#! /bin/bash
# vim: set tabstop=4 shiftwidth=4 expandtab filetype=sh:

# to do: replace Spectrum Deluxe (2.5.3) with Spectrum Gold (2.5.4)

readcharHex () {
# read one character from file & convert to corresponding hex value
# arg1: filename
# arg2: (optional) offset (# of bytes to skip before reading)
#  out: two-digit hex value from 00-FF
# exit: 8=extraneous arg, 11=missing arg1,
#       21=invalid arg1, 22=invalid arg2
    [[ $1 ]] || return 11
    [[ $3 ]] && return 8
    [[ -f $1 ]] || return 21
    [[ $2 ]] && { [[ ( $(printf %d "$2" 2> /dev/null) == $2 ) \
     && ( $2 -ge 0 ) ]] || return 22; }
    # args are valid
    charX="$(dd if="$1" bs=1 skip=$(($2)) \
     count=1 2> /dev/null; echo -n X)"
    [[ ${#charX} -gt 1 ]] || { echo -n "00"; return 0; }
    printf %02X $(echo -n "${charX:0:1}" | od -t u1 | \
     head -1 | sed 's/[0\ ]*//' | tr -d ' \n') | tr [A-Z] [a-z]
}

readchars () {
# read one or more characters from a file
# arg1: filename
# arg2: (optional) offset (# of bytes to skip before reading)
# arg3: (optional) # of chars to read (default is until end of file)
#  out: sequence of characters
# exit: 8=extraneous arg, 11=missing arg1,
#       21=invalid arg1, 22=invalid arg2, 23=invalid arg3
    [[ $1 ]] || return 11
    [[ $4 ]] && return 8
    [[ -f $1 ]] || return 21
    [[ $2 ]] && { [[ ( $(printf %d "$2" 2> /dev/null) == $2 ) \
     && ( $2 -ge 0 ) ]] || return 22; }
    [[ $3 ]] && { [[ ( $(printf %d "$3" 2> /dev/null) == $3 ) \
     && ( $3 -ge 0 ) ]] || return 23; }
    # args are valid
    dd if="$1" bs=1 skip=$(($2)) $([[ $3 ]] && echo -n "count=$3") \
     2> /dev/null
}

writecharsHex () {
# write corresponding characters of hex values into file
# arg1: filename
# arg2: offset (# of bytes to skip before writing)
# arg3: string of two-digit hexadecimal numbers from 00-FF, period delimited (not checked!)
#  out: nothing
# exit: 8=extraneous arg, 11=missing arg1, 12=missing arg2,
#       13=missing arg3, 22=invalid arg2, 23=invalid arg3
    [[ $1 ]] || return 11; [[ $2 ]] || return 12; [[ $3 ]] || return 13
    [[ $4 ]] && return 8
    [[ ( $(printf %d "$2" 2> /dev/null) == $2 ) \
    && ( $2 -ge 0 ) ]] || return 22
    p=0
    offset=$2
    len=${#3}
    while (( p < len )); do
        outByte=${3:$p:2}
        [[ $(printf %02X "0x$outByte" 2> /dev/null) == \
        $(echo -n "$outByte" | tr [a-z] [A-Z]) ]] || return 23
        # args are valid
        echo -n -e "\x$outByte" | \
        dd of="$1" bs=1 seek=$offset conv=notrunc 2> /dev/null
        (( p += 3 ))
        (( offset++ ))
    done
}


### start

[[ -f /usr/bin/raspi-config ]] && isRpi=1 || isRpi=

emulatorName="GSport"
emulatorStart="gsport"
emulatorSetup="gsport-setup"
romFileName="ROM"
configFileName="config.txt"

imagesDir="/usr/local/share/gsdisks"
gsosHD="gsoshd.hdv"
gsosHDvolName="GSOS.HD"
tempDir="/tmp/gs"

