| <h3 id='___change_net'>change_net</h3> | |
| <pre>ECO command. Change a existing net's driver | |
| <b>Usage:</b> change_net($net, $gate, $instance, $connections); | |
| $net: The net to be ECOed | |
| $gate: New leaf gate to drive the net | |
| $instance: The instance name of the new gate. Optional, if it is empty, assigned by the tool | |
| $connections: The new gate input pins connections. If it is empty, the gate is inserted in the net | |
| Supported formats, 1. Very detail ".A(net0),.B(net1),.C(net2)" | |
| 2. Connect to the pins in alphabetical sequence | |
| "net1,net0,net2" indicating A->net1,B->net0,C->net2 | |
| 3. Other instance/pin "U408/Y,U409/Y,net2" indicating A->U408/Y,B->U409/Y,C->net2 | |
| 4. Special character '-' is used to connect up the original connection | |
| <b>Examples:</b> | |
| #1. Drive n123 with BUFX2 driven by n40 | |
| change_net("n123", "BUFX2", "", "n40"); | |
| #2. Drive n123 with AND2X2 driven by n40 and original n123 driver | |
| change_net("n123", "AND2X2", "", "-,n40"); | |
| #3. Insert a buffer into n123 | |
| change_net("n123", "BUFX2"); | |
| </pre> |