////////////////////////////////////////////////////////////////////////// // 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); } } }