### Progress Mode Example: Initializing Progress

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Example of starting the progress mode with initial text and 0% progress. This sets up the display for a process that will gradually complete.

```bash
# Show logo with "Installing..." text at 0% progress
./show2.elf --mode=progress --image=logo.png --text="Installing..." --progress=0
```

--------------------------------

### Multi-step Installation Process with Daemon Mode

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

A comprehensive bash script demonstrating a multi-step installation process using 'show2.elf' in daemon mode. It updates text and progress dynamically throughout the installation phases.

```bash
#!/bin/bash

# Start daemon
./show2.elf --mode=daemon --image=./logo.png --bgcolor=0x000000 --text="Starting installation..." &

# Step 1: Extract files
echo "TEXT:Extracting files..." > /tmp/show2.fifo
echo "PROGRESS:10" > /tmp/show2.fifo
unzip package.zip
echo "PROGRESS:30" > /tmp/show2.fifo

# Step 2: Copy system files
echo "TEXT:Installing system files..." > /tmp/show2.fifo
echo "PROGRESS:40" > /tmp/show2.fifo
cp -r files/* /destination/
echo "PROGRESS:70" > /tmp/show2.fifo

# Step 3: Finalize
echo "TEXT:Finalizing installation..." > /tmp/show2.fifo
echo "PROGRESS:90" > /tmp/show2.fifo
sync
echo "PROGRESS:100" > /tmp/show2.fifo

# Complete
sleep 1
echo "TEXT:Installation complete!" > /tmp/show2.fifo
sleep 2
echo "QUIT" > /tmp/show2.fifo
```

--------------------------------

### Integration: Replace show.elf (Daemon Mode)

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Shows how to integrate 'show2.elf' in daemon mode into a boot script, allowing for runtime updates of text and progress during installation. The daemon is started, updated, and then quit.

```bash
# After (daemon mode with progress):
./show2.elf --mode=daemon --image=./logo.png --text="Installing..." &
# ... do installation work ...
echo "PROGRESS:50" > /tmp/show2.fifo
# ... more work ...
echo "QUIT" > /tmp/show2.fifo
```

--------------------------------

### Daemon Mode Example: Initializing Daemon

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Starts the daemon mode with an initial image, background color, and text message. The '&' symbol runs the process in the background.

```bash
# Start daemon with initial text
./show2.elf --mode=daemon --image=logo.png --bgcolor=0x000000 --text="Initializing..." &
```

--------------------------------

### Simple Mode Example: Show Image

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Example of displaying a splash image using simple mode. The process will continue running until it is killed.

```bash
# Show splash.png until killed
./show2.elf --mode=simple --image=splash.png
```

--------------------------------

### Overlay File Structure Example

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Illustrates the expected file paths for overlay PNGs within the /Overlays/[System] directory for different emulators.

```text
# For /Roms/Game Boy Color (GBA)
/Overlays/GBA/overlay1.png
/Overlays/GBA/overlay2.png
/Overlays/GBA/overlay3.png
/Overlays/GBA/overlay4.png
/Overlays/GBA/overlay5.png

# For /Roms/Super Nintendo (SFC)
/Overlays/SFC/overlay1.png
/Overlays/SFC/overlay2.png
/Overlays/SFC/overlay3.png
/Overlays/SFC/overlay4.png
/Overlays/SFC/overlay5.png
```

--------------------------------

### Emulator Icon File Structure Example

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Shows the directory structure for adding custom emulator and collection icons using .media folders.

```text
SD_CARD
├─ .media/
│  ├─ Collections.png
│  ├─ Recently Played.png
├─ Collections/
│  ├─ .media/
│  │  ├─ Collection 1.png
│  │  ├─ Collection 2.png
├─ Roms/
│  ├─ .media/
│  │  ├─ GBA.png
│  │  ├─ SFC.png
│  │  ├─ Custom Emulator Name (GBC).png
│  │  ├─ etc...
├─ Tools/
│  ├─ .media/
│  │  ├─ tg5040.png
```

--------------------------------

### Integration: Replace show.elf (Simple Mode)

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Example of replacing the old 'show.elf' with 'show2.elf' in simple mode within a boot script. The new process is backgrounded, and then explicitly killed after the installation work.

```bash
# Before:
# ./show.elf ./installing.png

# After (simple mode):
./show2.elf --mode=simple --image=./installing.png &
SHOW_PID=$!
# ... do installation work ...
kill $SHOW_PID
```

