Circle 60 on Roadflr Service card.
DELUXE RS232^
QCommodore Clinic
INTERFACE
kind of monochrome monitor [some
times tailed a 1S&W monitor) has an RCA phono connector (a single pin surrounded by a shield) and works fine on the VIC, C-64 and C-128, as
well as on Apples. EBMs with, color cards and mosi other computers.
To use this type of monitor with the CM'28 in 80-column mode, you must obtain :i suitable cable. Both Com modore and other suppliers have al
ready announced special cables for this purpose; some contain an extra connector and switch, so yon can use
PROGRAMMING Q I am writing a program in which I want In use the Gettt command to retrieve both program files mid dntafiles from the Datasscttt: Datafdes come across fine, hut the 6-1 doesn't like rending program fde> ax if they were datujiles. After retrieving the first buffer filU Of information, it lotiks for the next file.
Is there any way to
force the 64 to continue reading the pro gram file? Deerftcld, IL
es without changing any plugs.
with a power connector that is supposed
In plug into the cassette port on a 6-t. There's no way it mil! fit into the Pltts/4's round cassette port. Can I cut this wire and replace plugs?
face and merely needs to be con point
as
the
unusable power supply wire.
the
128 on
purpose? Torn Maori' Birmingham, AL
A: It's not only possible; that's just what happened. On both the Plus/4 and C-128, there is an application on
the
fl523? pnnrei
SuapoM& pirs 2-8 2G Select 300 6W 1200. fori m
NEC andmxie Include^
511 cablt w i rh. i jti j ^ or temaie connuciw {spi?ci P/ rthicti) Cabselto
The problem is ihai programs and
data are stored very differently on tape. Datafiles are stored in neat 191characlc!
blocks, separated by two-
second Inter-record gaps, which al low the tape to hall and restart with
main
and loaded directly into Basic's pro gram area, rather than into a buffer. Your computer can read the first 191 characters of a program into the file buffer as though the program were a datafile. However, while thai data is being processed, Basic halts the tape. When the tape restarts, Ba
sic looks for another block of data to read, bui does not find it until the start of the next program.
The solution is [o rewrite your pro gram in machine language and store it
Q: l\ it possible that Commodore has hjt
socket
a serial bus punier pnierface proviCing lull R5232 yg^a!^ lor an
rjr eiierndl power
AilrJ S3 50 tor tfilppflifl
Surjgesied rcuil
100% 128 COMPATIBLE
SI 19.95
See your local dealer or
CALL (206) 236-2983 30 day money kick guarantee on ail pnducte
Visa and MC
welcome WJile IqusiIyouwi^hlDheon ^i^pmiiilrruirke11nj)survey
'"*"" DEALERS CALL USI
y
^P.O. BOX43-DEPT.'9-MEnCER IS., WABBOJO^j
ing wire in that cable already brings the necessary voltage into the inter
ROM
,'j
blocks (recorded twice in succession!
terface. Most likely, the correspond
an empty ROM socket in
',:■>
PRINTMASTER/S (RS232)
APONY
proper voltage on pin 18 of the Centronics parallel connector, into which you plntf a cable from the in
same
: t^ic [■ro./.v: :r^^!(i va,:-. l- .i :*:■-* e-i-ncie-. Add 12 00 lo. stopeiiig Ej*5«I"-
rOmniironix)
other way. Most printers supply the
the
mir*c votlaojrt Uurc MAiLial includes a Lypc in Basic trrrnmal
out losing data. Program files, on the other hand, arc Stored as single
supply +5 volts to the interface an
[o
RS?32 cwiliguraiion lto jrnl <nc3udn j 3 lout cable with nllvr a male oi l«nWOBJSOJm«loi(5[>«piywliir,ri( RS2M plus and
Pete Baron
A: Yes. but that's not necessary. Jusi
nected
is Msi ConnwiB'e mnsaiit* R5232 inielatc available loi siy
wOVir>g *iln Comno'Jo'C users wta Wfd an RS232 Inlertace It imports all slanosd HS232 omnsliom [M 12. 20. 72} includinG. Ring DelFtl and Hi Sfieed Inflicalu' Four ^vildies in tne BS23! covb allow you Io sei itie umi lor virtually any standard
ur»flS232 vcwir.^r (nvjn h Jk i
A: No! with Basic's GET# command.
Q: I have a Plus/4 and aprinter interface
Inlcrlace 6 its coriccl ctoicc Any compas" w<ll snow 001 II
pri»' it* Detae KS232 iiMoiace 15 me oiimmaiiw oi 3 yens o<
Tlis Is an RS23? VMJM oi our iamou^ Pr<n[master/rG II \&
Will Johns
the cable in boih 10- and HO-column
W#tner you warn io Hniimumcaie wilh 3 modem seial P»ntw.
anniliB (omputci. a any oilier RSJ32 device Ir* Dekiw HS232
circuit
board. On the Plus/4, the socket nor
in an out-ol-the-way part of memory. starling al SCOOl), for instance. You may then treat all of Basic's workspace as a huge buffer and read all oft he pro
gram in at once, (hanks to the greater speed ot machine language.
Cuc'e 220 on RestJer Service card.
And your Earls and Viscounts. If you've Rot royal ancestors, we have the noble software that can help you trace them down.
Family Roots and your Apple, IBM,
Commodore, Kaypro* and many others, offer individual and group sheets, charts, name indices, general search and text
Put up your
dukes!
capabilities. Adapts to most disk drives,
prinlers, and screens. You get more utility programs, plus lots
of personal control. A comprehensive (new) manual
is included. All for just $185.
Q: // (/ filename listed in a directory ap
Write or call today
pears with tin asterisk immediately fol
for more infor
lowing it, what is the proper procedure
mation and a
to take?
free brochure.
mally contains [he factory-supplied
Charlvs Tisher
"3 + 1" program, bin other ROMs de
Lockpori, IL
Qulnsept, Inc.
signed for use in I'lusM cartridges can
P.O. Box 216
be put in thai same socket. Although the socket is initially empty on the
A: Any disk with a directory entry so
C-128, it is like-wise addressed to the same pan of memory as ROM car
and is in danger of losing informa tion. If the marked file is not impor
tridges, and it could easily hold a program ROM from a suitable ciy.s cartridge.
validated, with either ihe C-128's or the I'his/l's Collect command 01 the
Lexington, MA 02173
(617)641-2930
marked has an improperly closed file
tant, the disk should be immediately
Family Roots
American Express,
Visa, and MasterCard
gljtily accepted.
■ Tluitrnttirhs for Appli-
Coinputei ht,\. Iwcnwitiwil
Builiua Mathhm, CUM. he gadDigitalResearch
RUN FEBRUARY 1988,