MiSTer updates and changelog

[alanswx]

Super Zaxxon
- Super Zaxxon added to Zaxxon core. Thank you to Gehstock and DAR.

[gaz68]

Mario Bros
- New arcade core.

[Sorgelig]

Minimig:
- Support for shared folder for rapid file exchange with outer world.
Read the updated read me about shared folder. Treat it as beta stage currently. It may have bugs, so be careful when you manage your files!
Note: you have to update Main to latest version!

Main:
- minimig: support for shared folder.
- OSD: fix items bellow the DIP if it's absent.
- OSD: prevent trigger of back button after unmounting key combo.
- atari st: enable recent menu for floppy/hdd/cart.
- megacd: support subfolders with cd_bios.rom per folder. Useful for automatic region setting per sub-folder.

[Sorgelig]

Main:
- input: Better way to keep controller assigned to specific player while connecting/disconnecting of input devices.
- input: support skips in keyboard definition (for pseudo-keyboard devices) (User button on I/O board to skip).
- input: assign controller to a player only by pressing button "A" (to reduce unintended auto-assignments)
- minimig: fix path handling in shared folder.
- minimig: support for mouse wheel.
- Other fixes and tweaks.

Minimig:
- Support for mouse wheel.
Note: you need to update the Main as well!

[Sorgelig]

Gameboy:
- SGB multiplayer and various fixes from paulb-nl
- CPU fix from brNX.

[Sorgelig]

SNES:
- Fixes from srg320

[Sorgelig]

Genesis:
- Tweak the reset OSD option to act more like the reset button on the real HW (Shane Lynch)
- Reorganize the OSD
- Update the framework.

[alanswx]

Laser310
- new core by zzemu-cn, with help from Gehstock, Steddyman, SpacexGuy, and dshadoff
- loads vz snapshots
- joystick works
- no sound, video timings aren't perfect, no disk support

[Sorgelig]

Amstrad:
- Use new GA module from Gyurco based on decapped schematics.
- Fixes in PSG.
- More workarounds for tricky demos (S&KOH)
- Re-organize the OSD
- Update the framework.

[Sorgelig]

Main:
- pcecd: fix Kabuki Itouryodan (srg320).
- minimig: fix zip handling in shared folder.
- Add shared_folder INI option (for minimig).
- Implemented type-to-filter functionality (Oskar Sigvardsson).
- other fixes.

[Sorgelig]

Main:
- Fix: Menu core display "no files" upon warm reboot.
- Fix "select" button on X-Box controllers.

[alanswx]

Irem62
+ Grey Rogue fixed sprite color problem in a few of the games kid niki - kung fu

[Ace]

Arkanoid:
-Convert from VHDL to SystemVerilog
-Fix audio aliasing issues
-Add audio low-pass filter
-Lower core volume
-Partial fix for Easy difficulty
-Move DIP switches from core to MRAs
-Fix missing brick on Round 28
-New MRAs for regional variants
-Fix blanking region to show full visible area
-Update framework

[nullobject]

Tecmo:

* Run Rygar CPU at 6MHz
* Fix layer DMA timing
* Add reset signal to PLL
* Tweak SDRAM phase shift

[Sorgelig]

Amstrad:
- Various fixes and Playcity addon by Gyurco.

[Sorgelig]

Main:
- Support for new ao486 release
- some other changes and improvements.

[Sorgelig]

ao486:
- With great support from Rober Peip core now is more than 4x faster!
- SVGA with up to 1280x1024@256, 1024x768@64K, 640x480@16M resolutions
- High speed UART (3Mbps) internet connection
- MIDI port (dumb and fake-smart modes)
- Big internal code overhaul.

Note: you have to update Main to latest one!

[steddyman]

Amstrad PCW
- New Amstrad PCW core developed and released
- Supports multiple joysticks and mice
- Supports DKTronics interface with AY-3-8912 sound

[Sorgelig]

ao486:
- Joystick fixes and tweaks.
- Options to disable caches.
- Start core on 30MHz with L2 cache off for better compatibility with some boards.
- Other tweaks and fixes.

[Sorgelig]

ZX Spectrum:
- Fix contention model (Gyurco).
- Update the framework.

[Sorgelig]

BK0010M:
- Add Covox (Stanislav Maslovski)
- Update the framework

[Sorgelig]

Atari ST:
- Update FDC
- Fix clock enabler in MFP.
- Other updates.

[Sorgelig]

Atari 2600:
- Various fixes, some code reorganization.
- Update the framework.

[Sorgelig]

ZX Spectrum, BK0011M:
- Fix PSG.

[Sorgelig]

Gameboy:
- Many sound improvements from brNX.

[Sorgelig]

SMS:
- Fix FM OSD option.
- Update the framework.

[Sorgelig]

NeoGeo:
- PSG: Fixes typo preventing Envelope Generator reset (Jotego)
- Other fixes and tweaks.

[Sorgelig]

Main:
- Archie: support for HDD, CMOS save/load, reset.
- fpga_io: reboot ASAP if USB Blaster loading is detected.
- input: allow to use any defined button to assign the player.
- Support for supplement file loading.

[Sorgelig]

Archie:
- Real reset support (by Rober Peip)
- Support for cold reset with memory clearing.
- Support for HDD
- Automatic CMOS save/load for permanent settings.
- Many internal updates.
Read the updated ReadMe for Reset/HDD usage!
Update Main to latest!

[Sorgelig]

ao486:
- Add C/MS audio (Game Blaster)
- PC speaker volume option
- Audio boost option