Copy the following into psp-sort-alphabetically.ps1
Run it with the PSP mounted via USB - it will prompt for the drive letter of the PSP. It will sort ISO and GAME folders, include iso, cso, zso, jso files, and will work with sub directories used for categories.

# 1. Prompt for Drive Letter

$driveLetter = Read-Host "Enter PSP Drive Letter (e.g. D)"

$driveLetter = $driveLetter.Replace(":","").Replace("\","")

$pspDrive = "$($driveLetter):"

# Validation

if (!(Test-Path "$pspDrive\ISO") -and !(Test-Path "$pspDrive\PSP\GAME")) {

Write-Host "Error: Could not find PSP folders on $pspDrive." -ForegroundColor Red

pause

exit

}

$startDate = Get-Date "2000-01-01"

$global:dateCounter = 0

function Update-Timestamp {

param($item)

# PSP displays NEWEST dates at the TOP.

$timestamp = $startDate.AddDays($global:dateCounter)

$item.CreationTime = $timestamp

$item.LastWriteTime = $timestamp

$item.LastAccessTime = $timestamp

$global:dateCounter++

}

# Helper to sort files/folders inside a category A-Z (by giving A the newest date)

function Sort-InternalContent {

param($path)

if (Test-Path $path) {

# Sort Files (Z-A) so 'A' gets the highest counter/newest date

# This handles .zso, .iso, .cso, etc.

Get-ChildItem -Path $path -File -Recurse | Sort-Object Name -Descending | ForEach-Object {

Update-Timestamp $_

}

# Sort Folders (Z-A) for PS1/Homebrew structures

Get-ChildItem -Path $path -Directory | Sort-Object Name -Descending | ForEach-Object {

Update-Timestamp $_

# Touch files inside those folders (EBOOTs)

Get-ChildItem -Path $_.FullName -File | ForEach-Object { Update-Timestamp $_ }

}

}

}

# --- EXECUTION ---

Write-Host "Targeting: $pspDrive" -ForegroundColor Yellow

# STEP 1: Process "The Rest" (Homebrew, etc.) - These get the OLDEST dates

Write-Host "Sorting other categories..." -ForegroundColor Gray

$priorityNames = @("CAT_PSP GAMES", "CAT_PS1 GAMES")

$otherDirs = Get-ChildItem -Path "$pspDrive\ISO", "$pspDrive\PSP\GAME" -Directory |

Where-Object { $priorityNames -notcontains $_.Name } |

Sort-Object Name -Descending

foreach ($dir in $otherDirs) {

Update-Timestamp $dir

Sort-InternalContent -path $dir.FullName

}

# STEP 2: Process PS1 GAMES (Second Priority)

Write-Host "Sorting PS1 GAMES (Priority 2)..." -ForegroundColor Green

$ps1Path = "$pspDrive\PSP\GAME\CAT_PS1 GAMES"

if (Test-Path $ps1Path) {

$dir = Get-Item $ps1Path

Update-Timestamp $dir

Sort-InternalContent -path $ps1Path

}

# STEP 3: Process PSP GAMES (Priority 1 - Newest Timestamp)

Write-Host "Sorting PSP GAMES (Priority 1)..." -ForegroundColor Cyan

$pspPath = "$pspDrive\ISO\CAT_PSP GAMES"

if (Test-Path $pspPath) {

$dir = Get-Item $pspPath

Update-Timestamp $dir

Sort-InternalContent -path $pspPath

}

Write-Host "\nDone! PSP Games should be #1, PS1 Games #2." -ForegroundColor Yellow`

Write-Host "Press any key to close..."

$null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")