rom=ROM3
slot6=
autoAnswerYes=
noDisks=
gisk=
installDisks=
kegs=

which acmd >/dev/null && acmdOK=1 || acmdOK=

if [[ $0 == *kegs-setup* ]]; then
    kegs=1
fi

while { [[ $1 ]] || (( (0 + $gisk + $noDisks + $installDisks + 0) > 1 )); }; do
    arg=$(tr -d '-' <<< ${1,,})
    if [[ $arg == "6" ]]; then
        slot6=1
        shift
    elif [[ $arg == "rom1" ]]; then
        rom=ROM1
        shift
    elif [[ $arg == "rom3" ]]; then
        rom=ROM3
        shift
    elif [[ $arg == "n" ]]; then
        noDisks=1
        shift
    elif [[ $arg == "g" ]]; then
        gisk=1
        shift
    elif [[ $arg == "i" ]]; then
        installDisks=1
        shift
    elif [[ $arg == "y" ]]; then
        autoAnswerYes=1
        shift
    elif [[ $arg == "k" ]]; then
        kegs=1
        shift
    else
        echo "Usage: $emulatorSetup [rom1|rom3] [-6] [-y [-g|-i|-n]]"
        echo "rom1: use GS ROM 01"
        echo "rom3: use GS ROM 3"
        echo "-k: set up KEGS (rather than GSport)"
        echo "-6: put blank disks in slot 6"
        echo "-y: auto-answer yes (no prompting)"
        echo "-i: use GS/OS and Spectrum installer disk images (use with -y)"
        echo "-g: use GSport Internet Starter Kit disk image (use with -y)"
        echo "-n: don't provide any disk images (use with -y)"
        exit 1
    fi
done

if [[ $kegs ]]; then
    emulatorName="KEGS"
    emulatorStart="kegs"
    emulatorSetup="kegs-setup"
    romFileName="rom.kegs"
    configFileName="config.kegs"
fi

echo
if [[ ! -f /usr/local/lib/$romFileName ]]; then
    echo "$emulatorName needs to be set up. This may take several minutes."
    if [[ ! $autoAnswerYes ]]; then
        echo -n "Do you want to set up $emulatorName now? ";
        read
        if [[ ${REPLY:0:1} != "Y" && ${REPLY:0:1} != "y" ]]; then
            exit 1
        fi
    fi
    echo "Ok, let's go!"
    echo
fi

if [[ ! $autoAnswerYes ]]; then
    noDisks=
    gisk=
    while true; do
        option1=0
        option2=0
        echo
        echo "Do you want to:"
        echo
        if [[ $acmdOK ]]; then
            [[ $kegs ]] && andSpectrum= || andSpectrum="and Spectrum "
            echo "1) install GS/OS ${andSpectrum}from the installer disk images"
            option1=1
        fi
        if [[ ! $kegs ]]; then
            echo "2) use the premade GSport Internet Starter Kit hard drive image"
            option2=2
        fi
        echo "3) prepare $emulatorName for use but don't provide any disk images"
        echo "4) do nothing and quit"
        echo
        echo -n "Your choice: "
        read
        noDisks=
        if [[ ${REPLY} == "4" ]]; then
            [[ $0 == "-bash" ]] && return 1 || exit 1
        elif [[ ${REPLY} == "3" ]]; then
            noDisks=1; break
        elif [[ ${REPLY} == $option2 ]]; then
            gisk=1; break
        elif [[ ${REPLY} == $option1 ]]; then
            gisk=; break
        fi
    done
fi

sudo mkdir -p "$imagesDir"
sudo chmod ugo+rw "$imagesDir"
mkdir -p "$tempDir"
cd "$tempDir"

echo "Updating package lists..."
sudo apt-get -y update > /dev/null

if [[ ! -f /usr/local/bin/unar ]]; then
    echo "Installing The Unarchiver..."
    sudo apt-get -y install libgnustep-base1.22
    sudo apt-get -y clean
    wget -qO- appleii.ivanx.com/a2cloud/setup/unar.tgz | sudo tar Pzx
fi

if [[ ! -f /usr/local/bin/mkpo ]]; then
    echo "Installing mkpo..."
    sudo wget -qO /usr/local/bin/mkpo appleii.ivanx.com/a2cloud/setup/mkpo.txt
    sudo chmod ugo+x /usr/local/bin/mkpo
fi

