DR Assembler Plus Tools by Digital Research consists of a native-code assembler plus a set of software development tools including a linker, librarian, cross-reference utility, and symbolic instruction debugger. The assembler is for programmers working on complex tasks requiring maximum speed and minimum space. The linker combines relocatable object files into executable command files with overlay support. The librarian creates and maintains module libraries. The cross-reference utility shows symbolic name usage. The debugger allows debugging with symbolic names.\n\nOriginal retail price: $200 (Westico Professional CP/M Software Catalog for ADAM, 1984)
Requires CP/M 2.2 and Disk drive.