--------------------------------

### Install u-boot-tools

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/rg35xx/ramdisk/readme.txt

Installs the necessary u-boot-tools package, which includes the mkimage utility, required for ramdisk manipulation.

```bash
apt update && apt install u-boot-tools
```

--------------------------------

### Progress Mode Example: Mid-Process Update

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Shows how to update the progress bar to 50% and customize colors during a process. This allows for dynamic visual feedback.

```bash
# Show with 50% progress and custom colors
./show2.elf --mode=progress --image=logo.png --bgcolor=0x000000 --fontcolor=0xFFFFFF --text="Installing system files..." --progress=50
```

--------------------------------

### Basic Hook Script Example

Source: https://github.com/loveretro/nextui/blob/main/HOOKS.md

A simple hook script that logs every ROM launch. It checks the HOOK_TYPE to ensure it only logs ROM launches and appends the launch information to a log file.

```shell
#!/bin/sh
# my-hook.sh — log every ROM launch

[ "$HOOK_TYPE" = "rom" ] || exit 0
echo "$(date): launched $HOOK_ROM_PATH" >> "$LOGS_PATH/launches.log"
```

--------------------------------

### Simple Mode Example: Image with Custom Background

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Demonstrates setting a custom background color for an image displayed in simple mode. The background color can be specified in various hex formats.

```bash
# Show with custom background color
./show2.elf --mode=simple --image=logo.png --bgcolor=0x1a2b3c
```

--------------------------------

### Simple Mode Example: Image with Black Background

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Display an image with a black background using the simple mode. This mode is suitable for static displays that need to run continuously.

```bash
# Show with black background
./show2.elf --mode=simple --image=splash.png --bgcolor=0x000000
```

--------------------------------

### Daemon Mode Example: Quit Daemon

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Send the QUIT command to the FIFO file to gracefully terminate the running daemon process.

```bash
# Quit the daemon
echo "QUIT" > /tmp/show2.fifo
```

--------------------------------

### Customized Button Binding Example

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

Demonstrates how to remove or customize a default button binding. Here, 'More Sun' is set to 'NONE' with its original core mapping 'L3' preserved.

```cfg
bind More Sun = NONE:L3
```

--------------------------------

### Progress Mode Example: Custom Colors and High Progress

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Demonstrates setting a custom background, red text, and a high progress percentage (75%) in progress mode. This is useful for indicating near completion.

```bash
# Custom background and red text
./show2.elf --mode=progress --image=logo.png --bgcolor=0x1e1e1e --fontcolor=0xFF0000 --text="Please wait..." --progress=75
```

--------------------------------

### Daemon Mode Example: Update Progress

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Send a command to the FIFO file to update the progress bar value for the running daemon. Progress should be between 0 and 100.

```bash
# Update progress
echo "PROGRESS:25" > /tmp/show2.fifo
```

--------------------------------

### Default Button Bindings Example

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

Shows default button mappings for a game controller within NextUI. 'NONE' indicates no binding, followed by the default core mapping if customized.

```cfg
bind Up = UP
bind Down = DOWN
bind Left = LEFT
bind Right = RIGHT
bind Select = SELECT
bind Start = START
bind A Button = A
bind B Button = B
bind A Turbo = NONE:X
bind B Turbo = NONE:Y
bind L Button = L1
bind R Button = R1
bind L Turbo = NONE:L2
bind R Turbo = NONE:R2
bind More Sun = NONE:L3
bind Less Sun = NONE:R3
```

--------------------------------

### Daemon Mode Example: Update Background Color

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Send a command to the FIFO file to change the background color of the running daemon. Colors should be in hex format.

```bash
# Update background color
echo "BGCOLOR:0x003366" > /tmp/show2.fifo
```

--------------------------------

### Progress Mode: Display Logo, Progress, and Text

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Utilize progress mode to display a logo along with a progress bar and text message. This mode is useful for showing installation or loading progress. It also runs until killed.

```bash
./show2.elf --mode=progress --image=<path> [--bgcolor=0x000000] [--fontcolor=0xFFFFFF] [--text="message"] [--progress=0]
```

--------------------------------

### Configure Custom Opkg Feeds in OpenWrt

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Adds custom package feeds to the opkg package manager configuration. This allows installing packages from specific repositories.

```bash
echo "src/gz openwrt_core_cortexa53 http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a53/packages" > /etc/opkg/customfeeds.conf
echo "src/gz openwrt_core_sunxi http://downloads.openwrt.org/snapshots/targets/sunxi/cortexa53/packages" >> /etc/opkg/customfeeds.conf
```

