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From 2010ce47@student.uet.edu.pk

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Azka Niazi
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From 2010ce47@student.uet.edu.pk

Azka Niazi
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.
Chris Cunnington
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Re: From 2010ce47@student.uet.edu.pk

Chris Cunnington
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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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: [hidden email]
To: [hidden email]
Subject: Re: [squeak-dev] From [hidden email]


  
    
  
  
    
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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