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new message after typing the
source
drive number
(where
the
information is
coming from) and the
destination
drive number
(where
the data is going). The message
TYPE'
''1'"
I
F OK TO USE PROGRA
M
AREA
CRUTION
,
A "Y
"
INVALIDATES MEM
.
SAU
appears to remind you that DOS can use
all
of
the
user program
area to speed up the copy file process. A Y notifies DOS that
you
really don 't care about
your
user program area
or
MEM.SAV file
at this time - MEM.SAV will be invalidated. An
N
response tells
the
DOS that it
cannot
put anything into the
user
program area. It
can only use a much
smaller
internal buffer to move your
file.
In
other
words,
your
file
will
still be
copied
when
you give an
N
re-
sponse,
but it will take much
longer.
You can also use this selection to
copy
the file lisling to the
screen
(E:)
or the printer (P:)
Caution
1:
Do
not append lokenized BASIC files,
i.e.,
files stored
with
a
SAVE
command. Each tokenized file has its
own
symbol
table
,
and only the first file will be loaded. However, you can
merge two BAS IC files stored
with
a
LI
ST command,
or
two bi-
nary files created by the
Assembler
Editor cartridge or
DOS.
(Tokenized and untokenized files are explained in
Section
4.)
Caution
2: Remember
that
in merge operations, files stored
with
a LIST command that have matching line numbers could cause
the files to interfere with
each
other.
Example 1:
Copies DOS EX.BAS from 01 to 02.
SELE
CT
ITEI1 OR
1""",,
1
FOF
,
l'IEt1
U
C
1 -...1
COP
Y--
FR Ot'h
TO?
D 1
:
DOS
EX.
BA
S
,
D2;
D
OS D-·
~
.
BA
S
(FletlTl"l
]
Example
2: Creates backup copy of Ii Ie on same diskette.
SELECT ITEM
OR
1-...1
FO
R
11EI1U
C
1 -"'1
CO
PY--FRm1,
TO?
Dl
'DOSEX.
BAS.Dl
' DOSEX. BAK
36
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