TC11 DECtape System Engineering Drawings

This document provides the complete engineering documentation for the TC11 DECtape controller. It includes:

• A Master Drawing List covering all modules and sub-assemblies (e.g., control modules, address selectors, data registers).
• Logic Schematics for core components like the M105 address selector, M228 mark track decoder, M796 bus controller, and power control units.
• Wiring Information including detailed wire lists and connection tables.
• Timing Diagrams showing the operational sequence of the TC11 slave response, NPR data transfers, and general control signal timing.