#include "simple.h"

int            plain_int;
enum simple_state current_state = not_init;

unsigned long data_value;
unsigned long check_value;

unsigned char  byte = 0xaa;
unsigned char  byte2= 0xbb;
unsigned char  byte3= 0xcc;
unsigned char  byte4= 0xdd;

extern exit(int status);

void simple_exit(int code)
{
    exit(code);
}

void simple_initialize()
{
    current_state = init;
    data_value = 0xffffffff;
    plain_int = 0x1234;
}

void byte_write(unsigned short addr, unsigned char data)
{
    *(unsigned char *) addr = data;
}

unsigned char byte_read(unsigned short addr)
{
    return(*(unsigned char *) addr);
}

void simple_write(unsigned long val)
{
    if (val != check_value)
        current_state = error;
    else
        current_state = write_enabled;

    data_value = val;

    printf("simple_write() value: %x\n",data_value);
}

unsigned long simple_read()
{
    current_state = read_enabled;

    printf("simple_read() value: %x\n",data_value);

    return(data_value);
}


void simple_transaction(int length, int data) 
{
  int i;

  for(i = 0; i < length; i++) 
  {
      simple_write(data+i);
      simple_read();
  }

}

int main()
{
    unsigned long w = 0x12345678;
    unsigned long r;

    (void)simple_initialize();
    (void)simple_write(w);
     r = simple_read();

    (void) simple_transaction(10, 10);

    return (0);
}