logisim-evolution
ghdl
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logisim-evolution | ghdl | |
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25 | 26 | |
4,232 | 2,178 | |
4.4% | 2.2% | |
9.5 | 9.8 | |
7 days ago | 7 days ago | |
Java | VHDL | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
logisim-evolution
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A circuit simulator that doesn't look like it was made in 2003
Logism evolution works great and is quite modern.
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Ben Eater's 8-Bit CPU in Logisim, Plus More!
Here is the link for Logisim Evolution: https://github.com/logisim-evolution/logisim-evolution
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Crumb Circuit Simulator
In school, I worked on an introductory CS/EE class many, many moons ago, and I believed we used something like "logisim", which by then was pretty awesome - you could build simple things like adders, combine those with "macros" to bui;d ALUs and then whole simple CPUs.
Since then, the logisim project has discontinued, but it looks like there is a open source successor:
https://github.com/logisim-evolution/logisim-evolution
Have not tried it, but it looks promising, provided you don't want to do too complicated things (not sure if you could really model complex CPUs like a pentium with it). Also, it's pretty digital only, so I wouldn't expect Mac-Spice-like analog circuit simulation.
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I was making adder circuits in games 8 years ago in an attempt to build a computer. I finally worked my way up and built a working computer!
though i'd heavily recommend first building the circuit in a logic simulator like Logisim, or Digital before trying to build it in a game for an FPGA. (Digital even allows you to export circuits as Verilog/VHDL, and as a certified lazy person, that is very useful)
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Embedded Systems Weekly #112
Logisim-evolution An alternative free and open-source tool to design and simulate digital logic.
- Logisim – A Graphical Tool for Designing and Simulating Digital Logic Circuits
- I Designed My Own 16-Bit CPU
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features you wish logic gate sims had?
Logicism Evolution also does HDL and can export directly to several common FPGA boards. https://github.com/logisim-evolution/logisim-evolution
- Best logic gate simulation / digital logic circuit software? (best if cross platform.)
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Building the 8-bit computer in software
I've used Logisim a bit in the past. I liked it. I also see that there's a "Logisim Evolution" project on Github https://github.com/logisim-evolution/logisim-evolution
ghdl
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GHDL on mac m1
Download either of the two macOS packages. Unarchive (double-click on the file).
I downloaded https://github.com/ghdl/ghdl/releases/download/v3.0.0/ghdl-macos-11-mcode.tgz and extracted it to home directory ~.
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Is the VHDL standard library not publicly available?
it's on Github, fer cryin' out loud! (That's just one of many many places where you can find it.)
The body is here.
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Help on trying to find a FOSS solution to replace Quartus in my class.
GHDL + gtkwave
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Converting VHDL to Verilog using GHDL
Maybe you could try to minimize your example to a MWE (minimum working example that demonstrates the issue) and then do a bug report against GHDL at https://github.com/ghdl/ghdl/issues
Try a question here: https://github.com/ghdl/ghdl/issues . I have only used GHDL for VHDL, and it worked well for what I was doing with it, but the creator/chief maintainer(?) (Tristan Gingold) should be able to set your issue straight in a short while, and he is pretty active on github.
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ghdl, how to include math_real?
replying to myself: I just installed this nightly on a Win10 box and it seems to "work" based on minimal tests. Note that you need to install MinGW.
Try looking at the nightly builds. I assume these build from the development trunk, so they should be the most recent versions.
What version of ghdl are you using? That link is ancient. All of the ghdl development has been at GitHub for quite some time.
What are some alternatives?
Digital - A digital logic designer and circuit simulator.
logisim-evolution - Digital logic designer and simulator
32-bit-RISC-V-Cpu-Core
iverilog - Icarus Verilog
RISC-V-Computer - An enhanced yet simplified version of the original RISC-V-Computer build with Logisim [Moved to: https://github.com/MazinCE/RVCOM2.0]
8-bit-CPU - Homebrew 8-bit CPU
rust_hdl
gtkwave - GTKWave is a fully featured GTK+ based wave viewer for Unix and Win32 which reads LXT, LXT2, VZT, FST, and GHW files as well as standard Verilog VCD/EVCD files and allows their viewing.
Logisim - Logisim Italian Fork
rv32i-logisim-cpu - Implementation of RV32I in Logisim-evolution.
vunit - VUnit is a unit testing framework for VHDL/SystemVerilog
logisim_evo - A collection of Logisim Evolution circuits