Retro-Go for ESPlay Micro 1.37-alpha1

Alpha release of Retro-Go 1.37 for ESPlay Micro.

This is an early alpha release, but it is in good enough shape to be enjoyable. Please see known issues below, and feel free to contribute if able. Please note: I took the liberty of swapping A and B relative to how they are printed on the board, in order to conform with the familiar button layout from the likes of the NES and Gameboy. If there's demand, I can release a version with the buttons mapped as labeled.

Known Issues:

• Battery Meter needs to be implemented. (Help Wanted!)
• Menu, L, and R aren't mapped yet. Retro-Go's Menu button is currently mapped to the Select button until this is fixed.

Installation Instructions:

1. Download retro-go_1.37_esplay-micro.fw below and place it in /espplay/firmware/ on your device.
2. Turn on your unit while holding the Menu button (bottom right) down for a few seconds. The screen will remain off.
3. Turn your unit off and back on again. This should get you access to the bootloader.
4. Select retro-go_1.37_esplay-micro.fw from the menu and press the Start button to begin flashing Retro-Go.
5. You will automatically boot into Retro-Go!

If you encounter problems (header mismatch when trying to flash, unable to launch games in retro-go, etc.) you may have a bad sd card. I sure did. :)

Retro-Go for Game Box Mini 1.38-beta5

Nearly complete release of Retro-Go 1.38 for My Retro Game Case - Game Box Mini.

Unlock the full potential of your teeny, tiny handheld! Retro-Go is in active development by the community, and features enormous benefits compared to the old firmware your unit came with.

Pros: (Compared to Stock)

• Clean, efficient menu with changeable themes, fonts, tabs.
• Manage files over WiFi from your web browser, on any device in your network.
• Option to view Box Art, Save Previews, or both in the launcher.
• Multiple save states
• Vastly improved NES compatibility.
• Multiple palettes available for Gameboy games.
• Added emulators for PC-Engine, Atari Lynx, Game and Watch, SNES (slow), and Sega Genesis (slow)
• No more battery icon using up valuable screen real estate during gameplay.
• Crash handler, to easily recover in the event of a crash
• It runs Doom. No, really!
• And more!

Cons: (Compared to Stock)

• No music player.
• No text reader. (You're not missing much.)

Known Issues:

• Battery Meter needs to be implemented. (Help Wanted!)
• Screen is noticeably cropped NES, SNES, Genesis, PC Engine, as downscaling isn't implemented for gameplay in Retro-go yet. Most games are still visible enough to be played.

Installation Instructions:

1. Download retro-go_1.38_mrgc-gbm.fw below and place it in /espmini/firmware/ on your device. (Recommended: Always keep a copy of your old firmware there in case you want to reinstall it!)
2. Turn on your unit while holding the Menu button (second from the right) down to access the bootloader. (If it freezes, turn off your unit and turn it on again. It should automatically load the bootloader.)
3. Select retro-go_1.38_mrgc-gbm.fw from the menu and press the upper-left button to begin flashing Retro-Go. (If it freezes, turn off your unit and try again.)
4. You will automatically boot into Retro-Go!
5. Highly recommended: You can create wi wifi access point directly on your device to manage files through a web browser. For added convenience, you can also set up wifi by following the directions here in order to connect your device to your home wifi network, and manage the files from any computer or phone you have.
6. Optional: Copy your saved games from the stock firmware into /retro-go/saves/ to continue your progress.

Changelog compared to beta 4:

• GBC: Added support for MBC30 (For Pokemon Crystal romhacks)
• Launcher: Added a new scroll behaviour (Options -> Scroll mode)
• Misc bug fixes

Edit: I forgot to fix the online updater for 1.38. This is now fixed.

Retro-Go for Game Box Mini 1.37-beta4

Nearly complete release of Retro-Go 1.37 for My Retro Game Case - Game Box Mini.

Unlock the full potential of your teeny, tiny handheld! Retro-Go is in active development by the community, and features enormous benefits compared to the old firmware your unit came with.

Pros: (Compared to Stock)

• Clean, efficient menu with changeable themes, fonts, tabs.
• Manage files over WiFi from your web browser, on any device in your network.
• Option to view Box Art, Save Previews, or both in the launcher.
• Multiple save states
• Vastly improved NES compatibility.
• Multiple palettes available for Gameboy games.
• Added emulators for PC-Engine, Atari Lynx, Game and Watch, SNES (slow), and Sega Genesis (slow)
• No more battery icon using up valuable screen real estate during gameplay.
• Crash handler, to easily recover in the event of a crash
• It runs Doom. No, really!
• And more!

