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Yes i actually did it. i made a 4-bit square root extractor. This wins over all my division circuits by far. Takes under 5 seconds to calculate an answer. you input 8-bit binary numbers(0-255) and it will give you the square root with a remainder.Yes i know i said it was 4-bit and you input 8- bit numbers, but its like that because the 2 4-bit numbers are paired together and also because there is 4 layers.
I believe this is the first, if not second of its kind. It works by trying to subtract q from a. The number of times it subtracts is q so it does a loop until it gets the answer.

here are the pictures:




Thank you for reading. reply with your thoughts and if you want a tutorial, please tell me.

here is the schematic download:
http://www.mediafire.com/?wd16wk63bd9x88d

here is a video:

cool.

the highest possible output is(in decimal): 126976(1.9375*2^15+1.9375*2^15) but..... because the output mantissa is only 5 bits, it will have a very low degree of accuracy. Floating point is that you could change the exponent. for fixed point, the number 10 will just be 10. but for floating point, the same number will be 1*2^1 because 10 = 1*2=2=10. the changing of the exponent could represent extremely high or low numbers without a massive input size. This adder(the input) covers a range of 32 bits with just a 10 bit input size.

I finally got around to finishing my new project!(i actually finished it 6 days ago). Floating point Addition! I believe this is the first. Addition is harder that multiplication and division in the sense that you need massive shifters to register the input. Most of this adder is just shift logic. The mantissa is 5 bits(1 bit >=1 and 4 bits <1). The exponent is 5 bits long(including the sign bit(yeah it takes in negative exponents)). It has xors at the adding part so it could be changed into a subtractor easily. the output is in scientific notation. and the input is as well.
Here are some pictures:





Also, if you are wondering, This was made on the RDF server.
Next stop: The MI-1!(see if you could find out what i mean)

for RAM use d flip flops. for ROM consult builderboy2005's compact ROM. and i win because i made sqrt extraction and division.

Quote from cpander

Call me when you can play minecraft in minecraft

you won't be getting a call.

well this should be a more popular post...

Hello, today i will be showing you a short term project that i think could have many uses. This project could take in 2 decimal digits and give out the binary equivalent. It has a decoder that takes in 8 bit numbers and gives out 100 outputs which are then the address for the ROM. It has 118 bytes of ROM(100 7-bit and 18 4-bit). The ROM is made using a slightly modified version of builderboy2005's version of ROM(big thanks to Builderboy2005). It does not have ANY pistons in it. This could be used as a user-friendly method of an input system for a 7-bit computer. The output is 7-bits(99 is 7-bit) and the input to the decoder is 8 bit. I tried to make it as compact as possible. There are a few things that i noticed after building it that could make it much faster so please do not post any complaints about the speed of it, and if you do complain, build a better one yourself.
Here are some pictures:







Thanks for reading and here is the download:
http://www.mediafire.com/?3swc6k1atizyw2x

the pictures didn't show up. and if this has no redstone, then why is it in this forum?

i made a frequency selector with 16 different frequencies speeds, one of them is the manual one. it uses a 4-bit selector mux. has one output. good job.

Hello fellow redstoners.
I thought'd show off this device I constructed to celebrate the incoming new year. Just because real Minecrafters make their firework out of flaming arrows :tongue.gif:

It's a machine that can fire 12 volleys of flaming arrows vertically into the sky without having to be reloaded.
Looks pretty nice in the night.

Or if you prefer...

.



THE CAKE
Minecraft ALU

I learned how to make a full adder yesterday, so today was time for my first ALU. The best version of yesterday's adders got a place in todays ALU, which is 6 bits. For you who don't know; ALU stands for Arithmetic logic unit. It was made on the Redstone Development Foundation server. It got the name The Cake because of its many layers. peterc1 commented that it looked like a yellow layer cake, and that inspired me to make its name.

This is the 13 functions it can do:

-A
-B
-A+B
-A-B
-B-A
-AND
-A>B
-B>A
-A=B
-A>=B
-B>=A
-Output lowest input
-Output highest input

Here's some images (Minecraft forums don't seem to support .png, and Imageshack don't seem to let me upload as anything else than .png to I'll just give you a link:) I figured it out!

Front of the ALU


Back of the ALU


The 12 inputs


The binary outputs


The output for logic operations that only gives OFF or ON as output


Side view


Birds eye view


Please comment and tell me what you think!
Ps: I am 14 years old

Credits:
----Mort96 (me): the entire ALU

----Tomys and Grinning: figured out how to do A>B and B>A, and reminded me about the XNOR working as an =. (They he figured out how to make A>B, then I made my own version and B>A out of the same components.

----Texture Pack: the Redstone texture pack made by vxstorm http://www.planetminecraft.com/texture_pack/redstone-texture-pack/

----JoeBot1234: teaching me how to make a full adder. He made an adder flat on the floor, with every gate and the gate's input and output easily visible.

