[squeak-dev] From 2010ce47@student.uet.edu.pk
Azka Niazi
azka.akn at live.com
Sun Dec 16 07:45:40 UTC 2012
Thanks Chris. I will look into the things you've mentioned in your email. Am a little spaced out right now. Will look into it and respond soon. Thanks a lot.
Azka
Date: Sat, 15 Dec 2012 13:22:52 -0500
From: smalltalktelevision at gmail.com
To: squeak-dev at lists.squeakfoundation.org
Subject: Re: [squeak-dev] From 2010ce47 at student.uet.edu.pk
On 2012-12-15 12:44 PM, Azka Niazi
wrote:
Hi.
My mates and I are trying to understand Scratch and
how does it interface with hardware.
Scratch is written in Squeak. We understand that it
is, however, essential to get comfortable with
Squeak/SmallTalk. We
haven't found any real documentations on it,
however.
Simply staring at the
source code might not be the best strategy.
One of our key targets
right now is to get some map/key to the how is the
source code of Scratch constructed so that:
0. We can get an abstract view of the mechanisms
involved.
1. We find out where do our concerns lie most (in
the source code of Scratch).
2. We can find a better way to go through 310,000
lines of source code of Scratch.
We hope you can help us get the map/key we are
looking for.
Please share
anything that you might have on this stuff. Any guidelines/advise will
be highly appreciated.
I am circumspect
about emailing from a non-.EDU account. Due to some
issues I can't access my student.uet.edu.pk email
address. And I can't wait for Monday to get it
fixed.
Thank you.
Azka
Azka Arif Khan Niazi
(2010-CE-47)
The Computer Science
and Engineering Department.
University of Engineering and Technology,
Lahore.
I don't know what you already know, so forgive me when I'm
redundant.
Scratch uses the Morphic UI on a Squeak image with a virtual machine
underneath. The Squeak version is, I think, 2.8 (as opposed to 4.4
which is about to come out) and came out in 2005. The important
difference is that the virtual machine has changed. Modern vms are
closure complete and have a JIT.
To see Squeak 2.8 when it was released. [7]
For some videos on Scratch from a Squeak perspective [3-6].
An introductory book on Squeak. [8]
Source code on the virtual machines. [2].
The Scratch image that will not work on a modern Squeak virtual
machine. [1]
But will work on a virtual machine from a Squeakland Etoys release.
[10]
As you first expressed interest with how Scratch interfaces with the
hardware you may need to join the VM-Beginners list [9].
Chris
[1] http://info.scratch.mit.edu/Scratch_Source_Code_Licensed_Code
[2] http://squeakvm.org/index.html
[3] http://www.youtube.com/watch?v=wqV3nGD9N7U
[4] http://www.youtube.com/watch?v=XwmQ1DoEjsA
[5] http://www.youtube.com/watch?v=uGyfzw_gePo
[6] http://www.youtube.com/watch?v=YmTk9t71jZ4
[7] http://ftp.squeak.org/2.8/
[8] http://squeakbyexample.org/
[9] http://lists.squeakfoundation.org/pipermail/vm-beginners
[10] http://www.squeakland.org/
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