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Difference between revisions of "40d Talk:Computing"

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== Fluid logic gates ==
 
== Fluid logic gates ==
  
I got bored, so here, have some gates. I don't know the offical DF format for fortress snippets, so I've posted them here and hoped someone will be bored enough to format them correctly. I also don't really post on Wikis very much, so if this isn't the kind of thing you're all looking for, delete it. There might also be a few errors; I haven't actually tested any of these, and I'm not exactly sure about the XORs.
+
I got bored, so here, have some gates. I don't know the offical DF format for fortress snippets, so I've posted them here and hoped someone will be bored enough to format them correctly. I also don't really post on Wikis very much, so if this isn't the kind of thing you're all looking for, delete it. There might also be a few errors; I haven't actually tested any of these, and I'm not exactly sure about the XORs. I know that I could have made a few of these more compact by having the fluid perform the OR themselves, but that would have caused backwash into any dry inputs, possibly corrupting the system. If you have yours set up right, you don't need that.
 +
 
 +
:Edit:Also, you might want to connect your reservoir to the floodgates on the other side with another, lever-controlled, floodgate in between. That way you don't have problems with mechanical delays and fluid getting through where it's not supposed to because a gate hasn't closed yet. [[User:Madmadmadmage|Madmadmadmage]] 18:05, 9 December 2007 (EST)
  
 
Notation:
 
Notation:

Revision as of 23:05, 9 December 2007

I created this page because I think it's a very interesting part of the game for advanced players. I'm not at all familiar with creating wiki pages, so if someone else who was familiar with the concepts could write a section or two themselves, that would be grand. Right now I think it's been proven possible to create logical input and output gates using fluid dynamics, axles and gears, and even the movements of dwarves utilizing pressure plates.

It was on the 4th of Galena 1097 that the Fortress 'The Net of Skies' became self-aware. Panicked mechanics attempted to disengage the mechanisms, but the fortress interpreted this as an attack and designated all Dwarves as hostile... --WyldKarde 13:17, 23 November 2007 (EST)


A suggested component: The one-use lever.
ó _X_ ___ / = ramp X = door
#" ¯ /### " = bridge
#########
The lever has a Pull The Lever repeat job on it. The door only opens when access is required. Upon being pulled, the lever opens the bridge and drops the dwarf that pulled it. -- Zaratustra 14:56, 23 November 2007 (EST)
Problem detected: the lever doesn't obstruct, so the dwarf can be left hanging on the lever's tile.

I think we should strive to include an example of an NAND gate and/or a NOR gate for each style since that's the bare minimum for operation.--AlBorland 22:09, 23 November 2007 (EST)

Machine logic

The machine logic gates as they stand are incomplete. The inputs are levers, but the outputs are machine components. In order to connect a machine logic gate to another gate, the machine signal needs to be converted back into a lever signal. The only way I can see to do that is with a water tank, a pump, and a pressure plate. --Peristarkawan 12:38, 28 November 2007 (EST)

Anthills

Kudos to whoever mods ants to be trainable for borg machines... Hex anyone? :D N35t0r 20:28, 8 December 2007 (EST)

This would make that person my favoritest ever. --Geofferic 01:36, 9 December 2007 (EST)
Agreed. Madmadmadmage 15:13, 9 December 2007 (EST)

Fluid logic gates

I got bored, so here, have some gates. I don't know the offical DF format for fortress snippets, so I've posted them here and hoped someone will be bored enough to format them correctly. I also don't really post on Wikis very much, so if this isn't the kind of thing you're all looking for, delete it. There might also be a few errors; I haven't actually tested any of these, and I'm not exactly sure about the XORs. I know that I could have made a few of these more compact by having the fluid perform the OR themselves, but that would have caused backwash into any dry inputs, possibly corrupting the system. If you have yours set up right, you don't need that.

Edit:Also, you might want to connect your reservoir to the floodgates on the other side with another, lever-controlled, floodgate in between. That way you don't have problems with mechanical delays and fluid getting through where it's not supposed to because a gate hasn't closed yet. Madmadmadmage 18:05, 9 December 2007 (EST)

Notation:

. : channel
+ : ground
# : wall
n : floodgate connected to plate number n
p : pressure plate true when depth 1-3
q : pressure plate true when depth 4-7
I : input channel 1
J : input channel 2
O : output channel
D : to runoff tank, so it doesn’t all jam. I’ve assumed a single level for the basic design,
but a far more efficient model (presented below) assumes that this tank is two levels down,
and that D is a two-z-level pit. H : from full reservoir. Again, basic designs are for a single level, but a far more efficient
model (presented below) assumes that this tank is one level up, and H is a hole in the ceiling. Water == true; no water == false

Pressure plates are numbered top to bottom, and then left to right within rows with multiple plates. For example:

##1####2###
#+++34++++#
#++++++56+#
##7########

Single-level designs:
NOT gate:

#####
H...#
#++.#
Ip+1O
#D###

OR gate:

##########
H........#
#++++++12#
D.+...+..#
#q+q+.++.O
#I#J#D####

NOR gate:

##########
H........#
#++++++12#
D.+...+..#
#p+p+.++.O
#I#J#D####

AND gate:

#########
H.......#
#++++++1#
D.+...+2#
#q+q+.+.O
#I#J#D###

NAND gate:

#########
H.......#
#++++++1#
D.+...+2#
#p+p+.+.O
#I#J#D###

XOR gate:

#############
H...........#
#+++++++13++#
#++++++++.24O
J.pq+pq.++++#
###D#I#D#####

Alternative XOR gate:

############
H..........#
#++++++12++#
#+++++++.12O
J.p+p..++++#
##D#I#D#####

The pair of floodgates closest to the output (the ones in series) are open when they’re connected to the plates, and the pair of floodgates closest to the reservoir are closed when they’re connected to the plates. Additionally, if the two in series are connected to a lever, this setup can be turned into an AND gate simply by pulling the lever.

Multi-level designs:
Note that in any of these designs, any floodgates connected directly to the H can have an H moved directly above them, making the designs of the OR, NOR, and XOR gates much more compact (and probably faster). NOT gate:

###H#
#++1O
Ip++#
#D###

OR gate:

#######
IqD+H.#
#+++12#
JqD+..O
#######

NOR gate:

#######
IpD+H.#
#+++12#
JpD+..O
#######

AND gate:

#######
IqD+D+#
#+++12O
JqD+++#
#######

NAND gate:

#######
IpD+D+#
#+++12O
JpD+++#
#######

XOR gate:

##########
IpqD+H.++#
#++++13++#
JpqD+..24O
##########

Alternative XOR gate:

#########
IpD+H.++#
#+++12++#
JpD+..12O
#########

The pair of floodgates closest to the output (the ones in series) are open when they’re connected to the plates, and the pair of floodgates closest to the reservoir are closed when they’re connected to the plates. Additionally, if the two in series are connected to a lever, this setup can be turned into an AND gate by pulling the lever.

Madmadmadmage 16:53, 9 December 2007 (EST)