

printer,

you'll

find

this causes

you a serious problem.

One

temporary aid you might

find

useful,

is

to

put

a

low

value

into

the send

delay

byte

of

the MONITOR work area.

It

can

be found by adding 3F

hex

to

the

start

of

the

monitor

stack

address.

It

ordinarily

contains

00

hex,

for

no

delay.

The

larger

the

value, the greater the

delay.

Now

when the assembler

scrolls

the

listing,

it

can

be slowed enough

to

copy the

errors

by

hand.

Now

it

needs

to

be

understood

that

the

OBJECT code

file

just

aeated

is

not

executable

yet.

This

is

because this

assembler

is

actually

a 'RELOCATING ASSEMBLER', which

requires the use of

another

utility

called

the 'LINKING

LOADER'.

The

object

code

file

contains

additional

information

statements

to

aid

the

LOADER

routines

to

RELOCATE the

object

code

to

any

location

you desire.

Again

we

must set the

I/O

vectors

to

use the

LOADER

utility.

Set

vector

:CI

(Console

inp.)

to

:SK

(Sorc'r

keybrd)

Set

vector

:00

(Console

outp.)

to

:SV

(Sorc'r

video)

Set

vector

:01

(Cbject

inp.)

to:AD

(Gutp

fran

A

buf)

Now

we

enter

the command: L O,FF

[CR]

This

causes the

LOADER

to

relocate

and

load

the

object

file

starting

at

address 0000

hex,

and

to

build

a symbol

table

starting

at

address

OOFF

hex.

This

table

is

used by

the

LOADER

to

correctly

adjust

the addresses

found

in

CALL

and

JUMP

statements,

and

to

resolve

any

labels

marked as

GLOBAL.

When

it

has

done

so,

an asterisk

(110)

will

appear

signifying

that

the

load

is complete.

In

addition

it

will

report

the

starting

and

ending addresses

for

the

now relocated

object

code, which

we

now refer

to

as a

'LOAD

module'.

Now

press the PERIOD key

(.)

to

return

'Control

to

the

MONITOR so you can dump

it

to

tape

or

test

execute

it.

Provided

that

it

does

not

disturb the other

buffets,

your

original

SOURCE and OBJECT code

will,

still

be

available.

You ,might

find

it

convenient

to

use

the

vectors I have

given

in

the above

ex

amples as

you

become

familiar

with

the

PAC.

As

you

will

come

to

realize,

the

DEVELOPMENT

PAC

book,

does

not

provide everything you need

to

know

in

any

one

place.

So

to

assist

myself

I have

constructed

a

table

of

all

the

settings

necessary

to

use the

routines

in

the' PAC,

when

using

the

RAM-BASED

development

configuration,

as

described above. '

I/O

IDI'KR

ASSIM3LER

LQ\DER

OiANNELS

VECIa

VECKRS

VECKR

CI:

15K

:SK :SK

00:

:SV

:&1

01:

n/a n/a

:AD

00:

n/a

:AI

n/a

51:

:BI

:00

n/a

SO:

:&1

n/a

If

you

haven't

already

come

to

this

conclusion,

you

will

shortly

.....

IT

GENERALL

Y

IS

A LOT OF TROUBLE

TO

GET

FROM

ONE ROUTINE

TO

ANOTHERIII

There

is

also

the

added risk,

that

if

you

don't

properly

set

the

vectors,

you

can

destroy the source code

buffer.

Mildly

upsetting

to

say

the

least!

Before

dispaiting,

and

resolving

to

make due

with

BASIC,

help

is

on

the HORIZONIII or more precisely

in

the

In

it

we

will

discuss a

short

Z80

routine

that

will

simplify your

life

(or

at

least

the coding aspects of

it)

immensely I

Until

then,

have

funl

•

SORCERER'S APPRENTICE, December 1, 1981

157

ASTRONOMY

PROGRAMS

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Displays configurations

of

Jupiter's

satellites

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Ask

for any

planet

or Sun

on

any

date

and progrnm selects and displays a

~.

star

map and

plots

planet

plus any others and

Moon

if

in

same region.

\"'_./'

With or without

RA

and

Dec

grid,

and

plots

a

seriES

for

selected time

. intervals. Identifies

stars.

IndicatES phase

of

Moon. $20

RADEC-

Gives

RA

and

DEC

for

planets,

any date. $15

RADCM

for Moon. $10

SKYPN-

Plots

stars,

planets,

Sun,

and

Moon

visible above horizon

at

any

time and

date

in

Northern or Southern Hemisphere

to

85

deg.

lat.

$25

BOOK

of

listings

of

20 astronomical programs with photos of screen displays $25

plus $3.50 postage and

handling

($7

overseas).

(A

self-addressed envelope

for

details.

Available

for

Astrologers

also.)

Eric

Burgess

FRAS,

13361

Frati

Lane,

Sebastopol, CA 945'12 ('10'1) 8'14-2352

STALEY SORCERER SOFTWARE

SORCERER'S SPELL, the

spell-correcting

pro~ram,

is now available on tape

and

has

been modified so

that

it

is compatible

With

SPELLBINDER.

Now

you can use

SORCERER'S SPELL with

any

CP/M

to

find misspelled words

in

Word

Processor files

createa by

the

Word

Processor

ROMPAC,

SPELLBINDER, or any word processing

program. Feature

for

feature, SORCERER'S SPELL rivals

SPELLGUARD

or

SPELLCHECK

but

is

much

less expensive. And now, for a limited time, the price is

reduced from $100

to

$50.

We

are

also

extending

our offer of

any

15 of our

27

game,

statistics,

or

educational

programs for $100.

That

includES our acclaimed SORCERER ASTEROIDS

that

sells

alone

for $19.95. See previous Newsletters for descriptions

and

reviews

or send for

a

catalog.

STALEY'S SORCEREIi SOFTWARE

3497 School Road, Murrysville,

PA

15668

FOR

YOUR

SORCERER

Based

on

Ron

Cain's

small-C,

C/80

was

written

by Walt BiZofsky

of

the

Software

Toolworks.

Triangle Systems

distributes

C/80

for

the

Sorc erer with

an

enhanced

tutorial

introduction

to

C/BO.

C/BO

needs

at

least

40K

of

RAM

.and

either

Exidy

or

MicropOzis

C/PM.

C/80

gives you

the

power

and efficiency

of

structured

programming.

Programs

writtm

in

C/BO

run up to

10

times faster than BASIC

and

require

less

del1lgging.

$

49

DO

C/80

Supports:

Character

and

integer

types

Pointers

and

arrays

String

constants

All

C math and

logic

Full

function

recursion

All

C

control

statements

I/O

redirection

Standard C

I/O

library

Dynamic

storage

allocation

C preprocessor

statements

C/80

includes:

C/80:

compiler

and

library

CASM: absolute assembler

Sample

C/80

programs:

file

compression

utility

file

comparison

utility

WP

Pac

file

conversion

158 SORCERER'S APPRENTICE, December 1, 1981

o

)

------------

---

THE

OFFJlCE

SORCERER

by

Roger

Hagan,

Business

Editor

I

have

a

small

business

in

which

I

sell

and

use

the

Exidy

line

as

business

equipment.

Because

of

this,

Ralph

LaFlamme

suggested

that

I

act

as

Editor

of a

column

on

the

Sorc

erer

as

a

business

machine.

I

have

consented

to

do

so

and

will

try

to

restrict

my

contribution

to

solid

news,

reviews,

actual

programs

and

macros.

Initial-

ly,

I

wish

to

give

my

perspective.

I am

primarily

a

writer,

secondarily

a

pr

oduc

er,

and

thirdly,

a

businessm

an.

I

first

bought

a Sorc

erer

for

its

Word

Processor

Pac,

then

taught

myself

Basic

to

do

a

business

accounting

program

for

my

company,

and

finally

taught

myself

assembly

language

to

create

a

sort

program

that

would

work

with

Word

Processor

Pac

files.

I

needed

this

a

lot

but

nobody

had

one

available

so

I

had

to

do

it

myself.

I

have

now

started

another

company

with

a

new

partner

to

deal

in

microcomputers

for

business,

for

writers,

and

for

self-employed

profes-

sionals.

This

has

pr

ovid

ed

me

with

the

opportunity

to

work

on

several

systems

and

compare

features.

We

sell

S-100

based

systems

with

8"

disk

drives

and

Televideo

and Adds

terminals,

and

we

are

getting

into

the

Zenith

line

as

well.

With all

these

other

systems

available,

why

do

I

still

like

the

Sorc er

er?

Familiarity

may

be

a

large

factor

in

why

I

like

this

system,

but

I

still

work

on

the

Sorc

erer

by

preference.

The

keyboard

is

ideal

for

Word

Processing,

the

Monitor

has

excellent

subroutines

which

can

be

accessed

both

directly

and

from

programs,

and

the

Word

Processor

Pac

is

a

bargain

which

outclasses

software

on

any

other

home

micro,

especially

if

PPRINT

is

added.

Spellbinder

finds

probably

its

best

home

on

the

Sorcerer,

with

the

keypad

carrying

the

editing

com m ands

rather

than

function

keys

arrayed

across

the

top

of

the

keyboard.

The

Arkay

key

tops

make

it

very

easy

to

master,

without

the

help

of

screen

messages,

which

I

hate

in

all

WP

system

s:

Spell-

binder,

Word

Star,

and Magic Wand.

The

Pac

Basic

is

applic

able

to

cassette

based

business

programs

for

a

sm all

offic

e

grossing

up

to

a

million

dollars

a

year

if

whole-dollar

accounting

suffices.

It

does

suffice

for

tax

I?urposes.

The

ROM

graphics,

along With USR

subroutines

which

have

come

out

in

the

newsletters,

allow

sophistic

ated

cursor

addressing

and

screen

formatting

for

such

software.

The

Exidy

disk

system

is

capacious,

at

296K

per

side

formatted,

and

well

thought-out,

allowing

Rom

Basic

programs

to

be

saved

and

run

from

disk.

And, EXBASIC

on

disk,

or

its

cassette

version,

ue

full

Microsoft

implementations

allowing

higher-

precision

math

and

the

use

of

powerful

business

programs

with

minim

al

m

odific

ations.

But

best

of

all,

there's

no

fan.

The

S-100

systems

with

their

big

fans

are

noisy.

And,

the

monitor

can

be

set

at

any

distance

from

the

keyboard.

The

fatigue

factor

of

being

jammed

up

against

the

monitor

is

documented.

For

this

reason,

with

the

exception

of

the

Zenith,

we

show only

monitors

with

separable

keyboards

on

the

larger

systems.

Although

it

seems

that

many

readers

of

the

Apprentic

e

have

moved

to

disk,

the

g eni.us of

the

Exidy

system

remains

10

how

well

it

functions

as

a

cassette

based

system.

I c an

provide

a

writer

with

a

fully

professional

capacity

word

processor,

with

more

output

formatting

power

than

Magic Wand, and a

Daisy

Wheel

printer,

for

less

than

$4000j

with

a

rebuilt

Wang-Selectric

terminal

(not

a

typewriter

conversion),

or a

dot

matrix

draft

printer,

for

less

than

$3000,

if

he

can

forego

disk. I know

that

users

with

Sorcerer

Ones

have

troublesome

cassette

interfaces,

but

the

fixes

are

now

well

known,

and

Twos

are

relatively

dependable.

I've

used

one

on

cassette

for

two

years

of

word

processing.

For

the

cost

of one

standard

small

business

micro,

I c an

provide

an

offic

e

disk

based

system

and a

machine

to

keep

at

home

to

work

with,

and a

method

(cassette)

of

transporting

drafts

between

the

two

systems.

And,

those

of

us

with

different

disk

system

scan

exchange

progr

am

s

nonetheless

with

cassettes.

It

re-

m ains

our

universal

language.

With

cassette

Extended

Basic,

I

can

also

save

a

disk

Basic

program

with

the

",A"

option

for

an

Ascii

version,

rename

it

to

a Word

Processor

file,

load

it

in

Word

Processor,

and

save

it

on

cassette

to

take

home

for

more

work,

in

either

Word

Processor

or

in

Cassette

Basic.

(For

the

latter,

and

for

getting

the

program

back

into

disk

Basic

at

the

office,

the

trick

is

to

get

the

resident

Basic

to

read

the

Ascii

file

in

RAM

as

if

it

were

being

input

from

the

keyboard.

The

program

to

achieve

this

will

appear

in

the

So,

to

summarize

the

attitude

behind

this

column,

I

believe

that

as

much

work

as

possible

should

be

gotten

out

of

the

Word

Processor

Pac

and/or

Spellbinder.

Because

Steve

Guralnick

does

a

column

on

the

latter,

I will

pay

some

attention

to

useful

macros

for

the

Word

Processor

Pac,

and

later

to

Spellbinder

if

he

tires.

I

have

created

macros

for

the

WP

Pac

which

duplicate

the

functions

of

those

on

the

Spellbinder

demo

disk.

The

Pac

can

work

hard

for

you.

(Spellbinder

is

being

expanded

by

its

creators

into

a

total

office

system.)

Second,

the

most

useful

business

programs

for

imm

ediate

use

on

the

Sorcerer

are

those

in

Microsoft

Basic.

Exidy's

EXBASIC,

which

is

a

superset

of

Microsoft

Basic

v.5,

EXBASIC

can

handle

direct

cursor

addressing on

the

Sorcerer

very

simply.

The

CP/M

2.2

now

released

by

Exidy

promises

to

solve

cursor

addressing

problems

for

other

software,

so

the

picture

may

change,

but

for

the

moment

the

programs

easiest

to

customiz

e

to

your

applic

ations

will

be

those

compatible

with

the

Basic

you

get

with

Exidy

disk

drives.

[Ed

Mentzer

is

now

imple-

menting

direct

cursor

addressing

in

his

CP/M

2.2.

-

RL]

Off-the-shelf

business

programs

alm

ost

universally

call

for

two

drives,

but

I will

be

discussing

methods

of

adapting

them

to

single

drive

systems.

Many

call

for

80

character

screens

and

are

not

adaptable

to

the

Sorcerer.

Others

provide

a

64

character

option,

or

are

of

a

nature

that

the

occasional

wraparound

is

not

troublesome,

and

do es

not

0 c

cur

in

prin

tou

ts.

I w

ill

try

to

solve

this

problem

insofar

as

--possible.

