Full text of "The Rainbow Vol. 01 No 1 - Vol 8 No 11"

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^C^DQ^ INUKDER*

■ry 1862

5803 Timber Ridge Drive • Prospect. KY 40059

VOL. I NUMBER 8

Editor's Notts...

PRI NT «*— 2*

Those? of you Mho are long-tine
readers of the RAINBOW will observe
that this issue is fatter than any we
have ever published. That means
there is nore information exclusively
for Color Computer owners here than
ever before.

There's a reason for it, frankly.
You may also observe that there are
more advertisments this month than
ever before. First of all* we
believe advertisments can be helpful
to you in expanding/augmenting your
Color Computer system. Butt second,
the ads help bring you the RAINBOW at
a reasonable cost.

Have you priced a good printer
lately? If you have, you know that
it is expensive printing the RAINBOW
and that paper and labor costs
increase all the time. And, even
with bulk rate mail, it costs in
excess of 60 cents to prepare, print
and mail the RAINBOW to each of you.
Without the ads, we would be cuttting
costs by producing smaller issues.
And that would mean less information.
With the ads, we can bring you more
information each month.

That's one of the main reasons we
ask you to patronize our advertisers.
And, it is also one of the reasons
we ask you to mention the RAINBOW
when you do.

But* we will never become an
ad-heavy publication. We aim at
about 33 percent advertising, which
means if we get 100 pages of ads,

(Continued on Past 4

The Monthly Magazine for Color Computer Users

UNDER th» RAINBOW

Videotex To Disc...
Income Tlx Helper...

Fantasy Game Aid 4*3...
Flowcharting Help...
Disc Index!

FrettyprintinQ...

Software Reviews...
And MUCH MORE!

Tutorial

PIL
LOW

RING IN
MEMORY

By Wayne A. Diercks

There comes a time in the life of
every midnight programmer when 4K of
RAM (2343 bytes for CoCo), or even
16K (14,631 bytes using POKE 25:NEW
in Extended Color Basic) are Just not
enough for the elaborate application.

You've already compacted your
program statements as much as
possbile and you may have unreserved
some of the 200 bytes of string
storage allocated on power-up by use
of the CLEAR statement.

Don't give up yet. There's one
more trick to try — pilfer some
lower memory!

On power-up the computer, being a
bit greedy, automatically "grabs" the
first 1536 bytes of Random Access
Memory (RAM) for itself. The top 312
bytes from address 1024 to 1535 are
used to store and display the

(Continued on Pas 22 )

llLtaJtaaJiz

R RE RARE ROR TA X
T I ME - . .EASILY

By Lawrence C. Falk

Last month we made aura that your
checkbook was in balance* and now
we're ready to take that balanced
checkbook and start work on your
income tax return for 1981.

TAXTAB will categorize all your
checks and wake it pretty easy to see
where to put those deductions. At
the same tine, it will also total up
all your income so you can tell how
much money you've made during the
year.

when next month's RAINBOW arrives,
there will be a program that plugs in
this month's information to a tax
form (104(9) so you can do your own
taxes.

In order to make TAXTAB as
universally useful as possible, we've
set it up so youu enter your
information as DATA statements,
beginning with line 361. You can put
in one entry for each line (or a
number of them on a line if you'd
like) through line number 998. If
you need more lines, (you also need a
CPA) you can move line 999 to 1999
and use the additional space.

Obviously, you can change the
input structure and save the data to
tape or disc. We're leaving it as a
DATA statement program to insure
speed.

Data lines are structured into
three .strings and one numeric
variable. The first string, R$,
tells what sort of an entry you are
making, Income or Expense. The
second string, TTS, refers to the
TYPE of entry — Interest Income,
MDs, Local Taxes, etcetera. Refer to
lines 82, 91 and 92 for the proper
codes.

Next we have IDS, which is an
actual description of the item. This
might be "1981 Property Taxes" or the
like. Finally, AM is the dollar
amount. A typical input line would
look like thist

361 D,MD,Dr. Smith, 45

The "D" is for deduction, MD means
Physicians, Dr. Smith is the
physician's name, and 45 is the
amount of money paid. If you imbed

commas in these data statements, be
certain to enclose that part of the
statement in quotes, because commas
are data field terminators.

This program is written with an
optional hard copy printout for
the LP VII. Note the "IF PR-
statements before all the PRINT
i-2,*s. If you do | not have •
printer, you can still key this
program in as written and Just answer
"N" or "NO" to the question of
whether to use the printer. This is
a handy technique to use to allow
either dual or single output.

Finally, since tax information is
confidential, we've added a

"password" to this program. If you
don't answer the password correctly
in line 4, the program Jumps to line
2(900 and erases itself. You might
wish to change the password from my
first name to something else.

To use this program, merely go
through your checkbook and write a
DATA line for each deductible item
and for all the income items you
have. Run it for a printout either
to the screen or a printer.

You don't have to do all the
entering at once, but you will have
to resave the entire program (with
the newly added DATA lines) after
each session.

The listing:

(Continued on Page 5 )

the RAINBOW

PUBLISHED BY FALSOFT
5803 Timber Ridge Drive
Prospect, KY 40059

Lawrence & Falk — Editor

The RAINBOW if intended for the personal use and plea-
sure of its subscribers and reproduction by any teans is
forbidden, use of programs and infor nation herein is for
the single end use of subscribers and any other use is
prohibited.

TRS-W, Color Cotputer and Extended Color Basic are
trademarks of Tandy Corp.

AH programs herein are distributed on an 'as is'
basis, without warranty.

Subscriptions to the RAINBOW are 112 per year in the
United States. Canadian and Mexican rates are $16 per
year. Surface sail to other countries is $26, air tail
to other countries is f*4, due to postage costs alone.

United bade issues available for 12 each* plus 12.51
for shipping and handling.

Paynent accepted by cash, check, aoney order, VISA or
MASTERCARD. Please include account nuiber, expiration
date and your signature when using bank cards.

The RAINBOW is published every tenth of the year.

TO RAINBOW

Editor:

I found Jar* Hir't tochine tope
finder/saver to If very woeful,
fewever, I famd tone tapes ahidi
returned i 84 ERROR when I tried to
UN the utility.

I discovered • staple way to get

ttitt aOMII'MHH. Hnen
the start, end, entry lift Am on
the term. aubtract tit offset frot
ttosdwd ntry values, rtload tic
two ii tuestion, end CSAVB1 with
your OMfound values.

Franklin, Teon.

Editor t

I subscribe to irvcral cooputer
publications and there is one tling
tlat is disturbing to oe. Here
seas to be a tendency for experts to
write to each other — to shoo off
their skills.

Host Color Cooputer oners ore not
at chine language experts and need
explanations of loo to actually
run tone of tie prograos. I typed in
a progran fron (another publication)
and couldn't get past the first
entry. Tie occonpanying article
didn't actually get into using tie
prograoi but told box the progran oas
developed, ho need tore 'what to do
M's...'

Ton Nee

Pittsburgh,

Pa.

Editor:

I have just received ay first copy
of the RAINBOW and I an very pleased.
I read an article by a University
professor and decided to share tone
of oy experiences oith you.

I teach seventh grade biology and
oe have about 388 students ot our
school. I bought a TIE -91 Color
Cooputer and 61

15 for neobership. The school also
donated 1388. I then contacted a
fierald lerg, a cooputer prograaoer.
Re ude oany use'ul prograos for the
students and I would like to describe
too of then for the benefit of any
teacher oho owns a Color Cooputer.
The first presents nev notorial to

students in the foro of a oultiple
choice and trill told 41 ours tiers.
There are various responses and
secret, attending another the student
gets the Question right or orong on
the first or o tubseouent attonpt.
The progran also keeps a score for
the student.

The second is a grade averager
ohich I find excellent for averaging
oy grades. It has the added feature
of allowing oo to add or subtract
tutbers oithout clanging the divisor
and tolls ae the nutter of grades as
toll as the nuober of extra credit
grades.

The cotputer progratoor oho erote
these can be contacted through Tie
■erg Works, lox 742, Jenesville, HI
53547.

Congratulations on a very fine
eagazine!

Thou J. Vogt
Clinton, Wis.

Editor:

We're interested in getting a
Special Interest Color Cooputer
User's group going in the Bellas
area. Would you please ask all Color
Cooputer users in this area to five
ae a call about Joining?

I can be reached at (214) 464-6999
between 8 a.o. and 5 p.o. and at
(214) 224-4444 at other tioes.

He'd like to get together tor
outual benefit and assistance.

R.V. Scott
DeSoto, n

Editor:

I Just received oy first issue of
the RAINBOW and oas very inpressed
oith it. Keep up the good work.

The article by John L Urban oas
very good. I would like to add tlat
for a correct siaulation of dice
rolling is the combination (sue) of
the randon matters produced. For
exaople, tie roll of too six-tided

die would be:

3(6)
)(6)
PRINT M

This km Id give you the correct
of rolling I certain nutters.
Also, the nunccrs produced would be
bottom 2 and 12, tot 1 and 12 if you
toe only one M) function.
Joseph A. Haseostaub
OH

Editor:

I really enjoyed the ET and PUT
article.

I'o especially interested in
inforoation on running the CoCo at
1.8 ahz. It looks like the hardware
design can't handle it. except by
luck.

Hy standard 16K Extended Basic
ot chine can run prograos, but oill
tot perron the 1/0. I installed 2.1
ahz oB21's, but could input only for
a while oith a fan cooling the 6889.
At soon as the 6889 got earo, I oas
back where I was. I then bought a
2.8 ahz 6889 and then nothing worked
at 1.8 ahz. It looks like the buses
need buffers.

Richard Krankoski

Elk Grove Village, IL

Editor:

One great interest I lave is
finding tie POKE to reverse tie
lower-case blocks. I realize that

tic final answer was given by a
Brnnis Kitsz in 88-Nicroconputing,
hit I on toping tlat soteone oill
cone out oith a conplete systeo to go
■ coluons or 64 col ions for word
processing.

Hilliaa Sanford

Juneau, M

f«9C 4

? #-2 Froi P9. 1

we'll print another 200 pages of
copy. Enough said.

You may also notice this column
has a new title. Well, we think its
better than Just 'Editor's Notes."
And* you may also notice there are no
more spaces between paragraphs —
because we would rather fill that
space with information than . with
space.

Me are giving thought to listing
out programs in a type size similar
to that of our letters column. We
know it will make it somewhat more
difficult to readi butt again* it
would mean more information. We
welcome your input. As you know, all
listings are set to the 32-character
Color Computer screen size. To make
it easier to check your typing.

And to the many who Join us this
month for the first time, greetings.
We appreciate your willingness to
wait — but we can't "start" a
subscription when we get an order
(who does?) because of the high cost
of mailing individual copies. If you
want back issues, we do have a
limited supply of Nos. 1-5. No

UPDATE ON
PROCESSORS

Last month our feature story was
on four word processing programs. We
promised at the time to keep you up
to date on them.

Both C.C. WRITER by. Transformation
Technologies and WORD PROCESSOR/TEXT
EDITOR by John Waclo have now been
converted for use by the CoCo disc.
Disc versions of both programs have
been received by the RAINBOW this
month and both have been checked out.
Both work well.

We also understand that

TELEWRITER'S disc version is in its
final stages of testing.

copies of No. 7 are available, and.
only a few of No. 6.

We also encourage you all to tell
your friends and local computer
stores about us. The more copies we
sell, the lower our per-copy cost.
And the more money we will have to
spend on editorial content.

We want to be the best
computer magazine you receive. We
welcome your input, contributions and
suggestions.

CO-RESIDENT EDITOR/ASSEMBLER

(CORES9)

C0RES9 is a complete hiH function editor/assembler package that wiH allow you to create,
edit and assemble 6809 machine language programs (or the color computer. It features a
powerful full function text editor and supports the entire 6809 instruction set with aH
addressing modes, forward and reverse (able references, wM output object code directly to
memory or "CL0A0M" compatible tapes and much more. price $39.95

TEXT EDITOR

This program is a Bne/charicter oriented text editor for the
color computer, that win enable you to create and edit text
files for Basic programs, letters, text data files, or almost
anything you might want to put on paper. It features functions
for adding, Inserting, deleting, moving and copying text lines
or paragraphs; powerful string search and replace com-
mands, single and automatic One numbers and line editing
with 9 sub commands to Insert, delete, change, add and
remove Individual or mutipla characters. Tape commands
allow you to save, load, append, and skip tape files; also It Is
compatible with Basic ASCII tape formats. A MUST HAVE
PROGRAM!!

ONLY $19.95

SYSTEM MONITOR
(TRSMON)

Trsmon is a 2K system monitor program that will allow you to
explore the workings of the color computer. It features 9
debuging comands, tape load and save compatible with Basic
"CLOADM", up/down load via RS232 port, terminal package
that allows the color computerto be used as a teminal at baud
rates up to 9600 baud and a printer driver to direct display
output to the printer for memory dumps, disassembn/s etc.
The program is position Independent so H can be moved
anywhere within the system memory. A very powerful tool at a
very reasonable price.