--------------------------------

### Daemon Mode: Start Interactive Session

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Initiate daemon mode for an interactive session that can be updated at runtime via a FIFO file. This mode is ideal for dynamic loading screens.

```bash
./show2.elf --mode=daemon --image=<path> [--bgcolor=0x000000] [--fontcolor=0xFFFFFF] [--text="message"]
```

--------------------------------

### Daemon Mode Example: Update Text

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Send a command to the FIFO file to update the text message displayed by the running daemon. This allows for real-time status changes.

```bash
# Update text during runtime
echo "TEXT:Installing system..." > /tmp/show2.fifo
```

--------------------------------

### Daemon Mode Example: Update Font Color

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Send a command to the FIFO file to change the font color of the text displayed by the running daemon. Colors should be in hex format.

```bash
# Update font color
echo "FONTCOLOR:0xFF0000" > /tmp/show2.fifo
```

--------------------------------

### Build: Compile with Make

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Instructions for compiling the show2.elf tool using the 'make' command within the specified Docker build environment or toolchain.

```bash
make build PLATFORM=tg5050
```

--------------------------------

### Launch Game with Picodrive Core

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

Launches a game using the 'picodrive_libretro.so' core. Change 'EMU_EXE' to use a different core. This script sets up necessary directories and logs output.

```shell
#!/bin/sh

EMU_EXE=picodrive

###############################

EMU_TAG=$(basename "$(dirname "$0")" .pak)
ROM="$1"
mkdir -p "$BIOS_PATH/$EMU_TAG"
mkdir -p "$SAVES_PATH/$EMU_TAG"
mkdir -p "$CHEATS_PATH/$EMU_TAG"
HOME="$USERDATA_PATH"
cd "$HOME"
minarch.elf "$CORES_PATH/${EMU_EXE}_libretro.so" "$ROM" &> "$LOGS_PATH/$EMU_TAG.txt"
```

--------------------------------

### Launch Syncsettings Daemon

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

Launches syncsettings.elf as a background process to synchronize NextUI's brightness and volume settings before launching another application.

```shell
syncsettings.elf &
```

--------------------------------

### Build: Compile Manually

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Steps to manually compile show2.elf by navigating to the source directory and running 'make'. This is an alternative to the Docker build environment.

```bash
cd workspace/tg5050/show2
make
```

--------------------------------

### Launch Syncsettings in a Loop

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

Runs syncsettings.elf in a continuous loop while another application is active. This is useful if the application takes longer than one second to initialize.

```shell
while :; do
    syncsettings.elf
done & 
LOOP_PID=$!

./PPSSPPSDL --pause-menu-exit "$ROM_PATH"

kill $LOOP_PID
```

--------------------------------

### Launch Game with Custom Core Path

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

An alternative to the default launch script, this version specifies the core path explicitly. It's useful when the core is not in the default location.

```shell
CORES_PATH=$(dirname "$0")
```

--------------------------------

### Required BIOS Files by System

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Place system BIOS files in the '/Bios/[System Tag]/' folder. File names are case-sensitive and must match the expected format for each emulator.

```text
   FC: disksys.rom
   GB: gb_bios.bin
  GBA: gba_bios.bin
  GBC: gbc_bios.bin
   MD: bios_CD_E.bin
       bios_CD_J.bin
       bios_CD_U.bin
   PS: psxonpsp660.bin
 MGBA: gba_bios.bin
  PCE: syscard3.pce
  PKM: bios.min
  SGB: sgb.bios
```

--------------------------------

### Create sysroot tarball for toolchain

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Creates a compressed archive of system libraries and includes necessary for cross-compilation.

```bash
tar -czf sysroot.tar.gz /usr/include /usr/lib /usr/lib32
```

--------------------------------

### Alternative shutdown method

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

An alternative method to initiate shutdown by removing a specific temporary file and exiting the process.

```c
just system("rm /tmp/minui_exec") and exit(0) ?
```

--------------------------------

### Hook Directory Structure

Source: https://github.com/loveretro/nextui/blob/main/HOOKS.md

Illustrates the default locations for hook scripts on the device, organized by execution phase.

```shell
$USERDATA_PATH/.hooks/
    boot.d/          # scripts run on boot
    pre-launch.d/    # scripts run before launch
    post-launch.d/   # scripts run after launch exits
    pre-sleep.d/     # scripts run before device goes to sleep
    post-resume.d/   # scripts run after device wakes from sleep
```

```shell
/mnt/SDCARD/.userdata/<platform>/.hooks/pre-launch.d/
/mnt/SDCARD/.userdata/<platform>/.hooks/post-launch.d/
```

```shell
/mnt/SDCARD/.userdata/tg5040/.hooks/post-launch.d/shortcuts-resume.sh
```

