lEEt/OS/ST-DOS development channel http://sininenankka.dy.fi/leetos/ 300 ST-DOS 1,44 MB floppy disk release January 02 2025 19:04:51January 02 2025 19:04:51http://sininenankka.dy.fi/leetos/doskernel/levy.imgmd5 checksums:<br>d90e850ff46c23afd6544737d95a28ed beta2fl2.img<br>6bc1d22da84edced976f5e6652d74117 doskernel/levy.img<br>b328cfb9b656a8e39433ddd289b7b480 doskernel/stdos.iso<br>cd503ca89d5918c69e7a2c631740a91b doskernel/usbboot.img<br>f79d59d759a64f84dd5eeea41df04973 doskernel/PCXTBOOT.IMG<br>e90e8cdc6efb1499aeab226bfc10ea01 doskernel/kernel.zip<br>9871954c75368e6b37400a8c9b1c9d6b doskernel/bootsect.zip<br><br><br>2. 1. 2025: Fixed a bug in the EXE loader.<br><br>24. 11. 2024: Better out of memory handling.<br><br>2. 11. 2024: New version of NETDISK.<br><br>1. 11. 2024: Fixed a bug in the TCP/IP stack. It should now detect the DNS server correctly from the DHCP response.<br><br>18. 10. 2024: Speed optimizations.<br><br>10. 10. 2024: New: NUL device and inheritance flag for file handles.<br><br>8. 10. 2024: CON is now an allowed driver name.<br><br>30. 9. 2024: Fixed a bug that the command prompt exited when it couldn't redirect the STDIO correctly.<br><br>28. 9. 2024: STDIO redirections should now work...<br><br>24. 9. 2024: The serial port driver now flushes the hardware input buffer when the settings of a serial port are changed.<br><br>19. 9. 2024: Included NETDISK and a new mouse driver in the bootable disk images.<br><br>12. 9. 2024: Better critical error handler.<br><br>11. 9. 2024: Changed the driver API. Update your drivers!<br><br>11. 9. 2024: When accessing optical disks the critical error handler is now called by the CDROM device driver instead of the filesystem driver.<br><br>7. 9. 2024: Hardening the kernel and the CD-ROM driver against some very unlikely situations that would otherwise crash the system.<br><br>6. 9. 2024: Fixes for the TCP/IP stack.<br><br>5. 9. 2024: Support for mounting device files to mountpoints.<br><br>31. 8. 2024: The graphical shell now supports advanced power saving features. The POWER driver can be downloaded from the software page.<br><br>14. 8. 2024: Better compatibility with filesystems that are created with Linux's mkfs.fat.<br><br>11. 8. 2024: DIR listing consumes less than 40 columns.<br><br>31. 7. 2024: Bug fixes.<br><br>19. 7. 2024: Support for large partitioned hard disks. The 2047 MB limit is gone.<br><br>16. 5. 2024: Fixed a problem with drive letters in ISO9660 driver.<br><br>23. 4. 2024: Fixed a memory leak in the TCPIP module. The TCP/IP stack is now better bug compatible with some packet drivers.<br><br>21. 4. 2024: ISO9660 driver can now be loaded also when the computer does not have optical drives.<br><br>7. 4. 2024: Bug fixes, the graphical UI doesn't crash anymore when tiling windows. Better congestion control for the TCP/IP stack. The bootloader now supports booting from a partitioned disk.<br><br>1. 4. 2024: Added userspace utilities TREE, DELTREE, DIRFIND (called by COMMAND.COM when DIR /S command is given), XCOPY and ATTRIB.<br><br>29. 3. 2024: Bug fixes.<br><br>28. 3. 2024: Replaced MMX routines with code that uses 32-bit i386 registers. Symbolic links can now point to device files.<br><br>26. 3. 2024: Micro-optimizations. The kernel can now be compiled with MMX support to make calculating 64-bit sector indexes faster. The default build uses 32-bit sector indexes.<br><br>23. 3. 2024: The size of the source filesystem is now detected automatically when creating filesystem images from optical disks. Modifying allocation size now changes the owner of the memory block. Bug fixes in CD-ROM drivers.<br><br>21. 3. 2024: Better support for installing from a USB storage device. Disk read optimizations.<br><br>19. 3. 2024: Fixed one memory bug.<br><br>18. 3. 2024: Added DOS syscall 0x26. Interrupt vector 0x22 now points to the program termination address.<br><br>16. 3. 2024: Fixed two memory bugs.<br><br>13. 3. 2024: Fixed write problems with LBA drives.