Algobox - Logic Gates fix

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Logic Gates fix

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Author: phunbox1 (RBS)

Group: phunbox1

Filesize: 323.74 kB

Date added: 2008-08-15

Rating: 5.5

Downloads: 845

Comments: 3

Ratings: 2

Times favored: 1

Made with: Phun

Tags:

NOT, AND, OR, and XOR (exclusive or) logic gates.
Activated with black and white balls.
Have usage indicator.

Black = 1 : Purple mechanics
White = 0 : Yellow mechanics

They can be stacked and combined to make neat paths of logic. For example you could try making an OR gate out of three NOT and AND gates.

All the gates have an indicator that shows if they`ve been used (red) or not (green), gates can only be used once. If the two ball input values on the AND, OR, and XOR gates are too close together the indicator may not operate properly but the logic should still work.

The TWO gate simply produces another one of whatever was put in it.

You`ll notice that there are two copies of each gate one with text and the other one just shows the mechanics.

The platform thing to the right of the TWO gate is for putting under two gates whose output will be fed into one gate. It helps make sure the balls enter at different times.

(fixed bug where tilt device in AND, OR, and XOR gates stuck to block)

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Responses to this scene

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previous | 1 | next

phunbox1 (Eric P.)

2008/08/15 23:17:45

Awesome, but I've only understood what the NOT and TWO gates do. What does the other do? I've tested them but I don't see the logic. I think the AND one releases the first ball you inputted if you input 2 balls?

phunbox1 (RBS)

2008/08/16 02:01:58

The gates output a value Black) or White depending on their input(s).

The NOT and TWO gates only need one input ball. The AND, OR, and XOR gates require two, they can be two of the same color or both colors.

The single output value (ball) will differ depending on the gate it goes through.

Black = 1 = True
White = 0 = False

Simple Explanation (hopefully):

The AND gate is basically asking if both inputs are true, if so return true, otherwise return false.

The OR gate asks if any of the inputs are true, if so return true, otherwise return false.

The XOR gate (eXclusive or, sometimes EOR) asks if only one of the inputs is true, if so return true, otherwise return false.

If your still confused look up "logic gates" or "truth tables."

phunbox1 (Eric P.)

2008/08/16 02:45:04

I get it now. Really great! Although the fact that you can only use the gates once really makes this a bit useless. Perhaps there's a way to make them reuse balls or have a larger stock of balls (for example, if you input 0 and the input must be 1, there really isn't a way to change a white ball to black, so at least make it have a larger stock of black balls, making the gate usable more than once).

Algodoo