I will also

be

discussing

viable

SORCERER'S APPRENTICE, December 1, 1981

cassette

based

equivalents

wherever

I

can

find

them

or

create

them.

Incidentally,

in

such

progr

ams,

it

is

often

desirable

to

save

string

an

ays.

My

cassette

business

programs

were

made

possible

by

the

solution

to

this

problem

by

the

founder

of

The

Apprentice,

Dave

Bristor.

He

came

up

with

his

solution

two

y.:ars

ago.

(Our

Australian

friends

were

still

struggling

with

the

problem

a

year

lat

er.)

But,

in

business

applic

ations,

even

for

the

one-person

office,

the

presence

of

at

least

one

disk

drive

is

what

makes

the

daily

use

of a

business

program

truly

practical.

A

cassette-

based

business

program

for

income-

tracking

and

accounts

receivable

takes

5

minutes

to

load

at

1200

baud!

So

you

tend

not

to

load

it,

and

soon

the

c ash

is

moving

around

untracked.

I will

review

any

program

sent

to

me

which

has

a

business

or

profession-

al applic

ation,

and I

hope

som e

of

these

will

be

generated

by

readers.

As a

dealer,

I will

try

to

arrange

sales

and

demos

for

such

products,

if

they

show

promise,

but

will

share

code

only

on

some

of

my

own

software,

and

pass

along

none

as

favors.

Now

for

a

quick

review

of

what

is

now

available

for

use

on

the

Sorcerer.

All of

these

will

be

discussed

in

the

future.

1.

The

Compumax

business

package

"Microbiz",

fully

adapted

to

the

Sorc

erer,

is

the

system

Exidr

sells.

It

receives

fair

to

good reViews

in

professional

public

ations,

but

gets

high

marks

for

adaptability

and

for

providing

sourc e

code.

It

consists

of

seven

integrated

modules

at

$350

each.

Many

small

businesses

would

not

need

the

inventory

or

payroll

modules,

and

order

entry

might

not

be

needed

either.

2.

Exidy

says

Supercalc

is

available.

A

spreadsheet

program

for

such

IF=fHEN

exercises

as

cash

flow

projections

is

one

of

the

most

useful

things

a

micro

can

do,

which

is

why

Visic alc is one

of

the

most

successful

sellers

in

micro

history.

But

none

is

yet

on

the

Sorcerer.

And

Exidy's

version

does

not

work

with

less

than

56K RAM, so

it's

intended

for

their

new

Multi-N

et

80

system

based

on

the

White

computer,

not

the

Sorcerer.

System

Software

is

reported

to

be

working

on

a

Supercalc

implementa-

tionj I

hope

so.

Meanwhile,

I

need~d

one

NOW,

so

I

wrote

one

10

EXBASIC.

I'll

publish

the

code

in

a

future

issue

of

the

Apprentice,

but

I'll

sell

it

on

disk.

I

think,

from

the

way

it

is

going,

that

a

Basic

Rom

Pac

version

will

be

possible

too,

using

Paul

Grimshaw's

ingenious

cursor

addressing

program

which

requires

only

"OUT

col,

row"

to

place

the

cursor.

[In

a

future

issue.

-

RL]

3.

Guralnick

and

Rubin

have

pro-

duced

a

powerful

set

of

macros

for

Spellbinder

to

make

it

take

over

a

lot

of

work

in

a

law

office.

A

review

on

this

is

forthcoming.

Price

not

setded.

4.

Lexisoft

has

released

SPELL-

CHECK,

their

version

of

the

SPELLGUARD

dictionary.

It

works

on

any

Ascii

disk

file,

so

you

do

not

need

Spellbinder

to

run

it.

It

can

be

used

with

Word

Processor

Pac

disk

files.

It

lists

for

$295,

but

will

be

discounted

to

Apprentice

members.

5. Exidy

in.

co-operation

with

Chicago

Systems

Inc.,

has

released

two

sets

of

programs

in

the

field

of

159

banking and

loan

processing,

called

Genual

Banking and

Installment

Lending.

The

programs

are

in

Microsoft Basic and

provide

a

useful

set

of

calculations

and quick.

printouts.

6. Exidy has also shown

dealers

a

Legal

Billing

demo

program

in

Microsoft

Basic,

but

has

not

yet

released

details

on a full,

saleable

f

rogram.

Exidy

seems

to

be

targeting

aw

cffices

in

much of

its

advertising,

so

more

of this

type

of

software

can

be

expected.

7.

Ledsoft·

has

agreed

to

provide

sufficient

source

details

to

enable us

to

adapt

WSORT

to

Spellbinder,

but

those

details

have

not·

yet

arrived

at

our

office.

8.

dBASE

II,

one

of

the

best-

reviewed

data

base

management

systems,

has

been

implemented

on

Eddy

equipment,

but

we

have

yet

to

see

it.

It

i8 a 1 anguag e

in

itself,

allowing an

office

to

customize

it

to

its

forms

and

requirements.

It

takes

some

time

to

learn.

It

lists

for

around

~700.

We

can

review

it

based

on

other

cystems

in

our

office,

but

we

will

wait

,until

we

see

it

behaving on

our 64

column

screen

and memory

mapped

video,

which will

necessitate

our acquiring E:ddy's new

CP/M

2.2.

9. CADAS,

the

Cassette

Database

System

by R.J.V.

Stafford,

allows a

good-sized

membership

lin,

inventory

or

payable

file

to

be

set

up,

sorted,

tot

lIed,

and

printed

out

in

a flexible

format.

It

1S

column

oriented

and

limited

to

9

lines

of

56

characters.

10.

The

newly

advertised

cassette

"General

Business

System"

by

Lee

Anderll,

issued

by

Quality

Software,

appean

to

be

another

database

system,

at

$99.95.

We

will

seek

a

review

copy and

report.

11

•.

Triangle

Systems

of

Columbus,

Ohio,

has

been

advertising a

math

extension

for

the

Word

Processor

Pac,

and

had

agreed

to

exchange a preview

coPy

for

a copy

of

WSORT1

but

since

bemg

sent

WSORT, has

been

incommunicado

for

over

two

months

and doeo

not

retum

phone

calls.

Probably bugs.

We

still

have

high

hopeD

for

Mr.

Wim

Piatt'll

promised

augmentation'

of

the

Pac,

and

for

that

rcaGon

have

refrained

from

under-

taking

a

math

and

decimal

tabulation

program

for

it

ourselves.

[A

call

to

Wim

Plaat

confirmed

that

bugs

have

been

a problem

in

integrating

the

WP

extension

with

WSORT. -RLl

12.

The

same

lack

of response has

been

found

from

Staley

Software,

who·

briefly

advertised

a Sorc

erer's

Spell

dictionary

for

a

very

reaaonable

puce.

Weare

anxious

to

analyze

that

program

and

report

to

you,

but

our

mail

to

them

has

been

unanswered

for

two

months.

[See

Staley

Software's

Spell

dictionary

ad on

page

158. -RLJ

I

hope

to

be

able

to

expand

this

list

of

Sorcerer

work

programs

every

month,

as well as

provide

useful

details

and

reviews

••

<<<

CLASSIFIED

ADS>>>

$1/line

$l/line

========================~====

FOR

SALE

SRent

Printer:

Trendcom 200,

8.5",

Parallel,

ASCII

at

graphics. Cable.

extra

or make your own. Includes

progr

am

to

dump screen

to

printer.

'UO

+ shipping

and

insurance.

LoM.

Zatz,

959 Mears

Ct.,

Stanford,

CA

94305. (415) 49.3-0692, eves.

160

I

IANNOUNCEMENT

MAKE

THE

SORCERER

DO

REAL

WORK

WITH:

WSORT,

The

Word Processor

Sort.

This Z-80 utility can

now

be

loaded

warm

or cold

from

tape or

disk, without destroying anything in

RAM.

'It

becomes

a

new

WP

command,

sorting records of any length and

shape very quickly. Specify your

equipment and disk' operatint!' system.

On

tape, $47.50.

On

disk with

related utilities for Exidy

CPM

(or

on cassette with the utilities ready

to

transfer

to

disk for another

CPM),

$75.

HAGMf

SPREADSHEET

Despairing of finding Visicalc

adapted

to

a Sorcerer, and knowing

that

Supercalc takes

56K

RAM,

we

wrote our own.

Now

it's

in

all

three

Exidy Basics.

Up

to:

13

columns,

40

rows,

20

in-column relational formu-

lae, 5 steps per formula, 3 subtotals

per column

which

may

be

independent

sootions,

10

lines excluded from

addition. Formulae entered as

res-

ponses

to

queries, before, during, or

after

data

entry.

Full

or empty

sheets

may

be

saved

with their labels

and formulae

to

tape or disk, ready

to

re-use. A set of

these

can be

developed. for various uses.

Your screen is a four-by-twenty

window

on any part of the sheet. A

total-of-rows

column can

be

tempo-

rarily placed anywhere on the sheet

to

show

intermediate or year

row

totals.

Help

menu

available

at

all

times; fully self-documented, but

comes

with short manual and sample

file.

Never

did

the Sorcercer

seem

more

justified than

when

we

first ran a

twelve month cash flow projection

and

showed

that

the lease

we

were

about

to

sign would

be

a disaster

seven

months

down

the road.

In-

cludes a graph module,

so

even

my

partners could see

where

the bank

balance

was

headed. Change

some

input values, run the sheet

calcula-

tion,

and

print

a

new

graph

to

show

an alternative future.

Up

to

six

selectable

rows

of values are plotted

against the compressed column grid;

self

-ranging.

Spreadsheet and graph values are

standard Basic arrays and can

be

created or aroessed

by

other

Basic

programs. Source is not protected

and is modifiable. Instructions

show

how

to

expand the resident operator

set. Commented source is available

to

purchasers for a small surcharge.

Maximum

13X40

size is set

by

RAM

available; therefore, the

RomPac

ver-

sion can

be

modified

to

create a

much

larger sheet

in

48K.

Use

for cash

.flow projection, performance sum-

maries, test

data

tabulation, ecolo-

gical models. Specify your Basic.

The most useful program

we

have

tried. On cassette, $4'1.50. Exidy

Disk Basic version

$75

with

all

modules chained and sharing data.

ROGER

BAGAN

ASSOCIATES

1019 Belmont Pl. E

Seattle,

WA

98102

SORCERER'S APPRENTICE, December 1, 1981

EVALUATIONS

by

Emiliano

De

Laurentiis

WSORT, a program by Roger

Hagan

Associates,

costs

~47.50,

and

is

worth

every

penny.

If

you need a

fast,

no

fuss,

reliable

and

inexpensive

sort,

then

this

is

'the

one.

It

took

me less

than

two hours

to

learn

how

to

use

it,

and

I

probably

would have

learned

it

faster

if

I

had

bothered

to

read

all

eight pages of

instructions.

The

progr

am

LOG's

into

memory

and

can

be

called

from

the

WP

Pac using a new command,

GIS.

If

you have disks,

then

it

uses

your disk drive

routines

such as Exidy

Systems' DISKDRIV,

for

saving and

loading

sorted

files.

Sorting

is

fast

because WSORT

sets

up

an

index of the file and

sous

the

index,

rather

than

the

actual

file.

This technique reduces the amount of

blocks of

text

that

the

program

would otherwise have

to

slmffle

if

indexing

were

not

used.

The

program

sorts

by words,

not

characters

or column spaces, so

that

one

may have words of

different

length

ad have

it

sorted

just

as

easily.

Similarly,

the records, or the

blocks of

text

that

are

to

be

sorted

(eg.

mailing

labels)

may vary

in

length;

also,

the

field

which is used

for

sorting

may occur anywhere

in

the

record. A

field

may be

the

last

name

of

aJstomers, for

ex

ample,

OI

the

Zip

code.

You may

also

store

both,

a

sorted

version of a

file,

and the

unsorted

version

in

memory (assuming

that

each

file

takes

up

only

half

the

memory space) so

that

the

same

file

can

be

sorted

for

different

fields.

And, of course,

if

an error

is

made

in

setung

up the

file,·

it

is a simple

matter

to

return

to

the

WP

Pac

to

make the

corrections.

When

setting

up

records,

different

char acters may

be

used

to

delimit

the

records. I discovered,

in

fact,

that

graphic char acters

will

also

be

accepted as a delimiter.

This

may

prove useful

for

files

which may

include

just

about

any

ASCII

charac-

ter and

an

unused delimiter would be

hard

to

find.

Despite

it

being such a well

written

progr

am, there are suggestions

that

could

be

made for,

its

improvement.

For

one

thing,

when

inputting

values

in

the

menu,

the

value

that

is

entered

does

not

show

on

the screen

until

one

presses

return.

This

can

be more

than

a simple nuisance

for

a novice,

computer userl

Similarly,

in

order

to

make a change

to

any

value,

it

is

necessary

to

restart

the

menu. You

cannot

simply backspace

to

erase a

character.

The

documentation

(l

had

a

preliminary

draft)

is

gener

ally

very

complete except for

one

glaring

omission, there were no specific

instructions

for how

to

load

the

progr

am

flom

cassette.

Is

it

LO?

OI

LOG?

etc.

Some

polishing,

and

this

will

classify

as

some of

the

best

documentation

I have

read.

WSORT

is

well

worth

the

price.

When Roger

Hagan

releases

another

version

of

WSORT

with

disk

1/0

fOI

sOIting

larger

than

memory

files,

then

the

proglam

will

easily

be

worth

twice

the

amount! e

("-----:

\ I

'.-.-~'

/

(

o

AR RINGTON

SOFTWARE

SERVICE

9522

Linstock

Boise,

IDAHO

83704 U.S.A •

••••••••••••••••••••••••••

< < < < < 1981

CHRISlMAS

CATALOG>

> > > >

.*.* •••••• * ••••••• * •••• *.*

Arlington

Software

Service

is

pleased

to

present

its

1981

Christmas

catalog.

This

eight

page

colored

section

lists

the

products

we

have

to

offer

to

help

make

this

an

enjoyable

and

pleasant

season

of

gift

giving.

Just

fill

out

the

order

form

on

the

reverse

side

and

return

it,

as

soon

as

possible,

to

receive

your

order

in

time

for

Christmas.

An

item

not

listed,

is

the

new

Votr:u

speech

synthesizer

at

$370.

Just

give

us

a

call

to

hear

how

it

sounds.

