Getting into Virtual Console Development

If you're looking for a virtual console development environment, here are the ones I know about. Use the Pico-8 for easy mode, go for the 6502 Atari assembler if you want to torture yourself. Your mileage may vary.

Atari 2600 Assembly Language Emulator https://8bitworkshop.com/v3.6.0/?platform=vcs&file=examples%2Fhello.a

Liko-12 https://liko-12.github.io/#/ https://ramilego4game.itch.io/liko12

Nano https://morgan3d.github.io/nano/

Pico-8 https://www.lexaloffle.com/pico-8.php

Pixel Vision 8 https://pixelvision8.github.io/PixelVision8Website/

Quadplay https://github.com/morgan3d/quadplay

Tic-80 Tiny Computer https://tic80.com

Voxatron Voxel Based Console https://www.lexaloffle.com/voxatron.php