MiSTer updates and changelog

[Sorgelig]

GBA:
- Many fixes from Robert Peip
- Turbo mode from Robert Peip
- Support for DDR3 (use on MiSTer without SDRAM)
- Mode de-saturation levels.

[Sorgelig]

ZX-Spectrum, BK0011M:
- Update SDRAM controller
- Update the framework
- Stability fixes.

[Sorgelig]

Gameboy:
- Update SDRAM signals.
- Update the framework

[alanswx]

Arcade Cores
Many arcade core updates. These have an updated sys to give support for direct video. Also there are many .mra files in the releases folder.

[Sorgelig]

Memtest:
- SDRAM signals are properly aligned together with clock.

[Sorgelig]

Menu:
- Update SDRAM controller.
- Update the framework.

[Sorgelig]

C64:
- Updates for C1541 from vpelletier
- Stability fixes.
- Update the framework.

[Sorgelig]

ao486:
- Update the framework

[MrX8B]

Arcade-Druaga:
- MRA-enabled
- Update the framework

[Sorgelig]

Minimig:
- Fix joysticks 3/4.
- Some other internal fixes.

[Sorgelig]

More updates for arcades.

[MrX8B]

Arcade-ATetris:
- Update the framework

[Sorgelig]

MiSTer:
- arcade: ignore case of MD5.
- arcade: use USB/CIFS/Games location for mame if found.
- arcade: better error visibility.
- arcade: pre-buffer the ROM, implement patch section, don't send bad ROM to FPGA.
- OSD: don't display dates for mra files.
- fix FileLoad() (fixes LXDE loading).
- OSD: d,h options for opposite effect, "-" option supports text as well.
- input: fix default mapping message.
- Enable gamma control in direct video mode.
- input: map OK/Back buttons for OSD, Back+OK in OSD -> unmount action.

[MrX8B]

Arcade-ATetris:
- Fix HDMI clock frequency

[MrX8B]

Arcade-RshnAtk:
- Update the framework

Arcade-SolomonsKey:
- Update the framework

[Sorgelig]

following arcade cores are merged to Pacman core:
Birdiy, Crush Roller, Gorkans, Mr. TNT, Ms. Pacman, Pacman Club, Pacman Plus
Use updated pacman.rbf and mra files from pacman repository!
rbf files from mentioned arcades are no longer used (won't be updated)

[Sorgelig]

MiSTer:
- arcade: fix the path if mame is in root.
- arcade: skip md5 check if md5 isn't listed.
- osd: Fix scroll of long mra names.
- Implement recent file opened/mounted list with help from nanner55. Add recents=1 to ini file to enable it. Press "select" button or `(grave) key while on open/mount OSD item (or inside the file list).
- osd: fix h/d options.

[Sorgelig]

MiSTer:
- input: fixes in initial controller map.
- GBA: support for savestates.
- Support info display from the cores.

[Sorgelig]

GBA:
- savestate support added (Alt-F1..F4 - save, F1..F4 - restore.)
- graphical bugfixes for priority/alpha drawing
- interframe blending/flickerreduce option added
- toggling option for fastforward

Update MiSTer binary to latest!

[Sorgelig]

MegaCD:
- CD fader and fix against RAM Cart corruption from srg320.

[Sorgelig]

Genesis:
- Bus arbiter fixes for better accuracy (srg320)
- Support for SDRAM (if available) for better accuracy.
- Some fix in YM2612
- Update the framework.

[Sorgelig]

SNES:
- Many fixes from srg320.
- Update SDRAM controller.
- Update the framework.

[Sorgelig]

MiSTer:
- arcade: support dip settings from MRA.
- Support for random background loading from Wallpapers dir.
- Add recently launched cores list (open by `(grave) on keyboard or "Select" on gamepad).
- Other fixes.

[Sorgelig]

Pacman:
- Move DIP settings to MRA.
Note: you have to update MiSTer binary and MRA files!

[Sorgelig]

Pacman:
additionally merge following arcades:
Pacmanic Miner, VanVan Car, Ponpoko, Alibaba, Eeek, Woodpecker, Super Glob, Lizard Wizard, Eggor, Eyes