(See

phone

number

on

reverse

side.> A

program

that

you should

pay

particular

attention

to

is

our

newest

release

called

CHOMP.

CHOMP

IS

A CHAMP

by

Ralph

LaFlamme,

Editor

Do

you

remember

Christmas

when

you

were

little?

The

antiCipation

of opening a

gift?

The

excitement

of

playing

with

a

new

toy?

Well

get

ready

to

be

young again! CHOMP,

a

game

fashioned

after

the

very

popular

Pac-Man

video

arcade

game,

is

just

the

thing

to

bring

out

the

kid

in

any

adult

I

(I

suspect

real

kids

would

be

more

than

a

little

int

er

es

ted

also!) .

In

this

game,

you

control

a

little

fellow

who

is

all

mouth.

He

goes

around

chomping

up

the

dots

in

a

maze

of

alleys.

You

get

points

for

each

dot

that

he

eats.

When

he's

eaten

up

all

the

dots,

'you

get

another

'plate

full'.

Sound

exciting?

No? Well

it

is

because

you

are

constantly

being

chased

down

by

four

hood-like

characters

with

big

eyes.

Get

in

theiJ:

way

and

you

get

chomped.

These

'villains',

however,

have

their

weakness.

They

become

vulnerable

to

being

chomped

up

when

you

eat

one

of

the

four

large

dots

in

the

alleys.

They

become

'ghosts'

of

their

former

selves.

But

hold

onl

You

only

have

a

short

time

to

take

out

your

revenge.

Get

them

quick

I

They

will

return

to

their

villainous

ways

very

soon.

You

get

200

points

for

your

first

one

and

multiples

of

this

for

each

additional

one

so

it's

worthwhile

taking

the

chancel

If

dodging

the

'hoods'

and

being

chased

away

from

chomping

up all

the

dots

were

not

enough

to

be

concerned

about,

IOU

also

have

a

bunch

of

cherlies

that

keeps

appearing

at

random

times.

Chomp

these,

i

you

can

get

near

them,

they

are

worth

a

lot

of

points

I

Makes

for

quite

a

fast

action

'juggling

act'.

You

get

three

chomps

to

play.

Make

the

most

of

them.

I've

already

gotten

over

13,000 and

I'm

just

limbering

upl

This

game

has

action.

It

has

excitement.

It

has

suspense.

It

requires

strategy.

And,

it

has

superb

graphics.

Isn't

that

why

you

bought

your

Sorcerer?

Howard

Arrington

compares

this

game

to

Galaxians

in

excitement

and

graphics

resolution.

I find

it

a

cut

above.

It

is

more

challenging

and

exciting

and

better

sustains

my

interest.

I

would

rate

this

game

a

definite

must

to

any video

arcade

aficionado.

This

is a

very

well

written

machine

language

progr

am

that

I'm

told

took

over

a

year

to

wlitel

The

only

negative

I

find

is

that

use

of

the

four

keypad

arrow

keys

gets

somewhat

awkward

after

a

while.

Use

of a

joystick,

and

the

addition

of sound, would

improve

the

enjoyment

still

further.

I

used

the

method

outlined

in

this

issue's

article,

Saving

ML

Programs

On

Micropolis

Disk,

to

transfer

this

program

to

disk

for

a

simple

load/run

capability.

SORCERER'S APPRENTICE,

December

1, 1981 161

ARRINGTON SOFTWARE

SERVICE

9522

Linstock,

Boise, IDAHO 83704

CHRISTMAS SHOPPING?

Software

makes

an

appreciated

gift.

If

we

could

be

Santa's

helper

we

would

have

Santa

fill

the

stockings

with

some of

the

great

products

from

this

catalog.

Everyone

enjoys

our Music

System

and

Piano

Player.

Be

sure

you

have

all

of

the

following

highly

recommended

items

under

the

tree

this

year:

[]

MUSIC SYSTEM I

and

PIANO PLAYER, OR MUSIC

SYSTEM

II

[J

MOZART RONDO,

THE

STING,

AND

MAPLE

LEAF

RAG

SONG

FILES

[J

SORCERY BREWS

MANUAL

[J

DATABASE

SYSTEM

II

[J

GALAXIANS

GAME

[J

CHOMP

GAME

[J

GRAPHICS

PACKAGE

I,

OR

GRAPHICS

PACKAGE

II

All

orders

are

in

the

return

mail

within

3

days.

Software

is

recorded

at

both

300

and

1200

baud

and

is

guaranteed.

We

seek

to

have

your

approval

and

satisfaction.

We

will

try

to

answer

questions

and

be

of

service

in

every

possible

way.

We

thank

our

patronage

for

a very successful two

years.

promises

to

be

even

better

as we

continue

to

grow

in

staff

and

product

offerings.

Our

formula

for

success

has

been:

Customer

Satisfaction.

We

want

to

bring

you

the

very

best

software

for

the

Sorcerer,

and

support

it

with

the

service

that

has

made

us

unique.

Again,

thank

you

very

much.

See

the

pages

for

details

on

all

the

items

we

are

offering

this

Christmas

Season.

KEY: B-Basic

M-Machine

code

U-Utility

G-Game

S-Sound

J-Joystick

or

keyboard

H-Hardware

E-Education

F-Music

File

HaVARD

ARRINGIm

9522

LINSlOCK

BOISE,

IDAHO

83704

(208)

377-1938

After

6

p.m.

Moun

t a

inS

t

and

a r d

Time.

Checks

O.K.

-No

credit

cards.

[ J

MUS

IC

SYSTEM I

$40.00

BMUSHEF

SORCERER

SIZE»>

16K 32K 48K

[ ] PIANO

PLAYER

$15.00

MF

RETURN

ADDRESS:

[ ]

MUS

IC

SYSTEM

II

~

5 9 • 9 5

BMUSHEF

[ ] FINLANDIA FANTASIA

$10.00

FF

[ ] BOOGIE &

ELEANOR

~10.00

FF

[ ]

'JESU'

&

ODE

~

JOY

$10.00

FF

[ ]

STRAUSS

WALTZES

~

5.00

F

[ ]

~T

RONDO

$10.00

F

[ J WILLIAM TELL

OVERT

.~

5.00

F

[ ]

MOCKINGBIRD

$

5.00

F

[ ] STING &

MAPLE

RAG

~10.00

FF

[ ] BACH'S

BOUREE

IN

C $

5.00

F

[ J CHESS 'BRUCE'

~17.95

MG

[ ] GRAPHICS

PACK

I

$25.95

BMU

[ J GRAPHICS PACK

II

$25.95

BMU

[ ] DISASSEMBLER

~

17

.95

MU

[ J

CROSS

REFERENCE

~

14 • 95

MU

[ ]

MUSI~L

HORSERACE

~10

.00

BMiS

[ ]

JAIL

BREAKaJf

$10.00

MGS

[ 1

IDIIDR

FOR

BASIC

$10.00

MU

[ 1 <:pICK

EDIT

$10.00

MU

[ ] MIT ITARY ENCDlNTER

~

1 5 • 95 BMi

[ 1

2716

EPROM

BURNER

$49.95

MUH

[ 1 IXUBLE PCRT

BOARD

~

7.95

H

[ ]

DOUBLE

pan

a:MPLETE~24.95

H

[ 1

CHARACTER

GENERATOR

$10.00

BU

[ ]

GALAXIANS

~19.95

1~SJ

[ ] JOYSTICK PAIR

$39.95

BMUH

(+~5

OVERSEAS

POST)

[ J

CH::MP

~19.95

MG

[ ]

JUKEBOX

a::MPLETE

~40

.00

MUEFHS

[ ]

JUKEBOX

{no

board)~21.95

MUEFS

[ J ARTILLERY

$10.00

BMG

[ ]

CUBES

~15.95

MG

[ J

DATABASE

SYS

II

~29.95

MU

[ J

M.aDE

TlJIORIAL

~25.95

ME

[ 1

SCREEN

GENIE

$14.95

BMU

[ ] CASSETTE

FILES

~14.95

MU

[ ] SPACETREK

32K

$14.95

BGS

[ ]

BLACKJACK

$10.00

BG

[ 1 <:PBIC

$10.00

BG

[ 1

~LLO

$10.00

MG

[ 1

CCNCENTRATION

$10.00

BG

[ J CIRCUS

$17.95

MGS]

[ J

MISSILE

DEFENSE

$17.95

MGJ

[ ]

SUPERX

EDITOR

$21.95

MU

[ ]

DYBUG

TOOL

~14.95

MU

[ ]

SCREEN

SYSTEM

$25

.95

MU

[ J SPACE

INVADERS

~17.95

BMGSJ

[ 1

SCRCERY

BREWS

~14.95

E

(+$4

OVERSEAS

POST)

162 SORCERER'S APPRENTICE, December

1,

1981

c

I

~.

~

C~

ARRINGTON SOFTWARE

SERVICE

9522

Linstoc~

Boise, IDAHO 83704

!JPGRADES.

of

our

pro~ucts

occur

fr?m

time

to

time

as new

features

are

added.

Our

policy

IS

to

provide you the Improved versIon

at

the

cost

of

the

postage,

packaging,

tape

and

labor.

We

will

provide

upgrades

at

these

prices

only

to

those

for

whom

we

have a record

of

your

[ ]

~

5.00 INVADERS with

sound

and

joystick

control.

[ ]

~

5.00

GALAXIANS

with

sound

and

joystick

control.

[ ] $ 6.00

DATABASE

S

YS

II

with

both

cassette

and

CP

1M

storage

routines.

[ ]

~

8.00

MUSIC

II

with

cassette

and

CP

1M

storage

routines

IF

you

also

already

own PIANO PLAYER.

[ ]

~22.00

MUSIC

II

with cass

ette

and

CP

1M

storage

routines

IF

you

do

not

own

PIANO PLAYER.

[ ]

~

5.00

CASSETTE

FILES

with

separate

read

and

write

buffers

for

two recorders.

CIRCUS

is

another

great

game by

Martin

Sevior, the

author

of

Invaders

and

Galaxians.

A

clown

jumps

off

a

platform

onto

a

tr

ampoline

which

you

move

back

and

forth.

The

clown

bounces

high

to

pop

balloons

that

move across the

top

of

the

screen. He

then

falls

back

to

the

trampoline

that

you

were supposed

to

move

underneath

him.

If

you

misjudge

the

placement

of

the

trampoline

the

clown

splats

on

the

ground,

and

another

clown

jumps

from

the

platform.

Each

game

lasts

until

three

clowns have met

with

ill

fortune.

Scoring

is

according

to

how

many

balloons

were popped,

plus

a few

bonus

situations.

The

game is

complete

with

sound,

keyboard

or

joystick

control.

Sevior's graphics

are

excellent.

'17.9S

CASSETTE

FILES

gives

your

Basic

programs

filing

capabilities

using

two

cassette

recorders.

Basic

programs

have

complete

control

of

both

tape

recorders.

The

READ

and

the

WRITE

functions

operate

from

separate

buffers

which

allow

you

to

intermix

READ

and

WRITE

operations

via

two

recorders.

This

will

greatly

simplify

your

business

programs

by

reading

from

one

recorder,

processing

data,

and

writing

a new

file

to

the

second

recorder.

USR(O)

USR(C)

USR(W)

USR(R)

USR(S)

USR(F)

USR(P),

USR(D)

OPEN

file.

Put

the

file

name

in

TP~.

Always use a 5

letter

name.

Files

are

written

and

read

by

this

name.

CLOSE

file.

Always

the

last

statement

when

finished

writing

a

file.

Empties

buffer

onto

tape.

WRITE

TP~

string

into

buffer.

When

the

buffer

is

full

it

is

automatically

wIltten

to

tape.

READ

from

buffer

and

place

in

TP~.

A

file

is

read

from

tape

when

the

buffer

is emptied.

Connects

output

to

300

baud

serial

printer.

Connects

output

to

1200

baud

serial

printer.

Connects

output

to

centronics

parallel

printer.

Disconnects

printer.

Passing

a

parameter

value

of

2

in

the

READ, WRITE,

and

CLOSE

commands

controls

the

motor

control

of

unit

#2.

Unit

#1

is

controlled

by a

parameter

of

1.

Example:

R=2:Z=USR(R):W=1:Z=USR(W):C=1:Z=USR(C):REM

Read from

#2,

Write

to

#1

and

then

Close

the

write

file

on

unit

#1.

Data

strings

are

written

to

and

read

from

the

buffers

using

a

certain

string

variable.

'14.95

CROSS

REFERENCE

prints

a

complete

variable

and

line

number

cross

reference

for

Basic

programs.

Reference

statements

such as:

GOTO,

GOSUB,

THEN,

RESTORE,

ON-GOTO,

ON -GOSUB,

FNxx

0,

are

also

cross

referenced.

Having

an

alphabetized

cross

reference

listing

with

line

numbers

is

a

great

document

ation

and

debug aid.

~14.9'

SCREEN

GENIE

gives

your

Basic

programs

the

following

impressive

capabilities:

>

It

directs

PRINT

statements

to

any

row

and

column

on

the screen.

Just

specify

ROW

#

and

COL

UMN

#.

>

Selectively

erase

any

row

or

set

of

rows. Does

not

affect

graphics,

whereas

CLEAR

does.

>

Inverted

printing

can

be

turned

on

or

off

to

highlight

text.

Prints

black

letters

on

white

background.

> Auto

indentation

to

redefined

left

margin.

>

Selectively

suppress

any

character

on

output.

Suppress

'space'

to

print

strings

and

numbers adj

acent,

etc.

>

Scroll

a windowed set

of

rows

instead

of

the

whole

screen.

Saeen

Genie

includes

a

demonstr

ation

progr

am

that

illustr

ates every

feature.

It

shows

how

to

imitate

'PRINT

USING'

for

formatted

numeric

printing.

By

adding

only

a

few

poke

statements,

these

features

are

added

to

your

existing

progr

ams.

'14.95

SORCERER'S APPRENTICE,

December

1,

1981 163

ARRINGTON SOFTWARE

SERVICE

9522

Linstock,

Boise, IDAHO 83704

GRAPHICS

PACKAGE

I is a powerful set

of

line

drawing

and

screen

motion

routines

accessed from your basic

programs

via

the

USRO

function.

The

s'r~en

is

organized

as 128

columns

by 90 rows

with

each

dot

individually

addressable.

