base_io.c

Six objects here: The document you re reading & its Chinese version Set of "HWDesign" includes

#include <reg51.h>	//SFR declarations
#include "base_io.h"
#include "mainloop.h"

extern EPPFLAGS bEPPflags;

void outportb(unsigned int Addr,unsigned char Data)	//send to D12
{
	*((unsigned char xdata *)Addr)=Data;
}


unsigned char inportb(unsigned int Addr)	//receive from D12
{
	return *((unsigned char xdata *)Addr);
}