#pragma once

#include <cstdint>

namespace maple {
  namespace host_instruction {
    constexpr uint32_t end_flag = 1 << 31;

    namespace port_select {
      constexpr uint32_t a = 0 << 16;
      constexpr uint32_t b = 1 << 16;
      constexpr uint32_t c = 2 << 16;
      constexpr uint32_t d = 3 << 16;

      constexpr uint32_t bit_mask = 0x3 << 16;
    }

    namespace pattern {
      constexpr uint32_t normal = 0b000 << 8;
      constexpr uint32_t light_gun_mode = 0b010 << 8;
      constexpr uint32_t reset = 0b011 << 8;
      constexpr uint32_t return_from_light_gun_mode = 0b100 << 8;
      constexpr uint32_t nop = 0b111 << 8;

      constexpr uint32_t bit_mask = 0x7 << 8;
    }

    constexpr inline uint32_t transfer_length(uint32_t num) { return (num & 0xff) << 0; }
  }

  namespace receive_data_storage_address {
    constexpr inline uint32_t address(uint32_t num) { return (num & 0x1fffffff) << 0; }
  }

  namespace ap {
    namespace port_select {
      constexpr uint32_t a = 0b00 << 6;
      constexpr uint32_t b = 0b01 << 6;
      constexpr uint32_t c = 0b10 << 6;
      constexpr uint32_t d = 0b11 << 6;

      constexpr uint32_t bit_mask = 0x3 << 6;
    }

    namespace de {
      constexpr uint32_t device = 1 << 5;
      constexpr uint32_t expansion_device = 0 << 5;
      constexpr uint32_t port = 0 << 5;

      constexpr uint32_t bit_mask = 0x1 << 5;
    }

    namespace lm_bus {
      constexpr uint32_t _4 = 0b10000 << 0;
      constexpr uint32_t _3 = 0b01000 << 0;
      constexpr uint32_t _2 = 0b00100 << 0;
      constexpr uint32_t _1 = 0b00010 << 0;
      constexpr uint32_t _0 = 0b00001 << 0;

      constexpr uint32_t bit_mask = 0x1f << 0;
    }
  }

  namespace function_type {
    constexpr uint32_t camera = 1 << 11;
    constexpr uint32_t exchange_media = 1 << 10;
    constexpr uint32_t pointing = 1 << 9;
    constexpr uint32_t vibration = 1 << 8;
    constexpr uint32_t light_gun = 1 << 7;
    constexpr uint32_t keyboard = 1 << 6;
    constexpr uint32_t ar_gun = 1 << 5;
    constexpr uint32_t audio_input = 1 << 4;
    constexpr uint32_t timer = 1 << 3;
    constexpr uint32_t bw_lcd = 1 << 2;
    constexpr uint32_t storage = 1 << 1;
    constexpr uint32_t controller = 1 << 0;
  }

}