--------------------------------

### Creating Game Collections

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Collections are text files in the '/Collections' folder, listing full paths to ROM, CUE, or M3U files. This allows for custom game groupings.

```text
  /Roms/GBA/Metroid Zero Mission.gba
  /Roms/GB/Metroid II.gb
  /Roms/SNES (SFC)/Super Metroid.sfc
  /Roms/GBA/Metroid Fusion.gba
```

--------------------------------

### Enable CPU Autoplugging for Performance

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Apply this setting to potentially improve SNES performance by controlling CPU core autoplugging. Observe the effects carefully, especially when applying over ADB.

```bash
echo 0xF > /sys/devices/system/cpu/autoplug/plug_mask
```

--------------------------------

### Disc-based Games Folder Structure

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

For multi-file disc-based games, place all related files (bin, cue, iso, wav) in a folder named after the cue file. This structure streamlines launching.

```text
  Harmful Park (English v1.0)/
      Harmful Park (English v1.0).bin
      Harmful Park (English v1.0).cue
```

--------------------------------

### Simple Mode: Display Image

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Use simple mode to display a centered image. This mode runs until manually terminated. Specify the image path and optionally a background color.

```bash
./show2.elf --mode=simple --image=<path> [--bgcolor=0x000000]
```

--------------------------------

### Sync After ROM Exit Hook Script

Source: https://github.com/loveretro/nextui/blob/main/HOOKS.md

This hook script is designed to perform a metadata sync after a ROM exits. It checks if the HOOK_TYPE is 'rom', verifies the existence and executability of a 'shortcuts' tool, and then executes it, redirecting output to a log file.

```shell
#!/bin/sh
# shortcuts-resume.sh — one-shot resume metadata sync after a ROM exits

[ "$HOOK_TYPE" = "rom" ] || exit 0

SHORTCUTS_PAK="$SDCARD_PATH/Tools/$PLATFORM/Shortcuts.pak"
[ -x "$SHORTCUTS_PAK/shortcuts" ] || exit 0

"$SHORTCUTS_PAK/shortcuts" --resume-sync-hook >> "$LOGS_PATH/shortcuts-resume-sync.txt" 2>&1
```

--------------------------------

### Enable Network with DHCP on OpenWrt

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

This command configures the wlan0 interface to obtain an IP address via DHCP. It's a prerequisite for using network tools like wget or curl.

```bash
udhcpc -i wlan0
```

--------------------------------

### Overriding Display Names with map.txt

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Use a 'map.txt' file in the same folder as ROMs to override display names. Each line should contain the original filename, a tab, and the desired display name. Prepending a '.' hides the file.

```text
  neogeo.zip	.Neo Geo Bios
  mslug.zip	Metal Slug
  sf2.zip	Street Fighter II
```

--------------------------------

### Box Art File Placement

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Place box art images (PNG format) in the '/Roms/[Emulator]/.media/' folder. The image file name must exactly match the ROM file name.

```text
ROM: /Roms/Emulator/game.zip
Media: /Roms/Emulator/.media/game.png
```

--------------------------------

### Build flags for OpenGL/EGL/Mali

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Specifies linker flags required for building applications that utilize OpenGL ES, EGL, and the Mali graphics driver.

```bash
-lGLESv2 -lEGL -lmali -ldl
```

--------------------------------

### Multi-disc Games with M3U File

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

For multi-disc games, place all files for all discs in a single folder. Create an M3U file listing the relative paths to each disc's cue file to manage playback.

```text
  Policenauts (English v1.0)/
    Policenauts (English v1.0).m3u
    Policenauts (Japan) (Disc 1).bin
    Policenauts (Japan) (Disc 1).cue
    Policenauts (Japan) (Disc 2).bin
    Policenauts (Japan) (Disc 2).cue
```

```text
  Policenauts (Japan) (Disc 1).cue
  Policenauts (Japan) (Disc 2).cue
```

--------------------------------

### Create Patch File for Binary Differences

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Generates a diff in hexadecimal format between two binary files. This is useful for creating patches for binary executables.

```bash
xxd old > old.hex
xxd new > new.hex
diff -u old.hex new.hex > pico8_64.patch
```

