Operating instructions

Microbes 8 rid
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R. M. Mottola from Boston, MA writes:
It has been brought
to my attention· that my Screen
Dump Software
(14:27) will not work with a printer that
can handle more than 40 columns; To correct this,
please make the following changes: ' ....
580 NEXT:PRINT .... :REM Null $
585 NEXT:NEXT
Jack Gieryic of Andover, MN founda
formation in the JUly 1979.issueof
Vritis' article "The First Booko~ ~f'
I have two reasons for urging avoid~~c~of thehar
ware change. First, your program may contalTlabu
elsewhere which Inadvertantly wrftesintosome9r:all
system RAM. Permanently removing thewriteprotec:
feature will make this bug more difUcult to;trace: rn~,
stead of "missing data" in some bUff~r or variable fa,
problem relatively easy to "see" and figureouthou may,
have memory alterations which could be impossiblelo
view as a critipal element of system RAM ,was'
destroyed. .',
The second reason looks to the fut~fe:abtti,Jf" .... ,
Synertek ever does add a disk opt n 19Jhe;S't'M, '1/
wouldn't be surprisedif critical info
the disk driver were located in tne'
bug which alters this memory Co
disk data to be destroyed. This.
assume quite a bit
butJs notou.tsi
possibility.
Philip
L. Bryan suggests that in thElartl(~fe Clf'·.·'R1~bE~rl,.
Carlson's, "Baudot Teletype Driver"
the op-code for RORA
shouldbe6A,
: "
Robert A. Peck :Q1 Sunnyvale, CA says:
·eSYMphony in Stereo program in June 1979
.
into some difficulties which I have fi
odl wanted to let you know about.
goes ,from 0200-0278, data area,
ctions: Begin \1ataarea at 219
r
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to 79,"OO05-to,38.. "" .. >;
0., .. :"::>, :",,, ,.:'" c'_''';''':'''' ':-C _ :,:,},(",~:,:,,~
startlnghi~e addresses is)'j:
locations: At 0219 and0223/';!;i
ed. TfljswlllPlck uplnedata "