The

demonstration

program

has

dozens

of

sup'erb figures,

bar

charts,

circles,

stars,

X-

Y

-Z

function

plots,

and

screen

motion.

This

software

really

shows

off

the

Sorcerer's graphic

capabilities.

_2~.9~

GRAPHICS

PACKAGE

II

is a set

of

machine

language

routines

that

manage

all

128 gr aphic

characters

to

give

the

programmer

ultimate

flexibility·

in

plotting

in

high

resolution

of

512

x240.

You

pass

to

the

routines

the

coordinates

of

the

lines

or

points

to

plot,

and

the

routines

do

the

rest

with

graphic

characters

until

all

128

are

used.

As

characters

are

freed

up,

they

rejoin

the

pool

of

available

characters,

all

of

which is

transparent

to

the

user.

If

an

existing

character

pattern

matches

the

one

needed,

it

is

reused

rather

than

defining

a

redundant

character

cell.

The

mileage

one

can

get

out

of

128

characters

is

amazing.

Coordinates

are

passed

in

Xl,

Y1

variables

fot

plotting

or

erasing

both

points

and

lines.

Documentation

is

thorough.

Use

the

routines

with

ROMPAC

Basic or

other

languages.

Includes

excellent

demonstration.

How

can

you

enjoy

the

Sorcerer's

powerful

graphics

without

this?

_Z5.9~

2716 EPROM BURNER uses

parallel

port

to

program

+5V 2716 EPROMS.

This

system

includes

assembled

hardware,

software

and

documentation~

It

turns

your

Sorcerer

into

a

powerful

2716

EPROM

burner.

'49.9~

DATABASE

SYSTEM

II

is a RAM-based

general

purpose

database

system for

handling

alphanumeric

data.

It

is

written

in

Z-80

machine

language

and

is

suitable

for

use

in

32K

or

48K Sorcerer microcomputers.

Files

may be

stored

on.

cassette

or

on

disk

under

the

CP/M

1.4

or

later

operating

system.

This

database

is

useable

by

both

cassette

based

systemS-

and/or

disk based systems.

Commands avail able

in

functional

groupings

are:

A:File

Definition:

B:File

Input/OUtput:

C:File

Alteration:

D:

F

i1

eLi

s t i

ng

:

E:System

Parmneters:

F:Program

Exit:

CREATE

LOAD,

MERGE,

SA

VB

AID,

DELETE,

IDIT,

satT

L I

Sf,

REPORT, 10TAL

PRINI'ER, SPACE, TABSIrr

CPM,

~I'I'C1t@C

Allowance

is

made for

up

to

750 records which may

consist

of

1-9

fields.

Each

field

is

given a

name

by

the

user

when

creating

the

database

and

this

is

used

as

an

aid

in

manipulating

the

file.

The

space avail

able

for record

storage

is

approximately

9K

less

than

the

available

RAM

in

cassette

mode

and

14K

less

than

CP/M system

size

in

disk mode.

A

field

may

contain

up

to

56

characters.

It

is

best

to

divide

the

record

into

small

fields

which

are

useful

for

sorting

and

searching.

For

ex ample, a

file

of names

and

addresses,

could

have

the

fields:

NAME,

STREET,

CITY,

and

PHONE.

The

software

is

sent

on

cassette

tape,

but

is

easily

transferred

to

your CP/M

disk.

Use

the

Monitor

>LO

command,

boot

your disk,

and

then

type

A>SAVE

27

DATABASE.COM.

_29.9~

CUBES is a

graphical

RUBIK (TM) cube

puzzle.

The

sides of

the

cube

are

unfolded

on

the

screen,

and

you have

control

to

rotate

the

faces

of

the

cube

both

clockwise

and

counter-clockwise.

The

puzzle

is

solved when

all

of

the

symbols

on

each cube face

are

the

same. You

can

begin

with

a solved cube

and

jumble

it

up

for

either

yourself

or a

friend

to

resolve,

or

you

can

select

any

of

5

pre-programmed

puzzles

whose

solutions

the

Sorcerer

will

show

upon

request.

This

is a very

challenging

mental

activity, which may be

the

reason

for

the

surge

of

popularity

for

this

cube

puzzle.

RUBIK is a

trademark

of

the

IDEAL

TOY

Corpor

ation

which is

not

associated

with

this

progr

am.

_1~.95

164 SORCERER'S APPRENTICE, December 1, 1981

ARRINGTON SOFTWARE

SERVICE

9522

Linstock,

Boise, IDAHO 83704

SUPERX

EDITOR

is

the

best

editing

tool

for

Basic

programs

for

the

price

anywhere.

It

includes

such

powerful

features

as revive a

lost

program,

block

listing,

block

deletion,

block

renumbering,

merge,

string

search,

compact

program,

pause

listing

and

resume,

and

execute

Monitor

comm

ands

from- Basic mode.

One

can

edit

any

line

shown

on

the

screen by moving

the

cursor

to

the

edit

location.

Edit

features

include

insert,

delete,

tab,

truncate,

copy

and

auto-line

number

generation.

As

a

professional

programmer,

this

program

has

saved

me

countless

hours

in

editing.

Customers

who have used

both

SYSTEM

III

and

SUPERX

say

they

prefer

the

ease-of

-use

of

SUPERX. I

do

toolll

_21.95

MACHINE

CODE

TUTORIAL

Many have

requested

additional

knowledge

about

the

Sorcerer

and

help

in

learning

to

program

in

machine

language.

This

package

will

help

you

understand

video

and

keyboard

routines,

Z80

registers,

instructions

and

flags,

Monitor

and

Basic

work

areas

and

useful

routines

in

ROM,

and

sound

generation.

I

particularly

like

the

interactive

environment

where

one

can

immediately

try

the

exercise ideas

being

presented.

The

eight

programs

that

you

load

into

the Sorcerer

lead

you

step-by-step

in

your

development.

_25.95

SORCERY BREWS is a

manual

of

programming

tricks

specific

to

the

Sorcerer.

This

ready

reference

of

valuable

ex amples

simplifies

progr

amming

efforts

and

improves

both

professional

appearance

and

performance.

The

manual

has

chapters

on

Programming

Tips,

Basic's Commands

and

Functions,

Keyboard,

Video,

Joysticks,

Sound,

the

Monitor,

Machine

Language

Interfacing

and

Routines,

I/O

Drivers,

Cassette

Tape,

a

source

listing

of

an

Editor

for

Basic, CP/M, Word

Processor,

Development

PAC,

Plotting,

tables

and

forms.

Best

of

all,

we

are

very

proud

of

the

extensive

Basic

ROMPAC

Map which

identifies

dozens

of

useful

ROMPAC

routines

and

how they

work.

Customers

have

been

hungry

to

have

this

kind

of

information

collected

together

and

concisely

presented

in

a

single

manual.

I've

gleaned

my

mind

of every clever

and

useful

piece

of

information

I

know

about

the

Sorcerer.

Everyone

is

sure

to

discover

something

they

will

treasure.

Believe me,

YOU'll

USE

THIS

MANUAL

I

It's

over 100

pages

long

and

stuffed

with

hundreds

of

'brews'.

_14.95

(+$4

overseas

postage)

C SORCERER INVADERS is a

fast

action

game

similar

to

the

popular

arcade

version.

Rows

of

marching

invaders

continue

their advance

while

you

dodge

back

and

forth

avoiding

the

falling

phasers.

The

bunkers

under

which

you

may

hide

only

provide

temporary

protection.

The

only

hope

for

you

is

skill

in

shooting

down

the

advancing

party,

each !lnd

everyone

of

them.

Then

to

your

horror

another

screen

full

of

·invaders

appear

to

continue

their

march

back

and

forth

and

downward.

The

superb graphics

and

the

fast-paced

action

make

the

excitement

very

real.

The

game

is

addictive because

it

is

so

fun.

Invaders

comes

with

both

j

oy~tick

or

keyboard

control,

and

sound.

_17.95

SORCERER

GALAXIANS

has

been

raved

about

in

the

reviews.

Don't

you

think

it's

time

you

i

oined

in

the

excitement?

Galaxian

spaceships peel

out

of

formation

at

the

top

of

the

screen,

and

fire

at

you

as they dive

and

zip

across

the

screen.

You

constantly

dodge them

and

their

fire

while

trying

to

shoot

down

the

darting

ships.

The

graphics

are superb

and

the

excitement

very addictive.

Galaxians

uses either

joystick

or

keyboard

control,

and

comes

with

spaced-out

soundl

Use our music system

interface

board

for

all

of

our

software

which

offers

sound.

_19.95

DISASSEMBLER is a

Z-80

machine

language

two-pass

disassembler

whose

output

format

is

directly

compatible

with

the

Development

Pac.

The

Z-80

assembly

language

source

(input

to

assembler)

listing

can

be

sent

to

Video,

Cassette

or

Printer.

The

cassette

file

produced

is a source

file

for

the

Editor/Assembler

and

can

be

read

directly

into

the

editor

of

the

Development

Pac.

The

disassembler

has

a

displacement

function

which

allows

any

program

residing

anywhere

in

memory

to

be

decoded, whether

it

is

at

it's

normal

address or

has

been

moved

to

be

decoded.

"17.95

SAMPLE

PRINIUJf

E993

E994

E997

E999

E99B

E99C

F5

Q)

lB

EO

FE

OA

29 14

F5

DB

FF

LE993

PUSH

CALL

<P

JR

PUSH

LE99C IN

SORCERER'S APPRENTICE, December

1,1981

AF

LEOlB

OOAH

Z,LE9AF-$

AF

A,

(OFFH)

165

ARRINGTON SOFTWARE

SERVICE

MUSIC

SYSTEM

I is valued by customers

as

being

the

most

sensational

piece of

software

available

for

the

Sorcerer.

The

price includes

the

assembled

hardware

to

interface

the

Sorcerer

to

your amplifier

and

speakeu.

FEATURES

--

Tempo

control

from slow

to

exceedingly

fast.

Set

the music's key

signature

by

pI

acing sharps or

£1

ats

on

the staves.

Select

notes

by

moving cursor up

and

down musical staves.

It's

like

copying

what

JOu

see

on

music sheets.

Graphically

s ect

note

durations

and

rests.

Full

editing

of

inserting,

deleting

or overwriting chord sets

in

the song

data

file.

Hear a

pitch

in

a chord

before

the

note

is

entered

into

the

data

file.

Play

the

last

ten

chord sets

to

verify

the

accur acy of the

data

just

entered.

Or

play

the

entire

song.

Copy

refrains

for

rapid

duplication

of

repeated measures.

Transpose

the

playing

of the

song

into

another

key. Adjust

to

suit

your

vocal

range

for

singing

along.

Automatic

loading

and

saving

of

data

files

from·

and

to

cassette.

Restoration

of

data

file

notes

to

the

screen

for

rapid

editing

and

file

verification.

Single

step

through

the

file

listening

to

each chord. Aids

in

file

editing.

User

prompts

and

error

protections.

System

includes

the necessary hardware

interface

to

your

amplifier.

Select

individual

voices

to

play

only

their

part.

Ex ample: hear

the

Bass

and

Soprano

parts

together.

EASY

TO

USE

--

Customers,

DON'T

BE

HESITANT

because you feel you know

nothing

about

music. You

don't

need

to

know

all

about

music

to

enj oy this software. You

can

experiment

with

the

editor,

dabble

in

song

writing,

and

enj oy

prewritten

music such

as

PIANO PLAYER, FANFARE, BACH,

FI

NLAND

lA,

BOOGIE WOOGIE, etc.

Creating

song

data

files

is

done

graphically.

,40.00

PIANO PLAYER is

an

option

for

the

Music System I

and

adds

delightful

graphical

animation

of

a

high

resolution

piano

player

tinkling

the

ivories.

The

man's

arms move

in

synchronization

with

the

beat

of

the

music. A

large

keyboard is

displayed

upon

which four

cursors

jump

around

on

the

keys

to

the

four

notes

being

played.

Both

Piano

Player

and

the

Music System come

with

a

sample

song

file,

and

there

are

several

prewritten

song files

to

choose

from.

Being

both

graphical

and

musical,

these

programs

are crowd

pleasers

twice

over.

Order

yours

NOWI

'1~.00

MUSIC

SYSTEM

II

is

the

same

as

Music System I

ex

cep t

tha

t

it

incl

udes

CP

/M

disk

routines

for·

the

reading

and

writing

of

song

data

files

to

and

from disk. MUSIC

SYSTEM

II

includes

the

PIANO PLAYER

feature

and

a

demostration

file

called

FANFARE.

The

program

also

has

cassette

capabilities

to

aIiowyou

to

transfer

all

of

our

music song

files

from

tape

to

your disk.

The

program

is

distributed

on

cassette

tape

and

is

easily

transferred

to

any

CP/M

disk

system.

Although

this

is CP/M

based,

it

still

requires

the

use

of

the

Basic

ROMPAC.

,'9.9'

JUKEBOX is 100% machine

language

for

those

disk

based systems who

do

not

have access

to

the

Basic

ROMPAC.

Song

files

can

be

read

from

tape

and

transferred

to

your

disk.

With

JUKEBOX you can queue

up

several song files

resident

on

disk

to

be

played

one

after

another

while

enj oying

the

delightful

animation

of

the

Piano

Player.

The

difference

between JUKEBOX

and

MUSIC SYSTEM

II

is

the

ability

to

queue

song

files

for

playing,

and

the

absence

of

any

editing

capabilities.

Although

you

will

not

be able

to

create

your

own music

with

JUKEBOX,

there

are

numerous

prewritten

song

files avail able. JUKEBOX

may

be

purchased either

with

or

without

the

hardware

since

many

of

you

already

have the

needed Music Board.

'40.00

complete;

,21.95

no

board.

SONG

FILES

are

preprogr

ammed

data

files

for

use

with

Music

System

I

and

II

and

}uk«=!,ox:

•.

Several

are

o~fe~ed

~~t

_10

~ith

~o.

files

per.

tape,

recorde~

at

both

1200

and

30.0

DaUQ.

we encourage Slng1e

l11es

to

be

paired

up so

that

two

can

be

sent

per

tape.

ThlS

keeps

our

cost

down so

that

the

cost

of

these

files

can

be

kept

low.

DOUBLE

PORT

is a

printed

circuit

board

that

splits

the

parallel

port

into

separate

input

and

output

ports.

