text stringlengths 700 12k | source stringclasses 6
values | time_bucket stringclasses 5
values | year int64 1.95k 1.99k ⌀ | approx_tokens int64 175 3k |
|---|---|---|---|---|
PCORES+O0490 HI-SCORE:20G00 fut: 3490 SCORE! #00490 HI-SCORE: C8000 ruEL: 3460
ON YOUR MARKS.
SET.
mori 1e
ELAPSED , Fine ELAPSED Pi IME EL APSED | TIME
Olympic Decathion Is the qualities that guarantee suc- Decathlon, by Timothy Smith, for
definitive game for the cess. in the 110-meter hurdle the Apple fi or... | byte_magazine | 1980_1988 | 1,981 | 2,918 |
The full DTMF-encoding standard
defines four rows and four columns
for a total of 16 two-tone combina-
tions. Standard telephones use only
12 of these combinations, but for the
purposes of this discussion we shall
consider all 16. Depending upon your
application, these extra codes may be
useful,
The eight frequencies ... | byte_magazine | 1980_1988 | 1,981 | 2,952 |
Extend CP/M.
to Multiuser Systems:
Extend Your Profits
To Hardware OEM's:
The protitable impact
of multiuser configurations
is profound, Compare your
sum-of-the- boxes pricing:
Mulliuser vs. single user.
No question about it. Your next
move will be to re-forecast
sales quotas and profit margins.
MP/M II is the key.... | byte_magazine | 1980_1988 | 1,981 | 2,928 |
New! TI LCD Programmer. [15 5.) Free Trial. |
Hexadecimal and Octal Calculator/Converter. The bost way 10 evaluate the TI LCD |
The brand new tilt-top Tl LCD Programmer can save you age lcge weg gh lle beled
AP ren eanos nye hours of work. It was designed specifically for the ! !Sineasimpy siumdtoretolvetend, |
, so pr... | byte_magazine | 1980_1988 | 1,981 | 2,972 |
Message dispiayed
when iNsert mode is
toggled on viz
<<< FORYMAT >>> CTAL-N,
A specia! formatted
list routine included
for printer output.
Oe ee ee
CP is naver aflowad
outside of the
FORTH screen
boundary.
Leas than two lines of
code nead to be
changed fo work on
most any terminal.
(Clear screen code
and the ... | byte_magazine | 1980_1988 | 1,981 | 2,953 |
@ Comes completely assembled, tested and
ready to run without any hardware modifi-
cations to your system.
@ Optional utility software to interface the host
to the EPZ. Contact Microbyte for details.
@ Price of $595.00.
AVAILABLE FROM
Microbyte Computer Systems
2798 So. Bascom, San Jose, CA 95124
(408) 377-46... | byte_magazine | 1980_1988 | 1,981 | 2,937 |
One place software might work
well is the DTMF-encoding function.
I haven't tried that because I've
always envisioned myself stepping in-
to a phone booth in Butte, Montana,
and “talking” to my computer
through either the built-in Touch
Tone keypad or a small handheld
DTMF encoder. Software-generated
tones might not be... | byte_magazine | 1980_1988 | 1,981 | 2,981 |
Dascribes five devices in the
same thorough detail you'll find
in Volume 3. Contains 13 tables
and 149 separate illustrations.
#45-4, $6.690
8089 I/O Processor
Handbook
by Adam Osborne
A complete presentation of the
8089. The 8289 Bus Arbiter is
also described with the same
careful attention to design and
appli... | byte_magazine | 1980_1988 | 1,981 | 2,914 |
If the pole plant is successful, and your flying fingers
have generated enough momentum, the figure will ride
the pole toward the crossbar—where he must pull up into
a handstand, just before hitting the bar. Finally, the pole
must be released before it follows through the crossbar.
Proper timing is rewarded with SUCCES... | byte_magazine | 1980_1988 | 1,981 | 2,993 |
Now—A four station,
hard disk business computer
with letter quality printer,
terminals and get-rolling
software for less
than $15 a day.*
The Altos Business Computer
Special. The most powerful.
reliable, easy-to-use system in its
price range. And Altos backs it up
with on-site, nationwide service.
The hardworking ... | byte_magazine | 1980_1988 | 1,981 | 2,982 |
On-Going Support Includes:
Legal and technical
information
Distribution channels
Printing facilities
Free product listing in our
Applications Software
Catalog
All this plus the world’s
largest software marketplace
— the CP/M® customer base.
So why do it alone? Write
Digital Research, We'll send
you our free broch... | byte_magazine | 1980_1988 | 1,981 | 2,927 |
Our 68000-based systems mun at
8MHz and execute approximately one
million instructions per second. The
processor has a 16 bit external data
path and internally supports 32 bit
operations. All of our computers, with
the addition of the interface board, can
control videodisc players. Multibus”
devices can also easily be ... | byte_magazine | 1980_1988 | 1,981 | 2,960 |
The graphics match what we expect from the Sirius/
Nasir team, The exploding fighters and laser fire are fan-
tastic, When you finally get past the sensors and dock for
fuel, you are rewarded with one of the best high-
resolution graphics displays in the gamel All movement
in the game is smooth, and the playing pace ne... | byte_magazine | 1980_1988 | 1,981 | 2,988 |
Suppose you have a tank and a decoy in the same 7 by
7 kilometer area. Looking out the tank window, you see
the tank (designated by a “T") in the center and a decoy
("D”) off to the left. But looking out the decoy window
gives the opposite picture, with the decoy in the center
and the tank to the right. Move the tank o... | byte_magazine | 1980_1988 | 1,981 | 2,979 |
2716 (5V) EPROM Compatibility:
Programmed 2716 EPROM's may
replace any or all of the RAM
Four independently addressable 16K
submodules on one board organized
as two pair of independent 32K
banks or as one 64K Extended
Address Page. Each 32K bank
responds independently to phantom.
