VTIcompose - A Powerful Graphical Chip Assembly Tool

VTIcompose is a graphical chip assembly tool. It is designed to ease the assembly of large-scale custom chips in a hierarchical manner, leaving the detailed cell design to other tools in the system. VTIcompose supports both manual and automatic placement and interconnection, with commands and data structures applicable to both exact placement and symbolic style layout. The wide range of commands allows VTIcompose to support a wide range of chip design styles.