1 files changed, 23 insertions, 0 deletions
diff --git a/manual/PRESENTATION_Intro/mycells.v b/manual/PRESENTATION_Intro/mycells.v
new file mode 100644
index 000000000..802f58718
--- /dev/null
+++ b/manual/PRESENTATION_Intro/mycells.v
@@ -0,0 +1,23 @@
+
+module NOT(A, Y);
+input A;
+output Y = ~A;
+endmodule
+
+module NAND(A, B, Y);
+input A, B;
+output Y = ~(A & B);
+endmodule
+
+module NOR(A, B, Y);
+input A, B;
+output Y = ~(A | B);
+endmodule
+
+module DFF(C, D, Q);
+input C, D;
+output reg Q;
+always @(posedge C)
+	Q <= D;
+endmodule
+