Bank Select logic is compatible
with e... | byte_magazine | 1980_1988 | 1,981 | 2,875 |
40CPS - Serial $1825
45CPS - Parallel $1710
Datasouth VIDEO TERMINALS COMPUTERS
DS 180 - $1275 Adds Altos
Diablo Viewpoint $545 ACS 8000-15. . | Call
630 RO Soroc | ACS 8000-2w/CPM. . Call
w/Tractors. $2360 IO 120. .... Gall NEC Call
630 RO $21 80 ra) 130. - es Rentemer penee utter renpznvnenne
wo/Tractors. IQ 1 : she
... | byte_magazine | 1980_1988 | 1,981 | 2,978 |
The primary and percussive waves are offset in fre-
quency by a user-defined amount of 16 semitones per
note (ie: 16 possible steps from C to C#). Selection of a
great enough offset produces the effect of two notes per
one keypress. A more practical use, however, is to slight-
ly offset the two oscillator frequencies t... | byte_magazine | 1980_1988 | 1,981 | 2,904 |
Like any good computer music system, the alphaSyn-
tauri synthesizer simplifies recording key closures and
their associated timing information. This is not unlike an
analog synthesizer sequencer, except the music program-
ming is accomplished by playing on the keyboard, Key
velocity, pitch, and duration are saved in a ... | byte_magazine | 1980_1988 | 1,981 | 2,990 |
Pioneer, LA. Varah, =e Orinbution prous Panherka Zentronics
i delivers
solutions
Japan iniel Japan, Tokyo. United ah ate Canachan :
PRT EEL) eit eae
SAA ee
Photo 5: Bill Mauchly's eight-track Linden Studio in Ambler, Pennsylvania. In the foreground is the Fairlight Computer. Music
Instrument, the alphaSynta... | byte_magazine | 1980_1988 | 1,981 | 2,985 |
i] Artifictal intetligence U 15] Requires. 86K CPIM 3500 00
2] Requires: 48K CPM, CBASIC2 ha] kaif T year maintensnce $300 00
[338 Cast $35.00 e{ |33] manyal ajone
On (Ine “Help” system provided with svery program packago.
SuperSoft
First in Software Technology
SuperSoft’s Masterpiece
of the Month ri
CPrM REG... | byte_magazine | 1980_1988 | 1,981 | 2,953 |
On the academic side, Stanford University has 2 com-
puter-assisted instruction project in the works. The
curriculum, developed on its PDP-10 by Dr. Wolfgang
Kuhn, is being adapted to the alphaSyntauri system to
teach basic music theory. This should be very interesting,
and I am sure mary other universities will implem... | byte_magazine | 1980_1988 | 1,981 | 2,927 |
8. M-DAIVE, As close os you can come to the solid-state
disk drive. M-DRIVE runs JEEE 696/5-100 RAM under CP/M
2.2, so that the memory oppeors identical to o disk drive — but
there are no mechanical delays to slow you down. Requires 6
MHz CPU 8085/88, Disk 1, and System Suppor 1. Package
includes RAM and M-DRIVE sofrwo... | byte_magazine | 1980_1988 | 1,981 | 2,908 |
The Radio Shack Color Computer
has an amazing amount of circuitry
built into it for the price. One of its
most interesting features is the joy-
stick interface, which allows you to
control the screen cursor position by
the use of two joysticks, Actually,
this use of the joystick is one of the
most mundane applications ... | byte_magazine | 1980_1988 | 1,981 | 2,965 |
AB DIGITAL DESIGN LABS producs are avallable through California Digital
(toll-free orders only 800-421-5041) and other fine distributors. OEM users may
buy direct. Specification sheets on request. Manuals may be purchased separately
for $25.00 each, refundable on order.
Circle 1 on inquiry card.
DIGITAL DESIGN LABS
... | byte_magazine | 1980_1988 | 1,981 | 2,942 |
Each set of lines is memory-
mapped in the Color Computer: us-
ing BASIC’s tools, a PEEK at 65280
can be used to read the JOYIN bit,
while a POKE to 65312 will output a
value to the DAC.
Joystick Software
From here on, the problem is “sim-
ply a matter of programming.” The
first task is to find the X/Y position of
e... | byte_magazine | 1980_1988 | 1,981 | 2,971 |
Listing 3: This BASIC program shows
that the JOYSTK command is too slow to
keep up with rapid joystick movements;
you can't get a srnooth plot on the screen
unless you move the stick very slowly,
100 REM PROGRAM TO PLOT POINTS
FROM JOYSTICK
PMODE 4,1: PCLS: SCREEN 1,0
PSET(JOYSTK(0)*4,JOYSTK(1)°3)
GOTO 120
POWER-O... | byte_magazine | 1980_1988 | 1,981 | 2,829 |
Experience. As of April, 1981],
there were over fifteen hun-
dred Morrow Designs hard disk
systems successfully installed.
In fact, over 200 independent
systems integrators now use
our hard disks to solve their
mass storage problems.
Performance answers. Morrow
Designs hard disk systems have
been benchmarked against al... | byte_magazine | 1980_1988 | 1,981 | 2,973 |
NEC aame has come to stand for has been builll-In, toa.
