ZAP
From Just Solve the File Format Problem
ZAP is an Infocom interactive fiction language, at the "assembly" level (intermediary between high-level ZIL and the low-level virtual-machine code Z-code).
Tools
- ZILF: Tools for working with ZIL, including a compiler that produces ZAP
- VirtualStudio ZIL support files
Sample files
- Historical Source (Infocom source code including ZAP files)