ONLY $19.95

5566 RICOCHET AVE.
Las Vegas, Nv. 89110

CER-COMP
(702)452-0632

All Orders Shipped From Stock
Add $1.00 Postage-
MC/VISA Add 3%

TAX Fn» P|. 2

B *****«****TAXTAB»«********

1 •*#» (c) FALSOFT 1982«««»«

2 •

3 CLSiPRINTiPRINTiPRINT

4 PRINT " THIS IS AN INCOME TA
X LIST PROGRAM. TO 6AIN ENTRY

TO IT, YOU MUST ENTER AN ACCES

5 CODE. PLEASE ENTER THE COD
E AT THE QUESTION MARK."

3 PRINTUNPUT " <ENTER> CODE H
ERE" | CDS I IF CD»O"L0NNIE" THEN 2
000

10 CLS

20 REM TRS-80 LOCATOR
30 REM •••DATA INITIALIZATION**
33 PRINT l INPUT" DO YOU WANT YOU
R OUTPUT TO GO TO THE PRINTER" I G
FftIF LEFT«(GF$, 1)«"Y" THEN PR=1

1 CLS

40 M-1000

30 PR I NT « INPUT "SHALL I PRINT AL
L ENTRIES (Y/N)"|At
60 PRINT

70 IF A»-"Y" THEN 3600

72 CLSl PRINT864,"D0 YOU WISH. .
." * PR I NT

73-PRINT" 1-INCOME TABLES"
74 PRINT" 2-DEDUCTION TABLES"

73 PRINT" 3-TAX SUMMARY" l PRINT "
4 -END PROGRAM" l PR I NT

76 INPUT " <ENTER> APPROPRIATE
NUMBER" |Z

77 IF Z«3 GOTO 2999

78 IF Z-4 THEN END

79 IF Z«2 GOTO90

00 CLS: PRINT iPRINTaB, "INCOME SEL
ECTOR" t PRINT

02 PRINT" (W) WAGES",, "(II) INTE
REST INCOME", "(D) DIVIDENDS" ,, "
(01) OTHER INCOME" I PRINT

04 INPUT " <ENTER> APPROPRIA
TE CODE'lX*

65 GOTO100

90 CLS « PRINTt PRINTS6, "DEDUCTION
SELECTOR" l PRINT

91 PRINT "(MD) DOCTORS",, "(M) M
EDI CINE AND DRUGS", "(MI) MEDICAL

INSURANCE", "(ST) STATE TAXES PA
ID",MLT) LOCAL TAXES PAID", "(RE
) REAL ESTATE TAXES", "(BT) SALES

TAXES PAID"

92 PRINT "(PT) PERSONAL PROPERTY
TAX", "(HI) MORTGAGE INTEREST","

(CI) CHARGE AND CREDIT INTEREST"
,"(AI> AUTOMOBILE INTEREST"

93 PRINT" (nf) NEXT FRAME FOR MOR
E INFOi?

94 INPUT " <ENTER> SELECTIO
N"»X*«IF X*«"" OR X»="NF" THEN 9

3 ELSE 100

93 CLS:PRINTa5,"M0RE DEDUCTION S
ELECTOR" tPRINTiPRINT" (CO CASH C

ONTRIBUTIONS" , " (NO NON-CASH CON
TRIBUTIONS","(TF) CASUALTY & THE
FT LOSS","(EB) EMPLOYEE BUSINESS
EXPENSE"," (MS) MISCELLANEOUS DE
DUCTIONS"

96 PRINT" (RP) RETURN TO PREVIOUS
","(RM) RETURN TO MASTER FRAME"

97 PRINTl INPUT •* <ENTER> SEL
ECTION'lXt

90 IF Xf«"RP" THEN 90

99 IF X»«"RM" THEN 72

100 CLSl PRINT

101 IF PR THEN PRINT#-2,CHR»(31)
l GOTO 102 ELSE 122

102 IF X»«"W" THEN PRINT#-2,"

WAGES"

103 IF Xt«"II" THEN PRINT#-2,"
INTEREST INCOME"

104 IF X««"D" THEN PRINT#-2, "
DIVIDENDS"

105 IF X»«"OI" THEN PRINT#-2,"
OTHER INCOME"

106 IF X»«"MD" THEN PRINT#-2, "
DOCTORS"

107 IF X»«"M" THEN PRINT#-2, " ME
DICINE ft DRUGS'

108 IF X»«"MI" THEN PRINT#-2, " M
EDICAL INSURANCE"

109 IF X»«"ST" THEN PRINT#-2,"
STATE TAX PAID"

110 IF X»«"LT" THEN PRINT#-2, "
LOCAL TAX PAID"

111 IF Xf«"RE" THEN PRINT#-2,"RE
AL ESTATE TAXES PAID"

112 IF X»«"BT" THEN PRINT#-2,"
SALES TAXES PAID"

113 IF X»«"PT" THEN PRINT#-2,"PE
RSONAL PROPERTY TAX PAID"

114 IF X»«"HI" THEN PRINT#-2, "
MORTGAGE INTEREST"

113 IF X»«"CI" THEN PRINT#-2,"CH
ARGE AND CREDIT INTEREST"

116 IF X»-"AI" THEN PRINT#-2, "
AUTOMOBILE INTEREST"

117 IF X»-"CC" THEN PRINT#-2, "
CASH CONTRIBUTIONS"

110 IF X»«"NC" THEN PRINT#-2, "
NON-CASH CONTRIBUTIONS"

119 IF X»«"TF" THEN PRINT#-2,"TH
EFT AND CASUALTY LOSSES"

120 IF Xt="EB" THEN PRINT#-2,"EM
PLOYEE BUSINESS EXPENSES"

121 IF X»="MS" THEN PRINT#-2,"
MISCELLANEOUS DEDUCTIONS"

122 PRINTt IF PR THEN PRINT#-2,CH
R»(30)""

130 PRINT

140 PRINT-TYPE" |TAB(7 ) " DESCRIPTI
ON" I TAB (24) "AMOUNT" I IF PR THEN P
RINT#-2, "DESCRIPTION" $ TAB ( 37 ) " AM
OUNT"
130 REM

(Continued on Pa* 6 >

Page 6

TAX Fn» Pg. 5

330 PRINT: IF PR THEN PRINT #-2,

335 PRINT " TOTAL >"<TAB(2

0)AT:IF PR THEN PRINT#-2, CHR* ( 31
)- TOTAL "CHR* (30) I «PRINT#-2,T
AB(25) ; :PRINT#-2, USING" *###,###.
##" ;at

337 PRINT STRING* ( 32, "*") ;:IF PR
THEN PRINT#-2, STRING* (80, "-■ )

339 IF PR THEN PRINT#-2,""

340 INPUT" PRESS <ENTER> TO CON
TINUE" »Z*:CD*="LONNIE" :CLS:RUN30
360 REM *»»DATA ENTRIES FOLLOW**
999 DATA END

2000 PR I NT : PR I NT : PR I NT

2001 CLS:PRINT:PRINT:PRINT:PRINT
TAB(13)"";CD*;"*":PRINT " IS

not THE PROPER CODE" : PRINT: PRIN
T " THE PROGRAM HAS BEEN ERAS
ED FROM COMPUTER MEMORY. ■ :NEW

2999 CLS: PRINT: PRINTTAB( ID'TAX
SUMMARY": IF PR THEN PRINT#-2,CHR
♦ ( 31 ) TAB ( 14) "TAX SUMMARY" CHR* ( 30
) :PRINT#-2, " "

3000 FOR Q=l TO 1000: READ R*
3005 IF R*="END" THEN 3050
3010 IF R*="I" THEN 3500
3020 READ TT*, ID*, AM

3030 DD=DD+AM
3040 NEXT Q

3050 PRINT-TOTAL DEDUCTIONS: ■ ;TA
B(22)DD:IF PR THEN PRINT #-2» " TO

(Continued on Pi* B )

©@ll©(f*©©(fifil/©

The ULTIMATE Color Computer Smart Terminal Program
LOOK AT THESE FEATURES «

1. FULL ONLINE AND OFFLINE SCROLLING, 1 OR 12 LINES AT A TIME.

2. SELECTABLE BAUD RATE (300, 600, 1200) AND PARITY. FULL OR HALF DUPLEX,

TOO!

3. OUTPUTS ALL OR ANY PART OF RECEIVED TEXT TO PRINTER OR CASSETTE.

4. SUPPORTS ANY SERIAL PRINTER.

5. BUFFER AUTOMATICALLY OPENED ON START CHARACTER (12 HEX).

6. BUFFER AUTOMATICALLY CLOSED ON STOP CHARACTER (14 HEX).

7. READ MULTIPLE DOWNLOAD FILES FROM TRANSMISSION.

8. WORD MODE ELIMINATES SPLIT WORDS.

TO ORDER YOUR ROM-PAK, SEND CHECK OR M.O. FOR *49.95 TO CONNECTI ON-80, BOB ROSEN,
93-15 86 DRIVE, WOODHAVEN, NY 1 1421. OR, YOU CAN CALL IN YOUR ORDER TO OUR BBS AT (212) 441-3755.

CONNECTION— 80
OF WOODHAVEN
BOB ROSEN
93-13 B6> DRIVE
WOODHAVEN, NY 11421

160 PRINT"««=" ; TAB (7)

; TAB (24) ■»«==■ : IF PR THEN PRINT*

-2, ■««==««===«■ ; TAB (37 )"■«««»= ■

iPRINT#-2,""

180 REM **PROCESSING AREA**
190 FOR I«l TO M
200 READ R*

210 IF R*«"END- THEN 320

220 READ TT*, ID*, AM

230 IF A*<> -Y- THEN 260

245 PRINTTT*«TAB(3)ID*«TAB(21 ) AM

ILN-LN+HIF PR THEN PRINT#-2,TT*

|TAB(5)ID»; :PRINT#-2,TAB(37) I : PR

INT#-2, USING- *###,###.##" | AM

247 AT-AM+AT

260 IF TT*OX* THEN 310

270 S-S+l

280 IF S=l THEN 300
290 TT*«" "

300 PRINTTT* ; TAB (3) ID* ; TAB ( 2 1 ) AM
ILN»LN+1:IF PR THEN PRINT#-2,ID*
« :PRINT#-2,TAB(32) ; :PRINT#-2,USI
NG"*###, ;am
305 AT=AM+AT

310 IF PR=0 AND LN=12 THEN PRINT
PRESS <ENTER> TO CONTINUE": I
NPUTZ*:LN=0:CLS: GOTO 140 ELSE GOT
0315

315 NEXT I

320 REM ***TERMINATION***

0€CX OUT OUR COLOR IIS AT (212) 441-3755

24 HOURS EVERY DAY

h«e 7

COMPUTERWARE

!f products for

TT.

1™

SOFTWARE

Color Invaders • Color Pac Attack • Monitor •
Adventure Games • Text Editors • Assemblers •
PASCAL • Magikube • Finance Programs • Color
Data Organizer • Graphic Games • Disassembler

HARDWARE

32 K RAM Expansion Board • 16 K RAM Set •
Cables • Interfaces • Power Pack ROM Cartridge

• Printers

ACCESSORIES

Books • Cassettes • Supplies • Service Manuals

Shipping from stock
Call or Write:

COMPUTERWARE

Dept. C • Box 668
6809 Specialists Encinitas, CA 92024 • (714) 436-3512

Computerware is a trademark of Computerware.

fane 8

»f twe tela

GATOR ZONE

Where else but up East in the
heart of Preppyland could there be a
game that lets you get back at all
the alligator people?

From 1MB (P.O. Box 289,
Williamstown, MA, 01267, $18.95)
comes GATOR ZONE, where you can do
battle against IZOD-looking

alligators before they eat up your
sh irts.

As always with 1MB, the graphics
are sensational. This one takes
place on a 3D-looking landscape with
mountains in the background. The
gators scuttle across a GATOR ZONE
looking for shirts to eat, and you
have to blast them before they do.

The shirts appear at random, and
you get a little advance warning with

a "shirt alert!" Then, its up to you
to get the gator before the gator
gets the shirt!

If this all sounds a little silly,
I suppose it is. But GATOR ZONE is
a blast to play. The only one around
here who doesn't like it is our
"veddy preppy" 13-year-old who -- as
those of the age will — cannot see
the humor in it all. If you're tired
of alligator shirts, penny loafers,
Mummy and Muffy, GATOR ZONE will do
you a world of good. And, if your
nickname happens to be. Muffy,
this game is different enough for you
to enjoy it.

Button down your col lar. .. grab
your Joystick. . .and head for the
GATOR ZONE. You'll be pleased.

C. C. Writer
[ Word Processing for the TRS-BOt Color Coaputir ]
Features Page Formatting, Block Roves, Tabs, Sentence De-
letion and Insertion, Global Search and Replace, Centering,
Indenting, Page Pause, ASCII Code Transmission, Justifi-
cation, Scrolling Revieu, Keyboard Stops, and File Chaining.
U-32K cassette-«35. 32K Disk -MO (Shipping late Feb.)

NEW! — > Check Rec Plus

Reconciles your Checkbook AND allows you to keep Hew
Entries of cash and credit card expenses uithout affecting
your Checkbook balance. The History Files may be Listed and
Totaled by Income or Expense Category for Budgeting or Tax
Preparation. On screen Trial Balancing and printed Trial
Balances, Audit Trails, and Summaries (REQUIRES PRINTER).
Current balance is displayed on the Screen Menu and Reports.
Save yourself frustration and perhaps some money too.

-> Prices until April 15th: <-
16K Version-125, 32K ejith extensive prompts-130
U-32K Disk System nith Prompts-135
All versions include System Binder, Cassettes or Disk nth
storage pockets, and documentation. (Shipping late Feb.)

For information or orders urite:

TrantTik BSC 2-3
194 Lockwood
Bl oomi ngdal e, IL 6010B
I TRS-80 is a Trademark of Tandy Corporation

TAX Frts Pi. 6

TAL DEDUCTIONS: " i :PRINT#-2,TAB(3
2)| IPRINT#-2,USING"»###, ###.##" I
DD

3500 IF R*="END" THEN 3530
3505 READ TT*,ID*,AM
3510 HH=HH+AM
3520 GOTO 3040

3530 PRINT-TOTAL INCOME: ■ ;TAB( 22
)HH:IF PR THEN PRINT #-2, "TOTAL
INCOME l " « IPRINT#-2,TAB(32) ; :PRIN
T#-2,USING"*###, ###.##" ;HH
3540 VV-HH-DD

3550 PRINTTAB(23 ) " "UF P

R THEN PRINT #-2,TAB<32> "

3560 PRINT "ADJ. GROSS INCOME" ;T
AB(22)W«IF PR THEN PRINT #-2, "A
DJ. GROSS INCOME" ; :PRINT#-2,TAB(
32) ; :PRINT#-2,USING"*###, ###.##"
IVV

3570 G0T0337

3600 PRINTHF PR THENPRINT #-2,"
■

3601 PRINT "ALL ENTRIES": IF PR T
HEN PRINT #-2,CHR*<31>" ALL ENT
RIES"CHRS(30) iPRINT#-2, " "

3602 PRINT-TYPE" »TAB < 7 ) " DESCRIPT
ION" » TAB (24) "AMOUNT" : IF PR THEN
PRINT#-2,"TYPE"TAB(5)"DESCRIPTI0
N "TAB (37) "AMOUNT "

3603 PRINT"===="TAB(7) "=========

=»"TAB(24 )"======" l IF PR THEN PR

I NT#-2 , " ==== " TAB ( 5 ) " ===========■

TAB (37 )"======" :PRINT#-2, " "

3604 GOTO 180

Mraure win...