Compare the competition, and then call Consumer
Computers [or the NEC PC-8001.
We carry alf Callforala Computer System Cards. . CALL
We stock mony more Items Jor the Apple Il.
Please coll or write for current peice fist.
CALL OR WRITE FOR
4 " rl =) 1I-TILiA ... | byte_magazine | 1980_1988 | 1,981 | 2,956 |
Read-Joystick. The main code for
the joysticks is at $A9EO (see listing 5).
This code is entered without param-
eters and stores the values of channels
0 through 3 into page-zero locations
$15A, $15B, $15C, and $15D.
The X index register initially points
to the address following the joystick
variable storage location.... | byte_magazine | 1980_1988 | 1,981 | 2,961 |
paddle Suiton
0 causes
movement
that con-
tinues until
an opposite
thruat Is
applied
buiton on pa
0 (or G an
M keys)
causes move-
meni that
continues un-
iif an oppeo-
ile ihrust is
applied
Hyper-
space
Avail-
able?
pace
he (any
ay ex:
cepl 0
through 9)
Space
screen
flashes to
denote
hyper-
space
jump-... | byte_magazine | 1980_1988 | 1,981 | 2,985 |
a Ls = “ ew a Tay 2B
All VOL hay a TO SUDDTy IS B 2 SOolMoe
a ei end 8 mn ake tee the
md clei | 1eSocd = 8th
eae re 3 | fy rar AT Aare - Fa 7 i
est manufacturer of personal com
ine. S61 renresents ine /a
f fh
q mie tay { eames ‘Le A! 181)
rae x L eS
DIG Ip Q) ere | is Freres 1
"TT my a = 5 FE we
al js eat | ~ E _ | 4... | byte_magazine | 1980_1988 | 1,981 | 2,842 |
blue even though the DLI routine
keeps stuffing pink into the color
register. This is because the operating
system's vertical-blank-interrupt
routine keeps stuffing blue into the
color register during the vertical-
blank period. The blue color comes
from the operating system's shadow
register for that color register, E... | byte_magazine | 1980_1988 | 1,981 | 2,973 |
lag compere leat agi tee ig RL POT “UR Re Fee: ote Siri, DTN replat THGIO YS Shari iE
til
mit
for computer professionals:
It took hard work and Buy clare -direct and your only cost
experience for you to
would be transporta-
become a leader. Same 4., _ . tion charges to and
here. Founded in 1973, from Inte e... | byte_magazine | 1980_1988 | 1,981 | 2,993 |
vector to DLI
enable DLI
puts from the keyboard. If keypresses
are not acknowledged, the screen
jiggle does not occur.
Kernels
The display-list interrupt was
designed to replace a more primitive
software/hardware technique called a
kerne). A kernel is a 6502 program
loop that is precisely timed to the
display cy... | byte_magazine | 1980_1988 | 1,981 | 2,995 |
From THE LEADER...
We just might be the largest independent small systems dealer in the country. Here’s why:
COMPUMART has been serving the computer needs of industry since 1971.
We stock. for immediate shipment, only those products from the finest micro-computer
manufacturers.
WE HAVE IT!
FROM ROCKWELL
... | byte_magazine | 1980_1988 | 1,981 | 2,885 |
== . The Grappler” intartape
ecard \5 he first lo prowrels
onboard ienware for Apple
Nie Mesolulion dol graph
ie NAAN dees Ihe Wet
need to load clumey salt:
Wir roulines fo dump
Aree Graphics — i's all in
Aachip Actually Ws ai
E-PROM), Aric i 6 rape
able 15 atctirmndnale ie Anade Eason Mx70, BO"
and 100 IDS Paper Tiger... | byte_magazine | 1980_1988 | 1,981 | 2,988 |
texts. Bar code readert gad bootsirep software are svalledls fe |
Apple Pascal machines.
Dealer Inquiries Invited
FREE BONUS)! With each order, we'll send customers a per-
| sonal copy of the booklet ‘ Software Delivery Media’
describing out NATI Texd Format’™ printed bar code technology
es NORTH AMERICAN
3 TECHNOLOG... | byte_magazine | 1980_1988 | 1,981 | 2,932 |
When this frontier cell is added to
the spanning tree, some of the cells
adjacent to it (those having a zero
value) become new frontier cells,
and their locations must be inserted
into the R and C arrays. Adjacent
cells with value —1 are already fron-
tier cells and already have their loca-
tions recorded in the R and ... | byte_magazine | 1980_1988 | 1,981 | 2,998 |
commodore
COMPUTER
JECI
Minicomputer performance in
Multi-user. Multi Tasking. Decision T’ memory man- compatibly with UNIX? Thus, UNIX programs will
agement hardware includes a memory map that is compile directly and UNIX documentation 's almost
similar to the IBM 360; and IBM 370° It supports totally applica... | byte_magazine | 1980_1988 | 1,981 | 2,946 |
T/Maker I turns your small business computer into a
powertul, sophisticated and convenient teal. A tool that
will save you money, time and energy, and eliminate the
need for costly time-sharing.
