This is the DOS operating system to start is inside the source code in assembly language, including some driver

Packet : 23825752dos_start_code.rar filelist
SRC\UTILS\EXE2BIN.EXE
SRC\UTILS\MAKELIBM.BAT
SRC\UTILS\POP.BAT
SRC\UTILS\PROTO.BAT
SRC\UTILS\RMFILES.BAT
SRC\UTILS\SYS.C
SRC\UTILS\SYS.CFG
SRC\UTILS\SYS.MAK
SRC\MISC\AUTOEXEC.BAT
SRC\MISC\CONFIG.SYS
SRC\MISC\DOSLIB.C
SRC\MISC\DOSOPT.C
SRC\MISC\HOME.C
SRC\MISC\NUM.C
SRC\MISC\PRF.C
SRC\MISC\STRINGS.C
SRC\KERNEL\001-437.NLS
SRC\KERNEL\APISUPT.ASM
SRC\KERNEL\ASMSUPT.ASM
SRC\KERNEL\CONFIG.C
SRC\KERNEL\DSK.C
SRC\KERNEL\ENTRY.ASM
SRC\KERNEL\EXECRH.ASM
SRC\KERNEL\GLOBALS.H
SRC\KERNEL\INITOEM.C
SRC\KERNEL\INT2F.ASM
SRC\KERNEL\INTHNDLR.C
SRC\KERNEL\IOCTL.C
SRC\KERNEL\IRQSTACK.ASM
SRC\KERNEL\KERNEL.ASM
SRC\KERNEL\KERNEL.CFG
SRC\KERNEL\KERNEL.MAK
SRC\KERNEL\MAIN.C
SRC\KERNEL\MEMMGR.C
SRC\KERNEL\NEWSTUFF.C
SRC\KERNEL\NLS.C
SRC\KERNEL\NLSSUPT.ASM
SRC\KERNEL\PROCSUPT.ASM
SRC\KERNEL\PROTO.H
SRC\KERNEL\STRINGS.C
SRC\KERNEL\SYSCLK.C
SRC\KERNEL\SYSCON.C
SRC\KERNEL\SYSTIME.C
SRC\KERNEL\TASK.C
SRC\IPL\APISUPT.ASM
SRC\IPL\EXECRH.ASM
SRC\IPL\GLOBALS.H
SRC\IPL\IPL.ASM
SRC\IPL\IPL.CFG
SRC\IPL\IPL.MAK
SRC\IPL\IPLSTART
SRC\IPL\MAIN.C
SRC\IPL\PROCSUPT.ASM
SRC\IPL\PROTO.H
SRC\IPL\STACKS.ASM
SRC\FS\BLOCKIO.C
SRC\FS\CHARIO.C
SRC\FS\DOSFNS.C
SRC\FS\DOSNAMES.C
SRC\FS\ERROR.C
SRC\FS\FATDIR.C
SRC\FS\FATFS.C
SRC\FS\FATTAB.C
SRC\FS\FCBFNS.C
SRC\FS\MISC.C
SRC\FS\PRF.C
SRC\FS\SYSPACK.C
SRC\DRIVERS\CONSOLE.ASM
SRC\DRIVERS\DEVEND.ASM
SRC\DRIVERS\DEVICE.MAK
SRC\DRIVERS\EOI.ASM
SRC\DRIVERS\FLOPPY.ASM
SRC\DRIVERS\FMEMCMP.ASM
SRC\DRIVERS\FMEMCPY.ASM
SRC\DRIVERS\FMEMSET.ASM
SRC\DRIVERS\GETVEC.ASM
SRC\DRIVERS\INB.ASM
SRC\DRIVERS\INT86.ASM
SRC\DRIVERS\INTR.ASM
SRC\DRIVERS\INW.ASM
SRC\DRIVERS\KEYBOARD.ASM
SRC\DRIVERS\LIBM.LIB
SRC\DRIVERS\OUTB.ASM
SRC\DRIVERS\OUTW.ASM
SRC\DRIVERS\RDATCLK.ASM
SRC\DRIVERS\RDPCCLK.ASM
SRC\DRIVERS\SETVEC.ASM
SRC\DRIVERS\SPL.ASM
SRC\DRIVERS\TIMER.ASM
SRC\DRIVERS\WRATCLK.ASM
SRC\DRIVERS\WRPCCLK.ASM
SRC\COMMAND\AUTOEXEC.BAT
SRC\COMMAND\BATCH.C
SRC\COMMAND\BREAK.C
SRC\COMMAND\BUILD.LOG
SRC\COMMAND\CALL.C
SRC\COMMAND\CD.C
SRC\COMMAND\CMD.C
SRC\COMMAND\COMMAND.CFG
SRC\COMMAND\COMMAND.MAK
SRC\COMMAND\COPY.C
SRC\COMMAND\DATE.C
SRC\COMMAND\DEL.C
SRC\COMMAND\DIR.C
SRC\COMMAND\DOSLIB.C
SRC\COMMAND\ECHO.C
SRC\COMMAND\ENV.C
SRC\COMMAND\ERR.C
SRC\COMMAND\FOR.C
SRC\COMMAND\GLOBALS.H
SRC\COMMAND\GOTO.C
SRC\COMMAND\HELP.C
SRC\COMMAND\HELP.CFG
SRC\COMMAND\HELP.MAK
SRC\COMMAND\HELPEXE.C
SRC\COMMAND\HELPFILE
SRC\COMMAND\IF.C
SRC\COMMAND\LABEL.C
SRC\COMMAND\MKDIR.C
SRC\COMMAND\NEWENV.C
SRC\COMMAND\PATH.C
SRC\COMMAND\PAUSE.C
SRC\COMMAND\PROMPT.C
SRC\COMMAND\PROTO.H
SRC\COMMAND\REM.C
SRC\COMMAND\REN.C
SRC\COMMAND\RMDIR.C
SRC\COMMAND\SCAN.C
SRC\COMMAND\SET.C
SRC\COMMAND\SHIFT.C
SRC\COMMAND\TIME.C
SRC\COMMAND\TYPE.C
SRC\COMMAND\VER.C
SRC\COMMAND\VERIFY.C
SRC\BOOT\BOOT.ASM
SRC\BOOT\BOOT.MAK
SRC\UTILS
SRC\TMP
SRC\MISC
SRC\KERNEL
SRC\IPL
SRC\FS
SRC\DRIVERS
SRC\COMMAND
SRC\BOOT
SRC

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