putchar.h

这是TCP/IP协议组播的实现代码

#ifndef __PUTCHAR_H_
#define __PUTCHAR_H_

//sfr scon0     = 0x98;
sfr sbuf0     = 0x99;
sbit ti    = scon0^1; /* Alternate TI_0  */
sbit ri    = scon0^0; /* Alternate RI_0  */
sfr scon2     = 0xFE;
sfr sbuf2     = 0xFF;

#endif