<br><br>10. 3. 2024: Bug fixes<br><br>24. 2. 2024: Bug fixes and optimizations<br><br>22. 2. 2024: Fixed a bug in the .COM loader.<br><br>20. 2. 2024: Bug fixes for KEYB.<br><br>15. 1. 2024: Support for different keyboard layouts.<br><br>10. 12. 2023: Support for 8 TB ISO9660 filesystems.<br><br>10. 11. 2023: The ATAPI CD-ROM code should now work with physical hardware without BIOS support for CD-ROMs.<br><br>23. 10. 2023: Symbolic links.<br><br>10. 10. 2023: Experimental CD-ROM support.<br><br>4. 10. 2023: The filesystem mounter now supports MS-DOS logical partitions.<br><br>15. 8. 2023: Write buffer optimizations.<br><br>15. 7. 2023: Wildcards for COPY and DEL commands.<br><br>8. 7. 2023: The kernel now supports BIOS int 13h enhanced disk drive extensions and <br>hard drives that have a size of 2^64 sectors (which is 8589934592 terabytes when the sector size is 512 bytes). <br>The standard build of the kernel also now works with the original IBM PC and XT.<br><br>16. 6. 2023: Bug fixes...<br><br>27. 5. 2023: It runs DOOM!<br>ST-DOS El Torito ISO image release January 02 2025 19:04:51January 02 2025 19:04:51http://sininenankka.dy.fi/leetos/doskernel/stdos.isomd5 checksums:<br>d90e850ff46c23afd6544737d95a28ed beta2fl2.img<br>6bc1d22da84edced976f5e6652d74117 doskernel/levy.img<br>b328cfb9b656a8e39433ddd289b7b480 doskernel/stdos.iso<br>cd503ca89d5918c69e7a2c631740a91b doskernel/usbboot.img<br>f79d59d759a64f84dd5eeea41df04973 doskernel/PCXTBOOT.IMG<br>e90e8cdc6efb1499aeab226bfc10ea01 doskernel/kernel.zip<br>9871954c75368e6b37400a8c9b1c9d6b doskernel/bootsect.zip<br><br><br>2. 1. 2025: Fixed a bug in the EXE loader.<br><br>24. 11. 2024: Better out of memory handling.<br><br>2. 11. 2024: New version of NETDISK.<br><br>1. 11. 2024: Fixed a bug in the TCP/IP stack. It should now detect the DNS server correctly from the DHCP response.<br><br>18. 10. 2024: Speed optimizations.<br><br>10. 10. 2024: New: NUL device and inheritance flag for file handles.<br><br>8. 10. 2024: CON is now an allowed driver name.<br><br>30. 9. 2024: Fixed a bug that the command prompt exited when it couldn't redirect the STDIO correctly.<br><br>28. 9. 2024: STDIO redirections should now work...<br><br>24. 9. 2024: The serial port driver now flushes the hardware input buffer when the settings of a serial port are changed.<br><br>19. 9. 2024: Included NETDISK and a new mouse driver in the bootable disk images.<br><br>12. 9. 2024: Better critical error handler.<br><br>11. 9. 2024: Changed the driver API. Update your drivers!<br><br>11. 9. 2024: When accessing optical disks the critical error handler is now called by the CDROM device driver instead of the filesystem driver.<br><br>7. 9. 2024: Hardening the kernel and the CD-ROM driver against some very unlikely situations that would otherwise crash the system.<br><br>6. 9. 2024: Fixes for the TCP/IP stack.<br><br>5. 9. 2024: Support for mounting device files to mountpoints.<br><br>31. 8. 2024: The graphical shell now supports advanced power saving features. The POWER driver can be downloaded from the software page.<br><br>14. 8. 2024: Better compatibility with filesystems that are created with Linux's mkfs.fat.<br><br>11. 8. 2024: DIR listing consumes less than 40 columns.<br><br>31. 7. 2024: Bug fixes.<br><br>19. 7. 2024: Support for large partitioned hard disks. The 2047 MB limit is gone.<br><br>16. 5. 2024: Fixed a problem with drive letters in ISO9660 driver.<br><br>23. 4. 2024: Fixed a memory leak in the TCPIP module. The TCP/IP stack is now better bug compatible with some packet drivers.<br><br>21. 4. 2024: ISO9660 driver can now be loaded also when the computer does not have optical drives.<br><br>7. 4. 2024: Bug fixes, the graphical UI doesn't crash anymore when tiling windows. Better congestion control for the TCP/IP stack. The bootloader now supports booting from a partitioned disk.<br><br>1. 4. 2024: Added userspace utilities TREE, DELTREE, DIRFIND (called by COMMAND.COM when DIR /S command is given), XCOPY and ATTRIB.