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stringlengths 35
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module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = (~R[Aad]);
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = '0;
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = '1;
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input reset,
output [3:0] q
);
always @(posedge clk) begin
if (reset) q <= 4'd1;
else if (q == 4'd10) q <= 4'd1;
else q <= q + 1;
end
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
output reg [3:0] q
);
always @(posedge clk) begin
if (reset) q <= 4'b0001;
else if (q == 4'b1010) q <= 4'b0001;
else q <= q + 1;
end
endmodule
| 7.203305
|
module top_module (
input clk,
input slowena,
input reset,
output [3:0] q
);
always @(posedge clk) begin
if (reset | (slowena & (q == 9))) q <= 0;
else q <= (slowena) ? q + 1 : q;
end
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = (~R[Bad]);
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = '0;
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = '1;
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input slowena,
input reset,
output [3:0] q
);
always @(posedge clk) begin
if (reset) q <= 4'b0;
else if (q == 4'd9 & slowena) q <= 4'b0;
else if (slowena) q <= q + 1;
end
endmodule
| 7.203305
|
module top_module (
input clk,
input slowena,
input reset,
output reg [3:0] q
);
always @(posedge clk) begin
if (reset) q <= 0;
else if (slowena)
if (q == 4'b1001) q <= 0;
else q <= q + 1;
end
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
input enable,
output [3:0] Q,
output c_enable,
output c_load,
output [3:0] c_d
); //
initial Q <= 1;
always @(posedge clk) begin
if (reset | ((Q == 12) & enable)) Q <= 1;
else Q <= (enable) ? Q + 1 : Q;
end
assign c_enable = enable;
assign c_load = (reset | ((Q == 12) & enable));
assign c_d = c_load ? 1 : 0;
count4 the_counter (
clk,
c_enable,
c_load,
c_d /*, ... */
);
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = ((!ue[3]) && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = ('0 && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = ('1 && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && (!store));
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && '0);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && '1);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] || store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input reset,
input enable,
output [3:0] Q,
output c_enable,
output c_load,
output [3:0] c_d
); //
assign c_enable = enable;
assign c_load = (reset | (Q == 4'd12 & c_enable)) ? 4'd1 : 4'd0;
assign c_d = (reset | (Q == 4'd12 & c_enable)) ? 4'd1 : 4'd0;
count4 the_counter (
.clk(clk),
.enable(c_enable),
.load(c_load),
.d(c_d),
.Q(Q)
);
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
input enable,
output reg [3:0] Q,
output c_enable,
output reg c_load,
output [3:0] c_d
); //
wire [3:0] Q_temp;
assign c_enable = enable ? 1 : 1'b0;
assign c_d = c_load ? 1'b1 : 1'b0;
always @(posedge clk) begin
if (reset) Q <= 4'b0001;
else if (enable)
if (Q != 4'b1100) Q <= Q + 1;
else Q <= 4'b0001;
end
always @(*) begin
if (reset || (enable && Q == 4'b1100)) c_load = 1'b1;
else c_load = 1'b0;
end
// 用于验证
count4 u_count4 (
.clk(clk),
.enable(enable),
.load(c_load),
.d(c_d),
.Q(Q_temp)
);
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
output OneHertz,
output [2:0] c_enable
); //
wire [3:0] q0, q1, q2;
bcdcount counter0 (
clk,
reset,
c_enable[0],
q0
);
bcdcount counter1 (
clk,
reset,
c_enable[1],
q1
);
bcdcount counter2 (
clk,
reset,
c_enable[2],
q2
);
assign c_enable = {(q1 == 4'd9) & (q0 == 4'd9), q0 == 4'd9, 1'b1};
assign OneHertz = (q2 == 4'd9) & (q1 == 4'd9) & (q0 == 4'd9);
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (~(ue[3] && store));
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = '0;
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = '1;
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module shan1293_2bitalu (
input [7:0] io_in,
output [7:0] io_out
);
alu alu (
.A(io_in[7:6]),
.B(io_in[5:4]),
.opcode(io_in[3:0]),
.ALU_Out(io_out[7:0])
);
endmodule
| 7.155259
|
module top_module (
input clk,
input reset,
output OneHertz,
output [2:0] c_enable
); //
wire [3:0] counter0_Q, counter1_Q, counter2_Q;
assign c_enable[0] = ~reset;
assign c_enable[1] = (c_enable[0]) & (counter0_Q == 4'd9);
assign c_enable[2] = (c_enable[1]) & (counter1_Q == 4'd9);
assign OneHertz = (c_enable[2]) & (counter2_Q == 4'd9);
bcdcount counter0 (
.clk(clk),
.reset(reset),
.enable(c_enable[0]),
.Q(counter0_Q)
);
bcdcount counter1 (
.clk(clk),
.reset(reset),
.enable(c_enable[1]),
.Q(counter1_Q)
);
bcdcount counter2 (
.clk(clk),
.reset(reset),
.enable(c_enable[2]),
.Q(counter2_Q)
);
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
output OneHertz,
output [2:0] c_enable
); //
wire [3:0] q0;
wire [3:0] q1;
wire [3:0] q2;
bcdcount counter0 (
clk,
reset,
c_enable[0],
q0
);
bcdcount counter1 (
clk,
reset,
c_enable[1],
q1
);
bcdcount counter2 (
clk,
reset,
c_enable[2],
q2
);
assign c_enable = {(q1 == 4'd9) && (q0 == 4'd9), q0 == 4'd9, 1'b1};
assign OneHertz = (q2 == 4'd9) && (q1 == 4'd9) && (q0 == 4'd9);
endmodule
| 7.203305
|
module top_module (
input clk,
input reset, // Synchronous active-high reset
output [3:1] ena,
output [15:0] q
);
//用来表示进位
assign ena = {
q[11:8] == 4'd9 && q[7:4] == 4'd9 && q[3:0] == 4'd9,
q[7:4] == 4'd9 && q[3:0] == 4'd9,
q[3:0] == 4'd9
};
//one
count4 inst1_count4 (
.clk(clk),
.reset(reset),
.ena(1),
.q(q[3:0])
);
//ten
count4 inst2_count4 (
.clk(clk),
.reset(reset),
.ena(ena[1]),
.q(q[7:4])
);
//hundred
count4 inst3_count4 (
.clk(clk),
.reset(reset),
.ena(ena[2]),
.q(q[11:8])
);
//thousand
count4 inst4_count4 (
.clk(clk),
.reset(reset),
.ena(ena[3]),
.q(q[15:12])
);
endmodule
| 7.203305
|
module count4 (
input clk,
input reset,
input ena,