COMPUTERWARE' S
32K UPGRADE

By Rick Smith

The 16K to 32K RAM Memory
expansion kit from COMPUTERWARE
(Dept. C, Box 66B, Encinitas, CA
92024, •84.95) claims to be unique
because It requires only a simple
snap-in* solder less installation and
it allows full graphics capability
throughout the 32K of memory. I
certainly do not dispute either of
these contentions, even though they
remain un proven to me — largely due
to the fault of Radio Shack, not
COMPUTERWARE. And, that in no way
diminishes my favorable impression of
this upgrade.

The kit, as delivered, contains a
logic board with eight 16K RAM chips
and one Quad NOR Gate, a 32K
diagnostics cassette, a set of clear,
well-written instructions and a
useless little tool called an Olfa
Touch Knife. Throw the knife away or
use it as a letter opener. Keep the
board — it is first rate and of high
quality both in materials and
appearance !

Before you do anything, you will
need a Phillips screwdriver, some
masking tape, an IC extractor and a
good utility knife. The IC extractor
is recommended. Then, after reading
the instructions, the installation
can be performed in an hour —
working at a leisurely pace (and I'm
no "hardware hacker").

Although no soldering is required,
you do have to cut a trace in order
to get the graphics capability
throughout the 32K. This should be
done with a good utility knife. Note
that is not necessary in order to get
the additional memory — and you
might wish to pass. When the
installation is complete, it all fits
neatly under the RP shield.

There are, however, some problems
that may be encountered, as they were
by this reviewer. The faults,
however, were Radio Shack's, not
COPMPUTERWARE'B.

Unless the chip sockets on the
CoCo's motherboard are properly
aligned and level — and the
motherboard is unwarped — the kit
simply will not snap in. On my 16K
Extenmded Color Basic with a serial
number in the low 13000' s, the socket
for the 40-pin SAM chip had a

pronounced list to port. My problem
was further complicated by my klutzy
removal with thumb and forefinger of
the 20-pin flip-flop. This bent some
of the pins. On straightening them,
one broke off.

All these difficulties were solved
with the generous assistance of a
technically competent^ friend (who,
incidentally, owns a Computer land
store). He removed the old 40-pin
socket and soldered in a new one,
this time flat on the motherboard.
The broken chip was replaced easily.

I then carefully cut the trace
itself and, voila!, the kit fit and
worked.

If you are one of the very few
unlucky who finds his Color Computer
motherboard too warped or its sockets
too tilted to enable installation of
the COMPUTERWARE kit and can't find
help to correct the problem,
COMPUTERWARE will accept return of
the kit and refund the purchase price
in full.

Now that the kit is installed and
my system is back up, I am trying to
figure out how to utilize its
expanded capabilities. The dreaded
OM ERROR seems to be a creature of
the past. The extra graphics memory
isn't accessable through the BASIC
commands P CLEAR and PMODE (e.g.,
PCLEAR 12, PMODE 3,11), but then it
isn't available at all on any other
conversion, as far as I know. As
these new capabilities are explored
and discovered, I will share them
with you.

In summation, COMPUTERWARE' s kit
is a good buy which most owners will
find easy to install. This reviewer
would like to state that, despite
innuendo from Tandy's "Microcomputer
News," the COMPUTERWARE 16+ kit IS
compatible with 1.0 version of
Extended Basic ROM.

DISABLE THE
B REAK KEY 7

Here's a "hardware" solution to
disabling the BREAK key on your CoCo.

Put a top from Neo-Synepherine
over the key. It fits real tight and
will keep fingers from hitting BREAK
accidental ly.

Be sure the inside of the top is
dry, so no liquid leaks down into the
keyboard — or who "nose" what
trouble you might have.

PMC II

I O RHYTHM fie
MINE 1= I ELD

Where was Rainbow Connection
Software when I really needed them?
Thinking up ingenious things, no
doubt.

One of the first programs I Just
had to have after I got my CoCo
was a Biorhythm plotter. Now* I
don't believe in them, but I think
they are really neat and love the
way the little markers curve around
the screen. Hunting and hunting, I
finally found one on the DEC-10 at
the University of Louisville. I
spent three days converting it ...
and S200. The reason for the latter
was simple, I needed 16K to run it.

Rainbow Connection's Biorhythm
program runs in 4K and displays the
charts in full detail on the screen.

There's a printer option but it isn't
necessary. And, it is* as complete a
Biorhytm program as I've seen. Also,
very easy to use.

As part of the same Twinpack tape
is a game called MINEFIELD. I like
it. In MINEFIELD, the computer
creates an unseen minefield and you
have to plot your ship through it.
You get a warning when a mine is
near. Frankly, its a lot of fun to
play and requires some logic and
patience. I DID win. Once.

Both of these programs are
available from Rainbow Connection,
3514 6th Place NW, Rochester, MN
55901 for «9.95. Both run in 4K!
And, frankly, they're an excellent
buy.

ML Rabbit

Protect your software investment with ML
Rabbit. Software for the Color Computer is too
expensive to have only the original tape. ML
Rabbit can make Backups of any Color
Computer program. No knowledge of the
program to be copied is required. ML Rabbit
does all the WORK.

Only $14.95

TUBE CUBE

The Multi-colored cube invades the Color
Computer. You can even substitute letters if
your color set is busy. Cube Save feature if you
can't solve it all.

Only $9.95

WORD CC7

Word Processing for the Color Computer.
W0RDCC7 coupled with your Color
Computer & printer turns your machine into a
typewriter. Modify and review letters before
any ink touches paper.

Only $19.95 (Ext. Basic)

MEMORY

16K RAM $25.00

16-32K Solderless Kit $49.95

4-32K Solderless Kit $74.95

Ml Res. add 4% sales tax. Always looking for Great Color Programs. TOP royalties PAID.

Dealer inquiries invited.
DSL Computer Products - P.O. Box 1113 - Dearborn, Ml 48121 • (313) 582-3406

rayr ji

V I DEOTI

TO DISC

POLYGON *SG/\ I N

By Jin & Michael Dudgeon

The following procedure Mill allow
you to eake a disc copy of the
VIDEOTEX program. It was developed
as a Joint effort of my 14-year-old
•on, Michael* and myself.

The major difficulty in this
procedure occurs because the cassette
VIDEOTEX is written to overrun and
destroy many of the low RAM locations

"Jump to program" vector.

Thus, the ties to BASIC and the
DOS are lost, which prevent the user
from transferring VIDEOTEX to disc.

This technique relies on the
CLOADM offset feature, which will
allow you to load VIDEOTEX into the
upper part of RAM. Because you do
this, you also replace the
instructions in VIDEOTEX which
redefine the reset pointer vector
with NOP's (No Operations in machine
language). Then, after saving
VIDEOTEX on disc, you will always
execute it at its high memory entry
point.

The steps below, for a 16K system,
preserve entry back into BASIC using
the reset key (for access such as
VIDPRINT from the October issue of
the RAINBOW) I

1. Load VIDEOTEX from cassette
using CLOADM "VIDEOTEX", 11000

2. Alter the shifted program with
the following POKES* POKE
13104, 1BIP0KE 13105, 1BIP0KE
13109, 1BIP0KE 13110,18

3. Save VIDEOTEX on disc using
SAVEM "VIDEOTEX", 12700, 14850,12728

Note that the SAVEM addresses are
decimal and not hexidecimal as stated
in our version of the DOS manual.

4. Execute the program using EXEC
12728.

If this procedure is followed,
pushing the reset key returns the
system to BASIC. VIDEOTEX can always
be reentered using EXEC 12728,
provided none of its addresses in
high memory have been disturbed.

A final comment is that for 32K
systems, more pages of VIDEOTEX are
possible if larger offset values are
used to shift the program to the top
of the 32K memory space.

we've sure received a lot of great
comments about R. Foulke's POLYGON
program from the December issue.
Some people, in fact, think a certain
computer manufacturing and marketing
corporation may have | adapted it for
their latest in-store demo of the
Color Computer's capabilities.

Ah, well. Oscar Millican sent in
the following program which modifies
POLYGON a little bit to allow
keyboard control.

The listing i
10 REM POLYGON

20 REM BY R. FOULKE - MODIFIED BY
OSCAR MILLICAN

21 CLS

22 INPUT "RND<N>",N

23 INPUT "TIMER" |Z
25 PMODE 4,HPCLSISCREEN 1,1
30 PI-3.14159iM-RND(N)
35 FOR T-0 TO 2«PI STEP PI/75
40 R-C0S(M*T)«95

45 Xl"C0S(T)«R+12B«Yl-SIN(T)«R+96
50 A-T+PI/3
53 R2-C0S<M«A)»95

55 X2-C0S ( A ) «R2+ 1 28 * Y2-S IN < A ) «R2+96
60 LINE(X1,Y1)-(X2,Y2),PSET
70 NEXT T

75 FOR T-0 TO Z l NEXT T
80 GOTO 25

P.O. MX J7Z
BALTIC*. K «*J0

on a ctapnios son*. can m \txt> to url kick pjb-
<urrioM crawics. permits high -res. caws nith tot
mtmkre o* tw scbtxn. ruu, amr.au ocwtkol , mm

CURSOR ONE CHARACTER PLUCK OR ONE TUO, KITH IMF EFT-

STRort. rwrwKL ipclwt rvu. ascii character sit,

(SIR DOT RATRII), BUr-CRHTS AND StPfVPSCRl ITS , ART)
VSn DEFINED CHARACTERS. PROGRAM IS CALM BIX AS A SUP-
KVTIW. CP STARS ALONE. PORKS PITH AIL TNO COLOR

auraic pxeb. la** cask charactue nitn dku«i*je.

text rprrop

I6K-CXTTNDP BA31C--1I».9S

Fuii nATwr. rrn editor pith uria cask and ism*

CASE CHARACTERS. PITH UP TO kt CHARACTERS IW LINE
OISFLAIFD ON TW BCSrm. A&nSTABLK TAR,. TEXT SEARCH
AND PETLAroCNT .BLOCI NOTE. JUSTIFICATION AMi PNO-
POPTIORAL SPACING WHEN USES PITH TNE LP-f |1.

fiovwNTATicp or PiLorTcp^HE^Ln'coniwrpr
peatures standard pilot instructions wttn additional
extensions pop the cc. includes tut editor and inter-
in CP* PACtACE. CCHS NITN DEMO rpOCRANS.

fiST GRAPHICS PACP.AGE— ( tV , V CNINB)-«V^
• RA CHINE UNCUACE PPOCMN THAT EXECUTES PITH TV ICE
THE SPEED OP EXTENDED RRSIC. INCLUDE LINE DRAVINC,
SCREW CLEAN, AND PIXEL SETT INC ROUTINES. CAR PX USED
■ITR RASIC OR MACHINE LANGUAGE. ENABLES THE « HAdllNE
TO HAVE A 128X6* GRAPHICS DISPLAY PITH OTCP 2X I
PON A BASIC PROGRAM.

SHIPPING INCLUDED IN ALL PRICES

TELEWRITER

Provides your COLOR COMPUTER with:

REAL LOWER CASE CHARACTERS ■ A POWERFUL TEXT FORMATTER
51 COLUMN x 24 LINE SCREEN DISPLAY ■ SPECIAL DRIVER FOR EPSON MX-80
ADVANCED CASSETTE HANDLING FEATURES ■ A SOPHISTICATED FULL SCREEN TEXT EDITOR
—and requires absolutely no hardware modifications

TELEWRITER

Telewriter is a powerful word
processor designed specifically for the
Color Computer. It can handle almost
any serious writing job and it is
extremely easy to use. It has all the
advanced features you need to create,
edit, store, format and print any kind
of text. With Telewriter you can
quickly produce perfect, finished
copy for letters, reports, term papers,
articles, technical documentation,
stories, novels, screenplays,
newsletters. It is also a flexible and
efficient way to take notes or organize
ideas and plans.

51 x 24 DISPLAY

The Color Computer is an incredibly
powerful and versatile computer, but
for text editing it has some major
drawbacks. The small 32 character by
16 line screen format shows you too
little of the text and. combined with its
lack of lower case letters, bears little
resemblance to the way text really
looks on the page. Reverse video in
place of lower case just adds
confusion.

Telewriter eliminates these
shortcomings with no hardware
modifications required. By using
software alone. Telewriter creates a
new character set that has real lower
case letters, and puts 24 lines of 51
characters on the screen. That's more
on-screen characters than Apple II,
Atari orTRS-80 Model III. That's
more than double the Color
Computer's standard display.

FULL SCREEN EDITOR

The Telewriter editor is designed for
maximum ease of use. The commands
are single key (or single key plus
control key), fast, and easy to
remember. There is no need to switch
between insert modes and delete
modes and cursor movement modes.

Appk II ■ rrpucrtd itxkauii of Appk Cuaapvlrr. tot . AJ»n

You simply type. What you type is
inserted into the text at the cursor, on
the screen. What you see on the
screen is always the current state of
your text. You can move quickly
through the text with one key cursor
movement in all 4 directions, or press
the shift kev simultaneously for fast,
auto-rcpcal. You can jump to the top
or bottom of the text, the beginning or
end of a line, move forward or
backward a page at a time, or scroll
quickly up or down. When you type
past the end of a line, the wordwrap
feature moves you cleanly to the next.

You can copy, move or delete any si/c
block of text, search repeatedly for
any pattern of characters, then
instantly delete it or replace it with
another. Telewriter gives you a tab
key. tells you how much space you
have left in memory, and warns you
when the buffer is full.

FORMAT FEATURES

When it comes time to print out the
finished manuscript. Telewriter lets
you specify: left, right, top. and
bottom margins: line spacing and lines
per page. These parameters can be set
before printing or they can be
dynamically modified during printing
with simple format codes in the text.

