////////////////////////////////////////////////////////////////////////// // Mapper222 // ////////////////////////////////////////////////////////////////////////// using static VirtualNes.MMU; using static VirtualNes.Core.CPU; using INT = System.Int32; using BYTE = System.Byte; using System; //using Codice.CM.Client.Differences; namespace VirtualNes.Core { public class Mapper222 : Mapper { public Mapper222(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); } SetVRAM_Mirror(VRAM_VMIRROR); } //void Mapper222::Write(WORD addr, BYTE data) public override void Write(ushort addr, byte data) { switch (addr & 0xF003) { case 0x8000: SetPROM_8K_Bank(4, data); break; case 0xA000: SetPROM_8K_Bank(5, data); break; case 0xB000: SetVROM_1K_Bank(0, data); break; case 0xB002: SetVROM_1K_Bank(1, data); break; case 0xC000: SetVROM_1K_Bank(2, data); break; case 0xC002: SetVROM_1K_Bank(3, data); break; case 0xD000: SetVROM_1K_Bank(4, data); break; case 0xD002: SetVROM_1K_Bank(5, data); break; case 0xE000: SetVROM_1K_Bank(6, data); break; case 0xE002: SetVROM_1K_Bank(7, data); break; } } } }