Squeak Learn Programing with Robots

> On Sat, Mar 02, 2019 at 03:48:25PM -0500, Robert Kuropkat wrote:
> > Is there an updated Ready.image file (the one that goes with the
> > book)
> > that works with the latest Squeak?  I'm looking to teach a class
> > and
> > wanted to use this book, but at first blush, the image does not
> > seem to
> > work with Squeak 5.2 (on Linux at least).
>
> Hi Robert,
>
> I do not remember anyone mentioning an update to the image, so I
> suspect
> that the original image that came with the book would be the one to
> use.
>
> The most recent VMs for Squeak will probably not run an image from
> that
> era, but if you are using Linux for the class, it will not be
> difficult
> to provide a compatible VM.
>
> If the Ready.image is available for download, could you please give a
> link to the download site? I would be happy to take a look at it and
> suggest a suitable VM for running that image.
>
> Dave
>
>

> On Sun, 2019-03-03 at 13:47 -0500, David T. Lewis wrote:
> > On Sat, Mar 02, 2019 at 03:48:25PM -0500, Robert Kuropkat wrote:
> > > Is there an updated Ready.image file (the one that goes with the
> > > book)
> > > that works with the latest Squeak?  I'm looking to teach a class
> > > and
> > > wanted to use this book, but at first blush, the image does not
> > > seem to
> > > work with Squeak 5.2 (on Linux at least).
> >
> > Hi Robert,
> >
> > I do not remember anyone mentioning an update to the image, so I
> > suspect
> > that the original image that came with the book would be the one to
> > use.
> >
> > The most recent VMs for Squeak will probably not run an image from
> > that
> > era, but if you are using Linux for the class, it will not be
> > difficult
> > to provide a compatible VM.
> >
> > If the Ready.image is available for download, could you please give a
> > link to the download site? I would be happy to take a look at it and
> > suggest a suitable VM for running that image.
> >
> > Dave
> >
> >
>
>
> Dave,
>
> I retrieved the download from here: https://github.com/apress/squeak  I
> grabbed the ReadyPC-05052005.zip.  It worked fine on Linux using the
> latest Squeak v3.  It would not work in v4 or v5.  I was also planning
> to use Squeak By Example (which I believe is v4 era) as well as other,
> more modern examples for a beginner class.  Version 3, 4 and 5 are all
> available for Windows, Mac and Linux.  I **could** have students
> install all three versions (I did that on Linux) but was kind of hoping
> to avoid that if it was possible to port these images to v5.
>
> The ReadyPC zip file contains the following:
>
> luth.frm  Ready.changes  Ready.image  spider.frm  Squeak.exe  SqueakV3.
> sources

> On Sun, Mar 03, 2019 at 07:42:29PM -0500, Robert
>Kuropkat wrote:
>> On Sun, 2019-03-03 at 13:47 -0500, David T. Lewis wrote:
>> > On Sat, Mar 02, 2019 at 03:48:25PM -0500, Robert
>>Kuropkat wrote:
>> > > Is there an updated Ready.image file (the one that
>>goes with the
>> > > book)
>> > > that works with the latest Squeak?  I'm looking to
>>teach a class
>> > > and
>> > > wanted to use this book, but at first blush, the
>>image does not
>> > > seem to
>> > > work with Squeak 5.2 (on Linux at least).
>> >
>> > Hi Robert,
>> >
>> > I do not remember anyone mentioning an update to the
>>image, so I
>> > suspect
>> > that the original image that came with the book would
>>be the one to
>> > use.
>> >
>> > The most recent VMs for Squeak will probably not run
>>an image from
>> > that
>> > era, but if you are using Linux for the class, it will
>>not be
>> > difficult
>> > to provide a compatible VM.
>> >
>> > If the Ready.image is available for download, could
>>you please give a
>> > link to the download site? I would be happy to take a
>>look at it and
>> > suggest a suitable VM for running that image.
>> >
>> > Dave
>> >
>> >
>>
>>
>> Dave,
>>
>> I retrieved the download from here:
>>https://github.com/apress/squeak  I
>> grabbed the ReadyPC-05052005.zip.  It worked fine on
>>Linux using the
>> latest Squeak v3.  It would not work in v4 or v5.  I was
>>also planning
>> to use Squeak By Example (which I believe is v4 era) as
>>well as other,
>> more modern examples for a beginner class.  Version 3, 4
>>and 5 are all
>> available for Windows, Mac and Linux.  I **could** have
>>students
>> install all three versions (I did that on Linux) but was
>>kind of hoping
>> to avoid that if it was possible to port these images to
>>v5.
>>
>> The ReadyPC zip file contains the following:
>>
>> luth.frm  Ready.changes  Ready.image  spider.frm
>> Squeak.exe  SqueakV3.
>> sources
>
> Hi Robert,
>
> As far as I am aware, the images that go with these
>books are not being
> actively updated for newer versions of Squeak. But aside
>from the inconvenience
> of installing multiple versions, there should be nothing
>wrong with using
> those images exactly as they are. They should work fine,
>and by using the
> old images you can be more confident that the systems
>will work as
> described in the books.
>
> I downloaded the zip for Ready.image, and the image
>seems to work fine with
> the interpreter VM that I have installed on my Linux PC.
>This is a VM
> that I compiled from latest sources, so I am confident
>that if the
> VMs that you are using with the book distributions do
>not work properly,
> then an updated VM for Linux can be provided (and I
>would be happy to
> help with that if needed).
>
> Dave
>