With T/Maker I you can easily perform an unlimited
number of analytical and reporting tasks which integrate
numerical and te... | byte_magazine | 1980_1988 | 1,981 | 2,967 |
* THE SYMBOL {Si TO 510} THAT CONTAINS THE VALVE ON THE TOP OF THE
* STACK. A VALUE GF ZERO FOR STATOP INDICATES THAT THE STACK IS
+ EMPTY
PUSH HACR
STATOP SET STKTOF +}
lFEQ STKTOP-1
S1 SET 10
Li SET ISLONG
ENDC
IFEG
S2 SET
L2 SET
ENDC
IFEQ STATOP-3
S53 SET \O
La SET ISLONG
ENDC
IFEG STATOP~4
54 SET \O
L4 SET ISL... | byte_magazine | 1980_1988 | 1,981 | 2,982 |
ELSE A LONG BRANCH [S GENERATED.
Listing 14 continued on page 212
EPSON MX-80 peaunasen SCALL
BO cps/9x9 matrix/Lower case with
[rue descenders/Bi-directional &
Logic seeking/Adjustable tractor/
Expanded printing/Block graphics/
Farms control/Compressed printing/
Double-strike printing/Correspon-
dence quality/Em... | byte_magazine | 1980_1988 | 1,981 | 2,899 |
Introducing the Hayes Stack
Chronograph, the newest addition
to the Hayes Stack microcomputer
component series. It allows your
computer to accurately record all
of your system activities by date
and time...down to the second.
Thanks to a battery back-up sys-
tem, you never have to reset the
time when your computer is o... | byte_magazine | 1980_1988 | 1,981 | 2,979 |
you
VIDEX 30 x 24 VIDEOTERM
AND KEYBOARD ENHANCER
$ CALL $ CALL
Videoterm Keyboard Enhancer
ALS “teariem” 50 columa card $295.00
aintain optimum software compatibility industry wide, By pdding the
deoterm 60 x 24 vidsoboard and keyboard enfuncer your Apple acts
miay to CAT Termineis on larger syeterns. Combines t... | byte_magazine | 1980_1988 | 1,981 | 2,979 |
LWWBO CASE... . 4 sateen peo » wo gE
The straagline design of this metal cose wi]) fouse the LAWEO,
LYM System Expansion, LAWEO Keyboard, power supply and fan,
LXDoubler lH, or LAW Date Senarator, This kit inctudes all the
hardware to mount at} of the above. Add §12.060 for shipping
FARTS “me FROM LNW RESERARCH
t... | byte_magazine | 1980_1988 | 1,981 | 2,967 |
DIGITAL STORAGE. All the conven-
lent fectures of digital storage:
refrash display for easy Wewing.
precision measurements, urn
limited storage time, signal pro-
cessing, waveform storage on
disk, and hard copy output. Now
with the Model &5 Oscilloscope
and personal computer combin-
ation, you can create your own
sophi... | byte_magazine | 1980_1988 | 1,981 | 2,990 |
lion ag
Orthosade Gorpere ho indexed into a
pe Secumale/Fius, we thought WE Gown 168K byles of dal hie ae and
designed he world 2 gimple, easy-10 aBK-byle multi-level Index wil!
i for ganerating, Sart
_ ne-trills method
a and coliating tables, of conten
nis indexing without |
i‘ something we nad
noi foreseen. 7m
Bu... | byte_magazine | 1980_1988 | 1,981 | 2,978 |
The 89 comes with 48K bytes RAM, expandable to 64K.
It has two Z80 microprocessors, one for computer functions,
one for terminal functions. And three serial I/O ports for
interface with printers and modem.
The video display features a 12-inch diagonal, high-
resolution CRT that's easy on the eyes. It displays up to
... | byte_magazine | 1980_1988 | 1,981 | 2,995 |
BREAKTHROUGH!
INN
IF ASN THEN 8@
40 FOR B=N+i 70 A STEP-{:IF B=8 THEN S58 ELSE S#CB=SECB-1 5: NENT
Listing 1 continued on page 238
Automatic
memory manage-
ment of large files.
Compare, contrast,
review or analyze.
A MULTILWINDOW TEXT EDITOR FOR UNDER $200.
Imagine this kind of productivity: Your 4 ... | byte_magazine | 1980_1988 | 1,981 | 2,949 |
tested into a product; it must be built in from the beginning
by people who know what they are doing.
And we do.
We formed Designer Software because we believed that the
quality hardware of today demanded software of equal
quality. It took a lot of time, sweat, money, care, experience
and toleni to make that belief... | byte_magazine | 1980_1988 | 1,981 | 2,981 |
P.O.BOX 1847 SAN DIEGO,CA.92112
7343-)J AONSON RD,SAN DIEGO,CA.3921141
(714) s71-s3s371
More byte than any other
system on the market, in fact.
CSave (Magnetic Cartridge
Save) is not just another
backup system—but a true
file-oriented archive system. It
gives you a full 67 megabytes
of on-line archive/backup
storag... | byte_magazine | 1980_1988 | 1,981 | 2,936 |
Minimum System Hequirements
45K @ CP/M e 280 © Floppy Disc
Other Disk Formats © &' Single Density
Veclor Graphics @ Micropolis Model 2
Customized Versions e TRS&0 Mod II,
TRS80 Mod fll, APPLE, OSBORNE,
INTERTEC, VECTOR , ZENITH
Appis, CP/M, Indertec. Micropola, and TASSO are
iradamarks ol Apple Computer. Digital Resear... | byte_magazine | 1980_1988 | 1,981 | 2,986 |
module will more likely burn
out the house fuse than the
module, Because of this, the
appliance module should be
used in high-exposure areas
like outdoor lights. There is a
fuse in the appliance module,
but its job is to protect the
line and sensor circuit from
each other and is, in my opin-
ion, very unlikely to blow,... | byte_magazine | 1980_1988 | 1,981 | 2,992 |
Competition
Variable difficulty level
Coopsration
Fantasy
Kind of game:
Graphic game
Math game
Word game
Siatistica) significance levels:
*9<0.05
**9<0.01
260 December 1981 © BYTE Publications Inc
score, The ultimate goal of the game
is to knock out all the bricks.
