函数名: movedata

功 能: 拷贝字节

用 法: void movedata(int segsrc, int offsrc, int segdest,

int offdest, unsigned numbytes);

程序例:

#include <mem.h>

#define MONO_BASE 0xB000

/* saves the contents of the monochrome screen in buffer */

void save_mono_screen(char near *buffer)

{

movedata(MONO_BASE, 0, _DS, (unsigned)buffer, 80*25*2);

}

int main(void)

{

char buf[80*25*2];

save_mono_screen(buf);

}