SMRTR ProgrammingMay 5, 2026lobste.rs

Building my own Vi text editor in BASIC

SMRTR summary

yvi is a minimal Vi/Vim clone written in Yabasic, growing from 100 to 500 lines. It supports core Vim features like mode switching, word navigation, search, undo, and line deletion — likely the only Vi clone written in BASIC.

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