Concurrent CP/M

Concurrent CP/M was an operating system for micro computers developed by Digital Research. It can be configured as a single or multiuser multitasking system. Compared to CP/M-86 it supported also PC DOS programs and can work with DOS floppy disk formats.

Functions
Concurrent CP/M-86 is composed of several distinct modules:
 * Supervisor (SUP)
 * Real-Time Monitor (RTM)
 * Memory Management Module (MEM)
 * Character I/O Module (CIO)
 * Virtual Console Screen Manager
 * Basic Disk Operating System (BOOS)
 * Extended I/O System (XIOS)
 * Terminal Message Processor (TMP)

Programming Tools

 * ASM-86
 * DDT-86

Publications

 * DRI
 * Concurrent CP/M Operating System User's Guide
 * Concurrent CP/M Operating System Programmer's Reference Guide
 * Concurrent CP/M Operatinq System Programmer's Utilities Guide
 * Concurrent CP/M Operating System - System Guide (Jan 1984)

Versions

 * 1982: Concurrent CP/M-86 1.0
 * May 1983: Concurrent CP/M-86 3.1