Cons: (Compared to Stock)

• No music player.
• No text reader. (You're not missing much.)

Known Issues:

• Battery Meter needs to be implemented. (Help Wanted!)
• Screen is noticeably cropped NES, SNES, Genesis, PC Engine, as downscaling isn't implemented for gameplay in Retro-go yet. Most games are still visible enough to be played.

Installation Instructions:

1. Download retro-go_1.37_mrgc-gbm.fw below and place it in /espmini/firmware/ on your device. (Recommended: Always keep a copy of your old firmware there in case you want to reinstall it!)
2. Turn on your unit while holding the Menu button (second from the right) down to access the bootloader. (If it freezes, turn off your unit and turn it on again. It should automatically load the bootloader.)
3. Select retro-go_1.37_mrgc-gbm.fw from the menu and press the upper-left button to begin flashing Retro-Go. (If it freezes, turn off your unit and try again.)
4. You will automatically boot into Retro-Go!
5. Highly recommended: You can create wi wifi access point directly on your device to manage files through a web browser. For added convenience, you can also set up wifi by following the directions here in order to connect your device to your home wifi network, and manage the files from any computer or phone you have.
6. Optional: Copy your saved games from the stock firmware into /retro-go/saves/ to continue your progress.

Changelog compared to beta 3:

• Added Check For Updates feature! (It connects to this repo for now, but will connect to the Ducalex repo when and if it becomes supported in the future.)
• SNES: Fixed controls menu labels
• GEN: Small performance improvement

Retro-Go for Game Box Mini 1.36.3-beta3

Nearly complete release of Retro-Go 1.36.3 for My Retro Game Case - Game Box Mini.

Unlock the full potential of your teeny, tiny handheld! Retro-Go is in active development by the community, and features enormous benefits compared to the old firmware your unit came with.

Pros: (Compared to Stock)

• Clean, efficient menu with changeable themes, fonts, tabs.
• Manage files over WiFi from your web browser, on any device in your network.
• Option to view Box Art, Save Previews, or both in the launcher.
• Multiple save states
• Vastly improved NES compatibility.
• Multiple palettes available for Gameboy games.
• Added emulators for PC-Engine, Atari Lynx, Game and Watch, SNES (slow), and Sega Genesis (slow)
• No more battery icon using up valuable screen real estate during gameplay.
• Crash handler, to easily recover in the event of a crash
• It runs Doom. No, really!
• And more!

Cons: (Compared to Stock)

• No music player.
• No text reader. (You're not missing much.)

Known Issues:

• Battery Meter needs to be implemented. (Help Wanted!)
• Screen is noticeably cropped NES, SNES, Genesis, PC Engine, as downscaling isn't implemented for gameplay in Retro-go yet. Most games are still visible enough to be played.

Installation Instructions:

1. Download retro-go_1.36.3_mrgc-gbm.fw below and place it in /espmini/firmware/ on your device. (Recommended: Always keep a copy of your old firmware there in case you want to reinstall it!)
2. Turn on your unit while holding the Menu button (second from the right) down to access the bootloader. (If it freezes, turn off your unit and turn it on again. It should automatically load the bootloader.)
3. Select retro-go_1.36.3_mrgc-gbm.fw from the menu and press the upper-left button to begin flashing Retro-Go. (If it freezes, turn off your unit and try again.)
4. You will automatically boot into Retro-Go!
5. Highly recommended: You can create wi wifi access point directly on your device to manage files through a web browser. For added convenience, you can also set up wifi by following the directions here in order to connect your device to your home wifi network, and manage the files from any computer or phone you have.
6. Optional: Copy your saved games from the stock firmware into /retro-go/saves/ to continue your progress.

Changelog compared to beta 2:

• Fixed crash in SNES controls menu.
• Wifi access points can be created directly on the device, greatly simplifying the install process.
• Multiple wifi networks can be saved and connected to.

Retro-Go for Game Box Mini 1.36.1-beta2

Nearly complete release of Retro-Go 1.36.1 for My Retro Game Case - Game Box Mini.

Unlock the full potential of your teeny, tiny handheld! Retro-Go is in active development by the community, and features enormous benefits compared to the old firmware your unit came with.