My survey and other casual obser-
vations i... | byte_magazine | 1980_1988 | 1,981 | 2,968 |
he HP-85.
Leave it to Hewlett-Packard to put a lot of power :
ina little package. Plus flexibility, portability, and all weput ital togethesfonyoul
the other features you'd expect to find in a personal, For further information, phone toll- free,
ae ‘ 800-547-3400, Dept. 283E, except Alaska/Hawaii.
professional, integra... | byte_magazine | 1980_1988 | 1,981 | 2,940 |
solve your problems wherever HPyOC....... $429
YOu go.
lr exit EL HP42E SCI
; Ml WISTATICS ............ $49
| HP39C PROG. SCL-CONT.
| MEM..
| HP34C ADV. PROG. SCI,
CONT. MEM. .......... $127
| HP37E BUS.CALG.......866 HPG7PAOG.CALC. ., $315
| HP38C ADV FIN. PROG. HP97 DESK.
CONT. MEM. .... ee $127 PROG, PRINT. ....,.. ... | byte_magazine | 1980_1988 | 1,981 | 2,987 |
Non-volatile Format Retention—a unique programming keypad
featuring a non-volatile memory allows the user to configure the
DS180 for virtually any application. Top of form, horizontal and
vertical tats, perforation skipover, communications parameters
and many other features may be programmed and stored from the
keypa... | byte_magazine | 1980_1988 | 1,981 | 2,993 |
“Flegtaterd Trademarks of
Apple Computer, Inc. and Aten, Inc.
PLAYS FROM
KEYBOARD OR
JOYSTICK
‘ Plays in
keyboard of
BYTE December 1981
the learner's knowledge so the pro-
gram can automatically adapt to the
learner's current abilities.
Other Factors—In concentrating
on what computer games can tell us
about h... | byte_magazine | 1980_1988 | 1,981 | 2,971 |
A Simple Program to Teach
Children How to Tell Time—In this
example I will suggest how to in-
crease the interest of a proposed com-
puter systern for teaching the rela-
tionship between three different nota-
* & e WRITE OR CALL FOR FREE CATALOG ® & x
We test all systems thoroughly before shipping. We integrate the C... | byte_magazine | 1980_1988 | 1,981 | 2,969 |
Box Position Background Bar Colors
centered
centered
centered
left or right
left or right
left or right
one corner
one comer
one corner
one corner
black only
black of gray
black or grey
black or grey
lett and right"
feft and right*
left and right*
corners *
corners*
corners *
change at 6
change al 12
change at 1... | byte_magazine | 1980_1988 | 1,981 | 2,919 |
HRZ-2-3200, List $3695........+.... CALL
HRZ-2-64DD, List $4195..........-..
HRZ-2064, List $4496... 0. we eee eee
NEW... NORTH STAR ADVANTAGE. CALL
Ms Seatac maneenencunee Mm Less 30%
ALTOS
PLEASE CALL FOR PRICES
By INTERTEC
= 810 Full Option. ..... 0. cece cen ee SISSY
' : . — . 820 RO Basic... 0... ese sete een gene... | byte_magazine | 1980_1988 | 1,981 | 2,935 |
by Stave Ciarcia
For ihe engineer, computer
techniclan, student, and anyone
interested in building a com-
puter rather than buying one,
this practical guide shows how lo
build » working computer based
on the Zilog 280 microprocessor.
Each computer subsysiem is ful-
ly explained and supported by
proven design and test... | byte_magazine | 1980_1988 | 1,981 | 2,912 |
When your turn is finished, you hand the push buttons
to the next player. Mixing them up makes no difference,
since the program automatically determines which switch
is in your left hand.
I dreamed up the game and wrote the original program
for my Apple II in one weekend. I tried it and then intro-
duced it to my wife... | byte_magazine | 1980_1988 | 1,981 | 2,973 |
Intelligent disk controller doubles the disk
storage copacily of the Apple. Campartible
with existing CP/M, OOS oF Pascal softwore.
Operotes concurrently with mini disks. Load
ond run other CP/M ond Pasce! disks or
8" Floppy disk controller
Duol density - Single/couble sided
Four Times the Byte
Twice the Byre ransp... | byte_magazine | 1980_1988 | 1,981 | 2,996 |
(small power supply)... $ 200.00
8000 — Cabinet for desk. top n mainframe
(standard power supply)... ........ ...... $ 255.00
“All cabinets come ae with power of manos fan
and internal cables. snes 2h p
computer ;
products, inc.
Circle 33 on Inquiry card.
SYSTEMS WITH SPICE from
CALIFORNIA COMPUTER SYSTEMS
F... | byte_magazine | 1980_1988 | 1,981 | 2,969 |
in it, two people run the same game on two computers,
which are connected by an RS-232C link (or. for the Apple.
possibly a 3-bit duplex connection through the game port).
For an exampie of what's possible using two computers,
see the review of Commbat on page 100 of this issue.
ecseeece The Deadline sesees
Entries... | byte_magazine | 1980_1988 | 1,981 | 2,986 |
memory by using a space-compression technique: consec-
utive blanks are counted and stored as a single byte with
the high-order bit turned on.
