Editing User:Jong

==Dwarven Computer==
[[User:Jong/Dwarven_Computer]]
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 ==Dwarven Computer==
-[[Image:DCOverview.png|thumb|Overview of the Dwarven Computer]]
+[[User:Jong/Dwarven_Computer]]
-{{Main|User:Jong/Dwarven_Computer}}
-I successfully built first fully programmable digital computer in Dwarf Fortress! It has been tested and works as expected, although incredibly slow.
-I did make a few changes from the documented design in the final implementation, but the basic design is sound and should only have a few bugs.
-==Single-Stage carry-look-ahead adder==
-In another [http://www.bay12forums.com/smf/index.php?topic=55380.0 thread] on the official forums, I came up with an improved design for a carry-look-ahead adder. [[Image:Single stage adder.png|thumb|Single Stage Adder]]
-It directly attaches the output gears of the carry calculation circuit to the root of the sum circuit's gear tree, where the carry-in gears would have been. This allows the power availability, which is determined by the carry circuit, to substitute for a toggled gear and thus making the whole adder single stage.
-I further optimized the design by replacing most of the simple single-input gears with double input gears that were mentioned in that thread as well. This greatly reduced the complexity of the adder.
-==Binary Multiplier==
-===Multiple Input Adder===
-Given the efficiency of my new adder design, and multiple input design, I have been considering the problem of creating an efficient multiple input adder, which could be used as a component of a binary multiplier.
-It turns out that the sum calculation circuit needs no modification at all, as it simply determines whether the total of the inputs and the carry is odd or even, producing a result when it is odd.
-However the carry calculation could become very complex, as the quantity of the carry is variable depending on the total number of inputs. For example 1+1+1+1 gives 100, which is 2 units down the row.