# E01-S01: build and launch the platform proof in VICE x128.
[CmdletBinding()]
param(
    [int]$LimitCycles = 30000000
)

$ErrorActionPreference = "Stop"
$project = Split-Path $PSScriptRoot -Parent
$build = Join-Path $project "build"
$program = Join-Path $build "minimal.prg"
$screenshot = Join-Path $build "minimal-vicii.png"
$x128 = "C:\Program Files\GTK3VICE-3.10-win64\bin\x128.exe"

& (Join-Path $PSScriptRoot "build-minimal.ps1")
if ($LASTEXITCODE -ne 0) { throw "minimal build failed" }
if (-not (Test-Path -LiteralPath $x128)) { throw "x128.exe not found at $x128" }

if (Test-Path -LiteralPath $screenshot) {
    Remove-Item -LiteralPath $screenshot -Force
}

$arguments = @(
    "-autostart", $program,
    "-autostart-warp", "-warp",
    "-sounddev", "dummy",
    "-limitcycles", "$LimitCycles",
    "-exitscreenshotvicii", $screenshot
)

$process = Start-Process -FilePath $x128 -ArgumentList $arguments -PassThru -Wait -WindowStyle Hidden

# VICE uses a non-zero exit status when -limitcycles ends the session. The
# screenshot and deterministic program state are the evidence, not that status.
if (-not (Test-Path -LiteralPath $screenshot)) {
    throw "x128 did not create $screenshot"
}

Write-Host ("x128 exit code: {0} (cycle-limit exit may be non-zero)" -f $process.ExitCode)
Write-Host ("screenshot: {0}" -f $screenshot)