This technique provides ample space for user pro-
grams. In a TRS-80 with 48 K bytes of memory, there are
about 23,600 bytes for user programs. With strings of
blanks compresse... | byte_magazine | 1980_1988 | 1,981 | 2,955 |
8 caanostic 5
y oa ———
ASEH ne Abs Languoge
i Convers il “wet
. + hd i |
Still more: Editor; Hard = ge Fst copy trom
= a ht olnat OB gig)
cal
I Prica
wilh Maeunl
ff Protunt Anas ony
Al amy avaTam
a eee on
Filo Wanhagaerent,
8 User Accounting:
Device Oreyers
ir Frail Spanier,
Gengeal Text
f Eder ete j
SINGLE-WISER $17... | byte_magazine | 1980_1988 | 1,981 | 2,958 |
“Microprocessing Essentials includes 32
taped lectures by Dr. Barry Paton,
designed as a comprehensive course for
engineers and technologists tn industry.
The package includes a single-board
computer, 4 experimental boards, power
supply, software library, and 400 pagesof
lacture notes. Show this ad to your
company's ... | byte_magazine | 1980_1988 | 1,981 | 2,972 |
What's more, MILESTONE is one of the
easiest software packages to use. Once
t hdd peg thegdeee
the working days, skil! categories,
wages or salaries and time increments
are defined, than MILESTONE is ready
to do the work for you. Change, for
instance, the estimated completion
date of a particular time-critical task... | byte_magazine | 1980_1988 | 1,981 | 2,989 |
|=! MICROCOMPUTER
APPLICATIONS
Depl. 69 PO. BOXE
Suisun City, CA 94585
(707) 422-1465
| want to grow with software know-how.
Please send me:
TITLE
ary
__|micro or sys | siu.9s|
| |worp proc | $ 8.95 |
| jorersys |S 8.95)
___|svstem arco | $10.95
Calif. residenis add 6% sales tax
(] $1.00/Ao0k— 4th class book.... | byte_magazine | 1980_1988 | 1,981 | 2,938 |
word in existence nor could it max-
imize the selection and placement of
words, The program described in this
article is capable of handling every
two- and three-letter word conceiv-
able and it maximizes the placement
of the selected word,
For ease of conversion, the pro-
grams are in BASIC, The machine re-
quirement... | byte_magazine | 1980_1988 | 1,981 | 2,979 |
Size: 16" x 13”
Same a5 2 8" floppy
drives. Requires.
+5¥ 1.5Amp
5V 1DAmp
+12V 1.5 Amp
The SB-80 single computer board along wilh lor2 Sinchdisk drives.a
power supply. an enclosure, anda CAT give you a camplete computer
syslem thal can be uséd for either business or personal use and will
stil allow jor upgrade opti... | byte_magazine | 1980_1988 | 1,981 | 2,949 |
32K Static Aum ‘Unisalect: 3° 40 WAL OTHEMION
| OG EAPUI*MHAT WOHD MET Ti) SE8Ld OF Woke
features: Modal 32KUS al If AD ALe1orit mo
© Fully Sati uning 2k by & NMOS chips. © 18 or 24 bt A Deer RTRS SA zaenb 1 VERN qgueNeeD
address. © 6/16 bit wide datz. @ Bank Select by port and atl «AL GAD’ bas ° « —eB-2) KOER Ot! = ot... | byte_magazine | 1980_1988 | 1,981 | 2,969 |
HP SCD INTERFACE (SERIAL) . 445. 00
HP PRINTER INTERFACE
(CENTRONICSTYPE) .
HP-41C
HP 41C CALCULATOR .
HP 41CV CALCULATOR
HP 41 MEMORY MODULE
HP 41 QUAD MEMORY MODULE 93.95
HP 41 RECHARGEABLE
BATTERY PACK ......,...,. 25.95
HP 41 CARD READER
HP 41 PRINTER. 289.5
HP 41 STAN DARD APP = 28.00
HP 41 STATISTICS ... | byte_magazine | 1980_1988 | 1,981 | 2,981 |
21592 Maritli Sircel .
Chatsworth, CA S13)1 8 Cal (2339) 882-9007
Fe eae neve egies dee, (SPO SP me PA ES) ARC
« aS ASE Tet SSS Wel PawSh | aT MRO PTE eet
Listing 7: SHORT, a slower version of the program SCRABBLE (listing 6), needs only
32 K of memory to run,
1 GAL Goin
READY
b ed
f TS THTS FAUST MRD BY CANS a... | byte_magazine | 1980_1988 | 1,981 | 2,994 |
THE FORMULA™ will run on any 8080 or Z80 computer
with CP/M’ 48K RAM, 300K total disk storage, and a CRT.
DMA « WE SPEAK YOUR LANGQCAGE.
THE FORMULA™ For Success can help you build
systems. Now, the General Accounting System,
created with THE FORMULA is available at no
extra charge.
The General Accounting System ... | byte_magazine | 1980_1988 | 1,981 | 2,960 |
Cartwheels by Scott kim
Fitted with intriguing designs, words that read the
same right-side up and upside down, words within
words, and unexpected symmetries, (hese composi-
tions create a fresh way to took at the
alphabet. invertible writing agpeals to
everyone who loves beauty in mathematics
ISBN 0-07-034546-5... | byte_magazine | 1980_1988 | 1,981 | 2,952 |
| OKIDATA Microline, C-ITOH Starwriter, Listing 12: The word SPEARED has been added to the Scrabble board, The computer is
Lexicon Modems — everything for your now ready for the next mave.
