http://gothub.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion/dbalsom/martypc
MartyPC takes a unique approach to PC video card emulation by simulating the entire display field - including overscan. Composite output and monitor simulation is supported, via reenigne's excellent composite conversion code (also used by DOSBox and 86Box) TGA - A character-clocked implementation of the PCJr and Tandy Graphics Video Gate Array.