WarGames 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 tic-tac-toe 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 memory-mapped screen with text (64x16 chars) and mid-resolution graphics (128x48 pixels). The graphics are drawn through VTI-Lib by Francesco Sblendorio () Hardware specs : - IMSAI 8080 with 8080A Cpu - 64 kb ram - 2 x serial 882SIO - FDC controller - Lead Siegler ADM-3A as terminal - VTI Polymorpich Video Terminal Interface composite b/w monitor - Serial speech synthesizer the demo was presented at the fourteenth edition of Brusaporto (BG-Italy) on October 3, 2021 by #Retrocampus team The team are composed by : Andrea Matteucci ( Hardware providing and fix) Claudio Parmigiani ( Hardware consulting)