Microsoft M. S.-DOS Programmer's Reference

With new information on the latest version of DOS, this guide covers every MS-DOS system call, including register contents, call definitions, special notes and warnings, version-compatibility information, macro definitions and full-program examples. There is information on device drivers (including two fully functional sample device drivers), control blocks and work areas, national language support, EXE file structure and loading and relocatable object module formats, with special programming hints.