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https://github.com/orangomango/logicsimulator

A simple logic gate simulator made in Java using the JavaFX framework.
https://github.com/orangomango/logicsimulator

circuit-simulator java javafx logic-simulator webfx

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A simple logic gate simulator made in Java using the JavaFX framework.

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README 

        
# ![icon](icon.png) LogicSimulator v1.1

This is a simple circuit simulator made in Java using the JavaFX framework.



# Download

Available for Windows, Linux and MacOS and browser.

## Web-version

Try the web-version now at https://orangomango.itch.io/logicsimulator.



[![Screenshot_20230801-202809](https://github.com/OrangoMango/LogicSimulator/assets/61402409/6ad3fe71-0436-404d-b642-3cef2cb989af)](https://orangomango.itch.io/logicsimulator)



# Features

## Building blocks

* Switches (input)

* Lights/RGB Lights (output)

* AND gate

* NOT gate

* Bus

* Tri-state buffer

* 7 Segment display

* Circuits embedding using chips

## Simulator features

* Save/Load projects to a readable JSON format

* Save projects as a chip with your custom name and color

* Clear workspace

* Delete gate/wire

* Connect multiple buses together

* Gate label

* Connect/Disconnect pins from the circuit

* Turn global power on/off

* Export circuit to a PNG image



# Keyboard usage help

* Use `P` to toggle global power on/off (You can also click on the green/red rectangle at the bottom)

* Use `H` to show/hide the toolbar

* Use `DELETE` to delete selected gates from the circuit

* Use `Shift` + `DELETE` to delete the wires of the selected gates in the circuit

* Use `Z` and `X` to decrement/increment buses amount when placing a bus

* Use `R` to align selected buses

* Use `F1` to show/hide pin IDs

* Use `Shift` when:

	* placing a wire to align it

	* to place an input pin instead of an output one onto the bus

	* to move pins that are on a bus

* Use `Control` when:

	* placing a wire to delete the previous point

	* to define a new selection without unselecting the previous one

* Use `Alt` to place a wirepoint on the position of the nearest wirepoint on the circuit



# Mouse usage help

* Use the scroll wheel to scale the canvas

* Use `Left click`:

	* on pins to enter wire-placing mode

	* to place the chosen block from the menu on the right

	* to toggle a switch on/off

	* to delete a gate if you clicked on the `RM GATE` button

	* to place a pin on a bus (use `Shift` to toggle between an input/output pin)

	* to resize a bus horizontally or vertically

	* to connect buses together if you clicked on the `CONNECT BUS` button

	* to delete a wire if you clicked on the `RM WIRE` button (click on 2 pins)

	* to move a pin of the bus if the `Shift` key is pressed too

	* to define a selection area or if you click on the background to unselect the current selection

* Use `Right click`:

	* to interrupt an action like creating a bus, deleting a gate or a wire

	* to move the camera

	* to move selected gates or selected wire points

	* to open the gate properties menu where you can change the label, remove a pin (if you clicked on a bus pin), and so on

	* to look inside a chip



# Web version changes

* To load a file, upload it and then click the `Load` button

* To load chips into your project (**dependencies**), upload them by using the second upload button. Once uploaded, you find them in the sidebar on the right.

* Use the slider to scale the UI

* Toggle the `Move` button to move around the scene or to move the gates in your project (instead of the right-click)

* Some buttons in the toolbar are replacements for the keys `DELETE`, `R`, `SHIFT`, `CONTROL` and `ALT`



# Examples

Individual project files are available in the `examples` directory.

* [1 bit register](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/1bitRegister.png)

* [4 bit adder](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/4bAdder.png)

* [4 bit register](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/4bRegister.png)

* [7 segment driver](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/7sDriver.png)

* [1 bit adder](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/adder.png)

* [4 bit ALU](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/alu.png)

* [Buffer](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/buffer.png)

* [Bus buffer](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/busBuffer.png)

* [Dabble](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/dabble.png)

* [D Flip-Flop](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/dFlipFlop.png)

* [Double dabble](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/doubleDabble.png)

* [NAND gate](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/nand.png)

* [NOR gate](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/nor.png)

* [OR gate](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/or.png)

* [Set-Reset Flip-Flop](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/srFlipFlop.png)

* [Set-Reset latch](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/srLatch.png)

* [XOR gate](https://github.com/OrangoMango/LogicSimulator/raw/main/examples/xor.png)



# Simulator screenshots and exports

![export](example.png)  

![sc1](sc1.png)  

![sc2](sc2.png)  



Thanks to [@SebLague](https://github.com/SebLague) who inspired me to make this :)