namespace MyNes.Core;

[BoardInfo("BxROM/NINA-001", 34)]
internal class Mapper034 : Board
{
	private bool BxROM;

	private byte writeData;

	internal override void HardReset()
	{
		base.HardReset();
		BxROM = true;
		if (base.BoardType.Contains("NINA"))
		{
			BxROM = false;
		}
	}

	internal override void WriteSRM(ref ushort address, ref byte data)
	{
		base.WriteSRM(ref address, ref data);
		if (!BxROM)
		{
			switch (address)
			{
			case 32765:
				Switch32KPRG(data, PRGArea.Area8000);
				break;
			case 32766:
				Switch04KCHR(data, CHRArea.Area0000);
				break;
			case 32767:
				Switch04KCHR(data, CHRArea.Area1000);
				break;
			}
		}
	}

	internal override void WritePRG(ref ushort address, ref byte data)
	{
		if (BxROM)
		{
			ReadPRG(ref address, out writeData);
			writeData &= data;
			Switch32KPRG(writeData, PRGArea.Area8000);
		}
	}
}