v5.0.0 - 20220422

• Use I4 instead of RGBA8 for fonts (much less memory). [Daryl]
• When unable to load the default rom directory, just drop into device
  root. Don't show an error when unable to find a load device. [Daryl]
• Silence a few warnings. [Daryl]
• Remove S9xChooseMovieFilename. [bearoso]
• Remove S9xSetPalette. [bearoso]
• Remove S9xChooseFilename. [bearoso]
  This is integration of the frontend with the core. Disable
  the snapshot button mappings that use it. Any frontend should
  implement those port commands its own.
• Load cover images directly from file instead of an
  intermediary buffer. [Daryl]
• Correct aspect ratio by changing viWidth to 644. [vaguerant]
• Add ability to change the player mapped to a
  connected (Wireless) controller. [Tantric]
• Change max game image dimensions to 640x480, fix bug
  in png loading. [Tantric]
• Add support for Mayflash 2-port SNES USB adapter. [EthanArmbrust]
• New scanlines filter setting. (thanks Tanooki16!)
  Now nicknamed 50% and 25% for RX, I added the option to select between both,
  so you can choose whether you like darker scanlines (old method)
  or subtler ones (new method).
• Add A+B+SELECT+START for back to menu on Wiimote controller extensions.
  Based on the similar commit by Tantric for Snes9xGX.
• If arguments are passed to the emu to autoboot a game, then the main
  menu button should be labelled Exit, and leave the emu instead of going
  back to the main menu. Cleanup autoboot code. [Tantric]
• Add support for mapping more than 128KByte SRAM. [cout/qwertymodo]
• Add 128KByte SRAM support in cheats. [qwertymodo]
• New Scale2x filter added. (thanks Tanooki16!)
  Originally developed by Andrea Mazzoleni for the AdvanceMAME project.
  http://www.scale2x.it/
• Add support for Speedlink Hornet Gamepad USB. (thanks revvv!)
• Prevent cheat name overflow. [Daryl]
• Support forwarders that pass in sd1:/ [Tantric]
• Add ability of FastROM hacks to use SuperFX. [bladeoner]
• Set SRAM initialization to set whole buffer. [bearoso]
  ...not just a few bytes. Add a TODO comment at allocation.
  These never change, so they should ideally be static.
• Add heuristic to detect 6MB Earthbound hack.
  Makes "Mother 2 Deluxe" romhack playable.
• UStealth support.
• Wii 480p video fix. [Extrems]
• More 3rd party controllers support. [Tantric]
  Fix 3rd party classic controllers that don't send calibration data.
  For those controllers, use default values.
• Important readme updates.