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By janost
#73608 Yes, I have done it.

Uses DMA and 10% CPU without the need to yield()

Resolutions are NTSC 256x192, 320x200 and 512x224 B/W.
Double vertical resolution in interlaced mode.

Only 2 resistors and one pin needed for composite output.
Currently strugling with making it color.

Gonna make it into the ESP8266-TVout library.

Wont release it officialy until it's finished though.
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By hubert
#87531 There are a lot of emulators, Z80, 6502, Apple 1, PC-XT usw.
found on Hackaday.
https://hackaday.com/2018/02/26/pc-xt-emulator-on-esp8266/
They do not use the Code for Arduinos.
They use the I2S and DMA for output.
I had an old LCD with CVBS input, so I took an wemos D1 mini and the Apple 1 emulator Software, wih a ca. 7MHz low pass Filter between esp and Display.