![]() cells format into a row-column address list. The general-purpose language comes handy to read the file and parse the standard. After the last cell is written, it starts running GoL. The GridInit module initializes the grid with the desired GoL pattern by write-enabling the grid and setting row-column addresses. ![]() On every clock cycle, the grid computes the next state for all cells at once. Cell units are then placed on the grid and wired to connect each to its eight neighbors. In hardware–on the contrary–the trivial approach is to have dedicated memory and compute unit for every cell. The trivial approach for implementing the GoL in software is to iterate over every cell. Verilog initially focused on describing the hardware–very close to what could be expressed by conventional schematic–and later added general-purpose programming elements to create more complex components. This approach seems almost the opposite of how the traditional HDLs, such as Verilog, evolved. This allows applying the full power of general-purpose programming language to produce higher-order hardware abstractions. In essence, Chisel is just a set of Scala libraries. It uses the Scala programming language as a base and defines the HDL as a domain-specific language on top of it. This post will follow my progress from writing Chisel and Verilog code to running GoL on Digilent Arty A7 and seeing live patterns on a VGA screen.Ĭhisel in a relatively new HDL originating from Berkeley and RISC V community. It turned out to be a lot more interesting than in software. So naturally, when I picked up Chisel hardware description language (HDL), I wanted to build Game of Life in FPGA. It has enough depth to uncover various tradeoffs. ![]() Conway’s Game of Life (GoL) fits this definition. When learning a new programming language, I like having a well defined yet non-trivial problem to solve. ![]()
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