Logisim now also goes open hardware #1789
BFH-ktt1
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Next to the open synthesis tool chain, I'd love to see open (co)simulation with the help of something like GHDL or Icarus Verilog. #84 makes it seem like I'm not the only person interested in this. |
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Great to see the push for openness! With increasing FPGA support, I'd love to see VHDL implementations of the floating point arithmetic circuits! I know these circuits are large, but I hope addition and subtraction could fit on a "cheap" FPGA. |
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FPGA support was long times restricted to a dependency on either AMD's or Intel's (Xilinx respective Altera) "free" or licensed software. However, there has been a great effort in the open source community to create open-source EDA tools, which are greatly appreciated (e.g. Kicad and openFpga). To move logisim also forwards, the latest version in main supports (partially) the openFPGA toolchain (both verilog and VHDL (GHDL)) for the Lattice ECP5 family. Also in this effort an open-hardware board was developed, the GECK5Education (https://github.com/logisim-evolution/GECKO5Education), based on the ideas of the GECKO4Education (https://gecko-wiki.ti.bfh.ch/), the Leguan platform (https://leguan.ti.bfh.ch/), the ULX3S (https://radiona.org/ulx3s/) and many others.
I'm looking forward to:
If you are interested, please do not hesitate to put PR's, add Issues, react to this announcement.
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