output reg [3:0] q
);
always @(posedge clk) begin
if (reset) q <= 4'd0;
else begin
if (ena) begin
if (q == 4'd9) q <= 4'd0;
else q <= q + 1;
end
end
end
endmodule
| 7.148055
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = (~MDRw);
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = '0;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = '1;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input reset, // Synchronous active-high reset
output [3:1] ena,
output [15:0] q
);
wire ena_0;
always @(posedge clk or negedge reset) begin
if (~reset) ena_0 <= 1;
else ena_0 <= 0;
end
// assign ena3_0[0] = ~reset;
assign ena[1] = (ena_0) & (q[3:0] == 4'd9);
assign ena[2] = (ena[1]) & (q[7:4] == 4'd9);
assign ena[3] = (ena[2]) & (q[11:8] == 4'd9);
BCD_counter BCD_counter_u0[3:0] (
.clk({4{clk}}),
.reset({4{reset}}),
.ena({ena, ena_0}),
.q(q)
);
endmodule
| 7.203305
|
module BCD_counter (
input clk,
reset,
ena,
output reg [3:0] q
);
always @(posedge clk) begin
if (reset) q <= 4'b0;
else if (ena)
if (q == 4'd9) q <= 4'd0;
else q <= q + 1;
end
endmodule
| 6.772334
|
module top_module (
input clk,
input reset, // Synchronous active-high reset
output reg [3:1] ena,
output reg [15:0] q
);
always @(posedge clk) begin
if (reset) q <= 0;
else begin
if (q[3:0] == 4'd9) begin
q[3:0] <= 4'b0000;
if (q[7:4] == 4'd9) begin
q[7:4] <= 4'b0000;
if (q[11:8] == 4'd9) begin
q[11:8] <= 4'b0000;
if (q[15:12] == 4'd9) q[15:12] <= 4'b0000;
else q[15:12] <= q[15:12] + 1;
end else q[11:8] <= q[11:8] + 4'b0001;
end else q[7:4] <= q[7:4] + 4'b0001;
end else q[3:0] <= q[3:0] + 4'b0001;
end
end
// always @(posedge clk)
// begin
// if(reset)
// q <= 0;
// else
// begin
// q <= q + 1;
// end
// end
always @(posedge clk) begin
if (reset) ena <= 0;
else begin
if (q[3:0] == 4'd8) begin
ena[1] <= 1'b1;
if (q[7:4] == 4'd9) begin
ena[2] <= 1'b1;
if (q[11:8] == 4'd9) ena[3] <= 1'b1;
end
end else ena <= 3'b000;
end
end
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
input ena,
output pm,
output [7:0] hh,
output [7:0] mm,
output [7:0] ss
);
reg [2:0] ena_hms; //determine when will "ss","mm" and "hh" need to be increased
assign ena_hms = {(ena && (mm == 8'h59) && (ss == 8'h59)), (ena && (ss == 8'h59)), ena};
count60 count_ss (
.clk(clk),
.reset(reset),
.ena(ena_hms[0]),
.q(ss)
);
count60 count_mm (
.clk(clk),
.reset(reset),
.ena(ena_hms[1]),
.q(mm)
);
always @(posedge clk) begin
if (reset) begin
hh <= 8'h12; //hh=12
pm <= 0;
end else begin
if (ena_hms[2]) begin //if mm=59 and ss=59
if (hh == 8'h12) hh <= 8'h1; //hh will change:12AM->1AM or 12PM->1PM
else if (hh == 8'h11) begin //if hh=11, then PM->AM or AM->PM
hh[3:0] <= hh[3:0] + 1'h1; //hh=12
pm <= ~pm;
end else begin
if (hh[3:0] == 4'h9) begin
hh[3:0] <= 4'h0;
hh[7:4] <= hh[7:4] + 1'h1;
end else hh[3:0] = hh[3:0] + 1'h1;
end
end else hh <= hh;
end
end
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge (!clk))
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge 0)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input reset,
input ena,
output pm,
output [7:0] hh,
output [7:0] mm,
output [7:0] ss
);
always @(posedge clk) begin
if (reset) ss <= 0;
else if (ena)
if (ss == 8'h59) ss <= 0;
else if (ss[3:0] == 4'h9) ss <= {(ss[7:4] + 1), 4'h0};
else ss <= ss + 1;
end
always @(posedge clk) begin
if (reset) mm <= 0;
else if (ena & (ss == 8'h59))
if (mm == 8'h59) mm <= 0;
else if (mm[3:0] == 4'h9) mm <= {(mm[7:4] + 1), 4'h0};
else mm <= mm + 1;
end
always @(posedge clk) begin
if (reset) hh <= 8'h12;
else if (ena & (ss == 8'h59) & (mm == 8'h59))
if (hh == 8'h12) hh <= 1;
else if (hh[3:0] == 4'h9) hh <= {(hh[7:4] + 1), 4'h0};
else hh <= hh + 1;
end
always @(posedge clk) begin
if (reset) pm <= 0;
else if (ena & (ss == 8'h59) & (mm == 8'h59) & (hh == 8'h11)) pm <= ~pm;
end
endmodule
| 7.203305
|
module top_module (
input clk,
input reset,
input ena,
output reg pm,
output reg [7:0] hh,
output reg [7:0] mm,
output reg [7:0] ss
);
always @(posedge clk) begin
if (reset) begin
hh <= 8'b0001_0010;
mm <= 8'd0;
ss <= 8'd0;
end else if (ena) begin
// ss
if (ss[3:0] == 4'b1001) begin
if (ss[7:4] == 4'b0101) begin
ss <= 8'b0000_0000;
// mm
if (mm[3:0] == 4'b1001) begin
if (mm[7:4] == 4'b0101) begin
mm <= 8'b0000_0000;
// hh
if (hh[3:0] == 4'b1001) begin
hh <= {hh[7:4] + 4'b0001, 4'd0000};
end else if (hh == 8'b0001_0010) hh <= 8'b0000_0001;
else hh <= hh + 8'b0000_0001; // hh complete
end else begin
mm <= {{mm[7:4] + 4'b0001}, 4'b0000};
end
end else mm <= mm + 8'b0000_0001; // mm complete
end else begin
ss <= {{ss[7:4] + 4'b0001}, 4'b0000};
end
end else begin
ss <= ss + 8'b0000_0001;
end // ss complete
end
end
// contral pm or am
always @(posedge clk) begin
if (reset) pm <= 1'b0;
else if ((hh == 8'b0001_0001) & (mm == 8'b0101_1001) & (ss == 8'b0101_1001)) pm <= ~pm;
end
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge 1)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module sky130_fd_sc_hd__dlrtp_1 (
input GATE,
RESET_B,
D,
output reg Q
);
always @*
if (~RESET_B) Q <= 0;
else if (GATE) Q <= D;
endmodule
| 7.212805
|
module sky130_fd_sc_hd__dlxtp_1 (
input GATE,
D,
output reg Q
);
always @* if (GATE) Q <= D;
endmodule
| 7.212805
|
module sky130_fd_sc_hd__and3_1 (
input A,
B,
C,
output X
);
assign X = A & B & C;
endmodule
| 7.212805
|
module top_module (
input clk,
input areset, // async active-high reset to zero
input load,
input ena,
input [3:0] data,
output reg [3:0] q
);
always @(posedge clk or posedge areset) begin
if (areset) begin
q <= 0;
end else begin
if (load) begin
q <= data;
end else begin
if (ena) begin
q <= (q >> 1);
end
end
end
end
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= (~0);
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= '0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= '1;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input areset, // async active-high reset to zero
