SZ_OS::32 Bit Real Mode Operating System for 386+ Processors
It supports:
  • Preemtive Multitasking
  • FAT16
  • VFAT [FAT16 with Long File Names from Win95]
  • FAT12
  • virtual screens [multiple, scrollback buffer, different resolutions]
  • different font on every screen and resolution
  • Message System


      The file sz_os.zip [27.9 kb] includes all files and test programs.

    Do you like the software?

    Do you need features?
    Related interesting software: PM_SZ_OS::32 Bit Protect Mode Operating System for 486+ Processors
    You can make a Bootdisk or start the kernel under MS-DOS(not everything works ok[i've no idea what]).

    Bootdisk MS-DOS
  • Download ZIP file

  • Unpack

  • Insert formated empty FAT disk in drive A

  • copy kernel file "SZ_OS" to drive A

  • run "MAKEB.EXE BOOTCODE" This will write the BOOTCODE file to the bootsector from drive A

  • copy the other files also to drive A

  • Boot from drive A

    		•
  • Download ZIP file

  • Unpack

  • rename kernel file "SZ_OS" to "SZ_OS.COM"

  • Insert formated empty FAT disk in A

  • copy the other files to A

  • run "SZ_OS.COM"

    		•


    Keys Function
    Alt-F12 Create new text console with shell
    Alt-F1 to Alt-F9 Switch between consoles
    Alt-F11 Switch to next console
    Ctrl-Alt-Gray Plus, Ctrl-Alt-Gray Minus Change resulotion
    Ctrl-Alt & Cursor Up, Cursor Down, Pos1, End, Page Up, Page Down, Return move screen view


    Cmd Line Result
    File_Name Shell waits until program exit
    File_Name & Shell returns immediately [Multitasking]
    File_Name |Screen_Number Output goes to screen Screen_Number
    File_Name |+PID Output goes via messagesystem to Process PID
    File_Name |Screen_Number & Think Baby...
    File_Name |+PID & see above


    If filename or directoryname includes spaces, use " at begin and end.
    -
    HI-CON is an High Resolution Text Console Driver [132x25/132x43]. This program adds a new console. Start a shell with "shell.com |Screen_Number &" on this new screen.
    -
    The set_font program accept Raw Font files for 8x8 8x14 8x16 fonts.
    -
    Try Option -? to get help.

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    run_to_sz@gmx.net