////////////////////////////////////////////////////////////////////////// // Mapper201 21-in-1 // ////////////////////////////////////////////////////////////////////////// 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 Mapper201 : Mapper { public Mapper201(NES parent) : base(parent) { } public override void Reset() { // SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 ); SetPROM_16K_Bank(4, 0); SetPROM_16K_Bank(6, 0); if (VROM_1K_SIZE != 0) { SetVROM_8K_Bank(0); } } //void Mapper201::Write(WORD addr, BYTE data) public override void Write(ushort addr, byte data) { BYTE bank = (byte)((BYTE)addr & 0x03); if (!((addr & 0x08) != 0)) bank = 0; SetPROM_32K_Bank(bank); SetVROM_8K_Bank(bank); } } }