input load,
input ena,
input [3:0] data,
output reg [3:0] q
);
always @(posedge clk or posedge areset) begin
if (areset) q <= 0;
else if (load) q <= data;
else if (ena) q <= {1'b0, q[3:1]};
end
endmodule
| 7.203305
|
module top_module (
input clk,
input areset, // async active-high reset to zero
input load,
input ena,
input [3:0] data,
output reg [3:0] q
);
always @(posedge clk or posedge areset) begin
if (areset) q <= 4'h0;
else if (load) q <= data;
else if (ena) q <= {1'b0, q[3:1]};
else q <= q;
end
endmodule
| 7.203305
|
module top_module (
input clk,
input load,
input [1:0] ena,
input [99:0] data,
output reg [99:0] q
);
always @(posedge clk) begin
if (load) q <= data;
else begin
if (ena == 2'b01) q <= {q[0], q[99:1]};
else if (ena == 2'b10) q <= {q[98:0], q[99]};
else q <= q;
end
end
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= (~0);
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= '0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= '1;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input load,
input [1:0] ena,
input [99:0] data,
output reg [99:0] q
);
always @(posedge clk) begin
if (load) q <= data;
else
case (ena)
2'b01: q <= {q[0], q[99:1]};
2'b10: q <= {q[98:0], q[99]};
endcase
end
endmodule
| 7.203305
|
module top_module (
input clk,
input load,
input [1:0] ena,
input [99:0] data,
output reg [99:0] q
);
always @(posedge clk) begin
if (load) q <= data;
else begin
case (ena)
2'b01: q <= {q[0], q[99:1]};
2'b10: q <= {q[98:0], q[99]};
default: q <= q;
endcase
end
end
endmodule
| 7.203305
|
module top_module (
input clk,
input load,
input ena,
input [1:0] amount,
input [63:0] data,
output reg [63:0] q
);
always @(posedge clk) begin
if (load) q <= data;
else begin
if (ena) begin
if (amount == 2'b00) q <= (q << 1);
else if (amount == 2'b01) q <= (q << 8);
else if (amount == 2'b10) begin
if (q[63] == 0) q <= (q >> 1);
else begin
q <= (q >> 1);
q[63] <= 1'b1;
end
end else begin
if (q[63] == 0) q <= (q >> 8);
else begin
q <= (q >> 8);
q[63:56] <= {8{1'b1}};
end
end
end
end
end
endmodule
| 7.203305
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= (~0);
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= '0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= bus_in;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= '1;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input load,
input ena,
input [1:0] amount,
input [63:0] data,
output reg [63:0] q
);
always @(posedge clk) begin
if (load) q <= data;
else if (ena)
case (amount)
2'b00: q <= {q[62:0], 1'b0};
2'b01: q <= {q[55:0], 8'b0};
2'b10: q <= {q[63], q[63:1]};
2'b11: q <= {{8{q[63]}}, q[63:8]};
endcase
end
endmodule
| 7.203305
|
module top_module (
input clk,
input load,
input ena,
input [1:0] amount,
input [63:0] data,
output reg [63:0] q
);
always @(posedge clk) begin
if (load) q <= data;
else if (ena) begin
case (amount)
2'b00: q <= {q[62:0], 1'b0};
2'b01: q <= {q[55:0], 8'h00};
2'b10: q <= {q[63], q[63], q[62:1]};
2'b11: q <= {q[63], {8{q[63]}}, q[62:8]};
default: q <= q;
endcase
end
end
endmodule
| 7.203305
|
module prog_melody_gen (
input [7:0] io_in,
output [7:0] io_out
);
reg [9:0] div_tmr = 0;
reg tick;
reg state;
reg [7:0] curr_tone;
reg [5:0] tone_seq;
wire [3:0] rom_rdata;
wire clock = io_in[0];
wire reload = io_in[1];
wire restart = io_in[2];
wire pgm_data = io_in[3];
wire pgm_strobe = io_in[4];
assign io_out[7:1] = 1'b0;
always @(posedge clock, posedge restart) begin
if (restart) begin
div_tmr <= 0;
tone_seq <= 0;
curr_tone <= 0;
tick <= 1'b0;
state <= 1'b0;
end else begin
{tick, div_tmr} <= div_tmr + 1'b1;
if (tick) begin
if (!state) begin
tone_seq <= tone_seq + 1'b1;
if (rom_rdata == 15) curr_tone <= 0; // silence
else curr_tone <= 12 + rom_rdata; // note
end else begin
curr_tone <= 0; // gap between notes
end
state <= ~state;
end
end
end
reg [7:0] mel_gen = 0;
reg mel_out;
always @(posedge clock) begin
if (mel_gen >= curr_tone) mel_gen <= 0;
else mel_gen <= mel_gen + 1'b1;
mel_out <= mel_gen > (curr_tone / 2);
end
assign io_out[0] = mel_out;
localparam C = 4'd11, CS = 4'd10, D = 4'd9, E = 4'd7, F = 4'd6, FS = 4'd5, G = 4'd4, GS = 4'd3, A = 4'd2, AS = 4'd1, B = 4'd0, S = 4'd15;
localparam [4*64:0] JINGLE_BELS = {
E,
E,
E,
S,
E,
E,
E,
S,
E,
G,
C,
D,
E,
S,
F,
F,
F,
F,
F,
E,
E,
E,
E,
E,
D,
D,
E,
D,
S,
G,
S,
E,
E,
E,
S,
E,
E,
E,
S,
E,
G,
C,
D,
E,
S,
F,
F,
F,
F,
F,
E,
E,
E,
E,
F,
F,
E,
D,
C,
S,
S,
S,
S,
S
};
wire [ 3:0] tone_rom [0:63];
// program shift register
reg [10:0] write_sr;
always @(posedge clock) write_sr <= {pgm_data, write_sr[10:1]};
wire [5:0] pgm_word_sel = write_sr[10:5];
wire [3:0] pgm_write_data = write_sr[3:0];
// the tone RAM
generate
genvar ii;
genvar jj;
for (ii = 0; ii < 64; ii = ii + 1'b1) begin : words
wire word_we;
sky130_fd_sc_hd__and2_1 word_we_i ( // make sure this is really glitch free
.A(pgm_word_sel == ii),
.B(pgm_strobe),
.X(word_we)
);
for (jj = 0; jj < 4; jj = jj + 1'b1) begin : bits
localparam pgm_bit = JINGLE_BELS[(63-ii)*4+jj];
wire lat_o;
sky130_fd_sc_hd__dlrtp_1 rfbit_i (
.GATE(word_we),
.RESET_B(reload),
.D(pgm_write_data[jj]),
.Q(lat_o)
);
assign tone_rom[ii][jj] = lat_o ^ pgm_bit;
end
end
endgenerate
assign rom_rdata = tone_rom[tone_seq];
endmodule
| 6.923884
|
module sky130_fd_sc_hd__dlrtp_1 (
input GATE,
RESET_B,
D,
output reg Q
);
always @*
if (~RESET_B) Q <= 0;
else if (GATE) Q <= D;
endmodule
| 7.212805
|
module sky130_fd_sc_hd__and2_1 (
input A,
B,
output X
);
assign X = A & B;
endmodule
| 7.212805
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= (~bus_in);
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= '0;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module
//`define frameIDcount //frameID counts for itself by adding one every frame
`define Preamble 64'hd555_5555_5555_5555
//The MAC address of this MAC IP core and the other terminal on the Ethernet, can be changed!
