namespace MyNes.Core
{
    [BoardInfo("Sunsoft Early", 89)]
    internal class Mapper089 : Board
    {
    	internal override void HardReset()
    	{
    		base.HardReset();
    		Switch16KPRG(PRG_ROM_16KB_Mask, PRGArea.AreaC000);
    	}

    	internal override void WritePRG(ref ushort address, ref byte data)
    	{
    		Switch08KCHR((data & 7) | ((data >> 4) & 8));
    		Switch16KPRG((data >> 4) & 7, PRGArea.Area8000);
    		Switch01KNMTFromMirroring(((data & 8) == 8) ? Mirroring.OneScB : Mirroring.OneScA);
    	}
    }
}