Ported from the core originally developed by Ludvig Strigeus and heavily developed by @sorgelig, @greyrogue, @Kitrinx, @paulb-nl, and many more. Core icon by spiritualized1997. Latest upstream available at https://github.com/MiSTer-devel/NES_MiSTer
Please report any issues encountered to this repo. Most likely any problems are a result of my port, not the original core. Issues will be upstreamed as necessary.
I highly recommend the updater tools by @mattpannella and @RetroDriven. If you're running Windows, use the RetroDriven GUI, or if you prefer the CLI, use the mattpannella tool. Either of these will allow you to automatically download and install openFPGA cores onto your Analogue Pocket. Go donate to them if you can
To install the core, copy the Assets, Cores, and Platform folders over to the root of your SD card. Please note that Finder on macOS automatically replaces folders, rather than merging them like Windows does, so you have to manually merge the folders.
ROMs should be placed in /Assets/nes/common
PAL ROMs should boot, but there will be timing and sound issues as the core currently doesn't properly support PAL (proper support coming soon). I highly recommend you do not play PAL games, and instead use NTSC games (if they exist) at this time.
Core supports four players/controllers via the Analogue Dock. To enable four player mode, turn on Use Multitap setting.
This core has pairity with the MiSTer core's mapper support. See the full breakdown here. Please note that the VRC7 expansion audio chip is not supported in this core (but is in MiSTer) due to space constraints.
Known as "Memories" on the Pocket, this core supports the creation and loading of save states for most mappers. See the full list in the Mappers section. By extension, the core supports Sleep + Wake functionality on the Pocket. In games with supported mappers, tapping the power button while playing will suspend the game, ready to be resumed when powering the Pocket back on.
Supports saves for most games and mappers. Saving on the NES is rather complicated due to the different scenarios for different mappers, so it's possible some less common mappers do not save correctly on this core. Please report all such issues to this repo.
By configuring the Turbo Speed controller option in Core Settings, you can use the X and Y buttons (by default) as A/B turbo buttons. The period for each of the settings in NTSC are below (PAL will have different timings):
| Setting | Period |
|---|---|
| 0 | Off |
| 1 | 3 Hz |
| 2 | 5 Hz |
| 3 | 7.5 Hz |
| 4 | 10 Hz |
| 5 | 15 Hz |
| 6 | 30 Hz |
Expansion audio should be supported for every mapper except those that use VRC7. If you encounter a game that is not playing the expanded audio outside of VRC7, please report it.
The core has 5 palette options built in, changable in Core Settings/Palette. The palettes are known as:
- Kitrinx 34 by Kitrinx
- Smooth by FirebrandX (Default)
- Wavebeam by NakedArthur
- Sony CXA by FirebrandX
- PC-10 Better by Kitrinx
You can load external palettes as well. This palette is stored at Assets/nes/agg23.NES/custom.pal, and can be selected by the sixth option (Custom).
For testing, or to temporarily load a new palette, you can choose the Load Custom Palette option (make sure to choose Core Settings/Palette/Custom). This palette selection is temporary, and will be reset when quitting and reopening the core.
There are several options provided for tweaking the displayed video:
Hide Overscan- Hides the top and bottom 8 pixels of the video, which would normally be masked by the CRT. Adjusts the aspect ratio to correspond with this modification. This option does nothing in PAL modeEdge Masking- Masks the sides of the screen in black, depending on the chosen option. The auto setting automatically masks the left side when certain conditions are met.Square Pixels- The internal resolution of the NES is a 8:7 pixel aspect ratio (wide pixels), which roughly corresponds to what users would see on 4:3 display aspect ratio CRTs. Some games are designed to be displayed at 8:7 PAR (the core's default), and others at 1:1 PAR (square pixels). TheSquare Pixelsoption is provided to switch to a 1:1 pixel aspect ratio.Extra Sprites- Allows an extra 8 sprites to be displayed per line (up to 16 from the original 8). Will decrease flickering in some games
Core supports virtual lightguns by enabling the "Use Zapper" setting. The crosshair can be controlled with the D-Pad or left joystick, using the A button to fire. D-Pad aim sensitivity can be adjusted with the "D-Pad Aim Speed" setting.
NOTE: Joystick support for aiming only appears to work when a controller is paired over Bluetooth and not connected to the Analogue Dock directly by USB.
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