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Added level-triggered reset support to GP_COUNTx simulation models

This commit is contained in:
Andrew Zonenberg 2017-08-07 20:29:05 -07:00
parent ac75524f69
commit b049ead042
1 changed files with 68 additions and 2 deletions
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70
techlibs/greenpak4/cells_sim_digital.v
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@ -86,6 +86,14 @@ module GP_COUNT14(input CLK, input wire RST, output reg OUT);
end end
"LEVEL": begin "LEVEL": begin
always @(posedge CLK or RST) begin
count <= count - 1'd1;
if(count == 0)
count <= COUNT_TO;
if(RST)
count <= 0;
end
end end
default: begin default: begin
@ -178,7 +186,7 @@ module GP_COUNT14_ADV(input CLK, input RST, output reg OUT,
count <= COUNT_TO; count <= COUNT_TO;
//Resets //Resets
if(RST) begin if(!RST) begin
if(RESET_VALUE == "ZERO") if(RESET_VALUE == "ZERO")
count <= 0; count <= 0;
else else
@ -196,6 +204,31 @@ module GP_COUNT14_ADV(input CLK, input RST, output reg OUT,
end end
"LEVEL": begin "LEVEL": begin
always @(posedge CLK or RST) begin
//Main counter
if(KEEP) begin
end
else if(UP)
count <= count + 1'd1;
else
count <= count - 1'd1;
//Wrapping
if(count == 0 && !UP)
count <= COUNT_TO;
if(count == 14'h3fff && UP)
count <= COUNT_TO;
//Resets
if(RST) begin
if(RESET_VALUE == "ZERO")
count <= 0;
else
count <= COUNT_TO;
end
end
end end
default: begin default: begin
@ -288,7 +321,7 @@ module GP_COUNT8_ADV(input CLK, input RST, output reg OUT,
count <= COUNT_TO; count <= COUNT_TO;
//Resets //Resets
if(RST) begin if(!RST) begin
if(RESET_VALUE == "ZERO") if(RESET_VALUE == "ZERO")
count <= 0; count <= 0;
else else
@ -306,6 +339,31 @@ module GP_COUNT8_ADV(input CLK, input RST, output reg OUT,
end end
"LEVEL": begin "LEVEL": begin
always @(posedge CLK or RST) begin
//Main counter
if(KEEP) begin
end
else if(UP)
count <= count + 1'd1;
else
count <= count - 1'd1;
//Wrapping
if(count == 0 && !UP)
count <= COUNT_TO;
if(count == 8'hff && UP)
count <= COUNT_TO;
//Resets
if(RST) begin
if(RESET_VALUE == "ZERO")
count <= 0;
else
count <= COUNT_TO;
end
end
end end
default: begin default: begin
@ -381,6 +439,14 @@ module GP_COUNT8(
end end
"LEVEL": begin "LEVEL": begin
always @(posedge CLK or RST) begin
count <= count - 1'd1;
if(count == 0)
count <= COUNT_TO;
if(RST)
count <= 0;
end
end end
default: begin default: begin