IAS Device Handlers

This manual provides technical documentation for the IAS (IAS Version 3.4) device handler tasks, which manage I/O for various peripheral devices supported by Digital Equipment Corporation. The document includes detailed information on: - Common handler task characteristics and QIO system directives. - Terminal handlers (including single-terminal and multiple-terminal configurations, and escape sequence support). - AFC-11 and AD01 Analog-to-Digital converters. - Disk handlers for various storage devices (e.g., disks, cartridges, flexible disks). - UDC-11 handlers. - Magnetic tape and DECtape handlers. - LPS11 (Laboratory Peripheral System) handler. - Card reader, line printer, message output, and paper tape handlers. - A complete listing of the QIOMAC macro library for I/O functions and status returns.