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Merge pull request #2156 from XarkLabs/master 

Fix Verilator sim warnings: 1 BLKSEQ and 3 WIDTH
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N. Engelhardt 2020-06-16 12:31:34 +02:00 committed by GitHub
parent 334ec5fa0a 9509444ef2
commit 39ba90a8b8
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1 changed files with 7 additions and 7 deletions
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14
techlibs/ice40/cells_sim.v
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@ -2508,7 +2508,7 @@ module SB_SPRAM256KA (
always @(negedge POWEROFF) begin always @(negedge POWEROFF) begin
for (i = 0; i <= 16383; i = i+1) for (i = 0; i <= 16383; i = i+1)
mem[i] = 'bx; mem[i] = 16'bx;
end end
always @(posedge CLOCK, posedge off) begin always @(posedge CLOCK, posedge off) begin
@ -2516,17 +2516,17 @@ module SB_SPRAM256KA (
DATAOUT <= 0; DATAOUT <= 0;
end else end else
if (STANDBY) begin if (STANDBY) begin
DATAOUT <= 'bx; DATAOUT <= 16'bx;
end else end else
if (CHIPSELECT) begin if (CHIPSELECT) begin
if (!WREN) begin if (!WREN) begin
DATAOUT <= mem[ADDRESS]; DATAOUT <= mem[ADDRESS];
end else begin end else begin
if (MASKWREN[0]) mem[ADDRESS][ 3: 0] = DATAIN[ 3: 0]; if (MASKWREN[0]) mem[ADDRESS][ 3: 0] <= DATAIN[ 3: 0];
if (MASKWREN[1]) mem[ADDRESS][ 7: 4] = DATAIN[ 7: 4]; if (MASKWREN[1]) mem[ADDRESS][ 7: 4] <= DATAIN[ 7: 4];
if (MASKWREN[2]) mem[ADDRESS][11: 8] = DATAIN[11: 8]; if (MASKWREN[2]) mem[ADDRESS][11: 8] <= DATAIN[11: 8];
if (MASKWREN[3]) mem[ADDRESS][15:12] = DATAIN[15:12]; if (MASKWREN[3]) mem[ADDRESS][15:12] <= DATAIN[15:12];
DATAOUT <= 'bx; DATAOUT <= 16'bx;
end end
end end
end end