Pros: (Compared to Stock)

• Clean, efficient menu with changeable themes, fonts, tabs.
• Manage files over WiFi from your web browser, on any device in your network.
• Option to view Box Art, Save Previews, or both in the launcher.
• Multiple save states
• Vastly improved NES compatibility.
• Multiple palettes available for Gameboy games.
• Added emulators for PC-Engine, Atari Lynx, Game and Watch, SNES (slow), and Sega Genesis (slow)
• No more battery icon using up valuable screen real estate during gameplay.
• Crash handler, to easily recover in the event of a crash
• It runs Doom. No, really!
• And more!

Cons: (Compared to Stock)

• No music player.
• No text reader. (You're not missing much.)
• You can't broadcast a wifi network in Retro-Go without first configuring it. (Yet. Should be in the next major release.)

Known Issues:

• Battery Meter needs to be implemented. (Help Wanted!)
• Screen is noticeably cropped NES, SNES, Genesis, PC Engine, as downscaling isn't implemented for gameplay in Retro-go yet. Most games are still visible enough to be played.

Installation Instructions:

1. Download retro-go_1.36.1_mrgc-gbm.fw below and place it in /espmini/firmware/ on your device. (Recommended: Always keep a copy of your old firmware there in case you want to reinstall it!)
2. Turn on your unit while holding the Menu button (second from the right) down to access the bootloader. (If it freezes, turn off your unit and turn it on again. It should automatically load the bootloader.)
3. Select retro-go_1.36.1_mrgc-gbm.fw from the menu and press the upper-left button to begin flashing Retro-Go. (If it freezes, turn off your unit and try again.)
4. You will automatically boot into Retro-Go!
5. Highly recommended: Set up wifi by following the directions here in order to manage files wirelessly. (You can do this by either opening up your unit and plugging the microSD card inside into your computer, or by temporarily reinstalling the stock firmware and transferring the configuration file wirelessly. This is necessary because the stock firmware doesn't allow you to create directories, so we boot Retro-Go first to let it create directories for us.)
6. Optional: Copy your saved games from the stock firmware into /retro-go/saves/ to continue your progress.

Retro-Go for Game Box Mini 1.35.1-beta1

Nearly complete release of Retro-Go 1.35.1 for My Retro Game Case - Game Box Mini.

Unlock the full potential of your teeny, tiny handheld! Retro-Go is in active development by the community, and features enormous benefits compared to the old firmware your unit came with.

Pros: (Compared to Stock)

• Clean, efficient menu with changeable themes, fonts, tabs.
• Manage files over WiFi from your web browser, on any device in your network.
• Option to view Box Art, Save Previews, or both in the launcher.
• Multiple save states
• Vastly improved NES compatibility.
• Multiple palettes available for Gameboy games.
• Added emulators for PC-Engine, Atari Lynx, Game and Watch, SNES (slow), and Sega Genesis (slow)
• No more battery icon using up valuable screen real estate during gameplay.
• Crash handler, to easily recover in the event of a crash
• It runs Doom. No, really!
• And more!

Cons: (Compared to Stock)

• No music player.
• No text reader. (You're not missing much.)
• You can't broadcast a wifi network in Retro-Go. (Yet)

Known Issues:

• Battery Meter needs to be implemented. (Help Wanted!)
• Screen is noticeably cropped NES, SNES, Genesis, PC Engine, as downscaling isn't implemented for gameplay in Retro-go yet. Most games are still visible enough to be played.

Installation Instructions:

1. Download retro-go_1.35.1_mrgc-gbm.fw below and place it in /espmini/firmware/ on your device. (Recommended: Always keep a copy of your old firmware there in case you want to reinstall it!)
2. Turn on your unit while holding the Menu button (second from the right) down to access the bootloader. (If it freezes, turn off your unit and turn it on again. It should automatically load the bootloader.)
3. Select retro-go_1.35.1_mrgc-gbm.fw from the menu and press the upper-left button to begin flashing Retro-Go. (If it freezes, turn off your unit and try again.)
4. You will automatically boot into Retro-Go!
5. Highly recommended: Set up wifi by following the directions here in order to manage files wirelessly. (You can do this by either opening up your unit and plugging the microSD card inside into your computer, or by temporarily reinstalling the stock firmware and transferring the configuration file wirelessly. This is necessary because the stock firmware doesn't allow you to create directories, so we boot Retro-Go first to let it create directories for us.)
6. Optional: Copy your saved games from the stock firmware into /retro-go/saves/ to continue your progress.