--------------------------------

### Display BMP Image on Framebuffer

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/magicmini/install/notes.txt

Use this command to display a BMP image on the /dev/fb0 framebuffer. The 'skip=1' argument accounts for a 71-byte bitmap header.

```bash
dd if=image.bmp of=/dev/fb0 bs=71 skip=1
```

--------------------------------

### Extract and rsync sysroot to toolchain

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Extracts a sysroot tarball and synchronizes its contents into the specified toolchain directory, ignoring existing files.

```bash
mv sysroot.tar.gz /opt
cd /opt
mkdir h700
tar -xvzf sysroot.tar.gz -C h700
rm sysroot.tar.gz
rsync -a --ignore-existing /opt/h700/ /opt/rg35xxplus-toolchain/usr/arm-buildroot-linux-gnueabihf/sysroot/
```

--------------------------------

### Adjusting backlight period

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Experimenting with backlight brightness by modifying the period value in the sysfs interface. The default value is 10000.

```bash
/sys/devices/platform/jz-pwm-dev.0/jz-pwm/pwm0/period
```

--------------------------------

### Confirm Bitmap Signature

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Reads the first two bytes from a specified offset in the boot partition to check for the 'BM' bitmap signature.

```bash
SIGNATURE=`dd if=/dev/block/by-name/boot bs=1 skip=$OFFSET count=2 status=none`
```

--------------------------------

### Optimized Git Clone Command

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

Replaces a multi-step git clone and checkout process with a single, more efficient command. Note that this optimized command works for branches but not for commits alone.

```bash
git clone --depth 1 --branch branch repo
```

--------------------------------

### Unpack Ramdisk Image

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/rg35xx/ramdisk/readme.txt

Unpacks the ramdisk-no-header.img file into a directory named 'ramdisk' for modification. This uses the cpio utility.

```bash
mkdir ramdisk && cd ramdisk
cpio -i --no-absolute-filenames < ../ramdisk-no-header.img
```

--------------------------------

### Daemon Mode Command: Change Background Color

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Use the BGCOLOR command to change the background color of the daemon display. Specify the color in hex format.

```bash
echo "BGCOLOR:0xFF0000" > /tmp/show2.fifo
```

--------------------------------

### Repack Ramdisk Image

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/rg35xx/ramdisk/readme.txt

Repacks the modified files from the 'ramdisk' directory into a new ramdisk image (ramdisk.img.new). It ensures hidden files are included and uses mkimage to create the final ramdisk.

```bash
shopt -s dotglob
find . | cpio -H newc -o > ../ramdisk.cpio
mkimage -A arm -O linux -T ramdisk -n "Initial RAM Disk" -d ../ramdisk.cpio ../ramdisk.img.new
```

--------------------------------

### Prevent shutdown on some platforms

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

A loop that prevents a system from shutting down by continuously pausing execution. This is a workaround for specific platform behaviors.

```c
while (1) pause();
```

--------------------------------

### Replace Boot Logo (Rev A, Horizontal)

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Replaces the horizontal boot logo for revision A on the boot partition with a BMP file. Uses `conv=notrunc` to avoid truncating the partition.

```bash
dd conv=notrunc if=/sdcard/logo-h.bmp of=/dev/block/by-name/boot bs=1 seek=4044800
```

--------------------------------

### Daemon Mode Command: Update Progress

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Use the PROGRESS command to set the progress bar value (0-100) for the daemon. Send the command to the FIFO file.

```bash
echo "PROGRESS:50" > /tmp/show2.fifo
```

--------------------------------

### Replace Boot Logo (Rev B, Horizontal)

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Replaces the horizontal boot logo for revision B on the boot partition with a BMP file. Uses `conv=notrunc` to avoid truncating the partition.

```bash
dd conv=notrunc if=/sdcard/logo-h.bmp of=/dev/block/by-name/boot bs=1 seek=4045312
```

--------------------------------

### Apply JELOS Distribution Fix

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

This snippet is a reference to a specific file within a GitHub pull request for the JELOS distribution, likely containing a fix for a system issue.

```text
https://github.com/JustEnoughLinuxOS/distribution/pull/2195/files#diff-719d790f2d3c1d5a0884ae9eb69fb77956fcaaae235282acb6e6817339f35105
```