`define MAC_ADD 48'h0100_0000_0000 //mac address: 0x00-00-00-00-00-01
`define PC_MAC_ADD 48'hffff_ffff_ffff //mac address of the other terminal
`define frameidlen 24 //the id of the MAC frame
`define uframelen 148 //148-bit
`define num_uframe 8 //the number of uframes received once
`define interval 8.25 //the interval between frames without send any data on fifo
`define da_offset (8<<1) //8 byte before
`define sa_offset (`da_offset+(6<<1)) //8+6 bytes before
`define typelen_offset (`sa_offset+(6<<1))
`define frameid_offset (`typelen_offset+(2<<1))//index of first bit of frameid
`define data_offset (`frameid_offset+(`frameidlen>>2))
//index of first bit of datamodule CRC_Module(Clk, Reset, Data, Enable, Initialize, Crc, CrcError);
input Clk;
input Reset;
input [3:0] Data;
input Enable; //should be valid from the destination address until the data before the CRC checksum
input Initialize; //need to initialize before data in
output [31:0] Crc;
output CrcError;
reg [31:0] Crc;
wire [31:0] CrcNext;
assign CrcNext[0] = Enable & (Data[0] ^ Crc[28]);
assign CrcNext[1] = Enable & (Data[1] ^ Data[0] ^ Crc[28] ^ Crc[29]);
assign CrcNext[2] = Enable & (Data[2] ^ Data[1] ^ Data[0] ^ Crc[28] ^ Crc[29] ^ Crc[30]);
assign CrcNext[3] = Enable & (Data[3] ^ Data[2] ^ Data[1] ^ Crc[29] ^ Crc[30] ^ Crc[31]);
assign CrcNext[4] = (Enable & (Data[3] ^ Data[2] ^ Data[0] ^ Crc[28] ^ Crc[30] ^ Crc[31])) ^ Crc[0];
assign CrcNext[5] = (Enable & (Data[3] ^ Data[1] ^ Data[0] ^ Crc[28] ^ Crc[29] ^ Crc[31])) ^ Crc[1];
assign CrcNext[6] = (Enable & (Data[2] ^ Data[1] ^ Crc[29] ^ Crc[30])) ^ Crc[ 2];
assign CrcNext[7] = (Enable & (Data[3] ^ Data[2] ^ Data[0] ^ Crc[28] ^ Crc[30] ^ Crc[31])) ^ Crc[3];
assign CrcNext[8] = (Enable & (Data[3] ^ Data[1] ^ Data[0] ^ Crc[28] ^ Crc[29] ^ Crc[31])) ^ Crc[4];
assign CrcNext[9] = (Enable & (Data[2] ^ Data[1] ^ Crc[29] ^ Crc[30])) ^ Crc[5];
assign CrcNext[10] = (Enable & (Data[3] ^ Data[2] ^ Data[0] ^ Crc[28] ^ Crc[30] ^ Crc[31])) ^ Crc[6];
assign CrcNext[11] = (Enable & (Data[3] ^ Data[1] ^ Data[0] ^ Crc[28] ^ Crc[29] ^ Crc[31])) ^ Crc[7];
assign CrcNext[12] = (Enable & (Data[2] ^ Data[1] ^ Data[0] ^ Crc[28] ^ Crc[29] ^ Crc[30])) ^ Crc[8];
assign CrcNext[13] = (Enable & (Data[3] ^ Data[2] ^ Data[1] ^ Crc[29] ^ Crc[30] ^ Crc[31])) ^ Crc[9];
assign CrcNext[14] = (Enable & (Data[3] ^ Data[2] ^ Crc[30] ^ Crc[31])) ^ Crc[10];
assign CrcNext[15] = (Enable & (Data[3] ^ Crc[31])) ^ Crc[11];
assign CrcNext[16] = (Enable & (Data[0] ^ Crc[28])) ^ Crc[12];
assign CrcNext[17] = (Enable & (Data[1] ^ Crc[29])) ^ Crc[13];
assign CrcNext[18] = (Enable & (Data[2] ^ Crc[30])) ^ Crc[14];
assign CrcNext[19] = (Enable & (Data[3] ^ Crc[31])) ^ Crc[15];
assign CrcNext[20] = Crc[16];
assign CrcNext[21] = Crc[17];
assign CrcNext[22] = (Enable & (Data[0] ^ Crc[28])) ^ Crc[18];
assign CrcNext[23] = (Enable & (Data[1] ^ Data[0] ^ Crc[29] ^ Crc[28])) ^ Crc[19];
assign CrcNext[24] = (Enable & (Data[2] ^ Data[1] ^ Crc[30] ^ Crc[29])) ^ Crc[20];
assign CrcNext[25] = (Enable & (Data[3] ^ Data[2] ^ Crc[31] ^ Crc[30])) ^ Crc[21];
assign CrcNext[26] = (Enable & (Data[3] ^ Data[0] ^ Crc[31] ^ Crc[28])) ^ Crc[22];
assign CrcNext[27] = (Enable & (Data[1] ^ Crc[29])) ^ Crc[23];
assign CrcNext[28] = (Enable & (Data[2] ^ Crc[30])) ^ Crc[24];
assign CrcNext[29] = (Enable & (Data[3] ^ Crc[31])) ^ Crc[25];
assign CrcNext[30] = Crc[26];
assign CrcNext[31] = Crc[27];
always @ (posedge Clk or posedge Reset)
begin
if (Reset)
Crc <= 32'hffffffff;
else
if(Initialize)
Crc <= 32'hffffffff;
else
Crc <= CrcNext;
end
assign CrcError = Crc[31:0] != 32'hc704dd7b; // CRC not equal to magic number
endmodule
| 6.605847
|
module provided full functions
`include "common.v"
module EthernetModule(reset, clk_10K,
ff_clk, ff_en_source, ff_en_sink, ff_data_source, ff_data_sink, //ff_clk should be a 270.33KHz clock
phy_rxd, phy_rxen, phy_rxclk, phy_rxer,
phy_txd, phy_txen, phy_txclk, phy_txer,
phy_reset, phy_col, phy_linksts, phy_crs,
test1, test2, test3, test4
);
input reset, clk_10K, ff_clk;
output phy_reset, test1, test2, test3, test4;
input ff_en_sink, ff_data_sink; //sink is used to receive data from the demodulate module