Telewriter will automatically number
pages (if you want) and automatically
center lines. It can chain print any
number of text files from cassette
without user intervention. You can
tell it to start a new page anywhere in
the text, pause at the bottom of the
page, and set the Baud rate to any
value (so you can run your printer at
lop speed).

You can print all or any part of the
text buffer, abort the printing at any
point, and there is a "Typewriter"
feature which allows you to type
straight to your printer. Because

rCfiacmlli^Jmufk at Alan. Inc.. IKS HO * .rf.ttmlif-JMifl.4

Telewriter lets you output numeric
control codes directly (either from the
menu or during printing), it works
with any printer. There's even a
special driver for the Epson MX-HO
that lets you simply select any of its 12
fonts and do underlining with a single
underline character.

CASSETTE HANDLER

Telewriter makes cassette as simple to
use as possible. It will search in the
forward direction til it finds the first
valid file, so there's no need to keep
retyping a load command when you
are lost in your tape. You can save all
or any pari of the text buffer, and you
can append pre-existing files to what
you have in the buffer already. You
can abort an append or filesearch
without harming the program or the
text in the buffer.

Telewriter will maintain compatibility
with popular Color Computer disk
systems, but. since it makes using
cassette almost painless, you can still
have a powerful word processor
without the major additional cost of a
disk.

AVAILABLE NOW

Telewriter turns your Color Computer
into the lowest cost hi-power word
processor in the world today. It runs
in I6K or?2K (32K recommended)
and is so simple you can be writing
with it almost immediately. It comes
with complete documentation and is
fully supported by Cognitec.
Telewriter costs $49.95 (California
residents add 6Cf tax). To order or
request more information write:

Cognitec

704 Nob Ave.

Del Mar. Ca. 92014
Or call (714) 755-1258 (weekdays,
Saturdays, and early morning). We
will gladly answer your questions.

NaJ>l'«p MXW.rtgmcrcJ K*»«""tk of bpsu. AO-net. tot

KffELCfCC

The Pipeline takes a slightly
different form this issue because of
a slightly unique situation. For
those of you who read or have heard
about a publication called
Bo-Microcomputing* the news in the
publisher's column this month may
have been a bit shocking.

Wayne Green, the publisher of
B0-Micro, led off his monthly
dissertation in January with a
prediction* quoting only "dealers,"
that the Color Computer will soon be
phased out by Tandy.

Green added he had not called
anyone in Ft. Worth to ask about this
rumor, simply because he believed he
would Just get a denial* anyway. We
might suggest that even though a
Journalist may believe he knows the
answer to a question, its his duty to
ask it of the most reliable source
anyway.

The RAINBOW did call Ft. Worth and
spoke with Jon Shirley, vice
president of computer merchandising.
Shirley had not seen the story yet,
but termed the report "absolutely
ridiculous! "

"Wayne is wrong," Shirley said.

Shirley also confirmed for the
RAINBOW what we had heard
unofficially, the CoCo was the
"hottest item for Radio Shack all
through the Christmas season." Color
Computers, Shirley added, "sold to
the bare walls. We didn't even have
any left in the warehouse."

It is not the RAINBOW'S intention
to go to war with Wayne Green, but we
do feel a few notes might place this
"news" item in perspective.

SB-Microcomputing has tried very
hard to win a share of the CoCo

market, with little success. Green
has asked, editorially, for several
months for CoCo submissions. He
admits they have not been
forthcoming. He also says few
programs have been received by his
in-house software marketing firm.

We believe there is a good reason
for this — and the reason is not
that CoCo owners are treating this
computer as a "toy," as Green
implies. Rather, a substantial
support market has grown up for CoCo
through sources other than Green's.
The RAINBOW is but an example. And
this month, we have more advertising
for Color Computer products than does
60 -Micro.

One of the reasons for this is
simply — as our advertising says —
we carry more programs and
information on CoCo than all the
"big" computer magazines combined.

One of the reasons the
RAINBOW was established in the first
place was that we were tired of
wading through all the Model I, II
and III, Apple, Atari and so forth
programs in every magazine under the
sun, hoping someone would toss us a
program for "our" computer now and
then. We feel we — and our
advertisers — are meeting your
needs. We're not going to kiss off
CoCo, and we don't believe Tandy
will, either. From a pure profit
standpoint, that would be a pretty
silly thing to do.

Back to what The PIPELINE is
for. . .

The special investment analysis
program from Radio Shack is expected
to be available by mid-March. And

(Continued on P*e 22 1

CHEAP THRILLS!

2 Fast-action machine language arcade
games. 4K minimum system. Joysticks
requi red, sold on cassette.

<B RICK A WAY $7.00\
GAUNTLET $10.00 7
both only $14.00/

Br itt Monk, CDP-P.0.B. 802-Elyria, OH-44036

••••• SOFTWARE FOB CHILDREN •••••

Circus Adventure -many graphics,
non-frust rat ing , only 10 min,16-k
Music Marvel -learn to play 2 songs
no reading, hi-res. graph, 16-k ext.
Poetry and Silly Sentences - a two
program pak of fun reading a ids, 4k

EACH JUST $10.00

send to 8.Blyn 227 Hampton Green
Stat en Island, Hew York , 10512

p*» 1*

CHART YOUR FLOW - . . AND WATCH

:m go

By Joe E. Bennett

The symbols shown on this page* numbered one to ten* may seem like
nothing more than a mass a geometric shapes. But* when y£u put them in a
group* these symbols may help make you a better programmer.

With proper use* you can plot the course of a program from start to
finish — and all of the sidesteps and subroutines you may take in between.

Flowcharting may not be the ultimate solution to your programming needs*
but it may be one very positive solution to the debugging blues.

To many neophyte programmers and a of
few hard-core hackers* flowcharting needed

is a tool of mainframe computer users
and of not much use to us CoCo
people. Why waste time putting your
program on paper with all those silly
symbols when you could be adding that
great new algorhythm to your latest
version of Star Trek*
it at the same time?

and debugging

To answer this question* we must
take a trip back in time (complete
with Rod Serling narrative) to those
mysterious days of yore before there
were microcomputers. In those days*
when computer time was measured in
terms of hundreds of dollars an hour*
a programmer had to have his work
ready to run the first time it was
entered into the computer. More than
90 percent of a programmer's time was
spent debugging a program before
it ever ran on a computer. Logic
flow errors are the hardest to
detect* and could cause anything from
a minor program slowdown to a full
system crash.

To help detect the logic flow
errors* a system was devised to allow
a program to run off-line. This
system was* as you've probably
guessed by this time* called
flowcharting.

course*
in all
writing short
branches* don't

flowcharting isn't
programs. If you're
programs with few
do it. But, if your

programs are medium-length or longer,
and you do a lot of branching to
subroutines* then a flowchart may be
Just what you need to aid the tedious
chore of debugging and determining
logic flow. Trying to keep up with
all the variables* gosubs and gotos
can be difficult at best.

Some of the advantages to
flowcharting are:

— Standard symbols are readily
understood and recognized.

— Flowcharts can be read by
someone without programming

experience.

-- Flowcharts can be divided into
smaller sections. The chart can then
be examined for overall progress.

— Flowcharts can be an invaluable
aid in tracking program errors.

— Many aids exist in
flowcharting* such as templates and
drawing packages.

Of course* there are disadvantages
as well. Among them are:

— Flowcharts are difficult to
design and draw.

— It is not easy to debug a
flowchart.

— Flowcharts tend to become
cluttered.

(Continued on P«e 15 )

They only show program
organization.

Flowcharts allow for
unstructured programming techniques.

With all of these disadvantages to
consider i why take the time to
flowchart?

The answer lies in program logic.
If you can think in terms of computer
logic* then this may help your
program run smoother • more
efficiently and, perhaps* faster.

Let's take an everyday situation
and flowchart it. Turning on a light
is* in itself* a very simple task
requiring little personal energy and
less thought. It can be flowcharted
this ways

rot*

OFF

As you can see from the
illustration* we can flowchart many
decision programs* as well as many
aspects of logic flow* to produce the
main sub-logic flow of any program.

tow 15

Each flowchart symbol has a
distinct function and meaning. There
are others* but space will not allow
for explaination of all the
variations. The ones we're dealing
with here should be adequate for most
needs and enough to get you started
on your own flowcharts.

One way to became familiar with
these symbols and with flowcharting
in general is to make a flowchart of
an everyday suitation — like our
light turning-on example. Some
suggestions would be cooking a
specific meal* calling a friend,
driving to work or getting ready for
bed. These may be simple examples,
but they should help you become
familiar with techniques.

The meanings of the symbols used
in this article are:

Shows the
a program or

1. PROCESS/ANNOTATION - Describes
the process* instructions and/or

d#t 2." START /END -
beginning or end of
logic flow.

3. DISPLAY - Display of the
television or CRT.

4. PREPARATION - Initialization
or preparation of data.

5. CONNECTOR - Connects sections
of the flowchart to other pages or
other sections of the chart.

6. ARROW - Indicates the
direction the program moves.

7. DECISION - Indicates yes/no or
if /then questions. A line will trace
the next step on the logic design.

6. AUXILIARY OPERATION - For
subroutines.

9. MANUAL OPERATION - Can be used
to indicate instructions to the user*
manual input/output* and so forth.

10. CONNUNICATIONS LINK - Usually
a modem connection.

This should give you some insight
to what is involved in flowcharting.
Hopefully* it will be a valuable aid
to you in program design. With some
practice* you should be able to use a
flowchart with a minimum of
concentration on the techniques of
the process itself.

ACTION GAMES

The fastest growing producer of computer gardes for
your 6809 has the products you have waited fori!

. arcade games for

t^w^ * the color computer

* ^ Fast paced action • Super Hi-Res Graphics

Dynamite sound effects • Runs in 16K of memory

These games will astonish you with their Detail and Quality.
They set a standard for others to follow.

— ADVENTURES —

Calixto Island •alic (Black Sanctum

Highly acclaimed by reviewers • Challenging situations
Fast, efficient machine language • Runs in 16K of memory

Save game in progress

Adventures on 5% TSC FLEX disc (specify 6800 or 6809) ea. $24.95

Both adventures on single disc $39.95

Adventures for color computer ea. $19.95

Color Berserk for color computer ea. $24.95

Cave Hunter for color computer ea. $24.95

Shipped prepaid in continental U.S. California residents, please add 6% tax.

VISA*

- MORE COMING SOON -

MARK DATA PRODUCTS

S F - v 23802 Barquilla, Mission Viejo, CA 92691 • (714) 768-1551 '?M?M&

4S2r 48ilir 42Sir <2Slr «Siiir 17

INUKDER*

Snail Invaders is a RAINBOW exclusive, brought to you through the good
offices of Illustrated Memory Banks (1MB).

SNAIL INVADERS is a Joint effort of Fred B. Scerbo, vice President and
software author for 1MB, and Dale Haggerty, a.k.a. "Snail," a 16-year-old
student at Drury High School in North Adams, MA.

Scerbo writes that "Dale served as the inspiration for "SNAIL INVADERS"
and helped out by designing the title card and snail graphics for the
game." The body of the program and working mechanisms were designed by
Scerbo.

"Dale is very talented in art," Scerbo adds. "Using the Color Computer
for graphics is a new tool for him, and he has proudly displayed this game
to many high school friends who want the chance to play SNAIL INVADERS. "

Scerbo also notes you should not try to run the program until you have
entered all the lines. Because it uses a speedup routine, you could hang
up the computer and have to switch it off to regain control. If that
happens, you'll lose everything you've typed.

To save, type POKE 65494, 0f CSAVE "SNAIL" <ENTER>

No part of this game may be reproduced or adapted for use in other
games or programs. If you wish to use the 1MB screen scoring routine, you
must contact 1MB. Fred promises us an article on the routine for a future
issue.

As with all software printed in the RAINBOW, SNAIL INVADERS is provided
for your personal use only. You are authorized to make two (2) tape copies
for your own use. For information on additional copies or reproduction
arrangements, contact 1MB at P.O. Box 289, Wi 1 1 i am » town, MA, 01267.

The directions: You can move your cannon by pressing the left and right
arrow keys. Fire by using the space bar. A sneaky snail will shoot back
at you at random. You only have three cannons. When the snails reach the
end of the screen, they will reset. To replay the game, press BREAK and
RUN.

And remember. . .snai Is are slow, but sneaky.

let's go. - - <S2ir «Sr iffiar 4®* escargot ! •

I POKE65495,0:CLEAR500:CLS0

3 SR«3iC«3iP$=CHR*(128)iF0RI-2T0
14tF0RJ>4T013iSET(J,I,C)iNEXTJiN
EXTI

5 FORK-0TO11STEP1HFORJ«18TO23IS
ET<J+K,2,C) INEXTJIF0RJ-17T024ISE
T( J+K,3,C)iNEXTJiF0RI«4T014iF0RJ
•1 6T025 l SET ( J+K , I , C ) i NEXT J i NEXT I
INEXTK

7 FORK-0TO7STEP7 I FOR J-39T05B I FOR
I«2T07iSET( J, I-t-K, C> INEXTI INEXTJI
F0RI-3T06iSET(59, I+K, C> INEXTI iFO
RI«4TO5iSET(60, I+K, C) i NEXT I iNEXT
K

9 PRINT8257,P«; IF0RY«1T028IREADA
I PRINTCHRt ( A) I iNEXT

II DATA105, 108, 108, 117, 115, 116, 1
14,97, 116, 101, 100, 128, 128, 128, 10
9, 101, 109, 111, 114,121, 128, 128, 12
8,98,97, 110, 107, 115

13 PRINT3329,P$| i FOR Y«lT012i READ
A»PRINTCHRS< A) \ INEXT

15 DATA98, lilt 110, 117, 115, 128, 12

8, 128, 103, 97, 109, 101

17 PRINTa399,CHR»(98)+CHR$(121M

19 PRINTa448,P»| :F0RY«1T031 l READ

AtPRINTCHR»(A> I INEXT

21 DA TA102, 114, 101, 100, 128, 115,9

9, 101, 114,98, 111, 128, 128,97, 110,

100, 128, 128, 100,97, 108, 101, 128, 1

04,97, 103, 103, 101, 114, 116, 121

23 FORI-1TO2000INEXTI6OTO43

25 PM0DE3, 1 « PCLSt SCREENS, 0 1 DRAW"

S24BM20, 721 C4E4L3E4R363R365NL3BR

2E5R2F2E2R265L2H262L2BR10E5R3D5L

2UBUL2ERDBDL36L2BR 1 0U5 R3D5L3BR5U

5R2D3RF2L5"

27 DRAW" S16BMB, 110| C3U2R2U4L2U2R
6D2L2D4R2D2L6BR7UBR2F3U3R2D8L2H3
D3L2BR8BU2U6R2DSFEU5R2D6G2L2NH2B
R5U8R2F8L3H3BUH2D2R2BDL2D3NL2BR9
U3H5R9F2D4G2L4BE2U4RFD2GLBD2BR5U
8R5D2L3DR2D2L2DR3D2L5BR6U8R4F2D6
2F3L2H3BUU2RFGLBDD3L2BRB "

(Continued on Pig* 27 )

Aids 13

INERATING A
R R CHARACTI

By John L. Urban

Here, as I promised in the
January issue of the RAINBOW, is the
Character Generator program.

