COMM-DRV/Dos Cost: $189 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions COMM-DRV/Dos: Serial communication TSR/Driver that provides the FOSSIL, INT14h, and INT21h interface concurrently under MSDOS. Any language/tool that can read and write to files may read/write to the serial port. Includes (XYZ)modem file transfer engines, TSR to stuff serial communications data into keyboard buffer, dumb terminal emulator, multiterminal program, and a mini-BBS for uploading and downloading files.