AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper061.cs

//////////////////////////////////////////////////////////////////////////
// Mapper061                                                            //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.MMU;


namespace VirtualNes.Core
{
    public class Mapper061 : Mapper
    {
        public Mapper061(NES parent) : base(parent)
        {
        }

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

        //void Mapper061::Write(WORD addr, BYTE data)
        public override void Write(ushort addr, byte data)
        {
            switch (addr & 0x30)
            {
                case 0x00:
                case 0x30:
                    SetPROM_32K_Bank(addr & 0x0F);
                    break;
                case 0x10:
                case 0x20:
                    SetPROM_16K_Bank(4, ((addr & 0x0F) << 1) | ((addr & 0x20) >> 4));
                    SetPROM_16K_Bank(6, ((addr & 0x0F) << 1) | ((addr & 0x20) >> 4));
                    break;
            }

            if ((addr & 0x80) != 0) SetVRAM_Mirror(VRAM_HMIRROR);
            else SetVRAM_Mirror(VRAM_VMIRROR);
        }



    }
}