Manual for DDP-416

The DDP-416 is a solid-state, 16-bit binary word, general purpose computer with an internally stored program. It features a 0.96 µsec memory cycle time and expandable memory from 4K to 16K. The machine has a fully parallel organization and multilevel indirect addressing capabilities. Standard features include a flexible repertoire of 30 commands, a powerful I/O bus structure, standard teletype I/O equipment, and a full line of options and peripheral devices. The 16-bit word supports a "sectorized" addressing scheme and is compatible with ASCII 8-bit character code.