It seems like ac is throwing an exception if 140k is filled regardless the actual size of the image. In this case it's a 5MB HDV:

Adding file: ZENTRUM Error: Unable to allocate more space for another file! com.webcodepro.applecommander.storage.DiskFullException: Unable to allocate more space for another file! at com.webcodepro.applecommander.storage.os.prodos.ProdosFormatDisk.createFile(ProdosFormatDisk.java:256) at com.webcodepro.applecommander.storage.os.prodos.ProdosFormatDisk.createFile(ProdosFormatDisk.java:201) at com.webcodepro.applecommander.storage.os.prodos.ProdosFormatDisk.createFile(ProdosFormatDisk.java:51) at com.webcodepro.applecommander.ui.ac$Name.createEntry(ac.java:729) at com.webcodepro.applecommander.ui.ac.putAppleSoft(ac.java:227) at com.webcodepro.applecommander.ui.ac.main(ac.java:187) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) at java.base/java.lang.reflect.Method.invoke(Method.java:577) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49) at org.springframework.boot.loader.Launcher.launch(Launcher.java:108) at org.springframework.boot.loader.Launcher.launch(Launcher.java:58) at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88) Done. nils@europa:~/apple/Franke$ ac.sh -i franke_prodos.hdv File Name: franke_prodos.hdv Disk Name: /FRANKE/ Physical Size (bytes): 5242880 Free Space (bytes): 5167616 Used Space (bytes): 75264 Physical Size (KB): 5120 Free Space (KB): 5046 Used Space (KB): 73 Archive Order: ProDOS Disk Format: ProDOS Total Blocks: 10240 Free Blocks: 10093 Used Blocks: 147 Volume Access: Destroy Read Rename Write Block Number of Bitmap: 6 Creation Date: 03/07/2022 File Entries Per Block: 13 File Entry Length (bytes): 39 Active Files in Root Directory: 51 Minimum ProDOS Version Required: 0 Volume Created By ProDOS Version: 0 Volume Name: FRANKE