HDLBits刷题记录/Conwaylife康威生命游戏

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最新推荐文章于 2025-05-30 09:04:23 发布

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分类专栏： Verilog学习文章标签： fpga开发

本文链接：https://blog.youkuaiyun.com/weixin_51386055/article/details/127103671

本文记录了在HDLBits上刷题时实现康威生命游戏的过程。游戏在二维细胞自动机上进行，每个细胞根据其邻居数量遵循特定规则在活着和死亡状态之间转换。在电路实现中，使用了一个16x16的环状网格，使得边界的细胞可以环绕到对面，增加了游戏的复杂性。游戏状态通过一个256长度的向量表示，其中每16个元素代表一行细胞。实现语言为SystemVerilog，允许使用2D向量。

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HDLBits刷题记录/Conwaylife康威生命游戏
Conway’s Game of Lifeis a two-dimensional cellular automaton.

The “game” is played on a two-dimensional grid of cells, where each cell is either 1 (alive) or 0 (dead). At each time step, each cell changes state depending on how many neighbours it has:

0-1 neighbour: Cell becomes 0.
2 neighbours: Cell state does not change.
3 neighbours: Cell becomes 1.
4+ neighbours: Cell becomes 0.
The game is formulated for an infinite grid. In this circuit, we will use a 16x16 grid. To make things more interesting, we will use a 16x16 toroid, where the sides wrap around to the other side of the grid. For example, the corner cell (0,0) has 8 neighbours:(15,1),(15,0),(15,15),(0,1),(0,15),(1,1),(1,0), and(1,15). The 16x16 grid is represented by a length 256 vector, where each row of 16 cells is represented by a sub-vector: q[15:0] is row 0, q[31:16] is row 1, etc. (This tool accepts SystemVerilog, so you may use 2D vectors if you wish.)

module top_module(
    input clk,
    input load,
    input [255:0] data,
    output [255:0] q ); 
    reg[3:0] sum;
    always@(posedge clk)
        begin
            if(load)
                q<=data;
            else
                begin
                    for(int i=0;i<=255;i++)
                        begin
                            if(i==0)
                                sum=q[240

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