War Games on real IMSAI 8080 hardware with VTI

The demo shown in the video is a reproduction of the last scenes from the movie War Games by John Badham, where a program named Joshua is trying to beat himself in a tictactoe match, in order to finalize a launch sequence for ICBM missiles, and win the World War III. The external monitor is connected to the VTI board, which provides a memorymapped screen with text (64x16 chars) and midresolution graphics (128x48 pixels). The graphics are drawn through VTILib by Francesco Sblendorio Hardware specs : IMSAI 8080 with 8080A Cpu 64 kb ram 2 x serial 882SIO FDC controller Lead Siegler ADM3A as terminal VTI Polymorpich Video Terminal Interface composite b, w monitor Serial speech synthesizer the demo was presented at the fourteenth edition of Brusaporto (BGItaly) on October 3, 2021 by, Retrocampus team The team are composed by : Andrea Matteucci ( Hardware providing and fix) Claudio Parmigiani ( Hardware consulting)