‘tale fas 2 es 4 / Ad 1
" 1 2/ 34 AS ES Bf Pe BY IF 10710 712713 47144157
We have the largest hventory in the North FAIL IF LS IBS ... | byte_magazine | 1980_1988 | 1,981 | 2,970 |
GIVE THE FIFTEEN LETTERS FOR LINE 5
12345478701 24945
SE SEE E AISA eee
GIVE THE FIFTEEN LETTERS FOR LIWE 4
129454678901234a5
GIVE THE FIFTEEN LETTERS FOR LIWE 7?
123434678901 2345
GIVE THE FIFTEEN LETTERS FOR LINE 8
123945678901 2345
Gas BaEDERaeAoS
GIVE THE FIFTEEN LETTERS FOR LINE 9
123456789012345
BEERS ... | byte_magazine | 1980_1988 | 1,981 | 2,962 |
e Plug compatible with the AIM-G5/SYM expan-
son connector by using a right angle connec-
tor (supplied),
© Memory board edge connector plugs into the
6800 544 bus.
Cannects to PET using an adaptar cable,
® Uses +5V only, supplied from the host com-
puter.
*® Full documentation. Assembled and tested
boards are gua... | byte_magazine | 1980_1988 | 1,981 | 2,975 |
Samuel C. Flarman, engineer, in
The New York Times Book
Review:
“Mr. Kidder's splendid book
goes far toward reviving
Huxley’s prophecy...of a worthy
literature of science and
technology.”
AVAILABLE AT BOOKSTORES OR CALL TOLL-
FREE (600) 343-9205—and ise your American
Express, Visa. or MasterCard (5100 will ba
charge... | byte_magazine | 1980_1988 | 1,981 | 2,954 |
3060 PAINT TABCU)5"";
3070 PRINT TAB(7)+ "DESCRIPTION";
jO80 PRINT TABC 21); "PRICE:
JO$O PRINT TAB( 31) ;"PRICE";
3100 PRINT
3110 PRINT TAB(2);"%-—--";
3120 PRINT TABLE 7) 5 tee
3190 PRIUT TAB{ 21) 4a.
3160 PRINT TAB 3G) 7 Mewar nt
3150 PRINT
32160 FOR Is} TO M
3170 aA=QN{I)
3180 Weed
: Dee
3190 cOSUa 60000
32200 PRIN... | byte_magazine | 1980_1988 | 1,981 | 2,975 |
With dBASE II, you'll write programs a lot
faster and a lot more efficiently. You'll be able to
write more programs for more clients. Even take
on the smaller jobs that were out of the economic
question before. Those nice little foot-in-the-data-
base assignments that grow into bigger and better
bottom lines.
Your co... | byte_magazine | 1980_1988 | 1,981 | 2,904 |
PRINT
INPUT "IS THIS THE RIGHT LINE? ";z$
IF 2$<>"¥" GOTO 260
Sé(Lij<ne
PRINT "TYPE LINE "sLN
GOSUB 640
GOTO 190
THFUT “STARTING PROGRAH LINE? ";PLC
INPUT “INCREMENT FOR PROGRAST? "; 1c
FOR I=1 TO NL
L=LEN(S&(T))
FOR J=1 TO L
IF L=0 THER S$(I)=STRS{PLC)+"?*
GOTO 480
IF LEFTS(S${I),1}<>" "© GOTO 450
S$(1I)=RIG... | byte_magazine | 1980_1988 | 1,981 | 2,966 |
ei marker symbol for L8 program fisting in C programming language
other deacripiors LS other programming language
366 Uvcember 196) © BYTE Publications Inc
FMS=80
Organizes Your
Organization
rating reports, generating other data files or on-
line updating of input files that already exist
FMS-80 is able to ca... | byte_magazine | 1980_1988 | 1,981 | 2,983 |
Borrmenh, Fobert. art 2:7 dull? pa&z-aj eee
Programming instruction
Decisions, ducistons [* of = signs for oumbars}.
Gass, Geoffrey. col LI 5:5 MayBO plSO «es
Programming Instruction / Matheeatics
Designing tha “Timy Apseahier™: defining the
rop len wichs, Jack, art £3 7:4
prey pho-EF eoee Avvembler / Pragramsing
Ins... | byte_magazine | 1980_1988 | 1,981 | 2,993 |
[aterface yout commuter to @ pPlatiag calculator,
Agteson, Aobert. api £3 3:12 18 p™.39
ere Interface / Calcolalar f Printer
MATHEMATICS
Sulfd trys macthematicet function amit, part 2:
software. Gutorte, A, Srokt. art £3 isl
Oct? prd-8O *** Mathematics / Programming
Instruction / Hardware Consteuct ion
Integer math... | byte_magazine | 1980_1988 | 1,981 | 2,970 |
Qn the use of fourier oe to azplore
aialoies a thes, Owens, Ad. a tL 8:4
Aorst pil4-326 0 *** Aiortythe / Fourter
Transl ares
ALGORITHM
“My Gear Aunt Saliy* algorithm. Srappel,
Robert, art 1:6 Feb?6 old-25 ***
Programming instruction / Definitions
Graphics teat aditor for music, part Zz:
algoritem. Welson, Randolp... | byte_magazine | 1980_1988 | 1,981 | 2,984 |
and Cybernatics’ unique TRS-80", Model If CP/M offering
high performance, hard disk support, and CP/M corm-
patibility.
