# Circular Shift Functions HW help!

**URL:** <https://forums.speedlife.net/t/circular-shift-functions-hw-help/19590>\
**Category:** NYSpeed Off Topic\
**Created:** [November 1, 2006, 8:02pm UTC](https://forums.speedlife.net/t/circular-shift-functions-hw-help/19590 "2006-11-01T20:02:08Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![buffalove](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/buffalove/32/7460_2.png) [@buffalove](https://forums.speedlife.net/u/buffalove)\
**Post date:** [November 1, 2006, 8:02pm UTC](https://forums.speedlife.net/t/circular-shift-functions-hw-help/19590/1 "2006-11-01T20:02:08Z")

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Data Communications course.  
the + in the circle is a Exclusive OR function.  
x^10 means X to the 10th power…

Question from the Book: Calculate the remainder of the following division using circular shifts.

x^12+x^10+x^7+x^6+x^5+x^3+x^2 / x^7+x^4+x^2+x^1

The above division comes out to be **1010011101100** in binary.

Here is a template of the funcition…

The first registers are zeroes…

So how to do this? I am lost. If anyone knows please help, and possible explain/fill it out for me. I don’t know how many steps there are, so its possible that not all of them will fill…

![http://www.nyspeed.com/forums/attachment.php?attachmentid=1276&stc=1](http://www.nyspeed.com/forums/attachment.php?attachmentid=1276&stc=1)

Thanks

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**Author:** ![buffalove](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/buffalove/32/7460_2.png) [@buffalove](https://forums.speedlife.net/u/buffalove)\
**Post date:** [November 2, 2006, 8:33am UTC](https://forums.speedlife.net/t/circular-shift-functions-hw-help/19590/2 "2006-11-02T08:33:56Z")

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Anyone? I hate this, its due tomorrow…

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**Author:** ![Bacon](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bacon/32/7230_2.png) [@Bacon](https://forums.speedlife.net/u/Bacon)\
**Post date:** [November 2, 2006, 8:39am UTC](https://forums.speedlife.net/t/circular-shift-functions-hw-help/19590/3 "2006-11-02T08:39:31Z")

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Shit I used to know how to do that, now I’m all like durrr… I’ll look into it once I’m at home.

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**Author:** ![buffalove](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/buffalove/32/7460_2.png) [@buffalove](https://forums.speedlife.net/u/buffalove)\
**Post date:** [November 2, 2006, 11:08am UTC](https://forums.speedlife.net/t/circular-shift-functions-hw-help/19590/4 "2006-11-02T11:08:40Z")

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> [@FuzzyFish](#):
>
> Shit I used to know how to do that, now I’m all like durrr… I’ll look into it once I’m at home.

arite i hope you remember it…