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likely detect a checksum error when |
verifying or extracting the archive. |
ARC handles relative files. These |
babies are difficult enough just to |
copy let alone transfer them over the |
phone! |
ARC also supports a number of useful |
commands for viewing directories, |
moving files between drives, viewing |
the contents of files, renaming files, |
and editing simple text files. For more |
details, you'll have to read the |
documentation for ARC which is quite |
complete. |
First of all there are several ARCs. |
ARCXYZ.4 is for a standard C-64. |
ARCXYZ.8 is for a C-64 equipped with |
a BI-80 eighty column video |
adaptor. |
XYZ is the version number. The higher |
the number, the more up to date the |
program. Archives are downward |
compatible. This means that any ARC |
program will be able to handle any |
archive created by any other ARC |
program provided that its version |
number is equal to or higher than the |
one that created the archive. |
Note also that archives created on |
MS/PC-DOS machines are of a different |
format than Commodore archives. At |
present ARC can only view the directory |
of an MS-DOS archive but thats all. We |
should be able to expand on this in the |
future. |
When you first run ARC, all you get |
is a brief message and you're back at |
the READY prompt. |
ARC is written as a wedge. It adds a |
number of commands to the basic |
interpreter, one of which is ARC. We'll |
just briefly summarize some of the |
commands you will need to know to get |
started using ARC. For more details |
read the complete documentation |
provided elsewhere on this system. |
1) DOS WEDGE. |
This should be familiar. Syntax is |
the same as used in "DOS 5.1", SYSRES, |
or whatever other wedge you use. |
>$0 - view directory |
>i0 - initialize drive 0 |
And so on and so forth... |
2) DISK DRIVES |
ARC refers to disk drives by letter, |
not number. It takes a bit of getting |
used to but its more accurate and |
convenient once you're used to it. Thus |
A: is unit 8 drive 0, B: is unit 8 |
drive 1, C: is unit 9 drive 0 and so on |
up to H: which is unit 11 drive 1. |
Thus: |
LOAD"C:ARC220.4" |
Could be used in place of: |
LOAD"0:ARC220.4",9 |
If you do not specify a drive |
letter in a filename, then ARC will |
assume you meant the default drive. |
(normally A:) You set the default drive |
simply by typing its letter followed by |
a colon. |
C: <return> |
Sets the default drive to unit 9 |
drive 0. All wedge commands (>$ etc.) |
and filenames will default to this |
drive. If you just typed the above, |
then: |
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