Numberabbey - 67 Early Spring by Kanddak

Map Description:

I built an eight-bit ripple-carry adder over the weekend and have just started the digging to take it up to sixteen bits.. I've seen a few theoretical designs for full adders on the wiki and such, but never a complete system.
See it in action here:

Point of Interest: Drainage collection

The eight pairs of up staircases collect water from the adders, which flows to the intake for the drainage pump tower in the northeast.
This is two levels below the adders; the extra level of up/down stairs keeps water from unexpectedly backing up and preventing an output from properly draining when its state changes.
In the northwest you can see the walled-off excavations for the original pump tower, which I overhastily dug out just before realizing it overlapped the planned site of the 32 and 64 adders. - Kanddak

There are 11 comments for this map series, last post 2009-03-31

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Submitted by: Savok - 2009-02-01 to 67 Early Spring


Submitted by: blue emu - 2009-02-02 to 67 Early Spring

The next logical step is to design a Dwarf Fortress tunnel-system that will act as a computer powerful enough for you to play Dwarf Fortress!

Submitted by: Nahkh_ - 2009-02-03 to 67 Early Spring

This is very impressive. I was designing one myself but you beat me to it. Oh well. I still have a few secret projects underway.

I particularly like the compactness and effortless extension. The color-coding is a nice addition.

Submitted by: tsen - 2009-02-05 to 67 Early Spring

Holy cripes.

Submitted by: KaelemGaen - 2009-02-06 to 67 Early Spring

Do you have a video of it working? or is it just the layout proof of concept?

Submitted by: Kanddak - 2009-02-06 to 67 Early Spring

Yes KaelemGaen, the demonstration movie is here:

Submitted by: Dakira - 2009-02-06 to 67 Early Spring

*Astounded* Wow, when you first said adder in your earlier works, I had no idea you meant it literally.

I might look into trying DF computing; ideas that popped into my heard were:
- Rather then gears be the output, why not show it with water levels. Have individual one space channels that act can act as digits. It might be limited to a non-base-ten standard, but interesting to me at least.
- A veritable "Dwarven Water Clock". Imagine it, able to tell you the DF time for day, month, and year.

[Message edited on 2009/02/06 at 08:33 by Dakira]

Submitted by: Sukasa - 2009-02-07 to 67 Early Spring

In your video you have eight side-by-side gear assemblies that apparently don't connect to each other - how'd you manage that? I wasn't aware that was possible o_O

Submitted by: Kanddak - 2009-02-11 to 67 Early Spring

Dakira: You might do that by having the output gears power pumps. You may be interested in my design for a 7-segment display or the associated forum discussion.

Sukasa: The output gear assemblies do connect to each other when they're engaged, but they are disengaged until the correct pressure plates are submerged.

Submitted by: Barbarossa - 2009-02-13 to 67 Early Spring

Holy addition! can it do subtraction?

Submitted by: crash2455 - 2009-03-31 to 67 Early Spring

Binary addition is binary subtraction, it's just how you interpret the bits.

It's too bad you can't assign multiple pressure plates to set something off, or else the drawbridge seven-segment display idea wouldn't be so complicated.

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You can download the compressed map file: 2009-02/kanddak-Numberabbey-region8-67-3142.fdf-map but you will need the .NET version of SL's DF Map Compressor to convert to the .PNG image format.