output ff_en_source, ff_data_source;//source is used to provide the modulation module with data get from ethernet
input[3:0] phy_rxd; //MII interface for the phy chip
input phy_rxclk, phy_rxer;
output[3:0] phy_txd;
output phy_txer, phy_txen;
//declare them as inout port because when powerup reset, they act as output pins to config DM9161
//after reset, phy_txclk and phy_rxen must be input ports
inout phy_txclk, phy_col, phy_rxen, phy_linksts, phy_crs;
wire out_en;
wire rxen_in, txclk_in;
`ifdef frameIDfromRx
wire[23:0] frameid; //share the frameid between TxModule and RxModule
`endif
wire empty, start;
InitModule initModule_inst(.init_clk(clk_10K), .reset(reset), .phy_reset(phy_reset), .out_en(out_en));
tri_state tri_state_inst1(.d_in(txclk_in ), .d_out(1'b0), .out_en(out_en), .ioport(phy_txclk));
tri_state tri_state_inst2(.d_in( ), .d_out(1'b0), .out_en(out_en), .ioport(phy_col));
tri_state tri_state_inst3(.d_in(rxen_in ), .d_out(1'b0), .out_en(out_en), .ioport(phy_rxen));
tri_state tri_state_inst4(.d_in( ), .d_out(1'b0), .out_en(out_en), .ioport(phy_linksts));
tri_state tri_state_inst5(.d_in( ), .d_out(1'b1), .out_en(out_en), .ioport(phy_crs));
TxModule TxModule_inst(.reset(out_en),
.phy_txd(phy_txd), .phy_txen(phy_txen), .phy_txclk(txclk_in), .phy_txer(phy_txer),
.ff_clk(ff_clk), .ff_en(ff_en_sink), .ff_data(ff_data_sink),
`ifdef frameIDfromRx
.frameid(frameid),
`endif
.start(start),
.test1(), .test2(), .test3(), .test4());
//.test1(test1), .test2(test2), .test3(test3), .test4(test4));
RxModule RxModule_inst(.phy_rxd(phy_rxd), .phy_rxen(rxen_in), .phy_rxclk(phy_rxclk), .phy_rxer(phy_rxer),
.ff_clk(ff_clk), .ff_data(ff_data_source), .ff_en(ff_en_source),
`ifdef frameIDfromRx
.frameid(frameid),
`endif
.start(start),
//.test1(), .test2(), .test3(), .test4());
.test1(test1), .test2(test2), .test3(test3), .test4(test4));
endmodule
| 7.003451
|
module y86_seq (
input clk,
input rst,
output [31:0] bus_A,
input [31:0] bus_in,
output [31:0] bus_out,
output bus_WE,
bus_RE,
output [7:0] current_opcode
);
reg [5:1] full;
wire [4:0] ue = {full[4:1], full[5]};
always @(posedge clk) begin
if (rst) full <= 'b010000;
else full <= {ue[4], ue[3], ue[2], ue[1], ue[0]};
end
reg [31:0] IR;
always @(posedge clk) if (ue[0]) IR <= '1;
reg [31:0] IP, A, B;
wire [31:0] Aop, Bop;
wire [7:0] opcode = IR[7:0];
wire [1:0] mod = IR[15:14];
reg ZF;
wire load = ((opcode == 'b010001011) && (mod == 1));
wire move = ((opcode == 'b010001001) && (mod == 3));
wire store = ((opcode == 'b010001001) && (mod == 1));
wire memory = (load || store);
wire add = (opcode == 'b01);
wire sub = (opcode == 'b0101001);
wire halt = (opcode == 'b011110100);
wire aluop = (add || sub);
wire jnez = (opcode == 'b01110101);
wire [4:0] RD = IR[10:8];
wire [4:0] RS = IR[13:11];
wire [4:0] Aad = (memory ? 6 : RD), Bad = RS;
wire [31:0] distance = {{24{IR[15]}}, IR[15:8]};
wire [31:0] displacement = {{24{IR[23]}}, IR[23:16]};
wire btaken = (jnez && (!ZF));
wire [1:0] length = (memory ? 3 : (((aluop || move) || jnez) ? 2 : 1));
always @(posedge clk)
if (rst) IP <= 0;
else if (ue[1]) begin
A <= Aop;
B <= Bop;
if ((!halt)) begin
IP <= ((IP + length) + (btaken ? distance : 0));
end else begin
$finish;
end
end
reg [31:0] MAR, MDRw, C;
wire [31:0] ALU_op2 = (memory ? displacement : (sub ? (~B) : B));
wire [31:0] ALUout = ((A + ALU_op2) + sub);
always @(posedge clk)
if (rst) ZF = 0;
else if (ue[2]) begin
MAR <= ALUout;
C <= (move ? B : ALUout);
MDRw <= B;
if (aluop) ZF <= (ALUout == 0);
end
reg [31:0] MDRr;
always @(posedge clk) if ((ue[3] && load)) MDRr <= bus_in;
assign bus_A = (ue[3] ? MAR : (ue[0] ? IP : 0));
assign bus_RE = (ue[0] || (ue[3] && load));
reg [31:0] R[7:0];
assign Aop = R[Aad];
assign Bop = R[Bad];
assign bus_WE = (ue[3] && store);
assign bus_out = MDRw;
always @(posedge clk)
if (rst) begin
R[0] <= 0;
R[1] <= 0;
R[2] <= 0;
R[3] <= 0;
R[4] <= 0;
R[5] <= 0;
R[6] <= 0;
R[7] <= 0;
end else if (ue[4])
if (((aluop || move) || load))
if (load) R[RS] <= MDRr;
else R[RD] <= C;
assign current_opcode = opcode;
endmodule
| 6.868788
|
module top_module (
input clk,
input areset, // Freshly brainwashed Lemmings walk left.