10 'CHARACTER GENERATOR PROGRAM

20 • PROTOTYPE 1.0

30 '(c) JARB SOFTWARE

40 ST$«""

100 CLS: INPUT "WHAT IS THY NAME"
(NAME*

450 CLS:PRINTTAB(4M CHARACTER

GENERATOR «": PRINT
500 GOSUB30000:ST=X
510 IF ST=18 THEN GOSUB30010:GOT
0520

515 PRINTUSING" STRENGTH = *#"
|ST:ST»=STR«(ST) :IF LEN(ST«)<3 T
HEN ST«=" "♦ST*
—520 GOSUB30000:IN=X:IF IN<3 THEN
520

525 PRINTUSING" I NTELL I GENCE= ##"
(IN

530 GOSUB30000:WI«XtIF WK3 THEN
530

535 PRINTUSING'WISDOM = ##"

IWI

540 GOSUB30000:DE-X:IF DE<3 THEN
540

545 PRINTUSING" DEXTERITY = ##"
IDE

550 GOSUB30000:CO=X:IF C0<3 THEN

550 I
555 PRINTUSING"CONSTITUTION= ##"
t CO

560 GOSUB30000tCH=XtIF CH<3 THEN
560

565 PRINTUSING" CHARISMA = ##"
ICH

568 PRINT :PRINTNAME$; " , "
570 PRINT-ART THOU SATISFIED WIT
H THIS CHARACTER?" rLINEINP

UT "<<Y>ES, <N>0, <E>ND)?";A*
575 IF A«<>"Y" THEN 450
580 PRINT: INPUT" WOULDST
E A PRINTOUT OF THIS
R" (A*

585 IF A«<>"Y" THEN 605

590 PRINT#-2, "CHARACTER FOR "NAM

E«;-l " «CHR*( 10)

595 PRINT#-2, "STRENGTH ="ST»:
PRINT#-2, USING" INTELLIGENCE= ##*
« IN:PRINT#-2,USING"WISD0M
##" |WI:PRINT#-2,USING"DEXTERITY
« ##" <DE

(Continued on Page 19 )

THOU LIK
CHARACTE

COLOR COMPUTER DISK SYSTEM

A complete disk drive system tor the color computer, featuring the Tall Grass Technology
Double density, buffered disk controller. This system will support up to 4 51/4 in. disk
drives with a maximum capacity of 3.2 Mega bytes of storage using double sided 80 track
drives. This is a minimum of 4 times the capacity of the "Standard" color computer disk
drive system.

DISK OPERATING SYSTEM (CCMD + 9)

This is a full featured "Basic" compatible disk operating system which does "NOT" require extended Basic and will even run on a 4K
color computer. It includes a complete dynamic allocation system that leaves no wasted or unused space on the disk. It will
automatically repack disk space when files are deleted to reduce file fragmentation and increase access time.

This system features three operating systems in one, the first is a free standing system which has 11 commands for loading, saving,
removing, changing, checking, analyzing and executing files on disk. It can be configured to allow any mixed combinations of 35, 40
and 80 track drives.

The second system is a completely supported external access system for interfacing with virtually any program requiring the use of
the disk system. It includes 10 functions tor opening, closing, reading, writing sequencial and random access files. There are also 13
subroutine functions and 7 I/O subroutines accessable to the programmer.

The third system is a Basic interface system which includes 6 direct execute Basic commands and 6 indirect commands which
conform to the standard Basic tape ft printer I/O commands and allow use of string and numeric variables for disk parameters. Up to 9
tiles can be active at once, all disk tile memory allocation is done automatically at run time. Also, Basic has access to all the free
standing DOS commands either directly or under program control.

■PRICES:

Controller w/CCMO + 9 Eprom S1 59.95

Disk Controller only S99.00

CCMD + 9 Dos on 2732 Eprom S69.00

CCASM9 disk assembler $34.95

CCE0T9 disk text editor $24.95

CCDISS disk disassembler $29.95

CCUTLY disk utilities $19.95

CDTPRO Text processor $39.95

Games from Spectral Associates

CGAME1 HI-RES Graphic Game
includes

Space Invaders
Meteroids

Space Wars $49.95

CGAME2 mixed game disk
includes

Battle Fleet
Space Traders
Adventure

$39.95

SS66 RICOCHET AVE.
Us Vtgn. Nv. 89110

CER-COMP (702)452-0632

All Orders Shipped From Stock
Add Si. 00 Postage - MC/VISA Add 3%

GAME AIDS FrtB P|. 18

600 PRINTi-2, USING" CONSTITUTION-
I CO t PR I NT4I-2, USING "CHARISMA
• «t"|CH
603 INPUT "ANOTHER CHARACTER" I At
l IF AsO"Y" THEN CLStEND
610 RUN
1000 END

30000 X-RND( IB) t RETURN

30010 Y-INT(RND(0)»101 )

30015 6T»«STRs(ST)*"/"+STR*<Y)

loua'wa oo r mtctkmctu <m • t ct« ■ oc

Now* here's a breakdown
lines in the program above «

of the

40 Clears ST*

100 Asks for person (or
character) name

450 Clears screen* print heading

500-515 Strength generator. If
strength equals 18* then we GOTO
30010 to get a percentile.

330-565 Repeat process (except
for percentile routine if X»18).
Variables are IN=intel 1 igence,

WI*uisdom, DE«dexter i ty ,

CO«constitution, CH*charisma.

568-575 Ask player if the
character is OK. If not, do the
routine again.

580-585 Asks if you would like a
printout. If not* then GOTO 605 for
another character.

590-600 Printout character on the
printer.

605 Asks if you want to create
another character. If not, then END.
If yes, then run the program again.

1000 Catch-all. If we missed any
chance of the program going past 610,
then we must prevent an error from
happening.

30000 Random routine to choose the
char* cter i st i cs.

30010-30020 If ST-1B then make
ST»«ST* " / " ♦per cen t i 1 e

EXAMPLE RUN No. 1

CHARACTER FOR JOHN

Strength -16
Intelligence* 8
Wisdom -16
Dexterity ■ 6
Const i tut ion» 18
Charisma ■ 6

EXAMPLE RUN No. 2

CHARACTER FOR JOHN
Strength -18/ 83

Intel ligence-16 Page 19

Wisdom - 8

Dexterity - 7
Const itution-16
Charisma - 4

Above are two examples of a run of
the program. j

I always think of an average (or
median) for these characteristics as
being 9-12. Anything above or below
this median starts to add or detract
from your rolls in combat and other
situations.

Example ftl shows a fairly average
character, except for charisma and
wisdom. The charisma being 6, our
hero is Just a little bit less than
handsome (or beautiful if the
character is female). Charisma is
not always how beautiful or handsome
the character is. It is mainly used
in determining how your character
might influence others. So, I would
not use this character in a
popularity contest.

But the wisdom is a 16, which
means the character will normally be
able to detect any suspicious
activity when his or her curiosity is
aroused. However, with his

intelligence being only an 8, he
would probably overlook the more
subtle clues.

(Continued an Page 21 )

811 ly Syn^aiM

By Sugar Software

A hilarious end outrageous story |ut for ont to
ton players. This (tot fill Ikon mo of your
favorite to play and sho« off. Create your m
otorin «ith thi suilt-in screen editor or order
etory tapes froe tho selection beloa. lilly lyntu
futures lecludi creating, eodifying. printing,
saving end loading of otorin. Included is tho
lilly lyntai gano, too stories and tho oser fuido.

•If.fS - Reauiros Eitendod tooic.

lilly lyntai stories • Ton stories per cassotts.

18-001 -> Fairy Tales IS -004 -) Current Events
IS-002 -) lino Along tl-OOS -) tothic ftooanco
K-003 -) I-ratod B-004 -> Mventuro/ki-f i

W. n • 101 off for 3 v eoro otory cassettes.

Ml products art available sea.

Ohio rtsidtnts add 5.51 sales tei.

Add 11.00 per cassatta for postagi and handling.

Sugar Software
2153 Leah Lane

dsburgp Oh 43066
(614) B61-OS6S

Pa9e 2t GAME AIDS Fn» Pa. 19

As you can see* in creating a
character — and in determining his
or her personality — you must look
at the characteristics as a whole. I
would say that example #1 is a pretty
ordinary person.

Character «2, on the other hand,
is not so average.

Personally* I prefer a character
who isn't a superman in strength.
This character could be compared to
Conan in strength. He is very close
to being supei — human. A rating of
IB/100 would be interpreted as 19,
which is to say, super-human. So, he
will look something like Lou
Ferrigno. His intelligence, being
16, will also make him extra-smart.
This will come in handy, should the
situation warrant brains over brawn.
His wisdom, being what it is, is more
than a slight disadvantage, although
he would not be totally oblivious to
all clues in search for adventure.

Unfortunately, his dexterity would
make him prone to fall over his feet
in combat. But not too many people
will laugh at him. Luckily, he has a
constitution of 16, which means he

will be extraordinarily brave.

All in all, he will be very close
to being super-human, if a bit
clumsy.

You, as a referee, have the final
say in who does what to their
character. I would not recommend
that the group youl referee be all
Conan-types. Neither should they all
be supei — scholars, or whatever.

By no means is this character
generator program complete. As a
variation, you could create a routine
to ask for input of information if
the player prefers to bring in an
already-created character. Or, you
could create files on cassette or
disc to update the characters as the
game is played, as a reference to you
and for the other players.

This will be the subject of my
next article in the series. Please
feel free to make any adjustments to
the program to suit your needs — and
share them with me if you would like.
You can write in care of the
RAINBOW.

Till then, may you be rich in your
ventures.

ADVENTURES! 1 1
For TRS-BO and COLOR-SO. These Ad
ventures are written in BASIC, are full fea-
tured, fait action, full plotted adventures
that take 30-50 hours to play. (Adventures
are interactive fantasies. It's like reading a
book except that you are the main char-
acter as you give the computer commands
like "Look in the Coffin" and "Light the
torch.")

Adventures require 16K. They Mil for
$14.95 each.

ESCAPE FROM MARS (by Rodger Oletn)
This ADVENTURE takes place on the
RED PLANET. You'll have to explore a
Martian city and deal with possibly hostile
aliens to survive this one. A good first
adventure.

PYRAMID (by Rodger Olsen)
This is our most challenging ADVEN-
TURE. It is a treasure hunt in a pyramid
full of problems. Exciting and tough I
TREK ADVENTURE (by Bob Retellel
This one takes place aboard a familiar
t tarship. The crew has left for good reasons •
but they forgot to take you, and now you
are in deep trouble.

DEATH SHIP (by Rodger Olsen)
Our first and original ADVENTURE,
this one takes place aboard a cruise ship •
but it ain't the Love Boat.
VAMPIRE CASTLE (by Mike Batsman)
This is a contest between you and old
Dree - and it's getting a little dark outside.
Si 4 .95 each

QUEST

QUEST - A NEW IDEA IN ADVEN-
TURE GAM ESI Different from all the
others. Quest is played on a computer
generated map of Alesia. Your job is to
gather men and supplies by combat, bargain-
ing, exploration of ruins and templet and
outright banditry. When your force is strong
enough, you attack the Citadel of Moorlock
in a life or deeth battle to the finish. Play-
able in 2 to 5 hours, this one is different
every time.

16K COLOR-BOOR TRS-BO ONLY. $1435

ARCADE AND THINKING GAMES
16 K andtxtindtd or hvl II BASIC

TIME TREK. REAL TIME REAL
GRAPHICS TREK. See the torpedoes fly
and Klingons explode. No more seoll-
ing displayt, no more tum taking. - Thit
one hat real time and reel displayt. In
BASIC - .for 16K level II or extended color
BASIC. $14.95.

STARFIGHTER - This one man apace
war game pits you against apacecruitert,
battlewagont, and one man fighters. You
have the view from your cockpit window, a
working instrument panel, and your wits.
Another real time goody. $9.95.

BATTLEFLEET — This grown-up ver-
sion of Bettleship is the toughest thinking
game available on 80 computers. There it
no luck involved as you seek out the 80't
hidden fleet. Thit is a topographical toughie.
$9.95.

8LASHBALL - A two player game of
strategy and skill, this is like nothing you
have ever teen before. This takes fast
fingert, quick wits and concentration. Play-
able from agt 6 to 65, it it a good family
game. $9.95.

MINOS • BK - Features amazing 3D
graphics. You tee a maze from the top. the
screen blankt, and when it clears, you are in
the maze at ground level finding your way
through on foot. Realittic enough to cau»
clauttrophobia. $12.95. ICOLOR-80ONLY)

TRS-80

Please specify system on all orders flajaw.
This ii only ■ partial listing of what we have to offer. Send for free catalog to: (a^E

AARDVARK-80 ^T'

2352 S. Commerce. Walled Lake, Ml 48088
(313) 669-3110

COLOR-80

rage a

tof tart fcviw

SILLY SYNTAX

Just when you think you've seen
about everything anyone can do with
the CoCot along comes something
totally unique which is really a Joy
to load in. Such a program is SILLY
SYNTAX (from Sugar Software, 2153
Leah Lane* Reynoldsburg* OH 43068*
for •19.93).