if [[ ! -f /usr/local/bin/nulib2 ]]; then
    echo "Installing nulib2..."
    wget -qO- appleii.ivanx.com/a2cloud/setup/nulib2.tgz | sudo tar Pzx
fi

if [[ ! -f $imagesDir/ROM1 ]]; then
    echo "Getting GS ROM 01..."
    wget -qO ROM1.zip http://web.archive.org/web/20130216031247/http://www.whatisthe2gs.apple2.org.za/files/rom1.zip
    unzip ROM1.zip &> /dev/null
    mv APPLE2GS.ROM $imagesDir/ROM1
    chmod ugo-w $imagesDir/ROM1
fi

if [[ ! -f $imagesDir/ROM3 ]]; then
    echo "Getting GS ROM 3..."
    wget -qO ROM3.zip http://web.archive.org/web/20130216031247/http://www.whatisthe2gs.apple2.org.za/files/rom3.zip
    unzip ROM3.zip &> /dev/null
    mv APPLE2GS.ROM2 $imagesDir/ROM3
    chmod ugo-w $imagesDir/ROM3
fi

if [[ ! -f /usr/local/lib/$romFileName || $arg ]]; then
    echo "Setting $emulatorName to use $rom..."
    echo "  (to change, use '$emulatorSetup rom1' or '$emulatorSetup rom3')"
    sudo rm /usr/local/lib/$romFileName &> /dev/null
    sudo ln -s $imagesDir/$rom /usr/local/lib/$romFileName &> /dev/null
    sudo ln -s $romFileName /usr/local/lib/ROM &> /dev/null
fi

if [[ $slot6 ]]; then
    echo "Putting blank disks in slot 6..."
    sudo sed -i 's@^s6d1.*$@s6d1 = $imagesDir/slot6drive1.po@' /usr/local/lib/$configFileName       
    sudo sed -i 's@^s6d2.*$@s6d2 = $imagesDir/slot6drive2.po@' /usr/local/lib/$configFileName
    if [[ ! -f $imagesDir/slot6drive1.po || ! -f $imagesDir/slot6drive2.po ]]; then
        wget -qO- ivanx.com/a2cloud/files/slot6.tgz | sudo tar Pzx 2> /dev/null
    fi
fi

if [[ ! $kegs ]]; then
    # set AppleTalk to turbo (works more reliably than Normal)
    echo "Setting AppleTalk to turbo..."
    if ! grep -q 'g_appletalk_turbo' /usr/local/lib/$configFileName; then
        if grep -q 'bram1\[00\]' /usr/local/lib/$configFileName; then
            sudo sed -i 's/^\(bram1\[00\]\)/g_appletalk_turbo = 1\n\n\1/' /usr/local/lib/$configFileName
        else
            echo -e '\ng_appletalk_turbo = 1' | sudo tee -a /usr/local/lib/$configFileName > /dev/null
        fi
    fi
    sudo sed -i 's/g_appletalk_turbo = 0/g_appletalk_turbo = 1/' /usr/local/lib/$configFileName

    # enable Uthernet
    echo "Enabling Uthernet card emulation..."
    if ! grep -q 'g_ethernet[^_]' /usr/local/lib/$configFileName; then
        if grep -q 'bram1\[00\]' /usr/local/lib/$configFileName; then
            sudo sed -i 's/^\(bram1\[00\]\)/g_ethernet = 1\n\n\1/' /usr/local/lib/$configFileName
        else
            echo -e '\ng_ethernet = 1' | sudo tee -a /usr/local/lib/$configFileName > /dev/null
        fi
    fi
    sudo sed -i 's/g_ethernet = 0/g_ethernet = 1/' /usr/local/lib/$configFileName
    
