public link unit map {}
driver.map = map;
public link unit char {} = driver.char;
public link void OS_init(){} = driver.OS_init;
public link void Clear(){} = driver.clear;
public link void ClearLine(bit n1){} = driver.clear_line;
public link void PrintChar(bit n1,bit n2,bit n3){} = driver.print_line;
public link void SetEnglishFont(bit n1){} = driver.SetEnglishFont;
public link void SetChinesFont(bit n1){} = driver.SetChinesFont;
public link void SetEnglishFontDefault(){} = driver.SetEnglishFontDefault;