My hat's off to Gary Davis* the
author and his wife* Susan* who had a
lot of input into the idea for SILLY
SYNTAX. The program is based on the
ever-popular party game where people
take turns supplying some name* part
of speech or whatever and end up with
oddball sentences and stories
guaranteed to produce a bunch of
laughs.

For the youngsters — and there
are several "story tapes" available
including fairy tales — this can be
a real educational process as well.
When the program asks for a noun*
that's a pretty easy way of getting a
kid interested in knowing a noun is a
"person* place or thing."

One person can play* or a whole
group. The computer asks for certain
words to fill in blanks* and then
writes out a whole story using those
words. The results are* in a word*
fun.

I found the program* for 16K
Extended Basic* easy to use. There
is a very complete instruction book*
and two stories included with the
basic program. Other tapes are the
aforementioned fairy tales*

advernture* science fiction* gothic

HOW RRETTY I T IS
TO PRINT PRETTY

One of the things most of the
preliminary books on BASIC tell us is
that "prettypr inting" can help debug
programs. But* alas* the Color
Computer doesn't seem to want to
prettyprint.

Prettypr inting is* basically* Just
using indentations to make things
look like they go together. The best
example is in a FOR/NEXT loop* where
all the material which stays inside
the loop is indented a number of
spaces so that its easy to spot the
material that is enclosed in the
loop.

There is a whole range of other
"rules" for prettypr inting* but most
of them make use of spaces. And* if
you have ever tried to tab over after
the line number with CoCo* you know
that* on listing the program again*
CoCo Just takes up the spaces and
puts your first BASIC word or
variable after the line number.

But you can prettyprint. The
way to do it is simply to make the
first character after the line number
a colon (i). Once that's there* you
can prettyprint to your heart's
content.

romance* current events* sing-along
and X-rated. Output is to the screen
or a printer. I can't wait to see
more of the tapes (99.93 each* 10
percent discount for an order of
three or more).

I really like this fine effort in
creative programming!

COLORTERM (c)

Ihe UK Color Conputer* as an in
uith SI or fc«J colunns by 21 line

• 300 or 110 Baud

• user programmable keys

• automatic repeat when
key is held down

• dump your files to host

• reverse video

• partial screen clear

• 4-way cursor control

Cassette end Manual 934.95 rnti 540.95

Martin Consulting, 94 Macalester Bay, Winnipeg,

1U OF TWO CO*.

• any data format (commercial
systems, TSO. bulletins etc.)

• memory buffer for incoming
data— save buffer— scroll
through buffer

• preserve a "window" of

any size; new material scrolls
through remainder of screen.

telliqenf ferninal
s and loner case!

• encode data for more secure
storage

• macro buffers for often-used
output

• patch the 51 or 64 column
display to your own programs
running above 9168 (23 DO hex)

m*m otvpa. Mmt

Manitoba, R3T 2X5 Canada

Page 22

LOU MEMORY Fn» Pg. 1

low-resolution or text screen
information — which is absolutely
necessary unless your program uses
onlw the high-res pages in higher
memory.

Most of the bottom 429 bytes from
address 0 to 428 are used as
pointers* buffers* interrupt vectors
and other necessary functions and are
not to be tampered with. This area
is of extreme importance* however*
for advanced programming techniques
although it is not useful as
additional storage.

At RAINBOW CONNECTION SOFTWARE* we
have found this situation leaves us
with RAM addresses 420 to 1023 and*
yes, these may all be "pilfered"
from the Color Computer for your use
under most circumstances.

That's 595 bytes of additional
emergency memory that you never knew
you had!

Through experimentation* we have
found that only addresses 729 to 753
and 981 to 996 are used often and may
impair some operations such as
program editing and subsequent
loading of programs or data. It is
recommended that you always turn off
CoCo* wait 15 seconds* and turn it on
again (cold start) after using any
program that "pilfers" in lower
memory .

Just how can this additional

memory be used?

Well* unfortunately* it cannot be
turned into additional BASIC program
storage* but it can be accessed to
replace variables* arrays* tables or
an entire "hidden screen" of memory
by POKEing in any value from 0 to 255
in each byte to be used and later
PEEKing those values back out.
Usually* after getting the value from
low. memory storage* each is converted
to an ASCII character (letter* number
or low-res graphics block) using the
CHRS function. An even better use of
this memory is to POKE in a machine
language subroutine to be executed
from either the BASIC program or from
the command mode outside the program.
This subroutine will then remain in
low memory until the machine is
turned off.

In the original version of RAINBOW
CONNECTION SOFTWARE'S Minefield game*
we successfully "pilfered" an entire

"hidden screen" of memory (512 bytes)
to store our minefield map. During
the run of the game* the map was
frequently called to the screen
display by PEEKing each byte of the
hidden map (stored at 429 to 940) and
POKEing it into low-res screen memory
(1024 through 1535) | — minus the
mines* of course. This technique
made it possible for us to fit this
memory-consuming game easily into 4K.

PIPELINE Fro Pg. 13

the RS editor-assembler is scheduled
for the end of February.

Incidentally* the CoCo with 32K is
expected to take some 30 days to
obtain. The wait for drive 0 (that's
the one you have to have first) is
estimated at 60 days.

There is some undocumented
speculation afoot that some of the
newer software that will be available
from Tandy will be disc-based. And*
if you havn't seen the documentation
on the new ART GALLERY ROM PAC, take
a look. We believe you'll be
pleased at its completeness (at least
compared to some of the other ROM
PACs) .

JARB SOFTWARE
1169 FLORIDA ST.
IMPERIAL BEACH, CA 92032

LASER STAR & HELO BATTLE SI 4. 95

JARBCODE S14.95

PSYCHIC APTITUDE TEST &

JARB BIORHYTHM »14.95

JARB PRINTER UTILITY KIT »14.95

Programs on quality data diskette
with complete documentation.

COD orders accepted. For regular
mail* please add $1 for shipping
and handling. California residents
aff 67. state sales tax.

Call or write for free catalog of
available programs. No collect calls
Please. (714) 429-5516.

are eli-
cost of

All RAINBOW subscribers
gible to deduct $2 from
each program.

FOR

YOUR

Die

By Jorge Mir

This program* called DSKMNDX
creates another BASIC program which,
when runt provides a menu of programs
on your disc. Programs can then be
selected from the menu by simply
typing the applicable program number.
The selected program is then
automatically loaded and run.

The newly-created program* called
INDEX T eliminates the need to type in
the programs the user wants to run.
Young children are relieved of the
need to determine whether the
programs to be run are written in
BASIC or in machine language. It
also eliminates the problem of
mis-typing the name of .a program you
wish to load and run.

DSK«INDX, which is a copyrighted
program* performs the following
functions!

— — — — — —

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*• la Ua li.ac ar tntrm C»i— aw J. ia mm rfTM aaral ;

aaa lfci m0 ia mil* < aim
aia. kj anwl« u» mi ■ a
MM Ua aacaa alll

Oka. ta m fi >u 41 h* IM aa «|«ar alarag lib at

kn la a ■ a IHI afall

flrta* r~-' *wni a/riali*-

Irla. *ar — t urnt^o, r- ara
las far far ka> ra. at aua at fa
aaf tlatl aallavu MM) m> «iaii

*tl-i1i-ii "ka.Ha> auli
<tt anata ranialu

Mala* ara* 1 aw aaalaal, aaa- ^
llaal. mm kWaUaraal aala. aa»
aa m m* af aa, aaa. ariual a aai

nr. tramiia a mm aim.

fajaa ara a af K55 w?
ai ta tkra alara* a. •<
aiilat , mi aak. a a" a I

»l*rla*J arala aT l» faaT
«a aa*. artak ta arti kua
^aa a «aalaa ta puin

CAI »»<Ta uuU Vult >u |EiIl tla ia<« tkra*la

aktlTa a 11 nil

/law la uni t iaw fra .la*
a»n»<. au»j«. mlatlaa.
•kill laala. Iifklj auiuni

»«U ta l ia atak *a
»— U y««a. a Jakatl

/"Mat far ataft a a af. laataa
a u< aaa 'a ml> nrfa*. »ui
aw a a*" a ra'll aaal

ArSS una (i.u •nTv""''
I • tktoak «*UI a r»'»\1

Caafata ajalut i p iiaala U 11a,
a* awai. kraal arti far

•TH-tO ia a tnlaul a Taaa> Car.

Hot affiliated with THE RAINBOW oagasine
COMING SOON

— It reads the disc directory
(track 17) and stores in memory the
program names and their related
extensions.

It sorts the names

alphabetically (this can take some
time if there are many programs on a
disc).

— It creates a neu| BASIC program.
This is done through the development
of program lines as strings, and then
copying them to the disc.

— It kills a previously-created
INDEX program before storing the new
one. This function is added in case
a new program is added to the disc so
that the old program can be updated.

Before DSKMNDX starts its work,
it checks to see whether there is
room on the disc for the new program.
It also checks to see if there is
already an INDEX program on the disc.

It should be noted the INDEX
program will only contain programs
with extensions "BAS" or "BIN." This
feature was incorporated to allow the
user to store programs which could be
excluded from the menu printed by
INDEX.

A sound is produced by the program
when a machine language file is
selected from the menu. The sound is
long enough to allow the disc motor
to stop before the program begins
execution. This is because, in most
instances, if you attempt to execute
a machine language program before the

disc stops, the disc will hang up and
continue to run. If the location of
the machine language program
conflicts with the location of INDEX,
the machine language program will be
loaded but not executed. If this
occurs, you must type EXEC to run the
program.

If BASIC programs containing
graphics produce a syntax error, you
should include a P CLEAR 4 statement
as the first step in your BASIC
program. In order to avoid coinflict
with many machine language programs,
INDEX relocates itself to location
HEX BE03. With the BASIC pointer at
this location, the programs

containing graphic statements will
produce syntax errors which are then
avoided by the PCLEAR 4 statement.

The listingi

(Continued on P*r 24 )

Sceptor of Tzirgle.

to* 24

DISC INDEX Fro Pg. 23

e '••••••••••••••••••••••••«•**•

1 •

2 ' DSK«INDX

3 •

4 ' BY: JORGE MIR
3 •

7 •

8 *•••*••••••••••••••*•*••••••••

9 •

18 CLEAR 18000:DIM N*<68>
28 Y«BtFl«B:F2«B
38 CLS

48 PRINT" BASIC PROGRAM GENERA
TOR"

58 PRINT: PRINT" THIS PROGRAM W

ILL GENERATE A BASIC PROGRAM THA

T WILL PRINT A FILE DIRECTORY AN

D AUTOMAT I CALLYRUN ANY PROGRAM S

ELECTED FROM THE PRINTED MENU.
■

78 PRINT l PRINT" PLACE THE DISK
FOR WHICH YOU WANT TO DEVELOP A
N INDEX IN DRIVE '8' BEFORE

PROCEEDING. ■

88 PRINT 8488," <PRESS ANY KEY

TO START>"»
98 IF INKEY*=" " THEN 98
188 S0UND2BB,5:CLS:PRINT 82B0,"R
EADING DISK"
118 FOR X«l TO 9
128 N«0

138 ! 0, 17,X+2, A*,B$

14B C*=A*+LEFT*(B*, 127)

158 NAM*(N)«LEFT*<C*,B>

168 EXT*(N)«MID*<C*,9,3)

178 IF LEFT* ( NAM* ( N ) , 1 ) =CHR* ( B )

THEN 19B
188 IF EXT*(N)«"BAS" OR EXT*<N)=
"BIN" THEN GOSUB 798
19B FOR N=l TO 7
288 NAM*<N)«MID*<C*,N*32-H,B>
218 IF LEFT* ( NAM* ( N ) , 1 ) « CHR* ( 8 )

THEN 248
22B EXT*(N)=MID*(C*,9+N*32,3>
238 IF EXT*(N)="BAS" OR EXT*(N)«
"BIN" THEN GOSUB 798
24B NEXT N:NEXT X
242 IF F2«l OR !(B)>1 THEN 25B

244 CLSl PRINT" THERE IS NO ROOM I
N THE DISK TO SAVE THE NEW BASIC

PROGRAM. "

245 PRINT:PRINT"YOU MUST 'KILL'

PROGRAMS CURRENT
DISK BEFORE PROC

ONE OF THE
LY STORED IN
EEDING. "
246 END
258 N=Y+1

268 CLS:SOUND 200, 5 : PRINT3199, " D
ATA BEING SORTED"

27B GOSUPB20

280 CLS: PR I NT" THESE ARE THE PROG

RAMS STORED IN THE DISK:"

290 PRINT:FOR X=l TO Y

300 PRINT" "LEFT*(N*(X),8)" "MID

*(N*(X),9,3),

310 IF Y<22 THEN 330

320 FOR S-l TO f00:NEXT S

330 NEXT X

340 IF POS(0)>1 THEN PRINT

350 PRINT: PRINT" PLEASE STANDBY W

HILE THE NEW BASIC PROGRAM IS

BEING CREATED."
360 ****PROGRAM GENERATOR***
365 IF F2=l THEN ! " INDEX/BAS*
370 LX*«"ON I GOTO "
388 OPEN "0",1,"INDEX/BAS"
398 LN=B:LN*=""
488 LN*="GOTO 6000" : GOSUB 1080
410 LN*="DATA BD, B3, ED, IF, 02, 7E,
96, A7": GOSUB 1088
428 LN*=" CLS" : GOSUB 1880
430 LN*=" CLEAR 2000: DIM N*(60)":
GOSUB 1080
440 LN*=" PRINT
INDEX "+CHR*(
450 LN*=" PRINT
460
470

480 LN*="FOR
" I GOSUB 1088

AB ( 1 2 ) " +CHR* ( 34 )
GOSUB 1080
: GOSUB 1080
LN$= " X«0 : Z= 1 " : GOSUB 1 080
LN*=" RESTORE" : GOSUB 1080

«0TO7:READ E*:NEXT

(Continued cm Pige 25 )

COMPUTER x0 AUDIO
CASSETTES ^ CASSETTES

-C.0.D. HOTLINE 1-206-675-6143

MICRO-80" INC.