    # GISK
    if [[ $gisk ]]; then
        echo "Getting GSport Internet Starter Kit..."
        wget -O /tmp/GSport_Internet_Starter_Kit.zip http://sourceforge.net/projects/gsport/files/Emulator%20Software%20Images/GSport_Internet_Starter_Kit.zip
        unzip -d /tmp /tmp/GSport_Internet_Starter_Kit.zip "GSport Internet Starter Kit/GSport Internet Starter Kit.2mg"
        sudo mv "/tmp/GSport Internet Starter Kit/GSport Internet Starter Kit.2mg" $imagesDir
        rm -r /tmp/GSport*
        if [[ $(grep ^s7d1 /usr/local/lib/$configFileName) ]]; then
            sudo sed -i "s:^s7d1.*$:s7d1 = $imagesDir/GSport Internet Starter Kit.2mg:" /usr/local/lib/$configFileName
        else
            echo "s7d1 = $imagesDir/GSport Internet Starter Kit.2mg" | tee -a /usr/local/lib/$configFileName > /dev/null
        fi
        noDisks=1
    fi
    if [[ $noDisks ]]; then
        echo
        echo
        echo "Setup complete. You can now start $emulatorName."
        echo
        if [[ ! $autoAnswerYes ]]; then
            echo -n "Press return to continue..."
            read
        fi
        exit 0
    fi
fi

# non-GISK; get installer disks
if [[ ! -f $imagesDir/INSTALL.HDV ]] \
|| [[ ! -f $imagesDir/SYSTEM.DISK.HDV ]] \
|| [[ ! -f $imagesDir/SYSTEMTOOLS1.HDV ]] \
|| [[ ! -f $imagesDir/SYSTEMTOOLS2.HDV ]] \
|| [[ ! -f $imagesDir/FONTS.HDV ]] \
|| [[ ! -f $imagesDir/SYNTHLAB.HDV ]] \
|| [[ ! -f $imagesDir/"$gsosHD" ]] \
|| [[ ! $kegs && ! -f $imagesDir/spectrum.hdv ]]; then

#     if [[ ! $autoAnswerYes ]]; then
#         echo
#         echo -n "Do you want to download the GS/OS installer disks"
#         if [[ ! -f $imagesDir/"$gsosHD" ]]; then
#             echo -n -e "\nand create a hard disk image file"
#         fi
#         if [[ ! $kegs && -f /usr/local/bin/acmd && ! -f $imagesDir/spectrum.hdv ]]; then
#             echo -n -e "\nand download Spectrum communications software"
#         fi
#         echo -n "? "
#         read
#     fi

    REPLY="y"
    if [[ $autoAnswerYes || ${REPLY:0:1} == "Y" || ${REPLY:0:1} == "y" ]]; then

        echo        
        activeDisk=0
        for diskname in Install System.Disk SystemTools1 SystemTools2 Fonts synthLAB; do
            (( activeDisk++ ))
            outfile="$imagesDir/$(tr [:lower:] [:upper:] <<< $diskname).HDV"
            if [[ ! -f "$outfile" ]]; then
                echo "Getting GS/OS disk ${activeDisk} of 6: $diskname"
                wget -qO "Disk_${activeDisk}_of_7-$diskname.sea.bin" "http://archive.org/download/download.info.apple.com.2012.11/download.info.apple.com.2012.11.zip/download.info.apple.com%2FApple_Support_Area%2FApple_Software_Updates%2FEnglish-North_American%2FApple_II%2FApple_IIGS_System_6.0.1%2FDisk_${activeDisk}_of_7-$diskname.sea.bin"
                unar -k skip "Disk_${activeDisk}_of_7-$diskname.sea.bin" &> /dev/null
                truncate -s 819284 "Disk ${activeDisk} of 7-${diskname}.sea"
                dd if="Disk ${activeDisk} of 7-${diskname}.sea" of=${outfile} bs=84 skip=1 &> /dev/null
                chmod ugo-w "$outfile"
                if [[ $activeDisk -eq 1 ]]; then
                    if [[ $(grep ^s5d1 /usr/local/lib/$configFileName) ]]; then
                        sudo sed -i "s:^s5d1.*$:s5d1 = $imagesDir/INSTALL.HDV:" /usr/local/lib/$configFileName
                    else
                        echo "s5d1 = $imagesDir/INSTALL.HDV" | tee -a /usr/local/lib/$configFileName > /dev/null
                    fi
                else
                    if [[ $(grep ^s7d$activeDisk /usr/local/lib/$configFileName) ]]; then
                        sudo sed -i "s:^s7d$activeDisk.*$:s7d$activeDisk = $outfile:" /usr/local/lib/$configFileName
                    else
                        echo "s7d$activeDisk = $outfile" | tee -a /usr/local/lib/$configFileName > /dev/null
                    fi
                fi
            else
                echo "GS/OS disk ${activeDisk} of 6: $diskname has already been downloaded."
            fi
        done
        rm *.sea* &> /dev/null
        