This

allows

you

to

use our Joysticks

and

our Music Board

at

the

same

time

for

use

by games such as

Galaxians,

Invaders,

and

Circus. You may buy

the

board

only

if

you

wish,

and

solder

on

your own DB25

connectors

(two

female

connectors

and

one

male

connector

are

required).

Or,

you

may buy

the

board

assembled

at

the

higher

price

which

pays

for

those 3 expensive

little

DB25

connectors.

'24.95

complete;

'7.95

board

only.

SORCERER'S APPRENTICE,

December

1, 1981

..

"

L

ARRJINGTON SOFTWARE

SERVICE

9522

Linstock,

Boise, IDAHO 83704

JAIlL.

BRIEAKOUT

is

a

reflex

game where a

ball

knocks

out

bricks

from

a

wall

at

the

top

of

the

screen.

You

use

the

left

and

right

cursor

keys

to

move

the

game

paddle

back

and

forth

to

keep

the

ball

in

play.

This

game

is

similar

to

the

TV

arcade

game,

and

includes

sound.

~1I.0000

QUBlfC is

our

best

artificial

intelligence

program.

The

Sorcerer

is

practically

unbeatable

as

you

compete

to

place

four

in

a row

on

a

three

dimensional

grid

of

4

16-cell

planes.

This

tic-tac-toe

is

challenging

as

four

in

a row may be

vertically

in

corner

cells.

i'$lO.OO

ARTlfJI.LERY

is

a

graphical

game

that

utilizes

the

routines

from

Graphics

Package

I.

Across a

randomly

generated

windy

hill,

two

players

fire

cannon

balls

at

each

other's

castle

by

selecting

the

cannon's

angle

and

powder

load.

With

the

128x90

resolution

the

cannon

ball

arches

smoothly

across

the

sky.

You need

to

own Graphics

Package

I.

~lOoOO

CONCENTRATION

is a

mental

game where

you

match

squares.

The

game

has

excellent

graphicsl

Up

to

four

may

play,

two of which

may

be

the

computer

players

named

Merlin

and

Merle.

In

fact,

it

is

fun

to

watch

Medin

and

Merle

play

against

each

other.

Each

player

selects

two

squares

to

turn

over

to

match

the

graphic

pictures

on

the

reverse

side.

If

they

match,

you

score

points

and

your

turn

continues.

~1I.0000

OTHElLJI.O is

written

in

machine

language

for

fast

execution.

turn

on

a checker

board

such

that

each

tile

placed

captures

one

tiles.

Othello

is

a

str

ategk

game whose

skill

level

lies

between

yet

provides

hours

of

enj

oyment.

~lO

..

OO

Each

player

places

tiles

in

or

more

lines

of

opponent

that

of

checkers

and

chess,

HORSERACE

gambling

is

always

fun,

especially

when

you

don't

have

to

cover

your

losses

with

real

money.

The

excitement

of

the

big

race

is

brought

into

your

home

with

high

resolution

graphics

and

the

melodies

of

the

'LONE

RANGER'

and

'IF

I

WERE

A

RICH

MANt.

~UOoOO

BRUCE

CHESS

15

an

excellent

chess

opponent.

The

chess

board

is

displayed

in

high

resolution

graphics.

The

playing

level

is

selectable.

You

may

castle,

and

capture

En

Passant..

Bruce does

not

allow

you

to

preset

the

board

position

for

situation

playing.

Customers

report

that

Bruce

may

have a chess

rating

of

1150,

which

is

very

good

for

an

artificial

intelligence

program.

Bruce

will

provide

a

challenging

game

and

hours

of

entertainment.

~17.95

SPACE

TREK

is

an

excellent

version

of

the

ever

popular

game

where

you

venture

through

the

galaxy's

64

quadrants

in

search

of

enemy

Klingons.

You

are

the

captain

of a

starship

with

a

mission

of

rid

the

galaxy

of

the

enemy

in

a specified

number

of

stardates.

There

will

be

starbases

for

resupply

and

repair

of

your

star

ship.

Game

includes

sound

and

makes

good

use

of

the

video

display

for

conttol

and

status

reports.

~1409j

CHOMP is

an

absolute

must

for

every

game

enthusiast.

It

is

just

like

the

arcade

game

where

you

are

being

chased

through

a

maze

of

alleys

by

four

CHOMPS who

will

eat

you

if

they

can

catch

you.

As

you

maneuver

around

to

keep

out

of

the

way

of

the

CHOMPS,

you

score

points

by

eating

small

dots

found

in

the

alleys.

1£

you

eat

one

of

the

large

dots,

you

become

mightier

than

the

CHOMPS

in

that

you

can

now

chase,

catch

and

eat

them.

You

score

big

for

each chomp

you

catch,

but

be

careful

as

they

soon

return

to

their

normal

rolls

as

the

aggressors.

The

game

is

a superb

display

of

high

resolution

gr aphics.

The

program

is

100%

machine

language

for

speed

and

ease

of

use

by

all

of

our

customers,

disk

based

systems

included.

This

program

is

fantastic.

WE

LOVE

IT!

I Move over

Galaxians

- -

you

have

to

share

some

of

the

spot

light

for

the

elite

with

this

new game

entry.

Order

your

copy

today

and

enjoy

it

over

the

holiday

seasonl

$19.95

SORCERER'S APPRENTICE,

December

1,

19tH 167

ARRINGTON SOFTWARE SERVICE

9522

Linstock,

Boise, IDAHO 83704

MISSILE DEFENSE is

challenging

and

exciting

as you

try

to

shoot

down

warheads

before

they

reach

your

cities

and

destroy

them.

High

resolution

gr aphics

mark

the

paths

of the

falling

warheads

and

add

realism

to

the

explosions

and

ruin

of

your

cities.

The

game

Can

be

controlled

from

either

the

keyboard

or by

joystick.

Sixteen

enemy missiles

enter

randomly

through

two

areas

at

the

top

of

the

screen.

They

descend

to

a

random

release

point

where

three

warheads are

ej

ected

to

descend

towards

your

cities

and

missile

sites.

When

they

detonate

they

destroy

everything

within

a 5x5

surrounding

area.

Your

cities

and

missile

sites

are

reduced

to

rubble

after

the

brilliant

explosion.

Victory

is

yours

when

all

16

enemy missiles have been

launched

and

you

still

have

sites

with

missiles

and

parts

of

your

cities

remaining.

You

must

be swift

and

skillful

in

choosing

which

warhead

to

destroy.

If

you

don't

make

the

correct

decisions,

you

will

f

ail

in

your

Missile Defense.

,17.95

MIUTARY ENCOUNTER is

the

popular

board

game

of

Sttatego.

The

excellent

graphics

for

the

bombs,

spy,

colonel,

sergeants,

etc.

will

create

envy

in

your Apple

friends.

You

and

the

Sorcerer

advance

your

men

until

an

encounter

occurs, wherein

the

higher

ranked

man

removes

the

other.

You

must

capture

the

Sorcerer's

£lag

to

win.

Strategy

and

bluff

are

required

as

the

strength

of

his

pieces

is

not

known

until

the

encounter.

,15.95

JOYSTICKS

is a

pair

of

ATARI

joysticks

modified

to

connect

to

the

Sorcerer's

parallel

port.

They

are

for

use

with

all

of

our

software

which

includes

joystick

control.

We

include

demonstr

ation

software

of

a few g ames

and

a

general

purpose

joystick

routine

in

machine

language.

It

is

easy

to

add

joystick

control

to

your

existing

programs

as our

standard

is

well

documented.

Each

joystick

unit

gives

you

eight

directions

of

movement

and

a

h:e

button.

,39.95

(+~5

overseas

postage)

nYBUG

TOOL

is

as necessary

to

a

machine

language

progr

ammer

as

a hammer is

to

a

carpenter.

With

this

tool

you

can

set

breakpoints

in

your

code,

single

step

through

the

execution

of

your

program,

ex amine

and

alter

the

Z80

registers.

Single

step

includes

the

option

to

execute

entire

subroutines

as a

single

step.

You

can

ex amine,

alter

and/or

move

blocks

of

memory. Being

able

to

enter

ASCII

text

directly

into

memory is

another

very

useful

feature.

DYBUG

can

relocate

itself

to

any

desired address so

it

will

never

conflict

with

your

code.

'14.95

CHARACTER

GENERATOR

is a

useful

Basic

program

that

makes

designing

characters

and

shapes a

snap.

You

work

with

enlarged

dots

on

a figure 5

cells

wide

by

3

cells

high.

Features

include

turning

on

or

off

a

dot,

inverting

the

cell

right

to

left

or

upside

down,

and

reverse video.

The

contents

of

a

cell

can

be

stored

for

any

of the 128

definable

characters.

Graphic

cell

data

can

be

stored

on

cassette

tape,

or

decoded

for

inclusion

as

DATA

statements

in

your

Basic

programs.

The

program

is easy

to

use

and

very

flexible.

'10.00

SCREEN SYSTEM

is

a

menu

driven

network

of

machine

language

routines

that

facilitate

working

with

gr aphics.

Animation

is

achieved by

storing

up

to

50

files

in

memory

and

recalling

them

in

a

programmed

sequence.

Files

may

be saved

on

tape

either

individually

for

future

use,

or as a

whole

for

future

playback

like

a

short

film. You

can

dr

aw

on

the

screen,

store,

recall

and

edit

these

screen

files

which

are

stored

in

a

compacted

format.

The

character

generator

is

the

most

powerful

one

on

the

market

as

features

allow

cells

and

blocks

of

cells

to

be

defined,

duplicated,

rotated,

and

inverted.

In

the

program

mode a

sequence

of

up

to

50

steps

can

be

entered

to

perform

recall

and

refile

functions

automatically.

The

timer

function

controls

the

duration

a

file

remains

displayed

on

the

screen.

Loops

can

also

be

progr

ammed so

that

display

sequences

can

be

repeated.

This

system

of

functions

is

extensive,

and

thus

is

a

little

difficult

to

comprehend

at

first

sitting.

But everything is easy

to

use as

one

follows

step

by

step

the

descriptive

documentation.

We

anticipate

that

files

may be

offered

in

the

future

for

the

Screen

System

that

have

cartoon

animation.

If

you

put

together

such a

cartoon,

we

are

interested

in

marketing

it.

Screen

System

comes

with

a

demonstration

file.

'25.95

AUTHORS

We

seek

excellent

programs

to

market

worldwide. Our

royalties

are

generous,

and

our

interest

in

having

satisfied

customers

is

keen.

We

invite

you

to

join

with

us

and

our

distributors

to

bring

your

product

into

the

marketplace.

Submit

progr

ams

for

evaluation

at

300

baud

along

with

documentation

(word

processor

files

preferred).

168 SORCERER'S APPRENTICE, December " 1981

..

u

o

PASCAL PORT

by

Daniel

Conde

Those

of

you

who

read

my

article,

in

issue

3.5,

on

sparse

matrices

and

allo-

cating

space,

might

say

that

the

me-

thod

used

is

not

really

efficient.

We

reserve

space

(1000

aItay

cells

in

that

case),

not

knowing

if

we

are

going

to

use

all of

them.

That

is

true,

since

we

often

have

a

list

of

items,

which

may

be

"records"

in

Pascal

that

change

in

number

and

we

cannot

know

in

advance

how

many

are

needed.

Thus

we

will

start

a discussion

on

pointeu

and

lists,

which

are

useful

in

keeping

matrices

of

undetermined

size,

and also

very

useful

in

m any

other

applic

ations.

To

begin

with,

Pascal's

method

of

memory

allocation

is

more

dgi;d

than

BASIC'S. We

cannot

start

usmg

an

undeclared

variable,

as BASIC would

allow us

to.

However,

it

does

have

provisions

for

requesting

an

almost

arbitrary

number

of

items,

which

are

usually

"records"

from

the

system,

for

our

use.

These

items

must

be

treated

very

differently

from

normal

declared

v

adables,

but

as

we

shall

see,

they

off

er

features

unique

to

them.

To

understand

them fully

we

need

to

know

what

records,

pointers

and

the

"new"

function

are.

Records,

as

you

may

know,

ate

a

collection

of

different

variables

acces-

sed

under

the

same

main

name,

with

different

sub-names

to

distinguish

between

the

sub-items.

Examples

are:

address.name,

address.street,

address.-

city,

etc.

Pointers

are

variables

that

allow you

to

actually

point

at

a

vari-

able.

Assembly

language

programmers

will

immediately

think

of

addresses

of

memory

10cations1• and

that

is

what

pointers

are

USUally

made

of.

There-

fore,

having

records

and

pointers,

it

is

possible

to

have

a

"record"

that

has

a

"pointer"

as

one

of

its

fields.

That

pointer

within

that

record

may

point

to

another

record,

making a

chain

of

re-

cords,

linked

like

railroad

cars

as

illustrated

in

the

following

diagram:

IIIIP----IIIIP----IIIIP

(each

of

these

"cars"

represents

a

record;

with

4

items

of

the

record

represented

by

an

'I'

and a

pointer

represented

by

a

'P'.

The

series

of

dashes

are

used

to

show

the

links).

It

is

not

hard

to

think

of

a

chain

of

records

set

up

as

shown above

in

an

array.

If

we

have

10

records

linked

in

that

manner,

it

is

possible

to

walk

down

the

train

t.o

reach

whatever

cell

we

would

like.

Going

down

each

link

in

the

train

might

seem

like

quite

a

complicated

task

for

accessing

elements

in

an

BrIBY,

but

we

must

remember

that

new

cars

may

be

linked

together,

which

effectively

allows

us

to

re-

dimension

our

array

while

we

run

the

program

(and

not

get

a ?DD

re-dimen-

sioned

array

error

messagell).

To

acquir e

new

elem

ents,

we

need

to

use

the

"new"

function

mentioned

eadier.

Using

some

tricks,

it

is

possble

to

"unlink"

our

array

right

in

the

middle,

couple

with

another

arr ay, and r elink

with

the

rest

making a

new

array.

Our

new

arrays

may

now

be

of

almost

arbitrary

length

and only as long as

we

need

them.

we

will discuss

the

exact

Pascal

statements

required

to

create

these

items.

Meanwhile

think

about

what

could

be

possible,

if

each

of

these

records

with

pointers

contain

m

ore

than

one

link.O

DUsrINGS

FROM THE L1IBRARY

by

Robert

Hageman,

Librarian

and Sysop

In

this

issue,

I will

present

a

brief

introduction

to

the

Editor

found

in

MiniCBBS and

cover

several

of

the

CP/M

modem

programs

available.

