/*
 Copyright (C) 2002, GCT-Allwell
 MB6086 LED BLINKING Utility Ver 1.2

 By Arthur Fang, Jan 15, 2002
*/

typedef unsigned char	BYTE;
typedef unsigned short	WORD;
typedef unsigned long	DWORD;


#include <stdio.h>
#include <stdlib.h>
#include <dos.h>

#define GPO8_11 0x404D


void main(int argc, char *argv[])
{
  WORD num;
  BYTE pdata;
  DWORD pwdata;
  char *endptr;

  printf("Copyright (c) 2002, GCT-Allwell\n");
  printf(" MB6086 RED LED BLINKING TEST Utility. Ver 1.2\n\n");

  if (argc != 2)
  {
      printf("	Usage: W6086LED Number\n");
      printf("	 Number: 1-FE(HEX)\n");
      printf("		 FF = forever\n");
      exit(1);
  }

  num = strtoul(argv[1], &endptr, 16);
  if(num==0)
  {
      printf("	Usage: W6086LED Number\n");
      printf("	 Number: 1-FE(HEX)\n");
      printf("		 FF = forever\n");
      exit(1);
  }

//check VIA audio
  outpd(0xcf8, 0x80003800);
  if(0x6861106!=inpd(0xcfc))
  {
    printf("  VIA VT82C686B device not found!\n");
    exit(1);
  }

//enable GPO11
  outpd(0xcf8, 0x80003874);
  pwdata = 0xfff7ffff&inpd(0xcfc); //R76(3) = 0
  outpd(0xcfc, pwdata|0x20); //R74(5) = 1


  while(num)
  {
    delay(400);
    pdata = inp(GPO8_11);
    outp(GPO8_11, pdata|0x08); // high

    delay(400);
    outp(GPO8_11, pdata&(~0x08)); // low
    if(num<0xff) num--;
  }
}