AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper034.cs

//////////////////////////////////////////////////////////////////////////
// Mapper034  Nina-1                                                    //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.MMU;


namespace VirtualNes.Core
{
    public class Mapper034 : Mapper
    {
        public Mapper034(NES parent) : base(parent)
        {
        }


        public override void Reset()
        {
            SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);

            if (VROM_1K_SIZE != 0)
            {
                SetVROM_8K_Bank(0);
            }
        }

        //void Mapper034::WriteLow(WORD addr, BYTE data)
        public override void WriteLow(ushort addr, byte data)
        {
            switch (addr)
            {
                case 0x7FFD:
                    SetPROM_32K_Bank(data);
                    break;
                case 0x7FFE:
                    SetVROM_4K_Bank(0, data);
                    break;
                case 0x7FFF:
                    SetVROM_4K_Bank(4, data);
                    break;
            }
        }

        //void Mapper034::Write(WORD addr, BYTE data)
        public override void Write(ushort addr, byte data)
        {
            SetPROM_32K_Bank(data);
        }


    }
}