#+TITLE: Emulation

Emulation is the process of simulating a computer with an interpreter that runs the bytecode of compiled programs for that machine.
It's most commonly used to run operating systems inside of others or to play video games.

* Future Reading
http://imrannazar.com/GameBoy-Emulation-in-JavaScript:-The-CPU
https://stackoverflow.com/questions/448673/how-do-emulators-work-and-how-are-they-written#448689
https://github.com/vascofazza/8bit-cpu
https://copetti.org/projects/consoles/nintendo-64/
https://www.youtube.com/watch?v=OjaAToVkoTw&app=desktop
https://www.reddit.com/r/ProgrammingLanguages/comments/deuqx3/write_your_own_virtual_machine/
https://andrewkelley.me/post/jamulator.html
https://stackoverflow.com/questions/11215689/why-does-emulation-have-to-be-done-in-real-time
https://www.internalpointers.com/post/introduction-virtual-memory
https://gist.github.com/hellerbarde/2843375

* PCI Passthrough
A technique for getting near-native performance in an emulator.
https://www.reddit.com/r/VFIO/comments/hyerum/problem_with_pci_passthrough_in_kvmqemu/
https://dominicm.com/gpu-passthrough-qemu-arch-linux/
[[https://github.com/mattrberry/CryBoy][game boy em]]
[[https://github.com/mattrberry/chip-8_nim][chip8 em in nim]]
https://wiki.xxiivv.com/site/gyo.html

[[https://reddit.com/r/osdev/comments/hud8y2/i_got_my_gameboy_emulator_running_in_my_os][I got my Gameboy emulator running in my OS!]]
https://github.com/michelhe/rustboyadvance-ng
https://github.com/vascofazza/8bit-cpu
https://github.com/Two9A/jsGB

[[https://copetti.org/projects/consoles/nintendo-64/][nintendo arch]]itecture breakdown
[[https://github.com/kesiev/rewtro][papercraft videogame cartridges]]
[[https://christine.website/blog/super-bootable-64-2020-05-06][Super Bootable 64 - Christine Dodrill]]
https://www.multicians.org/simulator.html
[[https://www.youtube.com/watch?app=desktop&v=HyzD8pNlpwI][emulation]]
https://github.com/TheLocust3/full-stack-vm
https://jakekinsella.com/projects/intel8080/
[[https://cutebunni.es/b/vicera_part1.html][8 bit fantasy console like the game boy!]]

* CPU Emulation
[[https://www.excamera.com/sphinx/fpga-j1.html][forth fpga cpu]] [[file:forth.org][Forth]]
[[file:lisp.org][Lisp]] machines
- https://frank-buss.de/lispcpu/
- https://stevelosh.com/blog/2016/12/chip8-cpu/
https://stackoverflow.com/questions/448673/how-do-emulators-work-and-how-are-they-written#448689

* chips!
https://blog.scottlogic.com/2017/12/13/chip8-emulator-webassembly-rust.html
https://github.com/origamitower/purr-site? can't remember exactly why i saved this
http://www.michaelburge.us/2019/03/18/nes-design.html implementing a nes emulator in rust!
https://prilik.com/blog/post/widenes/ the basic overview of how the nes works!