30 days made OS is the operating system from scratch to write books, but the authors have written assembler and c compiler can not be used, you can use nasm, gas and gcc, img generator can be used in the book of "an operating system implementation."(author yuyuan) for img generator. Put the "30 days" book can be used as a reference method.

30天自制操作系统
................\A20110738 (F)
................\.............\Autorun.inf
................\.............\boot.catalog
................\.............\haribote.img
................\.............\omake
................\.............\.....\heboos
................\.............\.....\......\heboos
................\.............\.....\......\......\charfont.bin
................\.............\.....\......\......\charfont.txt
................\.............\.....\......\......\fdimage.bin
................\.............\.....\......\......\graphic.hoa
................\.............\.....\......\......\graphic.nas
................\.............\.....\......\......\hello.hoa
................\.............\.....\......\......\hello.nas
................\.............\.....\......\......\ipl.ask
................\.............\.....\......\......\makeipl.bat
................\.............\.....\......\......\makeos.bat
................\.............\.....\......\......\os.ask
................\.............\.....\......\......\txt2bin.exe
................\.............\.....\......\minifsos
................\.............\.....\......\........\fdimage.bin
................\.............\.....\......\........\ipl.bin
................\.............\.....\......\........\ipl.nas
................\.............\.....\......\........\os.nas
................\.............\.....\license.txt
................\.............\.....\omake.txt
................\.............\.....\osask
................\.............\.....\.....\make47
................\.............\.....\.....\......\src47
................\.............\.....\.....\......\.....\!cons_9x.bat
................\.............\.....\.....\......\.....\!cons_nt.bat
................\.............\.....\.....\......\.....\ankfont0
................\.............\.....\.....\......\.....\........\ibmank0.txt
................\.............\.....\.....\......\.....\........\newstyle.txt
................\.............\.....\.....\......\.....\........\txt2bin.c
................\.............\.....\.....\......\.....\........\txt2bin.exe
................\.............\.....\.....\......\.....\........\win31.txt
................\.............\.....\.....\......\.....\base.nap
................\.............\.....\.....\......\.....\bochs
................\.............\.....\.....\......\.....\.....\Makefile
................\.............\.....\.....\......\.....\.....\Makefile~
................\.............\.....\.....\......\.....\.....\osalink1.opt
................\.............\.....\.....\......\.....\boot32.ask
................\.............\.....\.....\......\.....\changes.txt
................\.............\.....\.....\......\.....\fdimg0at.tek
................\.............\.....\.....\......\.....\fdimg0tw.tek
................\.............\.....\.....\......\.....\init.ask
................\.............\.....\.....\......\.....\license.txt
................\.............\.....\.....\......\.....\linkrule.rul
................\.............\.....\.....\......\.....\make.bat
................\.............\.....\.....\......\.....\make.txt
................\.............\.....\.....\......\.....\Makefile
................\.............\.....\.....\......\.....\make_com.txt
................\.............\.....\.....\......\.....\make_inc.txt
................\.............\.....\.....\......\.....\make_pk0.txt
................\.............\.....\.....\......\.....\make_wm0.txt
................\.............\.....\.....\......\.....\nec98
................\.............\.....\.....\......\.....\.....\decode0.ask
................\.............\.....\.....\......\.....\.....\fdcdrv0.ask
................\.............\.....\.....\......\.....\.....\keymos0.ask
................\.............\.....\.....\......\.....\.....\Makefile
................\.............\.....\.....\......\.....\.....\osalink1.opt
................\.............\.....\.....\......\.....\.....\timerdrv.ask
................\.............\.....\.....\......\.....\.....\vgadrv0.ask
................\.............\.....\

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