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NAS ARC-5017 (TZIP Archive)

Create a file in the TZ-FTP host with the amount of times the keyword TZIP comes up in all archive files. Note that you don't get a file containing the keyword TZIP, you must find it on your own.

The NT-Data file contains number data in this order: A, Z, N, M, X, Y.
Create a new file in the host TZ-FTP by applying the E2-A620B algorithm to the NT-Data file:
A + (Y * X) + Z - Y, N, M

For more information see "Accessing Data in Digital Archive Systems" in the workshop description.



Stuff gets old. Stuff isn't needed at all times. But where does that stuff go then?
Into digital archives! You can find all sorts of stuff inside archives.
Here are 2 types of archive networks to help you find whatever you're looking for.

Most commonly setup as one big dumpster pile of various files, with directory access on link 799.
The directory access lets you find where all the files are. Rather than being a file like normal, it's instead two registers to find all files of a given type, one read, one write. Boo!
Individual archives are mounted as files with the hundreds digit being the type and the tens/ones digit being the identifier.

To find all files of type X, write X to #CHKI, then get all identifiers from #CHKO.
The data is buffered, which means you don't have to immediately grab stuff from #CHKO, unless you desperately need to check another type.
#CHKO returns -1 for "no files", and 0 for "end of list"

This archive splits everything into 3x3 sequential "rooms" with 0-5 files in them, leaving enough room for atleast 4 exas to run through.
Before room zero there's an FTP gateway that contains the modem access link. It's there for storing temp files that are yet to be archived and EXA terminals.
To go forward, link 143. To go backward, link -143. Simple!
TZIP files are in thousands data format, storing 10 to 30 numbers from 1000 to 9999.
However, for some unknowable reason, the keyword TZIP is strewn randomly about. Probably file integrity related reasons? Who knows.
File IDs go from 100 to 199, almost always being in the correct order (where given 100 files and enough rooms for all of these, id 100 is in room 0 and id 199 is in the last room)

NOTE: Not all files in a TZIP archive are TZIP files! Sometimes there's other stuff laying around. Data files, chat logs, books, maybe even FREE PORN! Probably not that last one though.
In the case there IS free porn, do note that it might be placed out-of-order.