////////////////////////////////////////////////////////////////////////// // Mapper133 SACHEN CHEN // ////////////////////////////////////////////////////////////////////////// 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 Mapper133 : Mapper { public Mapper133(NES parent) : base(parent) { } public override void Reset() { SetPROM_32K_Bank(0); SetVROM_8K_Bank(0); } //void Mapper133::WriteLow(WORD addr, BYTE data) public override void WriteLow(ushort addr, byte data) { if (addr == 0x4120) { SetPROM_32K_Bank((data & 0x04) >> 2); SetVROM_8K_Bank(data & 0x03); } CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] = data; } } }