input bump_left,
input bump_right,
output walk_left,
output walk_right
); //
parameter LEFT = 0, RIGHT = 1;
reg state, next_state;
always @(*) begin
// State transition logic
case (state)
LEFT: next_state = bump_left ? RIGHT : LEFT;
RIGHT: next_state = bump_right ? LEFT : RIGHT;
endcase
end
always @(posedge clk, posedge areset) begin
// State flip-flops with asynchronous reset
if (areset) begin
state <= LEFT;
end else begin
state <= next_state;
end
end
// Output logic
assign walk_left = (state == LEFT);
assign walk_right = (state == RIGHT);
endmodule
| 7.203305
|
module top_module (
input clk,
input L,
input r_in,
input q_in,
output reg Q
);
always @(posedge clk) begin
case (L)
1'b0: Q <= q_in;
1'b1: Q <= r_in;
endcase
end
endmodule
| 7.203305
|
module top_module (
input x,
input y,
output z
);
assign z = ~(x ^ y);
endmodule
| 7.203305
|
module updown_counter (
input [1:0] SW,
output [7:0] LED,
input CLK100MHZ
);
make_clock_1hz gate0 (
CLK100MHZ,
clk_1hz
);
implement_tic_tock_fsm gate1 (
clk_1hz,
SW,
LED
);
endmodule
| 7.294753
|
module write_to_7seg (
input CLK100MHZ,
output [7:0] AN,
output CA,
CB,
CC,
CD,
CE,
CF,
CG,
DP
);
wire [7:0] CAs;
assign CA = CAs[7];
assign CB = CAs[6];
assign CC = CAs[5];
assign CD = CAs[4];
assign CE = CAs[3];
assign CF = CAs[2];
assign CG = CAs[1];
assign DP = CAs[0];
wire outgoing_CLK1KHZ;
create_1KHZ_clock gate2 (
CLK100MHZ,
outgoing_CLK1KHZ
);
// Note, if you run this with the 100MHZ clock, the display is messed up.
// Anode PNP transistors (~35+ns to switch?) might not be fast enough to keep up?
write_17 gate1 (
outgoing_CLK1KHZ,
AN,
CAs
);
// write_17 gate1 (CLK100MHZ,AN,CAs);
endmodule
| 6.670833
|
module
module teste;
reg clk, reset, x;
wire e01;
exe01 exe1 ( e01, x, clk, reset );
initial
begin
$display("Andre Sulivam 391998");
$display("Guia 11 Ex:01\n");
$display ( "Time X Ex01" );
// initial values
clk = 1;
reset = 0;
x = 0;
// input signal changing
#5 reset = 1;
#10 x = 1;
#10 x = 0;
#10 x = 0;
#10 x = 1;
#10 x = 0;
#10 x = 1;
#10 x = 0;
#10 x = 1;
#30 $finish;
end // initial
always
#5 clk = ~clk;
always @( posedge clk )
begin
$display ( "%4d %4b %4b", $time, x, e01 );
end // always at positive edge clocking changing
endmodule
| 8.25634
|
module test_dim_LED (
input CLK100MHZ,
input [3:0] SW,
output [1:0] LED
);
assign LED[0] = 1'b1;
dim_LED gate0 (
CLK100MHZ,
LED[1],
SW[3:0]
);
endmodule
| 6.913953
|
module implement_clocks(
input CLK100MHZ,
output [7:9] JA,
output [2:0] LED,
);
wire CLK_100HZ;
// the brigntnesses on these two pins should differ
assign LED[0] = 1'b1;
assign LED[1] = CLK_50MHZ;
assign LED[2] = CLK_1kHZ;
// sending oth clocks to the PMOD pins on the lower JA header
assign JA[7] = CLK_50MHZ;
assign JA[8] = CLK_1kHZ;
assign JA[9] = 1'b1;
clk_50MHz_20ns gate0(CLK100MHZ, CLK_50MHZ);
clk_1kHz_ims gate1(CLK100MHZ, CLK_1kHZ);
endmodule
| 6.959204
|
module clk_1kHz_1ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
reg [16:0] ctr = 0;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 49_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 99_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.884424
|
module clk_100Hz_10ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
reg [19:0] ctr = 0;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 499_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 999_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 7.109824
|
module clk_10Hz_100ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 10HZ clock from a 100MHZ clock
// 10HZ clock has a period of 0.1 second = 100ms
// 100MHz / 10Hz => (100 * (1000) * (1000)) / 10 = 10,000,000 cycles
// log2(10,000,000) = 23.2, so 24 bits needed for counter
reg [23:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 4999999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 9999999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.873933
|
module clk_1Hz_1000ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 1HZ clock from a 100MHZ clock
// 1HZ clock has a period of 1 second = 1000ms
// 100MHz is 100,000,000 cycles
// log2(10,0000,000) = 26.6, so 27 bits needed for counter
reg [26:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 49_999_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 99_999_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.830282
|
modules that implement clocks at different speeds. Sample implementation is
given at the top of the module.
Assumed: incoming clock is 100MHz on a Digilent Basys3 or Nexys4DDR board
Nathan Moore, 2021-11-16
*/
//module implement_clocks(
// input CLK100MHZ,
// output [7:9] JA,
// output [2:0] LED,
// );
// wire CLK_100HZ;
// // the brigntnesses on these two pins should differ
// assign LED[0] = 1'b1;
// assign LED[1] = CLK_50MHZ;
// assign LED[2] = CLK_1kHZ;
// // sending oth clocks to the PMOD pins on the lower JA header
// assign JA[7] = CLK_50MHZ;
// assign JA[8] = CLK_1kHZ;
// assign JA[9] = 1'b1;
// clk_50MHz_20ns gate0(CLK100MHZ, CLK_50MHZ);
// clk_1kHz_ims gate1(CLK100MHZ, CLK_1kHZ);
//endmodule
| 7.670757
|
module clk_1kHz_1ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// 100MHZ is 10ns cycles.