First,

a

short

introduction

to

MiniCBBS'

edit

features.

The

number

of

incorrect

(sometimes

garbled)

messages

left

on

our,

or any

other,

CBBS

is

lruly

am

azing.

These

systems

all

have have

editing

capabilities

included

in

the

message

entry

portion.

These

editors,

while

not

Spellbinder or

Wordstar,

are

relatively

easy

to

use.

We

begin

by

running

the

CBBS

enter-message

function.

The

prompt

given

by

CBBS and

oUt

answers; .

FUNCTION: B,C,D,E,G,K,L,N'p,Q,R,S,W,X

(or?

if

not

known)

?E;lO/16/81;ALL;USING

MCBBS

LINE-EDlTOR;N<CR>

(note

use

of

';'

to

give

multiple

answers

•••

more

on

this

later).

CBBS

responds with;

MSG

assigned

number:

123

ENTER THE LINES. 60

Chars/line

max.

(Bell

dngs

at

55).

----->

When

done,

enter

a

blank

line

(C/R

alone)

----->

To

abort,

enter:

ABORT

01

?[----

message

may

be

entered

at

60

characters

per

line

----]

i·6

..

?[---------

message

may

contain

a

total

of. ·16

lines

---------]

When

we

have

entered

oUt

sixteenth

line,

or

when

we

enter

a

blank

line,

the

program responds

with:

ENTER A LETTER:

A=Abort, C=Cont.

input,

E=Edit,

L=List,

R=R

etype

line,

S=Save

<---

(DO

THIS

WHEN YOU HAVE FINISHED)

A,C,E,L,R,S:?

This

is

where

you

may

begin

editing

your

message.

The

functions

behave

in

the

following ways;

A=Abort -

throw

the

message

way,

do

not

add

to

the

files

C=Cont.

input

-

continue

entering

on

the

line

E=Edit

-

run

the

search

and

replace

message

altering

routine

L=List

-display

the

message

beginning

with

some

line

number

R=R

etype

line

-bring

line

to

entry

buffer

and display,

line

may

be

retyped

but

need

not

be

S=Save -

write

message

to

disk

I usually find

myself

beginning

with

the

'L'

command

and I always

use

'L;I'

to

have

the

message

listed

from

line

1.

After-

finding

the

eItors

or

rough

spots

I

wish

to

correct

or

alter,

the

'E'

or

'R'

commands

are

useful.

If

the

problem is

in

a

very

short

line,

'R'

is

quite

handy

for

Ietyping

the

whole

line.

However,

if

the

line

is

more

than

a

few

words

long,

'E'

is

better

suited

with

it's

seard

and

replace

function.

Both

commands

will display

the

line

as

it

is

presently

formatted

and

give

you

the

choice

of

changing

it

or

keeping

it

as

is.

With th'!

'R'

command

the

only

choice

is

either

retype

the

entire

line

or

leave

it

alone.

'The

'E'

comm and allows you

to

specify. a

string

to

be

searched

for and a

strin~

to

replace

the

search

string,e.g.

/sorcerr/Sorcerer/<CR>

will

replace

'sorcerr

with

'Sorcerer'

and

then

display

the

corrected

line.

You

may

continue

the

search

and

substitute

procedure

until

the

line

is

correct

at

which

time

you

enter

a

lone

carriage

return

to

return

to

the

menu.

When you

have

entered

the

message

you

want,

then

use

the'S'

command

to

save

it

to

the

disk

file.

There

is

really

no

reason

for

sloppy or

difficult

to

read

messages,

when

the

tools

are

there

to

edit

out

the

rough

spots.

As

I've

said

before,

the

best

way

to

become

familiar

with

these

commands

is

to

call-

the

system

and

u.se

the

program.

My

secomi

topic

for

this

issue,

concerns

the

CPIM

communication

programs:

MBOOT3, MODEM, PLINK, SETMODEM, SETTAPE, and DIAL.

MBOOT3

is

a

special

,receive

only

version

of

MODEM.

It

is

meant

to

be

picked

up

by

something

like

Q.S.

Smart

Terminal

for

transfer

into

the

CP/M

environment.

MODEM

is

the

CP

1M

smart

terminal

program.

It

allows

the

user

to

both

upload

to

and

download

from

RCPM

systems.

It

is

compatible

with

XMODEM

(the

remote

modem

program

on RCPMs).

PLINK is

the

ASCII

capture

and

transmit

program.

It

is

'capturing'

a TYPEd

file

and

writing

the

file

to

disk.

It

is

llick-up

a copy

of

the

remote

system's

directory

and

is

capable

preformatted

message

to

MINICBBS. -

capable

of

also able

to

of sending a

SETMODEM and SETTAPE

are

the

UART

control

programs

for

setting

the

serial

port

status

to

either

RS232 or

tape

output.

With

these programs,

there

is

no

need

to

ENter

the

Monitor

to

set

this

port

prior

to

booting

CP/M.

They

set

the

UART

directly

from

CPIM's

command

level

without

(continued

on

page

170)

SORCERER'S APPRENTICE, December 1, 1981 169

(continued

itom

page

169)

having

to

exit

CP/M.

They

are

meant

to

be

used

with

MODEM

and PLINK

as

assembled

for

a

serial

port

modem.

DIAL

is

for

S-100

modem ,boards

capable

of dialing

the

phone

under

software

control.

-

MODEMxJ:ll:.ASM

is

the

file

name

which you will find on

RCPMs

when you

are

ready

to

get

serious

about

CP/M

communications.

(xxx is a number

indicating

some

revision

of

the

original

program

which

may

be a version

number

or

part

of

the

date

of

that

revision.)

Smce

MODEM.ASM

18

between

36K

and

~8K

in

size!

not

many

people

will

be

able

to

receive

that

file

with

their

smart

terminal

program.

which

is

why MBOOT3.ASM

was

written.

MBOOT3

is about 10K

in

size

and

most

new CP/M

users

have

sufficient

memory

to

use

a

smart

terminal

program

to

capture

a TYPEd MBOOT3.ASM

from

a

RCPM.

When

you

have

a good copy of MBOOT3. you need

to

edit

the

assembly

equates

which

are

hardware

dependent.

These

equates

allow assembly

for

a

number

of

modem

devices.

S-100

boards

or

serial

modems.

If

you

are

planning

on

wing

a SBRIAL

modem.

PLEASE NOTE:

you

need

either

MONITOR 1.1

PROMS. a HARDWIRED RS232

PORT.

or a KEYBOARD

DRIVER

IN

YOUR

BIOS. Exidy',s Monitor 1.0

keyboard

driver

will

reset

your

computer's

UART and

blow you

off

line

(end

communic

ation).

'Wh~

you

have

either

fixed

the

serial

port

or

are

operating

an

S-100

modem

board.

you

begin

by finding

the

following

lines

from

Mboot

ASM

file or

the

equivalent

in

Modem or Plink

ASM

files.

(That's

right.

they

also

have

to

be

edited

aftet

you've

picked

them

up).

;

STDCPM BQU

TRUE

;TRUE.

IS

SfANDARD

CP/M

<---for

Sorcerer.

this

is

TRUB

ALTCPM EQU FALSE

;TRUE.

IS

ALTERNATE CP/M FOR H8 OR TRS80

;

FASI'CLK EQU FALSE ;TRUE FOR 4 MHZ CLOCK

<---FALSE

for

Sorcerer.

we

have

2

MHz

;

PMMI

EQU FALSE

;TRUE.

IS

PMMI

MODEM

<---If

this

is

true

you're

very

lucky

DCH

EQU FALSE

;TRUE.

IS

D.C. HAYES

MODEM

<---Likewise

if

this

is

true

If

both

the

above

are

FALSE for

your

system.

don't

WOrIY.

you

are

in

good

company.

That

will

be

the

case

for

ALL

serial

modem

users.

;

;IF

YOU

ARE USING

AN

EXTERNAL

MODEM

(NOT S-100

PLUG-IN)

;CHANGE THESE EQUATES

FOR

YOUR

MODEM

PORT

REQUIREMENTS

;

INITREQ

BQU FALSE

;TRUE.

IF

MODEM

PORT

INIT.

REQ'D

<--I

believe

this

is

the

case

for

serial

modems.

Ple,ase

write

to

us

if

you

know

otherwise.

INITC1

EC,p

OAAH

;lSf

INIT

CHAR

10

CfL

PCRT

FOR

USART

INITC2

BC,p

~OH

;2N:>

"

INITC3

EC,p

4BH ,3RD "

INITC4

EC,p

37H

;4'Di

"

;

IF,

Nor

PMMI

AN:>

Nor

DCH:

MDcrLP

EQJ

OFDH

;pur

YOUR

MCDIM

CDNTRCL

PCRT

HERB

<---POIt

ID

for

Sorcerer

M<DSN>B

EQJ

01H

MCD;lIDR

B~

01H

MCDRCVB

EC,p

02H

MCDRCVR

EQ.1

02H

;YaJR

BIT

10

TEST

FOR

SEND

<---Bit

0

;YaJR

VALUE

WiEN

READY

;YOUR

BIT

10

TEST

FOR

RECEIVE

<---Bit

1

;YClJR

VALUE

WiEN

READY

MJDATP

EQJ

OFOi ;YaJR

MCDIM

DATA

PCRT

<---PoIt

FC

for

Sorcerer

BN:>I

F ;

EN)

'*'

EXTERNAL

MCDIM

EC,pATES

Once

you

have

Mboot

assembled

you

USe

it

oncel Mboot

is

only

used

to

receive

the

Modem assembly

file

(Mboot

operates

as

receive

only while Modem is

both

send and

receive).

Using Mboot

is

very

easy, simply follow

the

directions

in

the

ASM

file.

REMEMBER,

until

you

have

the

-SET

programs,

you

have

to

let

up

the

serial

port

from

the

Monitor

befm:e

entering

CP/M.

,

(The

following

is

excerpted

itom

MBOOT3.ASM and shows

the

commands

you

use

to

activate

Mboot

to

receive

a

file.

What

it

does

not

show is

that

you

must

tell

the

RCPM

to:

XMODEM

S FILENAME.FILETYPE. and

wait

for

that

program

to

tell

you

the

file

has

been

opened

before

you

give

Mboot

the

ctrl-[.)

A

simple

terminal

routine,

at

the

start

of

the

I?rogram, allows

the

user

to

communicate

with

a

remote

system

pdor

to

receiving

a

file.

This

makes

it

pouible

to

down-load

a

file

without

intervention

on

the

part

of

the

host

system's

operator.

cn.MAN>S:

MBOOI'

FILENAME.FILETYPE

or

MBCXJI'

A:

FILENAME

.FILETYPE

or

MBOOf

B:FILENAME.FILETYPE

The

program

will

operate

as

a dumb

terminal

until

an 'ESC'

key

is

typed

(ctrl-[).

It

then

branches

to

the

receive

routine.

The

user

may

also

exit

to

CP/M

without

opening

the

receive

file

by typing

ctd-E

from

the

terminal.

The

values

for

the

escape

and

exit

keys

may

be

changed

in

accordance

with

the

need;

iii

the

user

-

some

keyboards

do

not

have

the

'·ESC'

key

and/or

provision

for

control

characters.

We

will

cover

this

topic

furthet

in

the

••

170 SORCERER'S APPRENTICE, December 1, 1981

THE

WOIID

PROCESSING CORNER

#17 -

by

Steven

Gutalnick

When

you

install

a word processor

such as SPELLBINDER,

one

of the

problems you can

run

into,

as

we

have, is keeping

track

of

all

the

files

created with

that

program.

We

presently

have a

little

over 1000 files

spread

out

over

about

100 disks.

The

trick

is

to

find

the

one

you

want

when you

want

it.

To

make

that

possible.

we

are

using

a program

called

CATALOG.

I

recommend

it

highly.

The

program

will

keep

track

of

all

files and

the

disk(s)

on which each

file

is

located.

In

addition,

on

command.

the

program

will

tell

you

how much space

is

occupied by each

file

and

by each disk.

The

command

"DIS

KS".

will

list

all

disk

I.D.

numbers

in

use,

tell

you

when

the

disk was

last

updated,

and

how much

space

is

in

use

on

each disk.

It

is

possible

to

search

for

a

filename

by

use of

the

usual

CP/M

conventions

and

wildcards,

such as

•

.ASM

or FILENAME.· or

???E-

NAME

••

, or whatever.

In

addition,

there

is

a

"FIND"

command which

allows

you

to

search

for

a

string

and

if

that

string

is

anywhere

in

a

filname

(not

an

extender).

it

will

find

it.

For

example.

a

file

called

DOEWILL.WPF

can

be

located

by the

command

"FIND

DOE"

or

"FIND

WILL" ot even

"FIND

D".

Thus.

it

is

not

necessary

to

know

the

I?recise

way the

filename

was

originally

written,

just

as

long

,as

you

know

a

few

sequential

characters

of the name.

Outputs

are

a

pleasure.

You

can

get

a

hst

of

what

is

on

each disk or

a

list

of

filenames.

Output

is

to

the

screen or

to

your

list

device.

at

your

option.

The

really

unique

thing

about

this

program

is

that

you

can

annotate

any

given

file

with

an

alpha

description

of

the

file,

up

to

63

characters

in

length.

It

makes

it

easy

to

figure

out

what

a given

file

is

all

about.

The

annotation

shows

up

on

screen

print

or

hardcopy.

Ed Mentzer

is

selling

the

program

in

a

variety

of

configur

ations,

including

eight

inch,

with

manual,

for

~75.

To

save space

in

the

Newsletter.

I

am

not

including

any

ex

amples.

1£

you

will

send me a

self-addtessed.

stamped envelope

(#10

size),

I

will

be

happy

to

send

along

copies

••

Steve Gut

alnick,

375 Mayfair Ave.,

Daly

City,

CA

94015

<<<

ClASSIFIED

ADS

»>

~

l/line

~

1/line

=============================

FOR

SALE -

BBST

OFFER

1 56K Exidy Sorcerer

II.

