# E04-S02: run the software-frame ABI fixture in x128 and check the mailbox.
[CmdletBinding()]
param(
    [int]$Port = 6530,
    [int]$TimeoutSeconds = 90
)

$ErrorActionPreference = "Stop"
$project = Split-Path $PSScriptRoot -Parent
Import-Module (Join-Path $PSScriptRoot "lib\Nova128Test.psm1") -Force
& (Join-Path $PSScriptRoot "build-frame-test.ps1")

$out = Join-Path $project "build\frame-test"
$prg = Join-Path $out "frame-test.prg"
$session = Start-Nova128X128 -Autostart $prg -Port $Port `
    -Screenshot (Join-Path $out "frame-test-vicii.png")
try {
    $mb = Wait-Nova128Mailbox $session -TimeoutSeconds $TimeoutSeconds
} finally {
    Stop-Nova128X128 $session
}

Write-Host ('mailbox: ' + (($mb | ForEach-Object { $_.ToString('X2') }) -join ' '))
$sum = $mb[8] + 256 * $mb[9]
$byteSum = $mb[10]
$overflow = $mb[11]
$sp = $mb[12] + 256 * $mb[13]
$frameError = $mb[14]
$fp = $mb[15]
Write-Host ("results: recursive={0} one-byte={1} overflow={2} SP=${3:X4} error={4} FP=${5:X2}" -f `
    $sum, $byteSum, $overflow, $sp, $frameError, $fp)

$failures = @()
if ($mb[2] -ne 0x03) { $failures += "producer $($mb[2]) is not a generated program" }
if ($mb[3] -ne 0xA5) { $failures += "fixture status is not PASS" }
if ($mb[4] -ne 0 -or $mb[5] -ne 0) { $failures += "code is $($mb[4] + 256 * $mb[5])" }
if ($sum -ne 1275) { $failures += "recursive result is $sum, expected 1275" }
if ($byteSum -ne 12) { $failures += "one-byte result is $byteSum, expected 12" }
if ($overflow -ne 1) { $failures += "overflow result is $overflow, expected 1" }
if ($sp -ne 0xC000) { $failures += ('SP after overflow is ${0:X4}, expected $C000' -f $sp) }
if ($frameError -ne 1) { $failures += "frame error is $frameError, expected 1" }
if ($fp -ne 0) { $failures += "FP after overflow is $fp, expected 0" }

if ($failures) { throw ("frame verification failed:`n  " + ($failures -join "`n  ")) }
Write-Host "verified 50-deep recursion, one-byte return, and transactional overflow unwind"