// I want 1kHz output, 1ms cycles
// 1ms = 1_000 us = 1_000_000 ns, so # of cycles needed is
// 1_000_000 ns / 10 ns = 100k cycles
// 2^17 = 131072
reg [16:0] ctr = 0;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 49_999) begin
outgoing_CLK <= 1'b0;
ctr <= ctr + 1;
end else if (ctr == 99_999) begin
outgoing_CLK <= 1'b1;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.884424
|
module clk_100Hz_10ms(
// input incoming_CLK100MHZ,
// output reg outgoing_CLK
// );
// always @ (posedge incoming_CLK100MHZ) begin
// end
//endmodule
| 7.109824
|
module clk_10Hz_100ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 10HZ clock from a 100MHZ clock
// 10HZ clock has a period of 0.1 second = 100ms
// 100MHz / 10Hz => (100 * (1000) * (1000)) / 10 = 10,000,000 cycles
// log2(10,000,000) = 23.2, so 24 bits needed for counter
reg [23:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 4999999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 9999999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.873933
|
module clk_1Hz_1000ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 1HZ clock from a 100MHZ clock
// 1HZ clock has a period of 1 second = 1000ms
// 100MHz / 1Hz => (100 * (1000) * (1000)) / 1 = 100_000_000 cycles
// log2(100_000_000) = 26.5, so 27 bits needed for counter
reg [26:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 49_999_999) begin
ctr <= ctr + 1;
outgoing_CLK <= 1'b0;
end else if (ctr == 99_999_999) begin
ctr <= 0;
outgoing_CLK <= 1'b1;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.830282
|
module
module implement_count_up_and_display(
input CLK100MHZ,
output [8:0] LED,
output [7:0] AN,
output CA,CB,CC,CD,CE,CF,CG,DP
);
// set up the 1HZ clock
wire CLK_1HZ;
clk_1Hz_1000ms gate1( CLK100MHZ, CLK_1HZ);
// set up a counter
wire [7:0] sum;
count_ticks gate2( CLK_1HZ, sum[7:0]);
assign LED[7:0] = sum[7:0];
assign LED[8] = CLK_1HZ;
// dim the 7-segs with a kHz clock
clk_1kHz_1ms gate4(
CLK100MHZ,CLK_1kHz);
// set up the display
assign AN[7:1] = 8'b1111_110; // full brightness
assign AN[0] = CLK_1kHz; // 50% power
assign DP = 1'b1;
generate_7seg_bits gate3(sum[3], sum[2], sum[1], sum[0], CA,CB,CC,CD,CE,CF,CG);
endmodule
| 6.550435
|
module implement_clocks(
// input CLK100MHZ,
// output [7:9] JA,
// output [2:0] LED,
// );
// wire CLK_100HZ;
// // the brigntnesses on these two pins should differ
// assign LED[0] = 1'b1;
// assign LED[1] = CLK_50MHZ;
// assign LED[2] = CLK_1kHZ;
// // sending oth clocks to the PMOD pins on the lower JA header
// assign JA[7] = CLK_50MHZ;
// assign JA[8] = CLK_1kHZ;
// assign JA[9] = 1'b1;
// clk_50MHz_20ns gate0(CLK100MHZ, CLK_50MHZ);
// clk_1kHz_ims gate1(CLK100MHZ, CLK_1kHZ);
//endmodule
| 6.959204
|
module clk_2kHz_500us (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 2kHZ clock from a 100MHZ clock
// 2kHz clock has a period of 500us = 500_000ns
// 100MHz has period of 10ns
// need log2(500_000ns/10ns = 50_000 cycles) = 15.6 so 16 bits
reg [15:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 24_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 49_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.563842
|
module clk_1kHz_1ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 1000 Hz clock from a 100 MHz clock
// 1000 Hz clock has a period of 0.001 seconds, which is equal to 1ms
// 100 MHz / 1000 Hz = 100 * 10^6 / 1000 = 100,000 cycles
// log_2(100,000) = 16.61, so 17 bits are needed for the counter
reg [16:0] ctr = 0;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 49_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 99_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.884424
|
module clk_100Hz_10ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 100 Hz clock from a 100 MHz clock
// 100 Hz clock has a period of 0.01 seconds, which is equal to 10ms
// 100 MHz / 100 Hz = 100 * 10^6 / 100 = 1,000,000 cycles
// log_2(1,000,000) = 19.93, so 20 bits are needed for the counter
reg [19:0] ctr = 0;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 499_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 999_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 7.109824
|
module clk_10Hz_100ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 10HZ clock from a 100MHZ clock
// 10HZ clock has a period of 0.1 second = 100ms
// 100MHz / 10Hz => (100 * (1000) * (1000)) / 10 = 10,000,000 cycles
// log2(10,000,000) = 23.2, so 24 bits needed for counter
reg [23:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 4999999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 9999999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.873933
|
module clk_1Hz_1000ms (
input incoming_CLK100MHZ,
output reg outgoing_CLK
);
// creates 1HZ clock from a 100MHZ clock
// 1HZ clock has a period of 1 second = 1000ms
// 100MHz is 100,000,000 cycles
// log2(10,0000,000) = 26.6, so 27 bits needed for counter
reg [26:0] ctr;
always @(posedge incoming_CLK100MHZ) begin
if (ctr == 49_999_999) begin
outgoing_CLK <= 1'b1;
ctr <= ctr + 1;
end else if (ctr == 99_999_999) begin
outgoing_CLK <= 1'b0;
ctr <= 0;
end else begin
ctr <= ctr + 1;
end
end
endmodule
| 6.830282
|
module
module implement_count_up_and_display(
input CLK100MHZ,
output [8:0] LED,
output [7:0] AN,
output CA,CB,CC,CD,CE,CF,CG,DP
);
// set up the 1HZ clock
wire CLK_1HZ;
clk_1Hz_1000ms gate1( CLK100MHZ, CLK_1HZ);
// set up a counter
wire [7:0] sum;
count_ticks gate2( CLK_1HZ, sum[7:0]);
assign LED[7:0] = sum[7:0];
assign LED[8] = CLK_1HZ;