----peterc1: inspiring me to give it the name The Cake

Thank you to yolky87609, bai2u, jackorobot and larslol for giving me a green + in bottom right corner of the post :biggrin.gif:

EDIT: Added JoeBot1234 in the credits list.
EDIT 2: updated the post. The ALU is better :smile.gif: 3 more functions, faster and better output busses New images will come, but I don't have time ATM.
EDIT 3: An error was made. I gave credits to Grinning, but he did nothing. Tomys made the comparator without help.
EDIT 4: Output Lowest and Highest input now works!!
EDIT 5: updated the images and named it The Cake!
EDIT 6: added peterc1 to the credits list
EDIT 7: added two more functions: A>=B and B>=A
-Mort96

WarPU is a minecraft computer made on a server called warhub.tommytony.com This computer was made mostly made by grinning and cmastudios. We give nicholasntp for help with building and helping along the way.

The Parts:

4 bit ALU with 5 operations (Addition, AND, OR, NOT, XNOR)
2 bytes of RAM
1 byte of registers "A" and "B"
4 bytes of program memory
5 bit instruction code
3 bit program counter
2 7 segment displays capable of display up to 15 from the A register
5 bit instruction decoder (32 outputs)

The program memory is 8 bits per module but only uses 5. It is capable of even saving the last 3 bits. The instructions are located in the control unit in the machine. This machine was made in the creative sector of a War server. A special thanks to randompie and tommytony. Randompie for not WE the whole thing out. tommytony for just always being awesome and letting us build it on his server. A special thanks to everyone who participated in the debugging stage this morning. You were all a big help. Thank you to Yolky87609 for helping with the decoder. Everyone who I havn't mentioned THANK YOU!

The world file will be uploaded here:_______

A schematic here Schematic

A video here_________ (we will probably film the video monday)

Pictures below here and more detail



The display



The sweet yellow ALU



Dirt program counter



View of the RAM and registers



A view of the Program memory bus with the instruction decoder in the backround

 Program code will be here when I copy it down

00000 does nothing (surprise)
00001 ALU do no operation and save output to A register
00010 ALU do Addition and save output to B register
00011 ALU do Addition and save output to A register
00100 ALU do AND and save output to B register
00101 ALU do AND and save output to A register
00110 ALU do OR and save output to B register
00111 ALU do OR and save output to A register
01000 ALU do NOT and save output to B register
01001 ALU do NOT and save output to A register
01010 ALU do XNOR and save output to B register
01011 ALU do XNOR and save output to A register
01100 ALU do no operation and save output to B register
01101 ALU do no operation and save output to A register
01110 ALU do no operation and save output to B register
01111 ALU do no operation and save output to A register
10000 CPU set RAM0 value to 0
10001 CPU set RAM0 copy value from A register
10010 CPU set RAM1 value to 0
10011 CPU set RAM1 copy value from A register
10100 CPU set RAM2 value to 0
10101 CPU set RAM2 copy value from A register
10110 CPU set RAM3 value to 0
10111 CPU set RAM3 copy value from A register
11000 CPU set B register set value to 0
11001 CPU set B register set value to 0 and copy to display
11010 CPU set B register copy to display
11011 CPU set B register copy to display
11100 CPU set A register set value to 0 
11101 CPU set A register set value to 0 and copy to display
11110 CPU set A register copy to RAM0 
11111 CPU set A register copy to RAM0 and copy to display

let me apologize i'm about to travel and being up late at night doesn't have my binary counting skills perfect so i may have missed an instruction

 Now I propose an easier way to remember it make an easy table thing

1st bit: if on it is a cpu operation
1st bit: if off it is a alu operation

2nd bit: CPU: if on accessing registers if off accessing RAM
2nd bit: ALU: op codes: 001 Addition, 010 AND, 011 OR, 100 NOT, 101 XNOR

3rd bit: Register: On if accessing A register, off if accessing B register
3rd bit: RAM: accessing codes: 00 RAM0, 01 RAM1, 10 RAM2, 11 RAM3
3rd bit: ALU:  op codes

4th bit: Register: on if trying to save to RAM0 (A register only), off if setting value to 0
4th bit: RAM: accessing codes
4th bit: ALU: op codes

5th bit: Register: on if copying to display, off is nothing
5th bit: RAM: on if copying value from A register to RAM cell, off if setting RAM cell value to 0
5th bit: ALU: on if copying output to A register, off if copying output to B register  

Always remember when coding to CHECK the counter decoder before you write you instruction to that slot. There are only 4 places to store your program so remember that. Remember to wipe program memory, reset counter to 0, and using your writing switch when you are done with your current 5 bit instruction and hold the write switch for a little bit of time to make sure. Always have fun when using then machine.

If u get any seizures while using the advanced electronic device I will not claim responsibility for it because its not my redstone computers fault. Do not take my whole design and call it your own computer.


This computer may be upgraded in the far future so if you have any suggestions I will take them in to account when looking. To take a look at it go to warhub.tommytony.com Once u r in do /warp cpu I,grinning, will be gone till monday so you will ask for randompie or cmastudios. Hopefully you get cma :smile.gif: We will let u look around and maybe do a bit of programming and testing. If you want to make a remix of this same computer to show me some improvements it would be much appreciated if u would just send it as a world file to me in messenger.

this should not be in the redstone section.