////////////////////////////////////////////////////////////////////////// // Mapper077 Irem Early Mapper #0 // ////////////////////////////////////////////////////////////////////////// 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 Mapper077 : Mapper { public Mapper077(NES parent) : base(parent) { } public override void Reset() { SetPROM_32K_Bank(0); SetVROM_2K_Bank(0, 0); SetCRAM_2K_Bank(2, 1); SetCRAM_2K_Bank(4, 2); SetCRAM_2K_Bank(6, 3); } //void Mapper077::Write(WORD addr, BYTE data) public override void Write(ushort addr, byte data) { SetPROM_32K_Bank(data & 0x07); SetVROM_2K_Bank(0, (data & 0xF0) >> 4); } } }