> On Mon, 4 Mar 2019 12:54:48 -0500
>  "David T. Lewis" <[hidden email]> wrote:
> >On Sun, Mar 03, 2019 at 07:42:29PM -0500, Robert
> >Kuropkat wrote:
> >>On Sun, 2019-03-03 at 13:47 -0500, David T. Lewis wrote:
> >>> On Sat, Mar 02, 2019 at 03:48:25PM -0500, Robert
> >>Kuropkat wrote:
> >>> > Is there an updated Ready.image file (the one that goes with the book)
> >>> > that works with the latest Squeak?  I'm looking to teach a class and
> >>> > wanted to use this book, but at first blush, the image does not seem to
> >>> > work with Squeak 5.2 (on Linux at least).
> >>>
> >>> Hi Robert,
> >>>
> >>> I do not remember anyone mentioning an update to the image, so I suspect
> >>> that the original image that came with the book would be the one to use.
> >>>
> >>> The most recent VMs for Squeak will probably not run an image from that
> >>> era, but if you are using Linux for the class, it will not be difficult
> >>> to provide a compatible VM.
> >>>
> >>> If the Ready.image is available for download, could you please give a
> >>> link to the download site? I would be happy to take a look at it and
> >>> suggest a suitable VM for running that image.
> >>>
> >>
> >>I retrieved the download from here: https://github.com/apress/squeak  I
> >>grabbed the ReadyPC-05052005.zip.  It worked fine on Linux using the
> >>latest Squeak v3.  It would not work in v4 or v5.  I was also planning
> >>to use Squeak By Example (which I believe is v4 era) as well as other,
> >>more modern examples for a beginner class.  Version 3, 4 and 5 are all
> >>available for Windows, Mac and Linux.  I **could** have students
> >>install all three versions (I did that on Linux) but was kind of hoping
> >>to avoid that if it was possible to port these images to v5.
> >>
> >>The ReadyPC zip file contains the following:
> >>
> >>luth.frm  Ready.changes Ready.image  spider.frm Squeak.exe  SqueakV3.sources
> >
> >Hi Robert,
> >
> >As far as I am aware, the images that go with these books are not being
> >actively updated for newer versions of Squeak. But aside from the inconvenience
> >of installing multiple versions, there should be nothing wrong with using
> >those images exactly as they are. They should work fine, and by using the
> >old images you can be more confident that the systems will work as
> >described in the books.
> >
> >I downloaded the zip for Ready.image, and the image seems to work fine with
> >the interpreter VM that I have installed on my Linux PC. This is a VM
> >that I compiled from latest sources, so I am confident that if the
> >VMs that you are using with the book distributions do not work properly,
> >then an updated VM for Linux can be provided (and I would be happy to
> >help with that if needed).
> >
>
> David,
>
> You make a solid point about sticking with the version of
> Squeak the image was made for.  So for the purpose of the
> class, I may well do so.  Installing and running different
> versions of Squeak might be a lesson in itself.
>
> However, did I understand correctly that you were able to
> use the Ready.image with Squeak v5-ish?  If so, that means
> I'm doing something wrong, so would love to get educated
> on that issue.
>