<br><br>29. 3. 2024: Bug fixes.<br><br>28. 3. 2024: Replaced MMX routines with code that uses 32-bit i386 registers. Symbolic links can now point to device files.<br><br>26. 3. 2024: Micro-optimizations. The kernel can now be compiled with MMX support to make calculating 64-bit sector indexes faster. The default build uses 32-bit sector indexes.<br><br>23. 3. 2024: The size of the source filesystem is now detected automatically when creating filesystem images from optical disks. Modifying allocation size now changes the owner of the memory block. Bug fixes in CD-ROM drivers.<br><br>21. 3. 2024: Better support for installing from a USB storage device. Disk read optimizations.<br><br>19. 3. 2024: Fixed one memory bug.<br><br>18. 3. 2024: Added DOS syscall 0x26. Interrupt vector 0x22 now points to the program termination address.<br><br>16. 3. 2024: Fixed two memory bugs.<br><br>13. 3. 2024: Fixed write problems with LBA drives.<br><br>10. 3. 2024: Bug fixes<br><br>24. 2. 2024: Bug fixes and optimizations<br><br>22. 2. 2024: Fixed a bug in the .COM loader.<br><br>20. 2. 2024: Bug fixes for KEYB.<br><br>15. 1. 2024: Support for different keyboard layouts.<br><br>10. 12. 2023: Support for 8 TB ISO9660 filesystems.<br><br>10. 11. 2023: The ATAPI CD-ROM code should now work with physical hardware without BIOS support for CD-ROMs.<br><br>23. 10. 2023: Symbolic links.<br><br>10. 10. 2023: Experimental CD-ROM support.<br><br>4. 10. 2023: The filesystem mounter now supports MS-DOS logical partitions.<br><br>15. 8. 2023: Write buffer optimizations.<br><br>15. 7. 2023: Wildcards for COPY and DEL commands.<br><br>8. 7. 2023: The kernel now supports BIOS int 13h enhanced disk drive extensions and <br>hard drives that have a size of 2^64 sectors (which is 8589934592 terabytes when the sector size is 512 bytes). <br>The standard build of the kernel also now works with the original IBM PC and XT.<br><br>16. 6. 2023: Bug fixes...<br><br>27. 5. 2023: It runs DOOM!<br>ST-DOS 360 kB floppy release January 02 2025 19:04:51January 02 2025 19:04:51http://sininenankka.dy.fi/leetos/doskernel/PCXTBOOT.IMGmd5 checksums:<br>d90e850ff46c23afd6544737d95a28ed beta2fl2.img<br>6bc1d22da84edced976f5e6652d74117 doskernel/levy.img<br>b328cfb9b656a8e39433ddd289b7b480 doskernel/stdos.iso<br>cd503ca89d5918c69e7a2c631740a91b doskernel/usbboot.img<br>f79d59d759a64f84dd5eeea41df04973 doskernel/PCXTBOOT.IMG<br>e90e8cdc6efb1499aeab226bfc10ea01 doskernel/kernel.zip<br>9871954c75368e6b37400a8c9b1c9d6b doskernel/bootsect.zip<br><br><br>2. 1. 2025: Fixed a bug in the EXE loader.<br><br>24. 11. 2024: Better out of memory handling.<br><br>2. 11. 2024: New version of NETDISK.<br><br>1. 11. 2024: Fixed a bug in the TCP/IP stack. It should now detect the DNS server correctly from the DHCP response.<br><br>18. 10. 2024: Speed optimizations.<br><br>10. 10. 2024: New: NUL device and inheritance flag for file handles.<br><br>8. 10. 2024: CON is now an allowed driver name.<br><br>30. 9. 2024: Fixed a bug that the command prompt exited when it couldn't redirect the STDIO correctly.<br><br>28. 9. 2024: STDIO redirections should now work...<br><br>24. 9. 2024: The serial port driver now flushes the hardware input buffer when the settings of a serial port are changed.<br><br>19. 9. 2024: Included NETDISK and a new mouse driver in the bootable disk images.<br><br>12. 9. 2024: Better critical error handler.<br><br>11. 9. 2024: Changed the driver API. Update your drivers!<br><br>11. 9. 2024: When accessing optical disks the critical error handler is now called by the CDROM device driver instead of the filesystem driver.<br><br>7. 9. 2024: Hardening the kernel and the CD-ROM driver against some very unlikely situations that would otherwise crash the system.<br><br>6. 9. 2024: Fixes for the TCP/IP stack.<br><br>5. 9. 2024: Support for mounting device files to mountpoints.<br><br>31. 8. 