Straight forward. No crashing tonight. Glass of stale cab sav – I wonder if that’s what makes the difference??
module KEY_AND_LED ( A, B, F );
input A,B; output F; assign F = A & B;
Nothing exciting here, no buttons then no lit LED, any or all buttons then LED lights.
So I bumped the inputs and played around with views.
module KEY_AND_LED ( A, B,C, F );
input A,B,C; output F; assign F = A & B & C;
Becomes, in the RTL view:
As you might expect, it thence becomes in the technology map view:
More interesting is:
And finally, voila! it becomes:
Of course, you can chase down the input/output pins as well:
To close the loop: