receiving tons of dummy data from computer port

000013b0: 6B 7B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B k{kkkkkkkkkkkkkk
000013c0: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkkkkkkkkkkkkkk
000013d0: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkkkkkkkkkkkkkk
000013e0: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 7B 6B kkkkkkkkkkkkkk{k
000013f0: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkkkkkkkkkkkkkk
00001400: 6B 6B 7B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kk{kkkkkkkkkkkkk
00001410: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkkkkkkkkkkkkkk
00001420: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 7B 6B 6B 6B 6B kkkkkkkkkkk{kkkk
00001430: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkkkkkkkkkkkkkk
00001440: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkkkkkkkkkkkkkk
00001450: 6B 6B 6B 6B 7B 6B 6B 6B | 6B 6B 6B 6B 6B 6B 6B 6B kkkk{kkkkkkkkkkk
00001460: 6B 6B 6B 6B 6B 6B 6B 6B | 7B 6B 6B 6B 6B 6B 6B 6B kkkkkkkk{kkkkkkk
00001470: 6B 6B 6B 6B 6B 6B 6B 6B | 6B 6B 7B 6B 6B 6B 6B 6B kkkkkkkkkk{kkkkk
00001480: 6B 6B 6B 4B 5B 5B DB DB | DB DB DB DB DB DB DB DB kkkK[[ÛÛÛÛÛÛÛÛÛÛ
00001490: DB DB DB 6D DB DB D9 DB | DB 9B 9B BB B3 B3 B3 B3 ÛÛÛmÛÛÙÛÛ››»³³³³
000014a0: B3 B3 B7 F7 ³³·÷

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char uart_rd;

void main() {

  ADCON1 |= 0x0F;                 // Configure AN pins as digital

  UART1_Init(9600);               // Initialize UART module at 9600 bps
  Delay_ms(1000);                  // Wait for UART module to stabilize


  while (1) {
  

   if (UART1_Data_Ready()) {      // If data is received,
     uart_rd = UART1_Read();      //   read the received data,
     UART1_Write(uart_rd);

    }
  }
 }