From fddf498930aae65d49fb4ba9f11ead878fc8cfda Mon Sep 17 00:00:00 2001
From: Greg Gauthier <gmgauthier@protonmail.com>
Date: Thu, 22 Aug 2024 15:30:37 +0100
Subject: [PATCH] add floppy commands

---
 .gitignore        |  3 +++
 src/floppy-attach | 59 +++++++++++++++++++++++++++++++++++++++++++++++
 src/floppy-burn   |  8 +++++++
 src/floppy-make   | 23 ++++++++++++++++++
 4 files changed, 93 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 src/floppy-attach
 create mode 100755 src/floppy-burn
 create mode 100755 src/floppy-make

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a201e35
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea/
+.vscode/
+
diff --git a/src/floppy-attach b/src/floppy-attach
new file mode 100755
index 0000000..e25b943
--- /dev/null
+++ b/src/floppy-attach
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+MEDIADIR="/media/gmgauthier"
+format=0 # Don't format disk images that already exist
+
+# get name of freshly created blank disk, or create one
+if [ $# -eq 0 ]; then
+    echo ">>> NEW 1.44MB DISK IS BEING CREATED..."
+    PREFIX="floppy"
+    RANDO=$(od -An -N4 -i < /dev/urandom|sed 's/[ -]//g')
+    DISK="$PREFIX$RANDO"
+    dd if=/dev/zero of=$DISK.img bs=1k count=1440
+    format=1
+else
+    DISK=$1
+    if [ $# -eq 1 ]; then
+        echo "Second argument should be disk size in kbytes: 360, 720, 1440"
+        exit 1
+    fi
+    SIZE=$2
+    if ! [ -f $DISK.img ]; then
+        dd if=/dev/zero of=$DISK.img bs=1k count=$SIZE
+        format=1
+    fi
+fi
+
+# Find the next available loop device on the system
+echo ">>> LOOP DEVICE IS BEING IDENTIFIED..."
+list=$(losetup -O name|sed 's/\/dev\/loop//g'|sed 's/NAME//g'|sort - --sort=human-numeric)
+### listarr=(${(@s: :)list}) # zsh version of the array generator
+listarr=($(echo $list | tr " " "\n")) #bash version of array generator
+lastdev=${listarr[-1]}
+lastdevnum=$((lastdev))
+nextdev=$((lastdevnum+1))
+
+# allocate the next available loop device, format the disk, and mount it.
+nextdevname="/dev/loop$nextdev"
+echo ">>> LOOP DEVICE $nextdevname RESERVED FOR DISK: $DISK.img"
+
+sudo losetup $nextdevname $DISK.img
+
+if [ $format -eq 1 ]; then
+    echo ">>> DISK IMAGE IS RAW AND WILL BE FORMATTED"
+    sudo mkfs -t vfat $nextdevname
+fi
+
+if ! [ -d $MEDIADIR/$DISK ]; then
+    echo ">>> MOUNT DIRECTORY NOT FOUND. CREATING DIRECTORY NOW."
+    sudo mkdir $MEDIADIR/$DISK                                          
+fi
+
+echo ">>> DISK $DISK.img MOUNTING AT LOCATION: $MEDIADIR/$DISK"
+sudo mount $DISK.img $MEDIADIR/$DISK
+
+if [ $format -eq 1 ]; then
+    echo ">>> DISK INFORMATION BEING COPIED TO $DISK.img"
+    sudo fdisk -l $nextdevname >> $DISK-fdisk.txt
+    sudo cp $DISK-fdisk.txt $MEDIADIR/$DISK/$DISK.txt && rm $DISK-fdisk.txt
+fi
diff --git a/src/floppy-burn b/src/floppy-burn
new file mode 100755
index 0000000..ba5de4e
--- /dev/null
+++ b/src/floppy-burn
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+if [[ $# -ne 1 ]]; then
+    echo "Supply the disk image filepath to burn to disk"
+    exit 1
+fi
+
+sudo dd if="$1" of=/dev/sda bs=512 conv=sync ; sync
diff --git a/src/floppy-make b/src/floppy-make
new file mode 100755
index 0000000..912554c
--- /dev/null
+++ b/src/floppy-make
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+DISKDIR="/home/gmgauthier/Retro/BLANKS"
+
+# get name of freshly created blank disk, or create one
+if [ $# -eq 0 ]; then
+    echo ">>> NEW 1.44MB DISK IS BEING CREATED..."
+    PREFIX="floppy"
+    RANDO=$(od -An -N4 -i < /dev/urandom|sed 's/[ -]//g')
+    DISK="$PREFIX$RANDO"
+    dd if=/dev/zero of=$DISKDIR/$DISK.img bs=1k count=1440
+else
+    DISK=$1
+    if [ $# -eq 1 ]; then
+        echo "Second argument should be disk size in kbytes: 360, 720, 1440"
+        exit 1
+    fi
+    SIZE=$2
+    if ! [ -f $DISK.img ]; then
+        dd if=/dev/zero of=$DISKDIR/$DISK.img bs=1k count=$SIZE
+    fi
+fi
+