Left/right rotator
1.Decade counter2.Four-bit binary counter3.Decade counter again4.Slow decade counter5.Counter 1-126.Counter 10007.4-digit decimal counter8.12-hour clock9.Hdlbits博文分布10.4-bit shift register
11.Left/right rotator
12.Left/right arithmetic shift by 1 or 813.5-bit LFSR14.3-bit LFSR15.32-bit LFSR16.Shift register17.Shift register(2)18.3-input LUT19.Rule 9020.Rule 11021.Conway's Game of Life 16x1622.Simple FSM1(asynchronous reset)23.Simple FSM1(synchronous reset)24.Simple FSM2(asynchronous reset)25.Simple FSM2(synchronous reset)26.Simple state transition 327.Simple one-hot state transition 328.Simple FSM 3（asynchronous reset）29.Simple FSM 3（synchronous reset）30.Design a Moore FSM31.Lemmings 132.Lemmings 233.Lemmings 334.Lemmings 435.One-hot FSM36.PS/2 packet parser37.PS/2 packet parser and datapath38.Serial receiver39.Serial receiver and datapath40.Serial receiver with parity checking41.Sequence recognition42.Q8:Design a Mealy FSM43.Q5a:Serial two's complementer(Moore FSM)44.Q5b:Serial two's complementer(Moore FSM)45.Q3a:FSM46.Q3b:FSM47.Q3c:FSM logic48.Q6b:FSM next-state logic49.Q6c:FSM next-state logic50.Q6:FSM51.Q2a：FSM52.Q2:One-hot FSM equations53.Q2a: FSM54.Q2b：Another FSM55.Counter with period 100056.4-bit shift register and down counter57.FSM:Sequence 1101 recognizer58.FSM:Enable shift register59.FSM:The complete FSM60.The complete timer61.FSM:One-hot logic equations62.UARTBuild a 100-bit left/right rotator, with synchronous load and left/right enable. A rotator shifts-in the shifted-out bit from the other end of the register, unlike a shifter that discards the shifted-out bit and shifts in a zero. If enabled, a rotator rotates the bits around and does not modify/discard them.
1 module top_module(
2 input clk,
3 input load,
4 input [1:0] ena,
5 input [99:0] data,
6 output reg [99:0] q);
7 always @(posedge clk) begin
8 if(load) begin
9 q <= data;
10 end
11 else begin
12 case (ena)
13 2'b01:q <= {q[0],q[99:1]};
14 2'b10:q <= {q[98:0],q[99]};
15 default:q <= q;
16 endcase
17 end
18 end
19
20 endmodule
【推荐】国内首个AI IDE，深度理解中文开发场景，立即下载体验Trae
【推荐】编程新体验，更懂你的AI，立即体验豆包MarsCode编程助手
【推荐】抖音旗下AI助手豆包，你的智能百科全书，全免费不限次数
【推荐】轻量又高性能的 SSH 工具 IShell：AI 加持，快人一步
· winform 绘制太阳，地球，月球 运作规律
· 震惊！C++程序真的从main开始吗？99%的程序员都答错了
· AI与.NET技术实操系列（五）：向量存储与相似性搜索在 .NET 中的实现
· 超详细：普通电脑也行Windows部署deepseek R1训练数据并当服务器共享给他人
· 【硬核科普】Trae如何「偷看」你的代码？零基础破解AI编程运行原理