Labels:book | bulletin board | crt screen | monitor | person | poster | reckoner | sky OCR: DISPLAY SYSTEM INTERFACES 4K byte memory -mapped display memory in top Serial RS -232C page of main memory 1200 10 300 baud selectable in software bit wide display memory bit ACSII plus DTR (pin 20) handshaking input to control underline and half-intensity attributes transmission data Scrolling performed by hardware in vertical and Modem pin plug for use with external DCE horizontal directions type modem Solid underline cursor Adapter allows connection of modem and White video on dark background printer simultaneously 24 lines of 52 characters visible IEEE 188 General Purpose Instrumentation Bus) 32 lines of 128 characters video memory over Controller only talker and listener which window may be moved Keyboard connects to keyboard through detach- 10 scan lines per character line able cable ...
