Author: Michael S. Wolfberg and Robb N. Russell,

Massachusetts Computer Associates, Wakefield, MA

Operating System: Paper Tape

Source Language: Assembly Language

Memory Required: 8K

Abstract: XDDT, the result of merging the features of the DDT-UP

(DECUS NO. 8-19a) and XOD (DECUS NO. 8-89), is an octal-symbolic

debugging program for extended memory which preserves the status of

the program interrupt system at breakpoints and includes many improvements

over its predecessors.

From the Teletype, the user can symbolically examine and modify the

contents of any memory location in a variety of formats. Positive and

negative block searches with a mask may also be performed.

XDDT includes an elaborate single-breakpoint facility to help the user

run sections of his program.

The ability to punch binary tapes is not included in XDDT.

Note: See also 8-527 for PDP-8e compatable version

Media Price Code: A2, B6, F5

Catalog: August 1978