A pixel style digital clock in PowerShell

clock.ps1

function draw-box {
    param([string]$content)
    if ($content.length){
        $content = "| $content |"
        $border = '+' + ('-' * ($content.length - 2)) + '+'
        echo $border
        echo $content
        echo $border -no
    }
}

$n1 = '00100011000010000100001000010001110'
#$n2 = '00100010100101000010001000100001110'
$n2 = '01110000100001001110010000100001110'
$n3 = '01110000100001001110000100001001110'
$n4 = '01010010100101001110000100001000010'
$n5 = '01110010000100001110000100101001110'
$n6 = '01110010100100001110010100101001110'
$n7 = '01110010100001000010000100001000010'
$n8 = '01110010100101001110010100101001110'
$n9 = '01110010100101001110000100101001110'
$n0 = '01110010100101001010010100101001110'
$colon = '00000001000000000000000000010000000'

function chartopixel {
    param([string]$c)
    switch($c){
        '0'{$n0}
        '1'{$n1}
        '2'{$n2}
        '3'{$n3}
        '4'{$n4}
        '5'{$n5}
        '6'{$n6}
        '7'{$n7}
        '8'{$n8}
        '9'{$n9}
        ':'{$colon}
    }
}

function draw-pixel {
    param([string]$bits,[int]$xoffset=0,[int]$yoffset=-1)
    $pos = 0
    #$cx = [console]::cursorleft
    for ($y = 0; $y -lt 7; $y++){
        if ($yoffset -ge 0){
            [console]::setcursorposition($xoffset, $yoffset + $y)
        }else{
            [console]::setcursorposition($xoffset, [console]::cursortop)
        }
        for ($x = 0; $x -lt 5; $x++){
            #echo (!![convert]::ToInt32($bits[$pos], 10))
            draw-bit (!![convert]::ToInt32($bits[$pos], 10))
            $pos++
        }
        echo ''
    }
}

function get-pixel {
    param([string]$bits)
    $bufa = [string]''
    $pos = 0
    for ($y = 0; $y -lt 7; $y++){
        for ($x = 0; $x -lt 5; $x++){
            #echo (!![convert]::ToInt32($bits[$pos], 10))
            $bufa = $bufa + "$(get-bit (!![convert]::ToInt32($bits[$pos], 10)))"
            $pos++
        }
        $bufa += "`n"
    }
    $bufa
}

function draw-bit {
    param([bool]$bit)
    if ($bit){
        write-host ([char]0x2588) -no
    }else{
        write-host '  ' -no
    }
}

function get-bit {
    param([bool]$bit)
    if ($bit){
        ([char]0x2588)
    }else{
        '  '
    }
}

function draw-time {
    param([int]$cursortop=-1)
    $time = ('{0:d2}' -f (get-date).hour) + ':' + ('{0:d2}' -f (get-date).minute) + ':' + ('{0:d2}' -f (get-date).second)
    $posx = 0
    $posy = [console]::cursortop
    $linebuf = @('','','','','','','')
    if ($cursortop -ge 0){
        $posy = $cursortop
    }
    foreach ($c in $time.tochararray()){
        $p = (get-pixel (chartopixel $c) $posx $posy).split("`n")
        for ($i = 0; $i -lt 7; $i++){
            $linebuf[$i] += $p[$i]
        }
        $posx += 10
    }
    echo ($linebuf -join "`n")
}

function draw-time-old {
    param([int]$cursortop=-1)
    $time = ('{0:d2}' -f (get-date).hour) + ':' + ('{0:d2}' -f (get-date).minute) + ':' + ('{0:d2}' -f (get-date).second)
    $posx = 0
    $posy = [console]::cursortop
    if ($cursortop -ge 0){
        $posy = $cursortop
    }
    foreach ($c in $time.tochararray()){
        draw-pixel (chartopixel $c) $posx $posy
        $posx += 10
    }
    echo ($linebuf -join "`n")
}

function run-clock {
    $stopwatch = [System.Diagnostics.Stopwatch]::new()
    cls
    $p = [console]::cursortop + 1
    [console]::cursorvisible = $false
    [console]::windowwidth = 40 * 2
    [console]::windowheight = 9
    [console]::bufferwidth = [console]::windowwidth
    while(1){
        $stopwatch.start()
        [console]::setcursorposition(0, $p-1)
        echo ' '
        draw-time $p
        $stopwatch.stop()
        $e = $Stopwatch.Elapsed.Milliseconds
        $stopwatch.reset()
        start-sleep -Millisecond (1000 - $e)
    }
}