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F256-Wizfi360

F256-Wizfi360

TheoIm

Published February 19, 2026

Original author: cmassat · United States of AmericaOriginal source (new tab)

F256-Wizfi360

Components

Hardware components

Project description

This project turns a Foenix F256 (65C02) into a VT100-style network terminal by delegating Wi-Fi and TCP/IP to the WIZnet WizFi360 over UART. A cooperative event loop reads keystrokes, parses ANSI/VT100 escape sequences, and renders 80×30 text while asynchronously draining WizFi360 responses for live, retro “wireless internet” sessions. What the project actually does (code-verified) At boot, the program initializes the text screen, TX/RX, the WizFi360 controller, and the VT100 parser—then runs a tight cooperative loop that never relies on an OS or C runtime. The loop services input/events…

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