MiSTer fpga - WIP divers

[funkycochise]

Main:
- CHD CD image support (Zakk)
- Send UART mode and speed to core.
- Fix menu hang on F12 autorepeat.
- Update logo in OSD.
- New config options for UART and Save States.
- arcade: support for load/save of NVRAM.

ao486:
- Support for MT32-pi over USER I/O port
- Add mpuctl utility to control MT32-pi

Hardware:
- Add MT32-pi interface board

Gameboy:
- Graphics, mappers and GB link fixes (paulb-nl)
- Save states (including FF/REW) (Robert Peip)

[funkycochise]

Main:
- Add MT32-pi settings for AtariST and Minimig cores.
- arcade: don't load nvram if not found.
- megacd: fix CD audio broken in previous release (zakk4223).

AtariST:
- Add support of MT32-pi
Note: you have to update Main as well!

Minimig:
- Add support of MT32-pi
Note: you have to update Main as well!
https://misterfpga.org/viewtopic.php?t=147&p=15853#p15853

ao486:
- Reset i2s input samples (fix distorted audio).```
https://misterfpga.org/viewtopic.php?t=147&p=15854#p15854

ColecoVision:
- Option to hide border.
- Support for custom aspect ratio.
- Update the framework.
https://misterfpga.org/viewtopic.php?t=147&p=16020#p16020

Arcade ComputerSpace:
- Improve explosion sound (bellwood420).
- Update the framework.
- Support for custom aspect ratio.
- Other minor updates and tweaks.
https://misterfpga.org/viewtopic.php?t=147&p=16038#p16038

Aquarius:
- Support for custom aspect ratio.
- Support forced_scandoubler.
- Update the framework.
https://misterfpga.org/viewtopic.php?t=147&p=16040#p16040

Coco2:
- Support for real tape through the ADC adapter
- Support for forced_scandoubler
- support for custom aspect ratio
- Update the framework
https://misterfpga.org/viewtopic.php?t=147&p=16048#p16048

Arduboy:
- Update the framework.
- Support for custom aspect ratio.
- Support forced_scandoubler INI option.
https://misterfpga.org/viewtopic.php?t=147&p=16072#p16072

[Maitre_Poulpi]

Ca bouge souvent et on trouve vraiment de tout (même l'arduboy).
Va falloir que je m'équipe c'est sûr ! Je verrais bien ça avec ma petite lignée d'ordinosaure 

[funkycochise]

New core: Do Donpachi (Cave 68000) (nullobject)
I've taken the liberty to post this here in the official thread, in case people don't monitor the "Arcade" subforum.

Donkey Kong, Radar Scope
- Upgraded Donkey Kong from MiST
- Includes Radar Scope
- Also Includes Pest Place and DK 3

NES:
- Fixes for PPU and MMC3 (Kitrinx).
- Improved MMC1 mapper (paulb-nl).
- Fix zapper mouse trigger mode.

NeoGeo:
- Support for custom aspect ratio.
- Update the framework.

[funkycochise]

**CPS1/1.5 96MHz** version attached to Patreon post

pour ceux dont la sdram ne supporte pas le 48MHz (comme moi)

1943, Vulgus and GunSmoke default orientation changed so the default setting for FLIP will be right.
Tiger Road ADPCM fixed.

**Sound Accuracy Update** 20 cores affected.
https://www.patreon.com/posts/46260568

AliceMC10:

- Added support for real tape through the ADC adapter (entree audio jack)

ao486, AtariST, Minimig:
- Use USER_IN[0] for MIDI RX.
- Update the framework.

C64:
- Update palette to latest and more accurate colors.
- Use Win+F11 as original RESTORE when Action Replay or similar cart is used.
- Update the framework.

> - Use Win+F11 as original RESTORE when Action Replay or similar cart is used.
Would be nice if one could define a Win-Key substitute.
Because none of my mechanical keyboards has that key! (those keyboards are almost as old as i am