        if [[ ! -f $imagesDir/"$gsosHD" ]]; then
            echo "Creating 32 MB blank image at $imagesDir/$gsosHD..."
            if [[ -f /usr/local/bin/acmd ]]; then
                # if acmd exists, make a ProDOS disk with GS-ShrinkIt and Teach

                if [[ ! -f /usr/local/adtpro/lib/AppleCommander/AppleCommander-1.3.5.13id-ac.jar ]]; then
                    echo "Installing AppleCommander-1.3.5.13id..."
                    sudo mkdir -p /usr/local/adtpro/lib/AppleCommander
                    wget -qO /usr/local/adtpro/lib/AppleCommander/AppleCommander-1.3.5.13id-ac.jar http://downloads.sourceforge.net/project/applecommander/AppleCommander%20-%20Interim/testcase/AppleCommander-1.3.5.13id-ac.jar
                    rm /usr/local/adtpro/lib/AppleCommander/AppleCommander-ac.jar &> /dev/null
                    ln -s AppleCommander-1.3.5.13id-ac.jar /usr/local/adtpro/lib/AppleCommander/AppleCommander-ac.jar
                fi

                echo "Copying ProDOS..."
                acmd -g "$imagesDir/INSTALL.HDV" PRODOS "PRODOS#ff0000"
                #writecharsHex "PRODOS#ff0000" 0 "4C.00.C5.00"
                wget -qO- ivanx.com/a2cloud/files/${emulatorName}SPLASH.SYS | dd of="PRODOS#ff0000" conv=notrunc &> /dev/null
                echo "Copying Teach..."
                cppo -e $imagesDir/SYSTEMTOOLS2.HDV /SYSTEMTOOLS2/TEACH . &> /dev/null
                echo "Downloading GS-ShrinkIt..."
                wget -qO- http://web.archive.org/web/20131031160750/http://nulib.com/library/gshk11.sea | nulib2 -x -e - GSHK &> /dev/null
                nulib2 -a -e $gsosHD.shk "PRODOS#"* "GSHK#"* "TEACH#"* &> /dev/null
                acmd -convert $gsosHD.shk $imagesDir/"$gsosHD" 65535
                rm "PRODOS#"* "GSHK#"* "TEACH#"* $gsosHD.shk  &> /dev/null
                
                acmd -n $imagesDir/"$gsosHD" $gsosHDvolName
                dd bs=512 count=1 conv=notrunc if="$imagesDir/INSTALL.HDV" of="$imagesDir/$gsosHD" 2> /dev/null
                sudo chmod ugo+rw $imagesDir/"$gsosHD"
                #acmd -p "$imagesDir/$gsosHD" PRODOS SYS < $tempDir/PRODOS
                #rm $tempDir/PRODOS
            fi
            if [[ $(grep ^s7d1 /usr/local/lib/$configFileName) ]]; then
                sudo sed -i "s:^s7d1.*$:s7d1 = $imagesDir/$gsosHD:" /usr/local/lib/$configFileName
            else
                echo "s7d1 = $imagesDir/$gsosHD" | tee -a /usr/local/lib/$configFileName > /dev/null
            fi
        fi
        
        if [[ $(grep ^g_limit_speed /usr/local/lib/$configFileName) ]]; then
            sudo sed -i "s:^g_limit_speed.*$:g_limit_speed = 0:" /usr/local/lib/$configFileName
        else
            echo "g_limit_speed = 0" | tee -a /usr/local/lib/$configFileName > /dev/null
        fi

        if [[ -f /usr/local/bin/acmd && ! $(acmd -ls $imagesDir/$gsosHD | grep 'GSHK') ]]; then
            echo
            echo "Downloading GS-ShrinkIt..."
            wget -qO- http://web.archive.org/web/20131031160750/http://nulib.com/library/gshk11.sea | acmd -p $imagesDir/$gsosHD GS.SHRINKIT.SEA S16
        fi
        
