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Move (most of) ExOth and ExAdv slides

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Krystine Sherwin 2023-08-07 12:58:40 +12:00
parent 7ab051778e
commit 8ade2182b0
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docs/resources/PRESENTATION_ExOth/axis_master.v Normal file
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module axis_master(aclk, aresetn, tvalid, tready, tdata);
input aclk, aresetn, tready;
output reg tvalid;
output reg [7:0] tdata;
reg [31:0] state;
always @(posedge aclk) begin
if (!aresetn) begin
state <= 314159265;
tvalid <= 0;
tdata <= 'bx;
end else begin
if (tvalid && tready)
tvalid <= 0;
if (!tvalid || !tready) begin
// ^- should not be inverted!
state = state ^ state << 13;
state = state ^ state >> 7;
state = state ^ state << 17;
if (state[9:8] == 0) begin
tvalid <= 1;
tdata <= state;
end
end
end
end
endmodule