using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Linq;
using System.Text;


//data register		9,8,7,6,5,4,3,2;
//status register	n11,10,12,13,15,-,-,-;
//control register	n1,n14,16,n17,-,-,-,-;


namespace function_PP
{
    class PP
    {
        /* Importování funkce 'Out32' z knihovny inpout32.dll a nahrazení vlastní fukncí PP_Output */
        [DllImport("inpout32.dll", EntryPoint = "Out32")]
        private static extern void PP_Output(int address, int value);

        /* Importování funkce 'Inp32' z knihovny inpout32.dll a nahrazení vlastní fukncí PP_Input */
        [DllImport("inpout32.dll", EntryPoint = "Inp32")]
        private static extern int PP_Input(int address);

        public static void PP_Data_Out(int value1)
        {
            PP_Output(0x378, value1);
        }

        public static int PP_Data_In()
        {
            return (PP_Input(0x378));
        }

        public static int PP_Status_In()
        {
            int value2 = (PP_Input(0x379));
            if((value2 & 0x80) != 0)
            {
                value2 &= ~(0x80);
            }
            else
            {
                value2 |= 0x80;
            }
            value2 = value2 >> 3;
            return (value2);
        }

        public static void PP_Control_Out(int value3)
        {
            if ((value3 & 0x04) != 0) value3 &= ~0x04;
            else value3 |= 0x04;
            value3 = (~value3) & 0x0f;
            PP_Output(0x37a, value3);
        }
    }
}