2 years

old

1

S-100

Box w/16K &

4K

boards

2

Shugart

5

1/4"

Drives

w/controller

card.

lots

of disks &

software

1

Sanyo

Monitor

1 Anadex

DP-800

Printer

1

Novation

Cat

modem

Call

Henu-

Deutsch

at:

(5l3)

541-

7770

coUecr

-during

the

week;

(513)

489-0053

after

6 :00

pm

during the

week

and

weekends

o

-----~--~

o

ADDING

INVERSE

FONT

by Burke

Wilson

By

adding

the

following

subroutine

to

your

programs,

you

can

print

using

the

inverse

font

anytime

you

want.

The

only

requirements

are

to

set

"TB=TAB"

and

"I~="

to

the

text

you

want

printed

in

inverse

font

before

branching

to

the

"PRINT

INVERSE

FONT

SUB".

Note

that

a

short

assembly

program

must

also

be added

to

your

program.

Its

purpose

is

to

build

the

inverse

characters

and

to

restore

them

if

they

are

reset

by a CLEAR SCREEN

command.

10000

REM

*****

INVERSE

FONT

DEMO

*****

10010

REM

10020

CLEAR

250:PRINT

CHR~(12):PRINT

CHR~(l);

10030

REM

10040

REM

*****

POKE

FONT

OONV

OODE

*****

10050

RPM

10060

FOR

1=0

~

20:READ X:PCKE

I,X:NEXT

I

10070

DATA

1,0,4,17,0,252,33,0,248,62,255,150

1008u

DATA

18,19,35,11,120,177,32,245,201

10090

POKE

260,0:POKE

261,0

10100

RPM

10110

REM

*****

ENTER

TEXT

*****

10120

RPM

10130

TB=19:

I~="==

INVERSE FCNf

DEMO

==" :GCSUB10220

:PRINT:PRINT

10140

FOR

1=1

~

10:PRINT

CHR~(19);:NEXT

I:PRINT

TAB(54):PRINT

10150

PRINT

CHR~(23);:INPur

"TAB,

TEXT";T~,I~:TB=VAL(T~)

10160

PRINT:PRINT

TAB(64);:PRINT:PRINT

TAB(64);:PRINT

1017u

PRINT

CHR~(23);CHR$(23);CHR$(1);:GCSUB

10220

10180

PRINT

CHR~(17):FOR

1=1

~

4:PRINT:NEXT

I:GQmD

10140

1019

u

RPM

10200

REM

*****

PRINT INVERSE

FONT

SUB

*****

10210

RPM

10220

IF

PEEK(-1024)=0

THEN

10240

1U230 A=USR(O):FOR

1=-1024

TO 1+6:PCKE

I,O:NEXT

I

10240

T~=""

:B~=""

:

FOR

1=1

TO

LENn~)

:T~=T$+CHR~

(128)

10250

B$=B$+CHR$(ASC(MID~(I~,1,1»+128):NEXT

I

10260

PRINT TAB(TB)

;T~:PRINT

TAB(TB)

;B$:REWRN

10270

RPM

1028u

REM

*****

END

*****

Burke

L.

Wilson,

320

N.

Anton

Dr.,

Montgomery,

AL

36105

HINTS

AND KINKS

by

Don

Myklebust

Recovering

your

Word Processor

file

from

a

reset

(just

happened

to

me when

the

printer

got

a

headache

and

had

to

be

turned

on

and

off).

The

uncorrupted

file

begins

at

080EH

with

a

02H

and

ends

wherever

with

a 03H.

Reset

inserts

a 03H

at

080FH,

and

a

stack

(garbage

to

you)

from 0820H

to

08CEH.

Because

of

the

stack,

you

can't

save

it

all,

but

you'll

get

most

of

it

back.

1.

Type

'x'

to

go

to

the

Monitor.

2.

Run

the

cursor

to

about

6

lines

from

the

top

with

the

keypad

arrows.

3.

Use

the

MO

command

to

display

256

byte

pages

on

the

screen.

For

example,

this

point

is

line

44

and

I

would

estimate

its

address

to

be

somewhere

around

OFOOH

to

1000H

page.

So,

type

MO

OFOO

OFFF

F080.

If

it's

not

there,

try

the

and

so

on.

When

you

find

the

last

thing

you

typed,

you'll

see

what

looks

like

a

backward

L.

That's

the

03H.

4.

>MO

08CF OF08 080F

5.

'pp'

gets

you

back

to

the

WP

Pac

and

maybe

you

start

yanking

on

the

PG&E pipe,

you'll

save

your

file

first!

Donald

Myklebust,

19710

Guthrie,

Strathmore,

CA

93267

SORCERER'S APPRENTICE, December 1, 1981 171

SAVING MACHINB

LANGUAGB

PROGRAMS

ON

MICROPOLIS

DISK

by

Bryan

Lewis

A way

to

save BASIC

programs

onto

Micropolis Disk

was

described

in

the

Sorcerer

User'.

Newsletter

of

I

anuary

1980. Here is a method of saving machine

language

programs

(such

ali

Fastgammon or Adventures). Saving

ML

programs

is

a

little

more

complicated since the

starting

address and the execution address are

not

always

the

same.

The

following

method

moves

the

program up

in

memory

to

keep

it

from being

overwdtten

by

the

disk

operating system,

then

saves the

relocated

block

of

memory

on

disk.

A

short

move

routine

is

attached

at

the

head of

the

program, so

that

when

~t.

is

recalled

from disk, the program will

relocate

itself

to

the

proper

execution

addre...

Here

are

the

steps

to

follow:

>GO

lIlIOO

Boot

the

disk.

>~

"SAVBML"

Retrieve

the

relocating

progrmn

(given

below).

>BXBC

B003

Return

to

the

Moni

tor.

>1.0

Load

progrmn

hun

cassette.

Take

note

of

the

BLCK,

ADDR,

and

~RS.

Calculate

END

=

ADDR

+

BLCK.

>I!N

7805

7B05:

BLCa.L.

BLCIIfl/

>I!N

78Z1

7B21:

AIDRLL

AIDlHi/

>I!N

7834

"EN:>LL"

means

the

low

byte

of

END,

"ENDHi"

the

high

byte,

and

so

forth.

7B34:

GCWDRLL

GCWDIHI/

>I!N

780Z

Modify

the

relocation

program

7B02':

IH>LL

1MlHI/

with

proper

addresses.

>GO

1801

This

moves

it

up.

>GO

x:OO

Boot

the

disk

again.

~TIH

7800

BLCK

Use

Micropolis'

hex

math

xxxx

START

xxxx xxxx

xxxx

command

to

calculate

start

of

the

moved

image

--

the

second

answer

equals

START.

>SAW

EINMIB" Sl"ART

7840

18

7B16

Once you've

done

that,

you

only

have

to

type

in

the

NAMB

to

reload,

relocate,

and

run

the

progr

am

in

one easy step

••.

SAY,BIIL

by

Bryan

Lewis (disassembly by

Bob·Hageman)

Enter

and

save hex code

under

MOOS,

xx

should

be replaced

with

00.

This

is

for

a 32K systeml for other sizes, change

all

7B's

to

3B's or' BB's.

7BOO

00

NOP

7B01 11 xx xx

10

DE,END

lEND

=

ADDR

+

BLCK

7B04 01

xx xx

10

BC,BLCK

7B07

ED

4.3

3B

7B

ID

(7B3B) ,BC

ISave

BLCK

for

move

back

7BOB

03

INC

BC

7BOC'

EB

EX

DE,HL

7BOD

11 00

7B

10

DE,7BOO

7B10

ED

B8

UDR

IMove

progrmn

to

below

SAVEML

7B12

C9

RET

IGo

back

to

Monitor

7B13 00

NOP

7B14 00

NOP

ISave

theprogrmn

with

move

7B15 00

NOP

I

rout.ine

7B16 21 00

7B

10

HL,7BOO

7B19

ED

4B

3B

7B

ID

BC, (7B3B)

IGet

BLCK

for

move

back

7BID AF

xm

A

ICalculate

low

address

of

saved

7B1E

ED

42

SBC

HL,BC

lpr'ogr

mn

7B20

11

xx

10

DE,AIDR

7B23

8)

BO

IDIR

;Move

prgm

baCk

to

proper

loc'

n

'.

7B25

PO

2A 00

FO

ID

IY,

(FOOO)

IDo

short

version

of

GETIY

7B29 01

92

FF

ID

BC,FF92

7B2C

PO

09

AID

IY,BC

7B2E

PO'F9

ID

SP,IY

,Save

in

stack~ointer

7B30

CD

B1 E9

CALL

E9B1

,Have

Monitor

lnit.

video

board

7B33

21

xx

10

HL,~R

,Set

Go

Address

7B36

E9

IP

(HL) ;Go

do

itl

HARDWARB

NOTBS

by Russell Ftew,

Hardware

Editor

In

my

lut

column,

I discussed

the

makeup

al;1d

use

of

video

RAM.

We

looked

at

how the ASCII code

points

to

PROM

locations

and

how the 8 bytes needed

for

each

chatacterare

shifted

out

of

the

character

generator

to

the

screen. Before

any

character

can

be

written

on

the screen, however,

it.

must

go

through

one'

more

transformation.

Our

digital

signal

of

l's

and

O's

must

be

changed

into

an

analog

signal

that

the

monitor

can

use

with

its

electron

gun.

172 SORCERER'S APPRENTICE, December 1, 1981

As

our

data

arrives

at

the

output

shift

register

(74166),

it

is

prepared

to

be clocked

out

of

the

computer

along

with other video

information

that

is invisible

to

the

user

but

required by

the

monitor.

BeCause

the

picture

you see

on

your screen

is

dynamic,

it

is

constantly

being

redt awn by the

monitor's

electron

gun.

At

a

rate

of 60 frames per

second, you get flicker free

displays.

Each of these frames

is

made

up

of

two

scans.

The

first

scan does

pixel

line

1,3,5

••

525.

The

second

raster

scan does 0,2,4,

•••

524. Because

this

happens so

fast,

your eye sees

only

the

static,

interlaced

frame.

The

electron

gun,

however, needs

to

know

when

it

has reached

the

end of a

vertical

line

so

that

it

can

shut

down

and swing back

to

the

left

side

to'

start

the

Likewise, when

the

gun

reaches

the

lower

dght

corner

it

must

again

shut

down

and

retrace

to

the

upper

left

for

the

The two

signals

.needed

for

these

actions

are

called

horizontal

and

vertical

blankin,.

They are generated

by the Sorcerer s video timing circuit

and

arrive

at

an

OR

g

ate

near the

shift

register for

final

integration

into

the

data

stream.

Now

we

have

the

data

in

a

serial

bit

stream

waiting

to

be

docked

out

of

the

shift

register and

the

video

sync

signals

waiting

to

be

integrated

with our

data

at

the

dght

moment.

The

combination

is

done

in

a

Digital

to

Analog

Converter (DAC) formed

out of a good

old

2N2222

transistor

and

a

handful

of

resistors

and

cap's.

As

the

data

is

shifted

out

of the

register

by

the

video clock,

the

1

's

and

O's

turn

the

transistor

on

and

off.

The

output

is

shaped by

the

RC

network

tied

to

the

transistor's

output

and

an

analog

signal

results

that

can

be used

to

drive

the

monitor.

The

horizontal

and

vertical

sync

pulses are

also

added

to

this

information

by

the

computer.

When

the

counters

indicate

that

the end of

the

line

has been reached,

the

shift

register is

inhibited

and

the negative

going

HSYNC

pulse

is

inverted

to

turn

off

all

the

transistor's

output

so

we

never see

the

horizontal

retrace

to

the

The

same happens

when

the

counters

say

that

the

scan

has finished the 1

ast

line.

As

simple

as

it

may

sound,

the

timing

is

done

at

6MHz

and

that

leaves

no

margin

for

errors.

The

Sorcerer

is

the

only

personal

computer

that

utilizes

this

sophistica-

ted

system which

is

why

we

can

do

so

many

great

hi-res

things

on

our

system.

It

also

makes

things

like

integrating

light

pens

very easy

bec.ause

the

computer always knows

where

it

is

on

the screen.

one

of your TRS -

80

or Apple friends

is

giving you

the

party

line,

ask him

how his video system works

and

judge

for

yourself

who has the more

sophisticated systeml

Please

note

the

following

errors

in

the

Sorcerer I

Technical

Manual:

On

page 39

under

Horizontal

Sync

Generator;

7B-6

shuts

off

video

not

7B-5

as

stated;

under

Vertical

Sync

Generator

note

that

lB-9

not

5A-9

works .

similarly

to

3A,4A.

••

etc. Also

note

that

be

testing

bit

5

of

port

FE

you

can

tel

when

the

computer issues

a

vertical

sync

pulse.

This

can

be

useful

for

many

applications

such

as

.

light

pens

and

sublnninal

experiments

and other

exotic

applications

••

-------------_.-

o

EXIDY

SORCERER USERS

1-

ATTENTION

-I

We

have molded and

custom

engraved key

tops

for Spellbinder and Exidy's Word

Processing

ROM

Pac.

Spellbinder

set

consists

of

the following:

B8rnw

Word

processing ROM Pac consists

of

the

following:

I

EXPAND

I

EJ

BEJmITJ

Sets are available in * Red, Blue, Black, Beige and Charcoal,

with

or

without

front

engraving

of

symbols

originally on

the

top

of

the

key

top

(no

graphic

symbols

replaced).

Pricing:

No

front

engraving

Spellbinder

$15.00

ROM

Pac

$11.00

With

front

engraving

25.00

1-6.00

Sets

shipped

UPS

COD

unless

accompanied

by

check

or

money

order.

Also available for Spellbinder

are

the Y and U keytops (exchange basis only), that

are

engraved

ENTER

and IENHANCEI respectively. (engraving on

front

face)

ENHAN _ _

(1.00

each)

We also

stock

keytops

for

Cherry

and

Keytronic Corp. keyboards

and

other

video

data terminals

and

computers.

SPELLBINDER KEYTOP SETS

also available for:

• SUPERBRAIN • TELEVIDEO • ZENITH • GNAT 0

IARKAY

ENGRAVERS,

INCal

2073

Newbridge Road • P.O. Box

916

Bellmore,

New

York

11

71 0

(516)

781-9859

::aD

);

I

Dealer

Inquiries

Invitedl....cl~~-4I_1III

*

We

recommend

RED

for

maximum

visibility.

SORCERER'S APPRENTICE, D('c('mb(,T

1,

19111

173

SORCERER'S APPRENTICE

P.O.

Box

33

Madison HeightS,

MI

48071

III JOIN

NOW

!!!

