TARGETS = boot_floppy.bin boot_usb.bin second_binary.bin boot_floppy.bin: boot_floppy.asm floppy.img nasm boot_floppy.asm -f bin -o boot_floppy.bin; \ dd if=boot_floppy.bin of=floppy.img bs=512 count=1 conv=notrunc boot_usb.bin: boot_usb.asm usb.img nasm boot_usb.asm -f bin -o boot_usb.bin; \ dd if=boot_usb.bin of=usb.img bs=512 count=1 conv=notrunc second_binary.bin: second_binary.asm floppy.img usb.img nasm second_binary.asm -f bin -o second_binary.bin; \ dd if=second_binary.bin of=floppy.img bs=512 count=1 seek=3 conv=notrunc; \ dd if=second_binary.bin of=usb.img bs=512 count=1 seek=3 conv=notrunc floppy.img: dd if=/dev/zero of=floppy.img bs=512 count=2880 usb.img: dd if=/dev/zero of=usb.img bs=512 count=2880 clean: rm -rf $(TARGETS) all: $(TARGETS)