--------------------------------

### Cheat File Placement and Naming

Source: https://github.com/loveretro/nextui/wiki/Adding-Content

Place RetroArch .cht cheat files in the '/Cheats/[Emulator]/' directory. The cheat file name must exactly match the ROM name, including the extension, followed by '.cht'.

```text
  /Cheats/GB/Super Mario Land (World).zip.cht
```

--------------------------------

### Test String Concatenation with dd

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Tests string concatenation by writing prefixes and suffixes to a temporary file using dd with different seek offsets.

```bash
echo ANDROID > tmp
printf 'BA' | dd conv=notrunc of=tmp bs=1
```

```bash
printf 'AN' | dd conv=notrunc of=tmp bs=1
```

```bash
printf 'EW' | dd conv=notrunc of=tmp bs=1 seek=4
```

```bash
printf 'OI' | dd conv=notrunc of=tmp bs=1 seek=4
```

--------------------------------

### Strip Header from ramdisk.img

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/rg35xx/ramdisk/readme.txt

Removes the initial 64-byte header from the ramdisk.img file using dd, preparing it for unpacking.

```bash
dd bs=1 skip=64 if=ramdisk.img of=ramdisk-no-header.img
```

--------------------------------

### Unlock CPUs on RG35XX

Source: https://github.com/loveretro/nextui/blob/main/todo.txt

These commands manually unlock and bring online additional CPU cores on the RG35XX device. This is a workaround for issues related to CPU frequency scaling and performance.

```bash
echo 0xf > /sys/devices/system/cpu/autoplug/plug_mask
echo 1 > /sys/devices/system/cpu/cpu1/online
echo 1 > /sys/devices/system/cpu/cpu2/online
echo 1 > /sys/devices/system/cpu/cpu3/online
```

--------------------------------

### Anbernic RG*XX Shell Redirection

Source: https://github.com/loveretro/nextui/blob/main/PAKS.md

Adjusts log output redirection for Anbernic RG*XX devices due to their default shell behavior. Use this when the standard redirection fails.

```shell
&> "$LOGS_PATH/$EMU_TAG.txt" > "$LOGS_PATH/$EMU_TAG.txt" 2>&1
```

--------------------------------

### Daemon Mode Command: Exit Daemon

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Use the QUIT command to terminate the daemon process. Send this command to the FIFO file.

```bash
echo "QUIT" > /tmp/show2.fifo
```

--------------------------------

### Extract Boot Logo (Rev A, Vertical)

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Extracts the vertical boot logo for revision A from the boot partition to a BMP file.

```bash
dd if=/dev/block/by-name/boot of=/sdcard/logo-v.bmp bs=1 skip=4087296 count=31734
```

--------------------------------

### Extract Boot Logo (Rev A, Horizontal)

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Extracts the horizontal boot logo for revision A from the boot partition to a BMP file.

```bash
dd if=/dev/block/by-name/boot of=/sdcard/logo-h.bmp bs=1 skip=4044800 count=31734
```

--------------------------------

### Extract Boot Logo (Rev B, Horizontal)

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Extracts the horizontal boot logo for revision B from the boot partition to a BMP file.

```bash
dd if=/dev/block/by-name/boot of=/sdcard/logo-h.bmp bs=1 skip=4045312 count=31734
```

--------------------------------

### Extract Boot Logo (Rev B, Vertical)

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/m17/boot/notes.txt

Extracts the vertical boot logo for revision B from the boot partition to a BMP file.

```bash
dd if=/dev/block/by-name/boot of=/sdcard/logo-v.bmp bs=1 skip=4087808 count=31734
```

--------------------------------

### Patch Charger Script

Source: https://github.com/loveretro/nextui/blob/main/workspace/_unmaintained/rg35xx/ramdisk/readme.txt

Modifies the charger script within the unpacked ramdisk to use '/misc/charging.png' for all charging images instead of the default path.

```bash
sed -i 's,/res/images/%s.png,/misc/charging.png,' charger
```

--------------------------------

### Daemon Mode Command: Update Text

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Use the TEXT command to update the message displayed by the daemon. Send the command to the FIFO file.

```bash
echo "TEXT:Loading files..." > /tmp/show2.fifo
```

--------------------------------

### Daemon Mode Command: Change Font Color

Source: https://github.com/loveretro/nextui/blob/main/workspace/all/show2/README.md

Use the FONTCOLOR command to change the font color of the text in the daemon display. Specify the color in hex format.

```bash
echo "FONTCOLOR:0x00FF00" > /tmp/show2.fifo
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.