//////////////////////////////////////////////////////////////////////////
// Mapper070  Bandai 74161                                              //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.MMU;
using static VirtualNes.Core.CPU;
using INT = System.Int32;
using BYTE = System.Byte;
using System;
//using Codice.CM.Client.Differences;

namespace VirtualNes.Core
{
	public class Mapper070 : Mapper
	{
		BYTE patch;
		public Mapper070(NES parent) : base(parent)
		{
		}

		public override void Reset()
		{
			patch = 0;

			uint crc = nes.rom.GetPROM_CRC();

			if (crc == 0xa59ca2ef)
			{   // Kamen Rider Club(J)
				patch = 1;
				nes.SetRenderMethod(EnumRenderMethod.POST_ALL_RENDER);
			}
			if (crc == 0x10bb8f9a)
			{   // Family Trainer - Manhattan Police(J)
				patch = 1;
			}
			if (crc == 0x0cd00488)
			{   // Space Shadow(J)
				patch = 1;
			}

			SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
			SetVROM_8K_Bank(0);
		}

		//void Mapper070::Write(WORD addr, BYTE data)
		public override void Write(ushort addr, byte data)
		{
			SetPROM_16K_Bank(4, (data & 0x70) >> 4);
			SetVROM_8K_Bank(data & 0x0F);

			if (patch != 0)
			{
				if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_HMIRROR);
				else SetVRAM_Mirror(VRAM_VMIRROR);
			}
			else
			{
				if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_MIRROR4H);
				else SetVRAM_Mirror(VRAM_MIRROR4L);
			}
		}


	}
}