Whitehorn Ltd. Co. released an update for DR DOS last Saturday. The new version is labeled 9.0 Revision 648. This release marks a significant shift in the operating system's development history.
System requirements include Intel 386 and 2 MB memory
The 9.0 release represents a complete rebuild from scratch. The code was written entirely in assembly language. This approach eliminates all legacy code from previous iterations.
Users need an Intel 386 processor or higher to run the software. The system also requires 2 MB of memory and a VGA-compatible display adapter. The BIOS must support LBA or CHS disk addressing. The operating system works with FAT 12 or FAT 16 file systems.
New features add colored editor and memory manipulation tools
The update introduces several new features and commands. A full-featured editor now supports colored displays, keyboard shortcuts, and clipboard functions. Developers can use new commands like HEXDUMP for debugging. Other new tools include PEEK, POKE, and JMP for direct memory manipulation.
Whitehorn Ltd. Co. acquired DR DOS in 2022 and has provided regular updates since then. The company offers the software as a free download. The product is not open source. The vendor has not confirmed the launch window for future versions.
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