2024: The graphical shell now supports advanced power saving features. The POWER driver can be downloaded from the software page.<br><br>14. 8. 2024: Better compatibility with filesystems that are created with Linux's mkfs.fat.<br><br>11. 8. 2024: DIR listing consumes less than 40 columns.<br><br>31. 7. 2024: Bug fixes.<br><br>19. 7. 2024: Support for large partitioned hard disks. The 2047 MB limit is gone.<br><br>16. 5. 2024: Fixed a problem with drive letters in ISO9660 driver.<br><br>23. 4. 2024: Fixed a memory leak in the TCPIP module. The TCP/IP stack is now better bug compatible with some packet drivers.<br><br>21. 4. 2024: ISO9660 driver can now be loaded also when the computer does not have optical drives.<br><br>7. 4. 2024: Bug fixes, the graphical UI doesn't crash anymore when tiling windows. Better congestion control for the TCP/IP stack. The bootloader now supports booting from a partitioned disk.<br><br>1. 4. 2024: Added userspace utilities TREE, DELTREE, DIRFIND (called by COMMAND.COM when DIR /S command is given), XCOPY and ATTRIB.<br><br>29. 3. 2024: Bug fixes.<br><br>28. 3. 2024: Replaced MMX routines with code that uses 32-bit i386 registers. Symbolic links can now point to device files.<br><br>26. 3. 2024: Micro-optimizations. The kernel can now be compiled with MMX support to make calculating 64-bit sector indexes faster. The default build uses 32-bit sector indexes.<br><br>23. 3. 2024: The size of the source filesystem is now detected automatically when creating filesystem images from optical disks. Modifying allocation size now changes the owner of the memory block. Bug fixes in CD-ROM drivers.<br><br>21. 3. 2024: Better support for installing from a USB storage device. Disk read optimizations.<br><br>19. 3. 2024: Fixed one memory bug.<br><br>18. 3. 2024: Added DOS syscall 0x26. Interrupt vector 0x22 now points to the program termination address.<br><br>16. 3. 2024: Fixed two memory bugs.<br><br>13. 3. 2024: Fixed write problems with LBA drives.<br><br>10. 3. 2024: Bug fixes<br><br>24. 2. 2024: Bug fixes and optimizations<br><br>22. 2. 2024: Fixed a bug in the .COM loader.<br><br>20. 2. 2024: Bug fixes for KEYB.<br><br>15. 1. 2024: Support for different keyboard layouts.<br><br>10. 12. 2023: Support for 8 TB ISO9660 filesystems.<br><br>10. 11. 2023: The ATAPI CD-ROM code should now work with physical hardware without BIOS support for CD-ROMs.<br><br>23. 10. 2023: Symbolic links.<br><br>10. 10. 2023: Experimental CD-ROM support.<br><br>4. 10. 2023: The filesystem mounter now supports MS-DOS logical partitions.<br><br>15. 8. 2023: Write buffer optimizations.<br><br>15. 7. 2023: Wildcards for COPY and DEL commands.<br><br>8. 7. 2023: The kernel now supports BIOS int 13h enhanced disk drive extensions and <br>hard drives that have a size of 2^64 sectors (which is 8589934592 terabytes when the sector size is 512 bytes). <br>The standard build of the kernel also now works with the original IBM PC and XT.<br><br>16. 6. 2023: Bug fixes...<br><br>27. 5. 2023: It runs DOOM!<br>ST-DOS USB boot release January 02 2025 19:04:51January 02 2025 19:04:51http://sininenankka.dy.fi/leetos/doskernel/usbboot.imgmd5 checksums:<br>d90e850ff46c23afd6544737d95a28ed beta2fl2.img<br>6bc1d22da84edced976f5e6652d74117 doskernel/levy.img<br>b328cfb9b656a8e39433ddd289b7b480 doskernel/stdos.iso<br>cd503ca89d5918c69e7a2c631740a91b doskernel/usbboot.img<br>f79d59d759a64f84dd5eeea41df04973 doskernel/PCXTBOOT.IMG<br>e90e8cdc6efb1499aeab226bfc10ea01 doskernel/kernel.zip<br>9871954c75368e6b37400a8c9b1c9d6b doskernel/bootsect.zip<br><br><br>2. 1. 2025: Fixed a bug in the EXE loader.<br><br>24. 11. 2024: Better out of memory handling.<br><br>2. 11. 2024: New version of NETDISK.<br><br>1. 11. 2024: Fixed a bug in the TCP/IP stack. It should now detect the DNS server correctly from the DHCP response.<br><br>18. 10. 2024: Speed optimizations.<br><br>10. 10. 2024: New: NUL device and inheritance flag for file handles.<br><br>8. 10. 2024: CON is now an allowed driver name.