        
        # Spectrum starts here
 
        if [[ ! $kegs ]]; then
 
            mkdir -p /tmp/spectrum
            cd /tmp/spectrum
            
            imageName="/tmp/spectrum/spectrum.dmg"
            hfsName="/tmp/spectrum/spectrumH.dmg"
            ullName="/tmp/spectrum/uthernet.bxy"
            
            if [[ ! -f /usr/bin/hcopy || ! -f /usr/bin/macsave ]]; then
                echo "Installing HFS utilities..."
                sudo apt-get -y install hfsutils macutils &> /dev/null
            else
                echo "HFS utilities are already installed."
            fi
            
            if [[ ! -f /usr/local/adtpro/lib/AppleCommander/AppleCommander-1.3.5.13id-ac.jar ]]; then
                echo "Installing AppleCommander..."
                sudo mkdir -p /usr/local/adtpro/lib/AppleCommander
                wget -qO /usr/local/adtpro/lib/AppleCommander/AppleCommander-1.3.5.13id-ac.jar http://downloads.sourceforge.net/project/applecommander/AppleCommander%20-%20Interim/testcase/AppleCommander-1.3.5.13id-ac.jar
                rm /usr/local/adtpro/lib/AppleCommander/AppleCommander-ac.jar &> /dev/null
                ln -s AppleCommander-1.3.5.13id-ac.jar /usr/local/adtpro/lib/AppleCommander/AppleCommander-ac.jar
            fi
            
            if [[ ! -f "$imageName" ]]; then
                echo "Downloading Spectrum Deluxe..."
                wget -qO spectrum.dmg http://www.wannop.info/speccie/software/spectrum_2.5.3_deluxe.dmg
            else
                echo "Spectrum Deluxe has already been downloaded."
            fi
            
            mkdir -p mnt
            mkdir -p extract
            mkdir -p shkstage
            cp "$imageName" "$hfsName"
            sudo mount -r -t hfs "$imageName" mnt
            hmount "$hfsName"
            
            IFS=''
            cd /tmp/spectrum/mnt
            find Spectrum.2.5.3 -type d | while read thisDirPath; do
                mkdir -p /tmp/spectrum/shkstage/"$thisDirPath"
                hcd
                IFS='/'
                for thisDir in $thisDirPath; do
                    hcd $thisDir
                done
                echo "  Copying: $(hpwd)"
                IFS=''
                cd /tmp/spectrum/extract
                hls -1 | while read thisFile; do
                    hcopy -m "$thisFile" - 2> /dev/null | macsave -f 2> /dev/null
                    if [[ -f "$thisFile".info ]]; then
                        if [[ $(readcharHex "$thisFile".info 65) == "70" ]]; then
                            fileType=$(readcharHex "$thisFile".info 66)
                            auxType=$(readcharHex "$thisFile".info 67)$(readcharHex "$thisFile".info 68)
                        else
                            auxType="0000"
                            fMac=$(readchars "$thisFile".info 65 4)
                            if [[ "$fMac" == "PS16" ]]; then
                                fileType="b3";
                            elif [[ "$fMac" == "PSYS" ]]; then
                                fileType="ff";
                            elif [[ "$fMac" == "BINA" ]]; then
                                fileType="00";
                            elif [[ "$fMac" == "TEXT" ]]; then
                                fileType="04";
                            elif [[ "$fMac" == "MIDI" ]]; then
                                fileType="D7";
                            elif [[ "$fMac" == "AIFF" || "$fMac" == "AIFC" ]]; then
                                fileType="D8";
                            elif [[ "$fMac" == "dImg" ]]; then
                                fileType="E0";
                            else
                                echo "WARNING: unknown file type '$fMac' found for file $thisFile"
                            fi
                        fi
                        [[ -f "$thisFile".rsrc ]] && mv "$thisFile".rsrc /tmp/spectrum/shkstage/"$thisDirPath"/"${thisFile}#${fileType}${auxType}r"
                        [[ -f "$thisFile".data ]] && mv "$thisFile".data /tmp/spectrum/shkstage/"$thisDirPath"/"${thisFile}#${fileType}${auxType}"
                        rm "$thisFile".info 2> /dev/null
                    fi
                done
                cd /tmp/spectrum/mnt
            done
            
