MiSTer updates and changelog

[Sorgelig]

SMS:
- Support FM sound.
- Replace PSG with jt89 module from Jotego.
- Switch to open source scaler.

[Sorgelig]

MiSTer:
- Option to hide datecode in core list (see MiSTer.ini sample and description)
- vsync_adjust=2 for low latency mode.

SNES:
- low latency mode (experimental)
You must update MiSTer binary!

[Sorgelig]

NES:
- EEPROM and more mappers from Greyrogue (see readme)
- Some fixes in video output.

[Sorgelig]

Gameboy:
- Gameboy Color mode from brNX (preliminary!). See readme for bios instructions.
- Sound fixes.

[Sorgelig]

MiSTer:
- Better datecode display in OSD.
- More autofire rate steps.
- Internal code tweaks and fixes.

[Sorgelig]

NES:
- Update the scaler, fix the tearing.

[Sorgelig]

ZX Spectrum:
- Switch to open source scaler.
- Update YM2203 (Turbosound-FM) with new jt03 from Jotego
- Option to disable GeneralSound.
- Some tweaks.

[Sorgelig]

SNES:
- Fix screen tearing introduced in previous release.

[Sorgelig]

TurboGrafx16:
- Update the scaler.
- Bring back 64 sprites per line option.

[Sorgelig]

SMS:
- Fix screen tearing introduced in previous release.
- Option to disable FM sound.

[Sorgelig]

Genesis:
- Update the scaler.

[Sorgelig]

Gameboy:
- Fix backup save/load.
- Fix screen tearing introduced in previous release.

[Sorgelig]

MiSTer:
- Fix memory corruption while long named script execution.
- Autofire per key, not per function.

[Sorgelig]

ColecoVision:
- SG1000 mode from slingshot.
- Joysticks swap option
- Switch to open source scaler.

[Sorgelig]

ColecoVision:
- Fix broken ColecoVision ROM loading in previous release.
- Better extended SG1000 ram detection.

[Sorgelig]

SMS:
- Many fixes.

[Sorgelig]

MiSTer:
- Internal refactoring and improvements.
- Auto-open gamepad buttons definition if it's not defined in current core.
- Support for up to 6 players (depend on core implementation).
- Tweaks for Logitech F710 gamepad.

SNES:
- Fix WAI instruction (fix 240p Suite).
- Support up to 5 players (requires MiSTer update).

[Sorgelig]

SMS:
- Improved cart address masking (fix some games) and ROMs with 512b header.
- Borderless mode for GameGear.
- Notify PAL/NTSC change (for vsync_adjust)
- Don't display hidden column in borderless mode.
- Support the multitap.

[Sorgelig]

TurboGrafx16:
- Support up to 5 players (requires MiSTer update).

[Sorgelig]

Genesis:
- Support for 4-Way, TeamPlayer and J-Cart multitaps.
- Improved SPDIF filter.
- Update backup load/save (not compatible with previous versions!)

[Sorgelig]

Gameboy:
- Fixes and improvements in GBC mode.
- Fix CPU instructions.
- Fixes in HDMA.

[Sorgelig]

NES:
- Support for Multitap
- Auto-load the save
- Some fixes in APU.

[Sorgelig]

C64:
- Support for 4-player interface.
- Switch to open source scaler.
- Some CIA fixes ported from MiST.
- Use T65 CPU in C1541.

[GreyRogue]

TI-99/4A:
- Switch to open source scalar

[Sorgelig]

Minimig:
- Support for 4-player interface.
- Update the scaler.