- E-2665 BUSBY ROAD • OAK HARBOR. WA 98277 <

DISC INDEX frm 2*

490 LN»«"READ Nt(Z)UF N$(Z)«"*C
HR»<34)«-"END"«-CHR»<34>«-" TVEN a +S
TR$(LN+30) l GOSUB 1080
300 LN»«"Z-Z-HlGOTO"+STR»(LN)iGO
BUB 1060

310 LN»>"A>INT((Z-l)/2)+l a iG0SUB
10B0

520 LN6-"F0R X«l TO A" i GOSUB 10B0
330 LN*""PRINT USING'+CHR»(34 >♦ ■
#«• • ♦CHR» ( 34 ) ♦ ■ | X 1 1 PR I NT ■ «-CHR« ( 3
4>«." - *CHR»(34)*"N»(X),'»GOSUB10
B0

340 LN6«"IF N6(X*AK>"«-CHR6<34>«-
CHR»(34)*'THEN PRINT USING"+CHR»
< 34 )♦••##■ *CHR»( 34 »X*A» IPRINT
•♦CHR6<34>*' •♦CHR6<34>*"N6<X*A>
l NEXT" t GOSUB 10B0

330 LN««'PRINTa480,"«-CHR«<34)*CH
R»<34)+- ; t INPUT" +CHRt( 34 )+ a

YOUR CH0ICE"«-CHR6<34)*"iI"iG0S
UB 1 0B0

360 LN6-MF Kl OR I>Z THEN-+STR

•(LN) IGOSUB10B0

370 LN»«"GOTO 3000" l GOSUB1 080

380 Fl-HFOR X-l TO Y

390 IF MID»(N»(X) t 9,3)»"BIN" THE

N 630

600 LN*> a RUN"+CHR*<34)+LEFT»(N*<
X),B)+"/BAS"+CHR«(34)*"iDATA •«■!_

EFTf(N»(X),B)
610 GOSUB 10B0
620 GOTO 650

630 LN»»"L0ADM"*CHR»<34)+LEFTf(N
»(X).B)+"/BIN"*CHR»(34)+"lS0UND
200,50>EXECtDATA " +LEFT6 < N» < X > , B
)

640 GOSUB 1080
650 NEXT X
660 Fl-0

670 LN*«"DATA END" I GOSUB 1 060

6B0 LN=4990:LN*=LEFT*(LX*,LEN(LX

t)-l>lGOSUB1080

690 LN«="CLS « END "» GOSUB 1080

700 LN=5990iLN»="CLEAR200tFORI«0

T07IREAD Eft GOSUB 1080

710 LN$«"POKE&HE03«-I,VAL('«-CHR6<

34 ) ♦ • fcH ■ «■ CHRt ( 34 ) ♦ ■ «-E6 ) I NE X T " 1 60

SUB 1080

720 LN»- " DEFUSR0=4HE03 l X-USR0 ( &H
E1B)" IGOSUB10B0
730 LN»«"G0T0 30" > GOSUB 1080
740 CLOSE 1

730 CLSt PRINT9160* " THE NEW BASIC
PROGRAM HAS BEEN GENERATED AND
STORED IN YOUR DISK."

760 SOUND 200,25

770 PRINT

780 END

790 Y-Y+l

800 Nt(Y)=NAMt(N)+EXT»(N>

805 IF N»(Y)«" INDEX /BAS" THEN

F2-1
810 RETURN

PageZ

B20 REM«««««SORTING R0UTINE««##

830 FOR Sl«l TO N-l STEP 2

B40 62-61*1

650 NEXT SI

660 S3-0

670 S4-N

660 S4>INT(S4/2)

690 IF 64-0 G<*TO 1070

900 S3«S3*1

910 FOR S3«l TO 64-1

920 SI -S3

930 S2-S5+S4

940 S6-0

950 IF N«<S1KN6<S2>G0T0 1000

960 66-1

970 SSt«N»(Sl>

960 N»(S1)-N»(S2)

990 N$(S2)«SS$

1000 S1-S2

1010 S2-S2+S4

1020 IF S2<N GOTO 950

1030 IF S6-0 GOTO 1050

1040 GOTO 920

1050 NEXT S5

1060 GOTO 680

101701 RFTURN

1080 LN-LN+10

1090 A»«STR6<LN>*' '*LN6

1100 PRINT«1,A*

1110 IF Fl«l THEN LX6«LX6+STR6<L
N)*CHR»(B)+", ■
1120 RETURN

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Fa* 26

GIVE US
MORE VIRERS!

By Richard White

VIPERS nay be Dave Hooper's first
cut at game programming, but he has
been keeping his light under the
barrel regarding other phases of CoCo
programming.

Of course, I typed VIPERS in from
the December RAINBOW. I came to the
DIM statements in line 115 and
proceeded to enter only those with
(IB) or larger since CoCo defaults to
(10) if no other number is specified.
After all, I'm running 32K and don't
like to type.

Now, when I enter a program, I
like to test it as I go by running it
if this is reasonable. With VIPERS,
it was reasonable to RUN100 after
each set of DRAW and GET lines after
adding a 1000 GOTO 1000 to hold the
graphics screen. Line 135 is GET
(17B,68)-(196,B4),B,G. I ran 100 and
got a FC ERROR IN LINE 135. That

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told me that I had to have a DIM (X)
statement for any GET command.

Now, the Extended | Basic Manual
tells us that a two dimension array
must be dimensioned for a GET, and
that the form for the one above mould
be (DIM (22,16). I put this in and
it worked. I proceeded to put in the
rest of VIPERS, "correcting" Dave's
DIM statements as I went. I ran it
and checked MEM to find I was using
nearly 25K bytes.

Now, at this point in the CoCo's
development, it is reasonable to
expect the typical owner has a 16K
machine and any program that would
not fit in 16K would be so labeled.
Dave's original DIM statements
worked, though they are totally
different from those in the manual.
A quick check proved this out.

So what is the right, and least
memory-consuming way to DIM for use
of GET's. D-ve read the September
Radio Shack "Microcomputer News"
closer than I did. There Thomas
Rokicki provides the following
formula, which obviously works:

Array Size=(<H x V) -1)/N

Where H=hori zonal width;

V=vertical length; N=40 for PMODE 3
and A, or 80 for PMODE 1 and 2, or
160 for PMODE 0.

The lengths and widths are the
largest coordinate minus the smallest
coordinate for each direction. Most

of the time you will get an answer in
decimal form, i.e., 7.7896. Round
down (in this case, DIM X(7).

This is important if you have
stayed away from GET's and PUT's
because of the memory consumption of
a two dimensional array. I certainly
had not given them much thought until
I entered Dave's program.

The other neat bit of programming
is Dave's use of the PLAY command
with tempo T255, note length L255 to
generate sound effects. These
effects appear in commercial machine
language programs — now we find we
can do them from BASIC.

Perhaps Dave will put some words
around on how he chooses notes and
octaves to get what he wants.

SNAIL ftm *. 17

29 DRAW" HUR3EL4U2E3R4G3R3DG4L2" •
PAINT(24,70>,4,4

31 FORI«lTO3«READAlPAINT<A,70>,4
, 4INEXT

33 DATA32, 63, 118,178,220

33 FORI-lTOBtREADAiPAINT<A,90>,3

,3iNEXT

37 DATA22,46,72, 102, 136, 170, 193,
234

39 FORK-6TO206STEP40IFORKK-0TO4B
STEP 16> PUT <0*K, 120+KK)-<32+K, 128
♦KK ) , S , PSET I NE X TKK INEXTK
41 POKE6S494,0(FORK»lTOStSCREENl

,0iSOUND20, HFORI-lTO500tNEXTHS

CREEN 1 , 1 1 SOUND 1 , 1 1 FOR I > 1 TO300 1 NE

XTI INEXTK l POKE65495.0 t RETURN

43 Z-4IPM0DE3, 1 i PCLSi SCREEN0, 01 Q

* « ' C 1BRNU4RU4 RD4 RU4RD4 RU4 RNL4D2N

L4D2L6C3'

45 DIMT<24)

47 AS«"BR4NU4BR-lBS«"BR2U2R3U2NL

3BD4NL3" « CS« " BR2R3U2NL2U2NL3BD4 "

I D»« ■ BR2BU2NU2R3U2D4 " « Et« ■ BR2R3U

2L3U2R3E04 ■ I F»= " BR2U4NR3D2R302NL

3" !G*-"BR2BU3UR3D4' lH*«"BR2U4R3D

2NL3D2NL3" I IS--BR2BU2NR3U2R3D4- i

JS«"BR2U4R3D4NL3"

49 QQS--V31L25502BB01CC

51 GBf « " ULUL2UR7DL2DLD"

53 SNS*" REHLG2FR3E2H2L3G2DFR6U2"

55 SAS--C5REHLG2FR3E2H2L362C2DFU
NHDR5 C4NUNMNE2RNH "
57 DRAW"S11BM12B,92|C3'+SN»
59 PAINT(128,89),2,3
61 DRAWS1 1 BM 128,92 J" 4-SAS
63 DIMS(7)

65 GET(111,86)-(143,94),S,G

67 FORI-1TO90«PSET(RNIV43),RND(1

9),RND(5))tNEXT

69 DIME(21)tGET(0,0)-(43,19),E,G

71 GG*-"U2R4U2R2U2RD2R2D2R4D2L13
■

73 DRAWS4BM12, 192|C3"+GG»

75 PAINT<17,190),3,3

77 DIMF(7)iGET(0,185)-(37, 192), F

,G«G0SUB25i GOTO 137

79 I FM 1 "0THEN 1 03ELSE I FM 1 « 1 THEN 1 0

5 ELSE I FM 1 -2THEN 1 07ELSE I FM 1 "3THEN

109ELSEIFM1«>4THEN1U

81 L 1 -M2 1 GOSUB 1 1 3 1 M C*=LL« 1 1 FM2- >

10THENM3-M3+1

83 IFM2-M0THENM2-0

85 Ll-M3tG0SUB113iMDS«LL*UFM3«>

1 0THENM4»M4 ♦ 1

87 IFM3-M0THENM3-0

89 Ll-M4iG0SUB113tMES«LL*»IFM4«>

10THENM5-M5+1

91 IFM4«>10THENM4«0

93 Ll-M5tG0SUB113iMF*-LLStIFM5«>

10THENM6-M6+1

(Continued on Paw 28 )

tat 27

TRS-80' COLOR COMPUTER'

- 16K Extended Basic/ Mem-Driven* Well-Documented, Easi ly-Modif led.

- For either cassette or diskette systems <Be sure to specify >.
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- Order* shipped on cassette - Add *5 for shipment on diskette.

-FURST-

Data Clement Dictionary driven
File Update find Retrieval SysTem.
Create and maintain files according
to your specifications. Ideas for
applications included. #23

-MAILING LRBELS-
Cenerate and maintain mailing label
records. Selectively Print desired
quantities. Can keeP several label
files If desired. Designed for
Printer VII/ easily modified. #13

-REPORT WRITER-
Used in conjunction with FURST to
selectively format reports on your
printer. Includes headings and
total capabilities.

*13

-EXERCISE PLRNNER-
Build and maintain complete exercise
schedule for regular and^or weight
Programs. Display guides you through
daily-calculated routines. Print
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SNAIL Frta Pg. 27

95 IFM5«>10THENM5«0

97 IFM6*>10THENr16«0

99 L1»M6:G0SUB113»MG»=LL*

101 RETURN

103 MA»=J»:MEt=J«:G0T081

105 MAt=B»:hE»=Et:G0T081

107 MAt«Et:hE««J»:G0T081

109 MAt«G*tMB*«E*:G0T081

1 1 1 MA«« J« t ME»= J» : Ml «0 : M2-M2+ 1 : G

0T081

113 IFL1-0THEN115ELSEIFL1-1THEN1

1 7ELSE IFL 1 -2THEN 1 1 9ELSE I FL 1 -3THE

N 1 2 1 ELSE I FL 1 -4THE N 1 23ELSE I FL 1 «5 T

HEN 1 25ELSE I FL 1 -6THEN 1 27ELSE I FL 1 «

7THEN 1 29ELSE I FL 1 =BTHEN1 3 1 ELSE I FL

1 -9THEN 1 33ELSE I FL 1 «> 1 0THEN 1 35

115 LL»-J«t RETURN

117 LL*=A* : RETURN

119 LL«=B«: RETURN

121 LL*=C«: RETURN

123 LL«=D»« RETURN

125 LL*«E*i RETURN

127 LL««F«« RETURN

129 LL*=G* : RETURN

131 LL*«H* « RETURN

133 LL*« I • i RETURN

135 LL»« J» : RETURN

137 PCLS

139 CLS0:SCREEN0,0
141 G0SUB295
143 G0SUB281

145 FORI=0TO176STEP48:FORY«=2BTO1
2BSTEP20 1 PUT ( I , Y ) - ( I +32 , Y+8 ) , S , P
SETiNEXTYiNEXTI

147 FORI«0TO180STEP60:BI*=STR*(I

+20) :DRAWS8BM"+BI«+", 165;C8U2E3

R 1 2F3D2L4H2L6G2L4" « PA I NT ( I +24 , 1 6

3),8,8:NEXTI:SCREEN1 ,0

149 F0RI«1T0SR:DRAW"S4BM"+STR*( 1

26+(34*I ) )+" , 18;C3"+GG«+"U2R13" :

NEXTI .

