Bitsy

Bitsy is a modern hardware description language.

Documentation

https://bitsy-lang.org

Getting Started

    $ git clone https://github.com/bitsy-lang/bitsy
    $ cd bitsy
    $ cargo install --path bitsy
        Installed package `bitsy v0.2.0 (/home/auser/bitsy/bitsy)` (executable `bitsy`)
    $ cat bitsy/examples/passthrough.bitsy
    mod Passthrough {
        incoming in  of Word[8];
        outgoing out of Word[8];

        out := in;
    }
    $ bitsy -c bitsy/examples/passthrough.bitsy | tee passthrough.mlir
    hw.module @Passthrough(
        in %_clock : !seq.clock,
        in %_reset : i1,
        in %in : i8,
        out out : i8
    ) {
        hw.output %in : i8
    }
    $ firtool --format=mlir passthrough.mlir
    module Passthrough(
      input        _clock,
                   _reset,
      input  [7:0] in,
      output [7:0] out
    );

      assign out = in;
    endmodule