EP端口读函数 epp read data( void epp read data(unsigned char paddr, unsigned char米data) outport(0x37b, paddr) epp check clear ( *data= inport(0x37c) epp check clear oEPP端口读函数epp_read_data() void epp_read_data(unsigned char paddr,unsigned char *data) { outportb(0x37b, paddr); epp_check_clear(); *data = inportb(0x37c); epp_check_clear(); }