<br><br>30. 9. 2024: Fixed a bug that the command prompt exited when it couldn't redirect the STDIO correctly.<br><br>28. 9. 2024: STDIO redirections should now work...<br><br>24. 9. 2024: The serial port driver now flushes the hardware input buffer when the settings of a serial port are changed.<br><br>19. 9. 2024: Included NETDISK and a new mouse driver in the bootable disk images.<br><br>12. 9. 2024: Better critical error handler.<br><br>11. 9. 2024: Changed the driver API. Update your drivers!<br><br>11. 9. 2024: When accessing optical disks the critical error handler is now called by the CDROM device driver instead of the filesystem driver.<br><br>7. 9. 2024: Hardening the kernel and the CD-ROM driver against some very unlikely situations that would otherwise crash the system.<br><br>6. 9. 2024: Fixes for the TCP/IP stack.<br><br>5. 9. 2024: Support for mounting device files to mountpoints.<br><br>31. 8. 2024: The graphical shell now supports advanced power saving features. The POWER driver can be downloaded from the software page.<br><br>14. 8. 2024: Better compatibility with filesystems that are created with Linux's mkfs.fat.<br><br>11. 8. 2024: DIR listing consumes less than 40 columns.<br><br>31. 7. 2024: Bug fixes.<br><br>19. 7. 2024: Support for large partitioned hard disks. The 2047 MB limit is gone.<br><br>16. 5. 2024: Fixed a problem with drive letters in ISO9660 driver.<br><br>23. 4. 2024: Fixed a memory leak in the TCPIP module. The TCP/IP stack is now better bug compatible with some packet drivers.<br><br>21. 4. 2024: ISO9660 driver can now be loaded also when the computer does not have optical drives.<br><br>7. 4. 2024: Bug fixes, the graphical UI doesn't crash anymore when tiling windows. Better congestion control for the TCP/IP stack. The bootloader now supports booting from a partitioned disk.<br><br>1. 4. 2024: Added userspace utilities TREE, DELTREE, DIRFIND (called by COMMAND.COM when DIR /S command is given), XCOPY and ATTRIB.<br><br>29. 3. 2024: Bug fixes.<br><br>28. 3. 2024: Replaced MMX routines with code that uses 32-bit i386 registers. Symbolic links can now point to device files.<br><br>26. 3. 2024: Micro-optimizations. The kernel can now be compiled with MMX support to make calculating 64-bit sector indexes faster. The default build uses 32-bit sector indexes.<br><br>23. 3. 2024: The size of the source filesystem is now detected automatically when creating filesystem images from optical disks. Modifying allocation size now changes the owner of the memory block. Bug fixes in CD-ROM drivers.<br><br>21. 3. 2024: Better support for installing from a USB storage device. Disk read optimizations.<br><br>19. 3. 2024: Fixed one memory bug.<br><br>18. 3. 2024: Added DOS syscall 0x26. Interrupt vector 0x22 now points to the program termination address.<br><br>16. 3. 2024: Fixed two memory bugs.<br><br>13. 3. 2024: Fixed write problems with LBA drives.<br><br>10. 3. 2024: Bug fixes<br><br>24. 2. 2024: Bug fixes and optimizations<br><br>22. 2. 2024: Fixed a bug in the .COM loader.<br><br>20. 2. 2024: Bug fixes for KEYB.<br><br>15. 1. 2024: Support for different keyboard layouts.<br><br>10. 12. 2023: Support for 8 TB ISO9660 filesystems.<br><br>10. 11. 2023: The ATAPI CD-ROM code should now work with physical hardware without BIOS support for CD-ROMs.<br><br>23. 10. 2023: Symbolic links.<br><br>10. 10. 2023: Experimental CD-ROM support.<br><br>4. 10. 2023: The filesystem mounter now supports MS-DOS logical partitions.<br><br>15. 8. 2023: Write buffer optimizations.<br><br>15. 7. 2023: Wildcards for COPY and DEL commands.<br><br>8. 7. 2023: The kernel now supports BIOS int 13h enhanced disk drive extensions and <br>hard drives that have a size of 2^64 sectors (which is 8589934592 terabytes when the sector size is 512 bytes). <br>The standard build of the kernel also now works with the original IBM PC and XT.<br><br>16. 6. 2023: Bug fixes...<br><br>27. 5. 2023: It runs DOOM!<br>