movedata.c

来自「一个类linux的dos下开发的操作系统.」· C语言 代码 · 共 17 行

#include <_size_t.h>
#include <x86.h>
/*****************************************************************************
xxx - does not handle overlapping src and dst
xxx - maybe this should go into x86 dir
*****************************************************************************/
void movedata(unsigned src_seg, unsigned src_off,
		unsigned dst_seg, unsigned dst_off, size_t count)
{
	for(; count != 0; count--)
	{
		pokeb(dst_seg, dst_off, peekb(src_seg, src_off));
		dst_off++;
		src_off++;
	}
}