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Nicholas Orlowsky 2024-01-31 21:04:52 -06:00
parent e679a3ce68
commit f715709942
9 changed files with 550 additions and 469 deletions
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22
rng.sv
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@ -1,19 +1,19 @@
module rng (
input wire clk_in,
input wire [15:0] pc,
input bit keyboard [15:0],
input bit keyboard[15:0],
input int cycle_counter,
output bit [7:0] rand_bit
);
);
bit [7:0] last;
always_ff @(posedge clk_in) begin
for (int i = 0; i < 8; i++) begin
rand_bit[i] ^= ~keyboard[i] ? cycle_counter[i] : cycle_counter[7-i];
rand_bit[i] ^= (cycle_counter % 7) == 0 ? pc[i] : ~pc[i];
rand_bit[i] ^= keyboard[i+7] ? ~last[i] : last[i];
end
last = rand_bit;
bit [7:0] last;
always_ff @(posedge clk_in) begin
for (int i = 0; i < 8; i++) begin
rand_bit[i] ^= ~keyboard[i] ? cycle_counter[i] : cycle_counter[7-i];
rand_bit[i] ^= (cycle_counter % 7) == 0 ? pc[i] : ~pc[i];
rand_bit[i] ^= keyboard[i+7] ? ~last[i] : last[i];
end
last = rand_bit;
end
endmodule