Trademarks of:
1—Ryan MoFarland Corp, 2—Digital Research, Inc,; 3—Tandy
Corp., 4—Phaae One Systeme, Inc.; 6&—Ball Telaphona Laborator
les, Inc; G—American Buainesa Syatema, Inc. 7—Structured
Systems... | byte_magazine | 1980_1988 | 1,981 | 2,817 |
Simlation / ames / 6400
Miastle Defense «es AGM. Moskowitz, Robert. ar
G@:12 DecSh pO0-90 °°" Soitware Review /
Games / Apple Il
Olympic Decathlon. ater, David. sr 6:42
Dech] pl4-78 *** Games / Software Review /
Apo le 1!
Space qyame. White, Loring. art Li 4:10 Gente
PiMh-199 one "hanec / Attatre
Star faiders. Williams... | byte_magazine | 1980_1988 | 1,981 | 2,975 |
Data entry /@ Gachup primer f Gank awitenimy /
Computer retabl storw, Charcla, Steve, cal
6:6 jundl pidP-MG ee
Oigital aemomctor / dovabick Interface ?
lodical guide / $50 computor. Clurcla,
Stave. col Ssi? Deeio pila-i70 44s
Qouble-siding dishetie, / Minimum lal teal
ecru igen &. us seasne,e Clharcla, Steve.
col &:... | byte_magazine | 1980_1988 | 1,981 | 2,985 |
Minenum Order $10.00 Add $2.00 to cover postaye ang handing
a Nose Crags and VISA weicomed Please inchale your charge card
quite inlerbank number and exprbon dale Sore ites ae subject
la prin sade Nol respensitwe fir tymas. Stored pricing may vary froin Mail
De prong We reserve the rigit ta sudstlute manutacturer
ATL... | byte_magazine | 1980_1988 | 1,981 | 2,776 |
PROGRAMMING INSTRUCTION
BASIC bit twiddling. Owens, Saiph. cod Li 4&2?
Wwi?7d lS? *** Programeing lestruct ion
BASIC formatted outpat (ARIAT SIM subroutines} -
Boch, WiVitam. art Li 4:2 Fenda pl 76-156
sev lth lity Program / Programmiag Inttruct on
GASIC to assemtly 1 linkage. Fitzgereld,
Pat. col Ld 3:7 Qui7e pll2-ll4... | byte_magazine | 1980_1988 | 1,981 | 2,976 |
TRS-20 MODEL
Infinite BASIC and inftnite Business. Mitcnell,
Seott. @r 6:2 Feb@l pe6-102 *** Softeare
ani ite f Utility Program / 185-80 Medal 1
Guide to Beudot machines: part 1, deseription of
gvatlable devices. McHatt, Michael, art 2;8
hor?? gig-1}?+ **© Printer
Guise to Saudot machinet: part 2, nner tiene
techniq... | byte_magazine | 1980_1988 | 1,981 | 2,951 |
Soee wore notes om performance vralwatton, cal
tL 5712 Gec8O prob te
mre on performance evatuation, Herd,
Martian. col iL 5:11 MowB p292 a
Some musings on Boolean algebra / Rado
atmuletian an microcemputers. ar i da AS
pllH et
Stepping nator primer, part | / Ppiyphony sade
easy. col 4:4 Apr?9 pl sue
Strike « MATCH / JE... | byte_magazine | 1980_1988 | 1,981 | 2,966 |
APPLE HARDWARE 16K.......$1075
Paratlel Printer Inierface Card ........ ee Ss cae 160 48K ....... $ 1 149
Communications Gard ..,..,.-..--+++e+eeeeeee 165 Disk][Drive ..3529
High Speed Serial! Interface «tp ia, .e ve, BOON ayinn el Ov ee-alewe 160 with Controller & Dos. 3.3
Pascal Language SyStem .....0 22.220... 200 n... | byte_magazine | 1980_1988 | 1,981 | 2,979 |
Electronic home banking fTow caf Dak on IED.
col 6:1 JanBl p19 *** thon / Money f
TRS-40 Mode} |
COMPUTER ASSISTED {NSTRUCTION
Aniaation in computer-aselated Insteycttion:
replication of DMA, Eckart, Michard. col L
6:7? dul@i pJS8-366 %¢89 Animation / Sclance
f TRS-80 Modad 1
Books as an ant idate to ine CAL fives, ... | byte_magazine | 1980_1988 | 1,981 | 2,895 |
Mow to computerize your andel railroad. Brom,
David, art 2:7 wul?? piz-2] eee 1§)-11
UITTER (blinking lights on an Alkairj®. Speer,
Gordon. col t3 1:10 wunlé6 p54 ven altaie
Microcomputer end tne pipe organ. Raskin, def.
art 3:3 Mar?S p56-63 *** Music
Microcosputer as a laboratory joatrument.
Cosgrove, Ganiel. art LS &... | byte_magazine | 1980_1988 | 1,981 | 2,988 |
Torn power COSMAC VIP tata a frequency counter.
Modis, Andrew, art LJ 6:2 Feb8l o318-32]
_ eee Frequency Founter / iRility Program
A0M.3 amulator for the Hazeliine 1500,
Sroamuxar, Charles. cod} 1 6:4 Aprét
pi-108 ** Terainal f Urility Progres
388 = December [981 © BYTE Publications Inc
CP/4 (CONTINUED)
Anserr /... | byte_magazine | 1980_1988 | 1,981 | 2,990 |
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