// dim the 7-segs with a kHz clock
wire CLK_1kHz;
clk_1kHz_1ms gate4( CLK100MHZ,CLK_1kHz);
// set up the display
assign AN[7:2] = 8'b1111_11;
assign AN[0] = ~CLK_1kHz; // remember, ACTIVE LOW
assign AN[1] = CLK_1kHz;
assign DP = 1'b1;
wire CA0,CB0,CC0,CD0,CE0,CF0,CG0, CA1,CB1,CC1,CD1,CE1,CF1,CG1;
// split the binary number via hex representation
generate_7seg_bits digit0(sum[3], sum[2], sum[1], sum[0], CA0,CB0,CC0,CD0,CE0,CF0,CG0);
generate_7seg_bits digit1(sum[7], sum[6], sum[5], sum[4], CA1,CB1,CC1,CD1,CE1,CF1,CG1);
// implicit multiplexer
assign CA = CLK_1kHz & CA0 | ~ CLK_1kHz & CA1;
assign CB = CLK_1kHz & CB0 | ~ CLK_1kHz & CB1;
assign CC = CLK_1kHz & CC0 | ~ CLK_1kHz & CC1;
assign CD = CLK_1kHz & CD0 | ~ CLK_1kHz & CD1;
assign CE = CLK_1kHz & CE0 | ~ CLK_1kHz & CE1;
assign CF = CLK_1kHz & CF0 | ~ CLK_1kHz & CF1;
assign CG = CLK_1kHz & CG0 | ~ CLK_1kHz & CG1;
endmodule
| 6.550435
|
module
module implement_count_up_and_display(
input CLK100MHZ,
input BTNL, // left button on Nexys4DDR
input BTNR, // right button
output [8:0] LED,
output [7:0] AN,
output CA,CB,CC,CD,CE,CF,CG,DP
);
// set up the 1HZ clock
wire CLK_1HZ;
clk_1Hz_1000ms gate1( CLK100MHZ, CLK_1HZ);
// set up a counter
wire [31:0] sum;
wire button, clear;
assign button = BTNL;
assign clear = BTNR;
count_button_push gate2( CLK_1KHZ, button, clear, sum[31:0]);
assign LED[7:0] = sum[7:0];
assign LED[8] = CLK_1HZ;
// dim the 7-segs with a kHz clock
wire CLK_1kHz;
clk_1kHz_1ms gate4( CLK100MHZ,CLK_1kHz);
wire CLK_2kHz;
clk_2kHz_500us gate5( CLK100MHZ,CLK_2kHz);
wire CLK_4kHz;
clk_4kHz_250us gate6( CLK100MHZ,CLK_4kHz);
// set up the display
wire [7:0] hot;
assign hot[0] = ( ~CLK_1kHz & ~CLK_2kHz & ~CLK_4kHz); // remember, ACTIVE LOW
assign hot[1] = ( ~CLK_1kHz & ~CLK_2kHz & CLK_4kHz);
assign hot[2] = ( ~CLK_1kHz & CLK_2kHz & ~CLK_4kHz);
assign hot[3] = ( ~CLK_1kHz & CLK_2kHz & CLK_4kHz);
assign hot[4] = ( CLK_1kHz & ~CLK_2kHz & ~CLK_4kHz);
assign hot[5] = ( CLK_1kHz & ~CLK_2kHz & CLK_4kHz);
assign hot[6] = ( CLK_1kHz & CLK_2kHz & ~CLK_4kHz);
assign hot[7] = ( CLK_1kHz & CLK_2kHz & CLK_4kHz);
assign AN[7:0] = ~ hot[7:0]; // remember, ACTIVE LOW
assign DP = 1'b1;
wire CA0,CB0,CC0,CD0,CE0,CF0,CG0, CA1,CB1,CC1,CD1,CE1,CF1,CG1;
wire CA2,CB2,CC2,CD2,CE2,CF2,CG2, CA3,CB3,CC3,CD3,CE3,CF3,CG3;
wire CA4,CB4,CC4,CD4,CE4,CF4,CG4, CA5,CB5,CC5,CD5,CE5,CF5,CG5;
wire CA6,CB6,CC6,CD6,CE6,CF6,CG6, CA7,CB7,CC7,CD7,CE7,CF7,CG7;
// split the binary number via hex representation
generate_7seg_bits digit0( sum[3], sum[2], sum[1], sum[0], CA0,CB0,CC0,CD0,CE0,CF0,CG0);
generate_7seg_bits digit1( sum[7], sum[6], sum[5], sum[4], CA1,CB1,CC1,CD1,CE1,CF1,CG1);
generate_7seg_bits digit2(sum[11], sum[10], sum[9], sum[8], CA2,CB2,CC2,CD2,CE2,CF2,CG2);
generate_7seg_bits digit3(sum[15], sum[14], sum[13], sum[12], CA3,CB3,CC3,CD3,CE3,CF3,CG3);
generate_7seg_bits digit4(sum[19], sum[18], sum[17], sum[16], CA4,CB4,CC4,CD4,CE4,CF4,CG4);
generate_7seg_bits digit5(sum[23], sum[22], sum[21], sum[20], CA5,CB5,CC5,CD5,CE5,CF5,CG5);
generate_7seg_bits digit6(sum[27], sum[26], sum[25], sum[24], CA6,CB6,CC6,CD6,CE6,CF6,CG6);
generate_7seg_bits digit7(sum[31], sum[30], sum[29], sum[28], CA7,CB7,CC7,CD7,CE7,CF7,CG7);
// implicit multiplexer
assign CA = hot[0] & CA0 | hot[1] & CA1 | hot[2] & CA2 | hot[3] & CA3 | hot[4] & CA4 | hot[5] & CA5 | hot[6] & CA6 | hot[7] & CA7;
assign CB = hot[0] & CB0 | hot[1] & CB1 | hot[2] & CB2 | hot[3] & CB3 | hot[4] & CB4 | hot[5] & CB5 | hot[6] & CB6 | hot[7] & CB7;
assign CC = hot[0] & CC0 | hot[1] & CC1 | hot[2] & CC2 | hot[3] & CC3 | hot[4] & CC4 | hot[5] & CC5 | hot[6] & CC6 | hot[7] & CC7;
assign CD = hot[0] & CD0 | hot[1] & CD1 | hot[2] & CD2 | hot[3] & CD3 | hot[4] & CD4 | hot[5] & CD5 | hot[6] & CD6 | hot[7] & CD7;
assign CE = hot[0] & CE0 | hot[1] & CE1 | hot[2] & CE2 | hot[3] & CE3 | hot[4] & CE4 | hot[5] & CE5 | hot[6] & CE6 | hot[7] & CE7;
assign CF = hot[0] & CF0 | hot[1] & CF1 | hot[2] & CF2 | hot[3] & CF3 | hot[4] & CF4 | hot[5] & CF5 | hot[6] & CF6 | hot[7] & CF7;
assign CG = hot[0] & CG0 | hot[1] & CG1 | hot[2] & CG2 | hot[3] & CG3 | hot[4] & CG4 | hot[5] & CG5 | hot[6] & CG6 | hot[7] & CG7;
endmodule
| 6.550435
|
module count_button_push (
input CLK_IN,
input button,
input clear,
output reg [31:0] sum_out
);
always @(posedge CLK_IN) begin
if (clear == 1) begin
sum_out <= 0;
end else if (button == 1 && clear == 0) begin
sum_out <= sum_out + 32'b0000_0000_0000_0000_0000_0000_0000_0001;
end
end
endmodule
| 6.736335
|
module top_module (
input clk,
input areset, // Freshly brainwashed Lemmings walk left.
input bump_left,
input bump_right,
input ground,
output walk_left,
output walk_right,
output aaah
);
parameter [1:0] LEFT = 2'b00, RIGHT = 2'b01, FALL_L = 2'b10, FALL_R = 2'b11;
reg [1:0] state, nextstate;
always @(*) begin
case (state)
LEFT: nextstate = (~ground) ? FALL_L : (bump_left ? RIGHT : LEFT);
RIGHT: nextstate = (~ground) ? FALL_R : (bump_right ? LEFT : RIGHT);
FALL_L: nextstate = (~ground) ? FALL_L : LEFT;
FALL_R: nextstate = (~ground) ? FALL_R : RIGHT;
endcase
end
always @(posedge clk, posedge areset) begin
if (areset) state <= LEFT;
else state <= nextstate;
end
assign walk_left = (state == LEFT);
assign walk_right = (state == RIGHT);
assign aaah = (state == FALL_L | state == FALL_R);
endmodule
| 7.203305
|
module top_module (
input clk,
input L,
input r_in,
input q_in,
output reg Q
);
always @(posedge clk) begin
Q <= L ? r_in : q_in;
end
endmodule
| 7.203305
|
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