Create DOS bootable ISO using MagicISO Maker

Prepare your bootable floppy disk
---Make sure config.sys and autoexec.bat contain neccessary lines to mount CD-ROM drive
Create boot-image file using MagicISO Maker
---Tools > Make Boot Image From Floppy Disk...
Create Bootable ISO image using MagicISO Maker
---File > New Bootable CD/DVD Image
---Notice that Toolbar shows status of "Non-Bootable"
---Choose "From bootable image file" and select file generated on previous step
---Tick "Enable Expert Settings" and select "Floppy Emulation 1.44MB" as kind-of
---Notice that status now has changed to "Bootable"
---Add your extra folder(s) and file(s) to the compilation
---Those folder(s) and file(s) will be accessible after boot as content of CD-ROM media
---Click "Floppy" icon (or menu File > Save) to generate .iso file