To

become

a 1982

meniber

of the

SOMel'el"'S

Apprentice User's

Group and receive Vol.

IV

of -the SORCERER'S

APPBEHTICE Newsletter, return this completed application

along

with payment.

NAME

I

Title:

Mr.

Miss

Mrs.

Ms

Dr.

or

____

_

First

name:

_____________

_

Middle'initiab

___________

_

Last namel

_____________

_

Business

Name

(if

a business):

ADDRESS:

Number, Street and Apt. No.

Ci~I

__________________________

__

State

or Province:

___________

_

Zip/Postal code

I

___________

_

CountrYI

________

--'

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_

PHONEI Home: (

________________

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Business: -(

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_

If

you

do NOT wish the above released, sign here:

NETWORKS:

So~ID:

_____________

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MicroNET ID:

___________

_

The following information will be held

in

confidence:

Which

of

the following do you have?

(circle where applicable):

SORCERER:

, Number of units

(if

more

than

one) I

____

_

Model: or

II

RAM

memory:

8K

16K

32K

48K

>48K

EXPANSION.

Eddy

S-100 Expansion Unitz Ye; No

Other expansion

unit:

_________

_

Eddy

expansion cable: Ye;

No

Cards used in expansion

unit:

PRINTER: Type:

_______

~----------

DISK SYSTEM:

Type:

_______________________

__

CP/M:

Eddy

1.4

2.2

Lifeboat 1.4 Mentzer

2.2

Other DOS:

__________

~--

BASIC:

__________

~

___

__

MODEM:

Ty~:

_____________

_

PERIPHERALS:

PERSONAL:

Age:

___________________

_

Occupation:

_____________

_

How

do you

rate

yourself as a computerist?

>

HARD

WARE:

Beginner Intermediate

Ex~rt

>SOFTWARE:

Beginner Intermediate Expert

Is

your interest:

Hardware Software Both

Is

your application;

Business Personal Both

Use

a separate sheet of paper, if you

don't

have enough

room

to

comment below.

PLEASE

USE

SEPARATE

PAPER

FOR YOUR QUESTIONS.

EXIDY:

If

you have

had

any

dealings

with Exidy

Systems,

describe their

nature

and

outcome:

FEEDBACK:

What types of

software

interest

you most?

List

the

columns or articles you

like

the most.

List

she columns or articles you

like

the

least.

What

topics/articles

would

you

most

like

covered?

What comments have you about

the

Newsletter?

BACK

ISSUBS:

ARESCO

Source (issue;

1-5)@$8:$,

__

_

S.U.N. Volume

II@$10:$,

__

_

Sorcerer's Apprentice Vol I

(1-7)

@ $10: $

__

_

Sorcerer's Apprentice Vol II

(1-5)

@ $10: $

__

_

Sorcerer's Apprentice Vol

III

(1-8)

@ $12: $

__

_

Sorcerer's Apprentice Vol

I-III

@

$2

per issue: $

__

_

OVerseas

orders add

$l/issue

or $4/Vo!: $

__

_

1982

MEMBERSHIP

-

VOLUME

IV:

U.S.A.

-Third

Class

postage @ $18: $

__

_

U.s.A. -

First

Class

(in

an

envelope)@$24:$,

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Canada

& Mexico -

First

Class@$24:$,

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_

All others -Airmail @ $32: $

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Single issue -

USA,

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$_~=

-All others airmail @ $4:

_$

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TOTAL $

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Make

checks

or

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(::ik

in

US

funds drawn on

a

US

bank) payable

to:

SORC

'S

APPRENTICE.

174 SORCERER'S APPRENTICE, December 1, 1981

I

/-----1

, I

\,

--I

I

c

50RCERER

COMPETITION

S~STEm

SCFTWar~

1 KENT STREET, BICTON

WESTERN AUSTRALIA 6157

TELEPHONE: ISD

(619)

STD (09) 339 3842

Sunday through

to

Friday.

Ask

for

Richard Swannelf

for

personal service.

SUPER

ASTEROIDS

by

Apollo

'A

new

era

in

real

time

graphic

arcade

games'.

Never

has

there

been

such

a

captivating

and

superbly

written

arcade

game

for

the

Sorcerer.

Styled

after

the

well

known

and

very

popular

ASTEROI[)

OELUXE

arcade

game,

SUPER

ASTEROI[)S

is

destined

to

become

the

most'

popular

piece

of

demonstration

software

used

by

dealers

and

users

alike.

Perhaps

it

is

the

outstanding

use

of

fine

line

graphics

or

the

silky

smooth

moveme~t.,

Maybe

it

is

the

breathtaki,ng

speed,

dazzling

explosions,

gripping

sound

effects

or

simply

the

challenge

of

avoiding

those

lire

balls

from

that

persistent

flying

saucer

that

insidiously

follows

you

across

the

screen.

Whatever

it

is,

we

warn

you

NOT

to

purchase

this

game

for

fear

that

you

may

join

the

ranks

of

hundreds

of

other

ASTEROIO

Addicts

who,

square

and

bleary

eyed

at

3

am,

just

MUST

have

ONE

more

go

at

trying

to

beat

that

Hi9h

Score.

The

object

is

to

guide

a

small

space

ship

across

the

screen

avoiding

but

shooting

asteroids

as

they

glide

past.

When

an

asteroid

is

hit,

it will

break

up

into

many

smaller

pieces.

By

repeatedly

hitting

the

pieces

they

will

soon

disintergrate

and

disappear.

If

you

crash

your

ship

into

an

asteroid

it will

break

into

pieces

and

splinter

across

the

screen

in

a

shower

of

sparks!

However,

if

you

manage

to

stay

in

one

piece,

chances

are

you'll

soon

be

pursued

by

a

flying

saucer

that

shoots

balls

of

fire!

Best

that

you

treat

him

wit~

care,

else

you

may

make

his

friends

VERY

aggressive.

Apollo

has

used

a

novel

but

ingenius

method

of

continualiy

reprogramming

graphics

characters

and

has

obtained

stunning

results!

All

movement

i~

done

pixel

by

pixel

but

without

speed

loss.

Numbers

of

asteroids,

directions,

speeds

and

such

like

are

all

totally

unpredictable.

If

you

can

show

us

a

piece

of

software

that

has,

finer,

smoother

and

faster

graphics

than

SUPER

ASTEROI!)S.

we

guarantee

to

refund

your

money

in

full!

Cassette

$29.95

COMPETITION

We

are

running

a

programming

competItIon

and

encourage

anyone

with

time

and

enthusiasm

to

enter.

Prizes

will

total

over

$2,500.00!

One

prize

of

$500.00 will

be

awaided'to'eai:h'winNing"entry'in

all

£''Sec-tions"with

the

cha,nce

of

more

than

one

winning

entry

per

section

if

the

standard

is

particularly

high.

SECTION

1:

Games

-

Any

type

of

game

will

be

accepted

although

we

recommend

the

arcade

styles

such

as

Asteroids

or

Adventure

games.

SECTION

2:

Utilities

-

Here

a

wide

range

of

options

is

available

including

Graphic~,

Plotting,

Assemblers,

Mini

Compilers,

Printer

Drivers

and

Disk

Utilities.

SECTION

3:

Educational

-

Anything

from

child

education

in

Maths

and

Spelling

to

computing

such

as

the

Machine

Code

tutorials.

SECTION

4:

Serious

Applications

-

This

may

include

Data

Base

programs,

Accounting

Systems

(both

cassette

and

disk

basedl,

Maths

and

Scientific

packages,

Astronomy

and

other

special

purpose

applications.

SECTION

5:

Miscellaneous

-

Anything

not

covered

above

such

as

Novelty

Programs,

Hardware/Software

combinations,

Sound

Generation

and

Wordprocessor

programs

would

come

under

this

section.

CONDITIONS

OF

ENTRY

All

applications

must

be

lodged

at

System

Software

on

Dr

before

the

31st

December,

1981.

Entries

should

be

submitted

on

casselle

at

both

1200

and

300

baud

twice

each.

"

the

soi1ware

is

to

be

run

on

disk,

instructions

should

be

included

on

uploading.

No

entry

will

be

returned

unless

specifically

requested

and

return

postage

forwarded.

Entries

will

be

judged

according

to:

111

Pr09ramming

technique.

121

Reliability.

(31

Usefulness.

(4}

Creativity.

(51

Originality.

(61

Marketability

and

(71

Documentation.

Atleast

one

(I}

winning

entry

will

be

taken

from

each

section.

The

Judges'

decisions

will

be

final

and

no

correspondence

will

be

entered

into.

A

prize

of

$500.00

will

be

awarded

to

each

winning

entry.

Only

wllllling

entries

will

become

the

property

of

System

Software.

The

~ames

of

all

programmers

submitting

winning

entries

will

be

published

in

a

subsequent

catalogue

unless

otherwise

requested.

ZAPBO

ISecret

Code

Disassembler',

by

Ian

Robinson

This

is

far

from

your

average

run·

of·

the·

mill

disassembler

I

Other

than

being

a

mere

4r.

long,

able

to

disassemble

at

the

speed

of

light

and

packed

with

opti~ns,

ZAPBO

will

display

before

your

very

eyes

all

those

unknown

instructions

ZILOG

nevel

talk

about!

Ian

has

been

doing

extensive

research

into

the

actions

of

the

ZBO

processor

when

confronted

with

the

700

or

so

undocumented

(and

so

called

'illegan

code

sequences,

Over

100

of

these

are

VERY

useful!

Did

you

know

you

have

extra

B

bit

registers

and

a

complete

set

of

instructions

to

manipulate

them?

Oid

you

know

about

extra

rotate

instructions?

ZAPBO

will

disassemble

ANY

code

sequence.

Nothing

is

illegal!

It

will

allow

YOLI

to

pnigram

with

codes

that

no

other

disassembler

can

decipher!

Think

about

thai

ZAP80

comes

with

documentation

and

explanation

of

all

new

mnemonics

used,

Three

versions

are

supplied

that

reside

in

low,

mid

and

high

memory.

Options

include

ASCII

output,

screen

,pause

and

customised

pri'nter

control.

Whether

you

are

a

serious

programmer,

a

beginner

or

simply

curious,

ZAP8[J

is

a

piece

of

software

you

must

have.

Come

and

play

a

REAL

adventure

game!

A

Cassette

$24.95

'T

) "'--

We

are

a dynamic Western I '

,

~~

....

k~

Australian enterprise whose 1

~

sole

aim is

to

bring you the

best

in

Sorcerer software.

A catalogue such

as

this

is

produced -

regularly and sent

to

approximately

2000

interested Sorcerer

users

in all

parts of the world. Let

us

know

if

I

you wish

to

be

included on our

~'

mailing list.

,\

\

~~

HOW

TO ORDER:

ALL

PRICES

ARE

IN

AUSTRALIAN

DOLLARS.

One Australian dollar equals 1.16 American and 1.4 Canadian.

All programs come standard on cassette

but

some may be requested on either

Micropolis"

Quad density

or

VISTA

5\4"

diskettes

for

an additional cost

of

$5.00 per diskette. Note that more than one program will

fit

on a diskette.

Programs available

or

diskette include CIRCUS, GALAXIANS, GROTNIK

WARS and ZAP80.

$2

discount

if

this form is used. (Photostat will suffice!.

PROGRAM

Postage

within

Australia is

$1

for

initial item and

50c

for

each additional. Outside Australia

is

$2

and

5Oc.

Less $2

Discount

TOTAL

I enclose,

PRICE

$2.00

(a)

Cheque

or

money order

for

the above amount, or

(b) My credit card, expiry date

.......................

.

(Master Charge, Visa, Bankcard, American Express, Diners Club}

No

...............................................

.

My

name and address:

NAME:

...........................................

.

STREET:

.........................................

.

TOWN/CITY:

.....................................

.

POSTCODE: .

..

.

..

.. ..

..

. COUNTRY:

...........

..

SORCERER'S APPRENTICE,

Den'mber

1,1981

175

Members

of the Sorcerer's Apprentice User's Group

are

entitled

to

8 issues

of

the

group's Newsletter, the SORCERER'S APPRENTICE; the services

of

the

library;

access

to

its

on-line

CP/M based Computer Bulletin Board Service; other services as they

become available.

MEMBERSHIP

BATES for 1982:

USA

-bulk

post8§1:e

-$18,

1st

class

postage

in

an

enve1o~

-$24;

Canada

&.

Mexico -$24;

single

ISSUes

$3;

all

others -air mail -

$32,

smgle

issues

$4.

B&CK

ISSUES:

ARESOO

Source

(issues

1-5)

$ 8

S.U.N.

Volume I SOID

OUT

S.U.N.

Volume

II

$10

Sorcerer's

Apprentice

Vol I

(1-7~

$10

Sor.cerer's

Apprentice

Vol

II

(1-5

$10

Sorcerer's

Apprentice

Vol

III

(1-8)

$12

S.A.

Vol's

I

thru

II

I

(per

issue)

$ 2

OVersees orders

for

back issues add $4 per volume or $1 per issue

to

cover

additional

air

mail postage

and

handling.

Make

checks or money orders

(only

in

US

funds drawn on a

US

bank)

payable

to:

SORCERER'S .APPRENTICE.

Commereial adwa1:isers, please

contact

us for advertising

rates.

Non-commereial

classified ads are accepted

at

the

rate

of

$1 per 35-column

line

or

part-line.

Newswortb.y

itans

may be submitted via the

MiniCBBS

on

the Sorcerer-based

RCPM

at

(313) 535"-9186, the SOURCE

(TCF656),

or

MicroNET (70150,365),

on

Word

Processor cassettes or CP/M

Word

Processor/Editor files on Micropolis

Mod

II

hard-

~tored

diskettes

(any

of

these preferred) or

har¢opy.

Magnetic media returned

upon request. Hardcopy

will

be returned if requested

and

accompanied by SASE.

SEND

ALL

COBRESPONDENCE

TO:

SORCERER'S APPRENTICE

P.O.

Box

33

Madison Heights, Michigan 48071

U.S.A.

FIRST

CLASS

RETURN

AND

FORWARDING

POSTAGE

GUARANTEED

i

\

'-.

i

I,

,J

.,

i

\

,ii

" \

\

I

.1

i

J.

Sorcerers_Apprentice_V3N8_Dec1981 Sorcerers Apprentice V3N8 Dec1981

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