#include "REG932.H" #include unsigned int ucx; void Int_Ser(void) interrupt 4 using 0 { if(RI) { RI=0; P2=SBUF; } } main() { P1M1 = 0x00; P1M2 = 0x00; P2M1 = 0x00; P2M2 = 0x00; P1 = 0xFF; P2=0x00; SCON =0x50; BRGR1=0x00; BRGR0=0x20; BRGCON|=0x03; ES=1; EA=1; if (FE) { ucx=1; FE=0; } while(ucx!=0); { } }