> Hi Robert,
>
> I think that we are mixing terms a bit with respect to Squeak
> versions, so let me clarify what I was saying. When I speak about
> a version of Squeak, I am thinking mainly of the image itself (the
> squeak.image file and its companion squeak.changes file).
>
> The VM (virtual machine) is the execution engine for that image,
> and in general terms, any given version of Squeak (the image) will
> run on any of several VMs, and any given VM will be able to run
> various versions (but not all versions) of Squeak images.
>
> For example, if you point your web browser to http://try.squeak.org
> you will find a web based VM written in JavaScript that is able
> to run a very wide range of Squeak versions. The VM is completely
> different from the one that you might install on your Linux or
> Windows PC, but it runs the Squeak images exactly as if they were
> running on a traditional compiled VM.
>
> If you are working with a Squeak image that was distributed with
> a book, then you probably have both the image itself, and possibly
> several VMs from that time period. You can be confident that the
> image itself will still work well today, and probably for many more
> years in the future. However, any VM that was distributed 10 years
> ago or more may be in need of an update, due to changes in operating
> systems and runtime libraries for those operating systems.
>
> This is the reason that I wanted to test your Ready.image on a
> recently
> compiled VM on my PC. This confirms that the image works, and also
> that it would be possible for you to recompile a new version of the
> VM for that image if you needed to do so,
>
> In general, you will find that old VMs for Windows will work reliably
> for many years, but VMs for Linux will need to be recompiled more
> frequently.
>
> Assuming that you are using Linux PCs for the class that you are
> planning
> to teach, I would say that if you have a working image and VM
> combination,
> then just use it. But if you do find problems using an older VM on
> Linux,
> then I am confident that an updated VM can be provided (and I can
> help
> with that).
>
> Dave
>

> On 24/04/19 6:56 AM, Robert Kuropkat wrote:
>> Running 32-bit Squeak on a 64-bit System. install-libs32
>>may install
>> them.
>> Using /home/robert/Squeak5/Squeak5.2-18229-64bit-All-in-
>> One.app/Contents/Linux-i686/bin/squeak...
>> This interpreter (vers. 68021) cannot read image file
>>(vers.
>> 1712914432).
>
> This error means that you are trying to edit a 32-bit
>big-endian (1712914432) V3 image with a VM that reads
>64-bit spur images (68021).
>
> You need a VM that can read 32-bit 6502 images (endian
>doesn't matter). Simplest way to get going is to install
>squeak-vm package with:
>
>    apt-get install squeak-vm
>
> Regards .. Subbu

>
> Subbu,
>
> Thank-you.  I thought for my v5 Squeak install I did that and only
> installed the v3/4 Squeak VMs from the website downloads.  However, I'll
> go double check that.
>
> Robert Kuropkat
>
> P.S.  The v3 Squeak VM works just fine with the image. It's my v4 and v5
> VMs that do not...
>
>
>
> On Wed, 24 Apr 2019 11:01:08 +0530
>   K K Subbu <[hidden email]> wrote:
>> On 24/04/19 6:56 AM, Robert Kuropkat wrote:
>>> Running 32-bit Squeak on a 64-bit System. install-libs32 may install
>>> them.
>>> Using /home/robert/Squeak5/Squeak5.2-18229-64bit-All-in-
>>> One.app/Contents/Linux-i686/bin/squeak...
>>> This interpreter (vers. 68021) cannot read image file (vers.
>>> 1712914432).
>>
>> This error means that you are trying to edit a 32-bit big-endian
>> (1712914432) V3 image with a VM that reads 64-bit spur images (68021).
>>
>> You need a VM that can read 32-bit 6502 images (endian doesn't
>> matter). Simplest way to get going is to install squeak-vm package with:
>>
>>    apt-get install squeak-vm
>>
>> Regards .. Subbu
>