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ScuzzBlog: Diaries 2018

March 13: Entry 1821: scuzzblog: Post: 3


ADZ and decrunching those pesky Lemmings - Let's Go !!


Picked up on a recent thread regarding two issues with the late
great Amiga and the wonderful magazine cover disks. I say late
only cus the thread was a response to a forum post just ten
years old.... Seems to be the way of things these days. Anyway
the issue was with Amiga Format 18A which when downloaded from
some magazine cover disk repository online was freezing up at
the load screen to Lemmings. Just nothing after the green screen.
Interesting.... hmmm. I have both the original disk and a copy
on a CD that a bought off Ebay. Time to check this out.

Next issue, which again resulted in me tracking through ten year
old forum threads was the issue of unpacking an ADZ file. This
compressed file is basically a squished ADF file. I am guessing
that to drain as much out of those quite massive Amiga files
this was devised to basically get the blood out of the stone.

And so I turned to Thomas Rapp and his very splendid tsgui.
So here goes nothing .... Let's go !!... Seriously if you don't
know where the line ' Let's Go ' comes from you really have
never like ever played Lemmings... Keep up.

The pictures here are taken from my Amiga 4000 and the refresh
on the screen makes getting a sharp image a touch tricky.
Fortunately for me the monitor is sharp as a button so tuff...
The A500 that I use that sits next to the A4000 has a Philips
and that is also very sharp and often very loud. I use it to
play all my demos and disks created for the 500... As you do !!

OK these are ADZ files.. ones on the left

I have this CD with all the popular Amiga
magazine cover disks on ... it. I also have
pretty well all the disks anyway and the
one in question many times 'AF Disk 18A'

On the CD is The One

CU Amiga

Amiga Computing

Amiga Action

Amongst a number of others, but what
we are looking for is Amiga Format

And Disk 18A.. and there it is

So I copy that to RAM T

Next I fire up TSGUI

And proceed to copy the disk to DF0
Highly improper and something I do
not condone... So don't.

Checks the newly created floppy

Removes disk and slots it into the A500

Green screen with reflection of lamp
in room in.. duh!! But no Lemmings

Total Recall works

Man does it work

Probably shouldn't have done that

And we are back.. This time with the
actual Amiga Format Cover disk... To
a great cheer and loud applause
And the photographer this time switched
off the lamp. And there is the green screen

And there we have The Lemmings

OH NO !!! Not more Lemmings

Let's Go !!

So if you want to play this go get the disk

Let's try another ADZ file from The One

Who ?

Oh that Dr Who

I see.. Dalek Attack.. Reaches for joystick

Well that works

What was I doing... It's getting dark

I use the de-crunching on the 4000 for
demo CDs which I have a lot of. And then
play them on the Amiga 500. Great fun

I tend to rename the DMS so I can find it
in RAM given that I have to write the command
line to de-crunch it

As I am doing here

All Gone !!

The GVP on the 500 checks for the
old virus' of the day

Clash of Empires 2.1
Well I never ....

Seriously ' Never '

And never will by the looks of it

OK boring stats on the 4000 I'm using

This has an 18GB hard drive

Kickstart info.. blah blah

Anyway I think that's enough... Bored now
Gotta get back to Total Recall.... Bye


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Last updated 13/03/2018

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scuzzscink 2018