Outline of a README file.

README.md

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+higan, the multi-system emulator
+================================
+
+higan emulates a number of classic videogame consoles of the 1980s and 1990s,
+allowing you to play classic games on a modern general-purpose computer.
+
+As of v102,
+higan has top-tier support for the following consoles:
+
+  - Nintendo Super Famicom/Super Nintendo Entertainment System,
+    including addon hardware:
+      - Super Game Boy
+      - Sufami Turbo
+  - Nintendo Game Boy Advance
+
+It also includes some level of support for these consoles:
+
+  - BS-X Satellaview addon for the Super Famicom
+  - Nintendo Famicom/Nintendo Entertainment System
+  - Nintendo Game Boy
+  - Nintendo Game Boy Color
+  - Sega Master System
+  - Sega Game Gear
+  - Sega Megadrive/Genesis
+  - NEC PC Engine/TurboGrafx 16 (but not the CD-ROM² System/TurboGrafx-CD)
+  - NEC SuperGrafx
+  - Bandai Wonderswan
+  - Bandai Wonderswan Color
+
+higan is actively supported on
+FreeBSD 10 and above, and
+Microsoft Windows XP and above.
+It also includes some level of support
+for GNU/Linux and macOS.
+
+About this document
+-------------------
+
+This is the unofficial higan README,
+a community-maintained introduction and reference.
+It may be out of date
+by the time you read this,
+and it may contain errors or omissions.
+If you find something that's wrong,
+or you have a suggestion,
+see "Unofficial higan resources" below.
+
+Official higan resources
+------------------------
+
+Unofficial higan resources
+--------------------------
+
+- the git repo
+- hunterk's quark shaders
+- mercurial magic for MSU-1 games
+
+- the most important higan forks?
+
+Installing higan
+================
+
+Installing an official release on Windows
+-----------------------------------------
+
+Installing an official release on Linux
+---------------------------------------
+
+Compiling from source on Windows
+--------------------------------
+
+Compiling from source on Linux
+------------------------------
+
+Installing the GBA BIOS
+-----------------------
+
+Importing games
+===============
+
+What's a game folder?
+---------------------
+
+Importing regular games
+-----------------------
+
+Importing games with co-processor firmware
+------------------------------------------
+
+Importing BS-X games
+--------------------
+
+Importing Sufami Turbo games
+----------------------------
+
+Importing Super Game Boy games
+------------------------------
+
+Importing MSU-1 games
+---------------------
+
+Configuring higan
+=================
+
+Drivers
+-------
+
+Installing custom shaders
+-------------------------
+
+Controls
+--------
+
+Notes on specific emulation cores
+=================================
+
+The WonderSwan rotates!
+
+Shaders look weird on SNES because of interlace/hi-res
+
+Frequently Asked Questions
+==========================
+
+where is the vsync option?
+
+exclusive full-screen?
+
+phones and tablets