111 lines
2.3 KiB
C#
111 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace BizHawk.Emulation.Consoles.Nintendo
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{
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//iNES Mapper 92
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//Example Games:
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//Example Games:
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//--------------------------
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//Moero!! Pro Soccer
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//Moero!! Pro Yakyuu '88 - Ketteiban
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//Near Identical to Jaleco JF 17, except for a slight PRG setup
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class JALECO_JF_19 : NES.NESBoardBase
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{
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//configuration
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int prg_bank_mask_16k;
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int chr_bank_mask_8k;
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//state
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int latch;
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ByteBuffer prg_banks_16k = new ByteBuffer(2);
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ByteBuffer chr_banks_8k = new ByteBuffer(1);
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public override bool Configure(NES.EDetectionOrigin origin)
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{
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switch (Cart.board_type)
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{
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case "MAPPER092":
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break;
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case "JALECO-JF-19":
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break;
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default:
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return false;
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}
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prg_bank_mask_16k = (Cart.prg_size / 16) - 1;
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chr_bank_mask_8k = (Cart.chr_size / 8) - 1;
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SetMirrorType(Cart.pad_h, Cart.pad_v);
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prg_banks_16k[0] = 0;
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chr_banks_8k[0] = 0;
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SyncMap();
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return true;
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}
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void SyncMap()
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{
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ApplyMemoryMapMask(prg_bank_mask_16k, prg_banks_16k);
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ApplyMemoryMapMask(chr_bank_mask_8k, chr_banks_8k);
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}
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public override void Dispose()
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{
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prg_banks_16k.Dispose();
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base.Dispose();
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}
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public override void SyncState(Serializer ser)
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{
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base.SyncState(ser);
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ser.Sync("latch", ref latch);
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ser.Sync("prg_banks_16k", ref prg_banks_16k);
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ser.Sync("chr_banks_8k", ref chr_banks_8k);
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}
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public override void WritePRG(int addr, byte value)
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{
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//Console.WriteLine("MAP {0:X4} = {1:X2}", addr, value);
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value = HandleNormalPRGConflict(addr, value);
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int command = value >> 6;
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switch (command)
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{
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case 0:
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if (latch == 1)
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chr_banks_8k[0] = (byte)(value & 0xF);
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else if (latch == 2)
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prg_banks_16k[1] = (byte)(value & 0xF);
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SyncMap();
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break;
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default:
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latch = command;
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break;
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}
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}
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public override byte ReadPRG(int addr)
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{
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addr = ApplyMemoryMap(14, prg_banks_16k, addr);
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return ROM[addr];
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}
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public override byte ReadPPU(int addr)
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{
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if (addr < 0x2000)
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{
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addr = ApplyMemoryMap(13, chr_banks_8k, addr);
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return base.ReadPPUChr(addr);
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}
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else return base.ReadPPU(addr);
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}
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}
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}
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