            cd /tmp/spectrum/shkstage/Spectrum*
            humount
            sudo umount /tmp/spectrum/mnt
    
            mkdir -p Marinetti/Uthernet
            cp SAFE2.Archive/Link.Layers/"Uthernet#bc4083" Marinetti/Uthernet
            echo -n "After installing Marinetti, put Uthernet in the TCPIP folder of your System folder, and restart GS/OS. Then open Control Panels, choose TCP/IP, and choose Setup Connection. Choose Uthernet for the link layer. Under Primary Domain Name Server, enter 8.8.8.8, then click Configure and select Slot 3 and DHCP. Then click Save." > Marinetti/Uthernet/"Uthernet.README#040000"
    
            echo "Making archive for conversion to disk image..."
            rm /tmp/spectrum/spectrum.shk 2> /dev/null
            nulib2 -a -r -0 -e /tmp/spectrum/spectrum.shk * &> /dev/null
            echo "Converting archive to disk image..."
            acmd -convert /tmp/spectrum/spectrum.shk $imagesDir/spectrum.hdv 20480
            acmd -n $imagesDir/spectrum.hdv SPECTRUM.DELUXE
            
            if [[ $(grep ^s7d7 /usr/local/lib/$configFileName) ]]; then
                sudo sed -i "s:^s7d7.*$:s7d7 = $imagesDir/spectrum.hdv:" /usr/local/lib/$configFileName
            else
                echo "s7d7 = $imagesDir/spectrum.hdv" | tee -a /usr/local/lib/$configFileName > /dev/null
            fi
    
            cd /tmp
            
            rm -rf /tmp/spectrum/extract /tmp/spectrum/shkstage /tmp/spectrum/spectrum.shk /tmp/spectrum/mnt &> /dev/null
        fi
        # Spectrum ends here
    fi
fi

cd
rm -r "$tempDir"

echo
echo
if [[ -f "$imagesDir/$gsosHD" ]]; then
    echo
    echo "You can now start $emulatorName."
    echo "When the installer boots, you can click Easy Update or Customize"
    echo "to install GS/OS, if you downloaded the installer disks aobve."
else
    # if no acmd, create unformatted disk
    # requires that the disk first be formatted with Advanced Disk Utility
    dd bs=512 count=65535 if=/dev/zero of=$imagesDir/"$gsosHD" 2> /dev/null
    writecharsHex $imagesDir/"$gsosHD" 0 "00.4C.00.C5.00"
    echo
    echo "You can now start $emulatorName."
    echo
    echo "If you downloaded the installer disks above:"
    echo "When the installer boots, quit it, change to the SystemTools1 disk,"
    echo "run Advanced Disk Utility, click Disk until a hard drive icon appears"
    echo "that says Uninitialized, and initialize it. Then quit Advanced Disk"
    echo "Utility, change to the Install Disk, and run Installer. When it loads,"
    echo "click Easy Update or Customize to install GS/OS."
    echo
fi
echo "When it's done, reboot."
echo "(Use Shut Down, ctrl-F12, or ctrl-solidapple-equals.)"
if [[ -f "$imagesDir/spectrum.hdv" ]]; then
    echo 
    echo "Then on the Spectrum disk, optionally install:"
    echo "Marinetti (plus update): TCP/IP driver for GS/OS"
    echo "Uthernet: Ethernet driver for Marinetti"
    echo "Spectrum: serial and telnet communications"
    echo "SAFE: FTP client"
    echo "SNAP: Usenet newsgroups (NNTP) client"
    echo "SAM2: Email (POP) client"
fi
echo
echo "After installing, press F4 and choose 'Disk Configuration' to"
echo "eject all disks other than slot 7 drive 1."
echo
if [[ ! $autoAnswerYes ]]; then
    echo -n "Press return to continue..."
    read
fi