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authorEddie Hung <eddie@fpgeh.com>2019-11-19 15:40:39 -0800
committerEddie Hung <eddie@fpgeh.com>2019-11-19 15:40:39 -0800
commit09ee96e8c22ec692ee3ee31b8c211646eabbcf27 (patch)
tree8b24dad9db0013ee3db20326b00941bd2abb10d1 /tests/arch/common/latches.v
parent304e5f9ea45b8a4e2a28aba7f2820d1862377fef (diff)
parent7ea0a5937ba2572f6d9d62e73e24df480c49561d (diff)
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Merge remote-tracking branch 'origin/master' into xaig_dff
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-rw-r--r--tests/arch/common/latches.v21
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/arch/common/latches.v b/tests/arch/common/latches.v
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+module latchp ( input d, clk, en, output reg q );
+ always @*
+ if ( en )
+ q <= d;
+endmodule
+
+module latchn ( input d, clk, en, output reg q );
+ always @*
+ if ( !en )
+ q <= d;
+endmodule
+
+module latchsr ( input d, clk, en, clr, pre, output reg q );
+ always @*
+ if ( clr )
+ q <= 1'b0;
+ else if ( pre )
+ q <= 1'b1;
+ else if ( en )
+ q <= d;
+endmodule