A typical character of our system is that the HAL includes the DOS kernel and device driving, because we used the DOS kernel as the hardware boot_loader.
这个移植的特点就是把DOS内核和底层硬件驱动合起来作为操作系统的硬件抽象层调用。
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This paper presents a real-time and multi-task processing system developed on IBM PC-DOS (or MS-DOS) which is a single user and single-task operating system.