////////////////////////////////////////////////////////////////////////// // Mapper078 Jaleco(Cosmo Carrier) // ////////////////////////////////////////////////////////////////////////// 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 Mapper078 : Mapper { public Mapper078(NES parent) : base(parent) { } public override void Reset() { SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1); if (VROM_8K_SIZE != 0) { SetVROM_8K_Bank(0); } } //void Mapper078::Write(WORD addr, BYTE data) public override void Write(ushort addr, byte data) { //DEBUGOUT( "MAP78 WR $%04X=$%02X L=%d\n", addr, data, nes->GetScanline() ); SetPROM_16K_Bank(4, data & 0x0F); SetVROM_8K_Bank((data & 0xF0) >> 4); if ((addr & 0xFE00) != 0xFE00) { if ((data & 0x08) != 0) SetVRAM_Mirror(VRAM_MIRROR4H); else SetVRAM_Mirror(VRAM_MIRROR4L); } } } }