151 FORI-0TO76STEP4

153 G0SUB297 : I FPPO I NT ( 20+ I , 32+Q )

-1 THEN 157

155 PUT<0+I,2B+Q)-(32+I,36+G),S,
PSET

157 IFPPOINT(20+I,52+Q)«1THEN161
159 PUT(0+I,48+Q)-<32+I,56+G),S,
PSET

161 IFPPOINT(20+I,72+Q)=1THEN165
163 PUT(0+I,6B+Q)-(32+I,76+G),S,
PSET

165 IFPPOINT(20+I,92+Q)=1THEN169
167 PUT<0+I,B8+<S)-<32+I,96+G>,S,
PSET

169 IFPPOINT(20+I, 112+Q)=1THEN17
3

171 PUT<0+I, 108+Q)-(32+I, 116+G),
S,PSET

173 IFPPOINT(20+I, 132+Q)=1THEN17
7

175 PUT ( 0+1, 128+Q>-< 32+1, 136+G),
S,PSET

(Continued on Page 29 )

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D r the gul> of the Color Computer. Shorten it. lengthen «. modrly H end replay it

I • Fast Machine Language Speci on ad the IC» complete l»»ough the TV» sound »y*lem. BuM and te«l
I . r., o_i w_ D ■„.! »ct»m«ICT theory of oprrllort your «• •owndi lor gwnet No IWHdwwe mods /

I • tiasic not Required ^ p , oflI . mm)nB tunv i„ needed

kSSSr tmUT]E8 spectral

I EXTENDED BASIC GAMES • EDITOR/ ASSEMBLER *34.95 A^QTiriATF^

• LOTHAR'S LABYRINTH! *CT^ • SUPER MONITOR 19.95 MO^UUIM I C<0

Wo^archrS X/ » EPROM PROGRAMMER 69.95 P.O. BOX 997 1 5

I • BATT^v££T (Piogram yoot cum romi lot tr« rohpac port) Tacomi. Washington 984 99l

Battleship Search Game (oneor * ^^^^^c^^ » R 'I|™ S G ET ,^ ci* 7 * 100

two nbtvaakrO ADO 3S FOR SHIPPING S t .00 minimum I

• colriT>D*r k cDc •TYPING TUTOR 19.95 mi.. 23 -k. i» dei„e, v

SSc^r^ime .TEXTEDITOR (206)565-8483

*14.95/ea. DEALER INQUIRIES INVITED yiSA OR MASTERCARD ACCEPTED |

1 77 60SUB297 1 G0SUB25 3 1 1 FPPO I NT ( 6

B+I,32+Q>«1THEN181

179 PUT(4B+I,28+Q)-(B0+I,36+Q),S

,PSET

181 IFPP0INT(6B+I,52+Q)-1THEN1B5
1B3 PUT(4B+I,4B+Q)-(B0+I,56+Q),S
tPSET

163 IFPP0INT(6B+I,72+Q)-1THEN189
167 PUT(4B+I,6B+Q)-(B0+I,76+Q>,S
« PSET

169 IFPP0INT(6B+I,92+Q)"1THEN193
191 PUT(4B+I,BB+Q)-(B0+I,96+Q),S
,P8ET

193 IFPP0INT(6B+I,112+Q)-1THEN19
7

193 PUT(4B+I,10B+Q)-(B0+I,116+Q>
t S« PSET

197 IFPPOINT (6B+I, 132+Q)«1THEN20
1

199 PUT(4B+I,128+Q)-(B0+I,136+Q)
,S,PSET

201 G0SUB297tG0SUB253UFPP0INT(l
16+1. 32+Q ) - 1 THEN205
203 PUT(96+I,2B+Q)-(12B+I,36+Q),
6, PSET

205 IFPPOINT(116+I,52+Q)«1THEN20
9

207 put(96+i,48+q)-(12b+i,36+q),
sTpset

209 ifpp0int(116+i,72+q)«1then21

211 PUT(96+I,6B+Q)-(12B+I,76+Q>,
S, PSET

213 IFPPOINT( 116+1, 92+Q)«lTHEN21
7

213 PUT(96+I,BB+Q)-(12B+I,96+Q>,
S,PSET

217 IFPP0INT(U6+I,112+Q)-1THEN2
21

219 PUT(96+I,108+Q)-(12B+I,116+Q
) , S, PSET

221 IFPPOINT( 116+1, 134+Q)»1THEN2
23

223 PUT (96+1, 12B+Q)-( 12B+I, 136+Q
),S,PSET

225 60SUB297IG0SUB253J I FPPO I NT ( 1

64+1 , 32+Q ) -1 THEN229

227 PUT(144+I,2B+Q)-(176+I,36+Q)

,S,PSET

229 IFPPOINT (164+1, 32+Q )-lTHEN23
3

231 PUT<144+I,4B+Q)-(176+I,36+Q)
,S,PSET

233 IFPPOINT( 164+1, 72+Q)-lTHEN23
7

235 PUT(144+I,6B+Q)-(176+I,76+Q)
,S,PSET

237 IFPPOINT ( 164+1, 92+Q ) « 1 THEN24
1

239 PUT( 144+1, B8+Q)-< 176+1, 96+Q)
,8, PSET

241 IFPPOINT( 164+1, 1 12+Q)-1THEN2
43

243 PUT( 144+1, 10B+Q)-( 176+1, 116+

Q),S,PSET

243 IFPPOINT ( 164+1, 132+Q)-1THEN2
49

247 PUT( 144+1, 12B+Q)-< 176+1, 136+

Q),S,PSET

249 G0SUB25 3 1 NE X T I

231 GOTO 137

23 3 I FPPO I NT ( Z+ 1 4 , 1 90 > « 1 THEN307E
LSE I FPPO I NT ( Z+.1F , 1 90 ) ■ 1 THEN307EL
SEIFPPOINTCZ+24, 190>-1THEN307
255 FORB-1T01 1 1 IFC«1THENG0SUB2B3
257 I FW» 1 THENG0SUB2B7
259 NEXTBl I FW« 1 THENRETURN
261 FORT-1TO10
263 W»«INKEY*

265 IFW««CHR» ( B ) THENG0SUB273ELSE

IFW»=CHR» ( 9 ) THENG0SUB277ELSEIFW»

«CHR» ( 32 ) THENG0SUB2B7

267 NEXTT

269 RETURN

271 PCLStGOT0151

273 Z«Z-12HFZ<"4THENZ«4

275 G0SUB2B1 1 RETURN

277 Z-Z+12tIFZ->216THENZ«216

279 G0SUB2B1 » RETURN

281 PUT(0+Z,185)-(37+Z,192),F,PS

ETt RETURN

2B3 PUT(Z+B, 179-K)-(Z+24,177-K),
E , PSET t PUT < Z-4 , 1 85-K ) - < Z +39 , 1 75 -
K),E,PSETlLINE(Z-4, 1BB-K ) - < Z+39,
1 74-K ) , PRESET , BF i SCREEN 1 , 1 i P0KE6
5494, 0tFORV«lTO2t PLAY" V3105L255B
C03B C " t NE X T V t POKE 65495 i 0: SCREEN 1
,0JW-0:C"0:PSET<Z+19, 1B3-K, 1 ) »K=
BxMl-Ml+l

265 G0SUB295 « RETURN
287 W-HPSET(Z+19, 1B3-K, 1 ) :K«K+6
l IFPP0INT(Z+19, 1B3-K)«2THENC=1EL
SE IFPPO I NT ( Z+ 1 8 , 1 83-K ) =2THENC« 1 E
LSEIFPP0INT(Z+17, 1B3-K)«2THENC«1
289 PSET(Z+19, 1B3-K,3) i IFK«>156T
HEN293
291 RETURN

293 PSETCZ+19, 1B3-K, 1 ) :W-0tK»0J R
ETURN

295 GOSUB79tDRAW'SBBM13,20?'+Q»+
MG»+Q*+MFt+Q« t DRAWME»+Q»+MD*+Qt «
DRAWMC«+Q»+MA«+Q»+MB» « RETURN
297 IFSB=1THEN302

299 XB-RND(3)»IFXB»3THEN301ELSER
ETURN

301 SB«ltSC>RND( 180) +35: RETURN

302 IFPPOINT (SC, 160)-1THENBL-192
ELSEBL-165

303 SB=0:DRAWS4BM"+STR«(SC)+',1
44 1 C2" +GB» t P0KE65 A 94 , 0 : PLAYQQ* t P
OKE65495,0tLINE(SC, 146)-(SC,BL),
PSET i PUT ( SC-1 1 , BL-1B) - ( SC+1 1 , BL )
,E,PSETiLINE(SC-ll,BL-18)-<SC+ll
, BL) , PRESET, BF l SCREEN1 , 1 1 SCREEN1
,0tLINE(SC, 146) -(SC, BL) , PRESET ID
RAWBM"+STR»(SC)+-, 144;C1"+GB
305 RETURN

(Continued on Page > >

Pwe 31

— •■ »— t • — —

OR. . .

THAT

So you want to turn the motor of
your tape recorder on and off a lot,
but really don't like to hassle with
the MOTOR ON and MOTOR OFF sequence
from the keyboard.

And, for gosh sakes,
far too much trouble
plugging and unplugging
mini-plug all the time.

it sure is
to keep on
that remote
..like when
you want to rewind, move fast forward
or whatever.

Sorry, we really can't help you
turn the motor on any more quickly
than a simple MOTOR ON. Oh yes, you
can POKE into the MOTOR ON location,
but, frankly, its easier to remember
MOTOR ON than a POKE address.

But, to turn the motor off once
its on, there is a super-simple way.
Just create a syntax error. This can
be done by pressing any key and then
ENTER. You'll get a ?SN ERROR
message on the screen, but the motor
will "turn off, too.

Try it, you'll like it!

BAKER'S DOZEN SALE

UNTIL FEBRUARY 28, 1982
TO INTRODUCE OUR

CHEAP BLANK j&
COMPUTER TAPES

Specifically Designed for the Higher Baud
Rales of the Color and Mod III Computers

• Premium Tape
• 100% Error Free
• Short Rewind
• Mu Metal Shield
• Superior Five Screw
Construction

C-10
C-20

12 + 1 FREE

75Cea.
85C ea.

24 +2 FREE

65Cea.
75C ea.

POSTAGE AND HANDLING $1.50
OHIO RESIDENTS ADD 5.5% TAX

the little computer store

of Cincinnati

77B5 ELBROOK
CINCINNATI. OHIO 45237
(513)631-4555

BR I CKAWAY

Here is an inexpensive <*7, from
Britt Monk, CDP, P.O. Box 802,
Elyria, OH 44036) "Breakaway"-type
game that can provide some enjoyment.

At the price, its a nice game.
BR I CKAWAY isn't as sophisticated as
the games you'll find in the arcades,
but it does have a number of the
features necessary to keep the whole
thing interesting.

What you have, essentially, is a
across the top of the
three rows of bricks. As
them down, your score
And, if you make it
get your "ball" between

brick wall
screen with
you break
increases,
through and

the wall and the top of the screen,
the ball bounces up and down very
quickly, with the score mounting.

The paddle you use to hit the ball
is controlled by the right Joystick
and you can put some "English" on
your shots, sending the ball off in a
different direction. The ball can
take a strange bounce, too, when it
hits the edge of a brick,
there is some skill
playing.

Author Monk has
displayed his own high
you something to shoot
do, though, you can't
high score with yours.

This means
involved in

thoughtful ly
score, giving
at. If you

replace his

SNAIL Fra Pg. 29

307 F0RDS=lT04:PUT(Z+8, 184)-(Z+3
0, 192),E,PSET:LINE(Z+8, 184)-(Z+3
0, 192), PRESET, BF:NEXTDS
309 SR=SR-1

31 1 C0L0R3, 1 :DRAW"S4BM"+STR*( 126
♦<34«<1+SR> ) )♦", IB; CI" +6G*+"U2R1
3" : P0KE65494 , 0 : S0UND1 , 4 : P0KE6549
5,0(GOSUB281 : IFSR=0THEN313ELSE25
5

313 SCREENl,l:POKE65494,0:FORI«2
00TO20STEP-20 : SOUNDI , 1 : NEXT
315 FORI=1TO1000:NEXT«RUN
317 ' "SNAIL INVADERS" BY FRED
B. SCERBO AND DALE "SNAIL"
HA66ERTY, COPYRIGHT (C) 1982
1MB, ILLUSTRATED MEMORY
BANKS, BOX 289, WILLI AMSTOWN,
MA. 01267

COLORCOM/E

It seems like it qets easier and
taticr to hook up with data banks
like CompuServe and BBS* like the
Color Connection. And now* with
COLORCOM/E < Conne ct ion-Be, +3-15 86
flrive, MoodnaVW, NV, 11421. »49.W )
its even easier than ever Before.

We recall when "they" told us
there was no way to print out from
the Videotex program. A couple of
RAINBOW'S authors solved that one
months ago. Then we figured out how
to download from a host computer to
tape* saving programs without having
to type them in all over again.

Now, another step. COLORCOM/E
gives you the super convenience of a
ROM Cart to load the program and a
very versatile program that can do a
lot of excellent things.

For example* you can print out the
entire dialog between your
computer/terminal and a host
computer* or you can "mark" certain
areas to be printed* ignoring the
rest. Or* you can use the same
"marking" situation to save to tape.
And all of this is done offline* when
it doesn't cost any money in connect
time.

COLORCOM/E also has true
scrolling* either 12 or one lines at
a time. That really makes it easy
not only to find what you want* but
to mark it for printing or saving.

There's also a word wrap mode*
which eliminates split words if you
like* and easily-changed baud rates
to accomodate any host. And* there's

NO tape to fool with, the ROM Cart
makes this a very easy system with
which to work.

Although there are a lot of
features available with COLORCOM/E.
the program is extremely easy to
operate. And this is helped by the
documentation, which if really good.
X had COLORCOM/E up and running in
five minutes, and was saving to tape
and printer Just as soon as I got off
the phone.

If you're interested in

communication. COLORCOM/E will be a
valuable addition to your Color
Computer.

Put

Wanna real GOOD DEAL
On A. COLOR COMPUTER??

Due to a Special Purchase,
we offers

* 16K

* Extended Color Basic

* Full Radio Shack Warranty

* Neuif In Carton

$499

T RS-Q0*
COLOR COMPUTER

Send check, Money Orderi Visa or MasterCard Number to!

CUFF'f COLOR CORNER
Rt. 4, Box 246

Floyd's Knobs, IN 47119 »Tr»*eark, Tan* Corp.

The RAINBOW

5803 Timber Ridge Dr.
Prospect. KY 40059

Gentlemen:

YES! Sign me up for a one-year (12 issues) subscription to the RAINBOW. My $12
is enclosed.

Name

Address

City _

VISA

(Canadian and foreign subscribers please add
additional mailing charge).

State

Zip

Check enclosed S_
Charge my

CARD*

SIGNATURE

. VISA account

. Mastercard account

EXP. DATE

_ INTERBANK •