85 lines
1.6 KiB
C#
85 lines
1.6 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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//Mapper 86
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//Example Games:
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//--------------------------
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//Moero!! Pro Yakyuu (Black)
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//Moero!! Pro Yakyuu (Red)
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class JALECO_JF_13 : NES.NESBoardBase
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{
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//configuration
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int prg_bank_mask_32k;
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int chr_bank_mask_8k;
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//state
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int chr;
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int prg;
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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 "MAPPER086":
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break;
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case "JALECO-JF-13":
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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_32k = Cart.prg_size / 32 - 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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return true;
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}
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public override byte ReadPRG(int addr)
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{
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if (addr < 0x8000)
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return ROM[addr + (prg * 0x8000)];
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else
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return base.ReadPRG(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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return VROM[(addr & 0x1FFF) + (chr * 0x2000)];
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else
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return base.ReadPPU(addr);
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}
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public override void WriteWRAM(int addr, byte value)
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{
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switch (addr & 0x1000)
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{
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case 0x0000:
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prg = (value >> 4) & 3;
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prg &= prg_bank_mask_32k;
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chr = (value & 3) + ((value >> 4) & 0x04);
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chr &= chr_bank_mask_8k;
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break;
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case 0x1000:
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//sound regs
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break;
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}
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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("chr", ref chr);
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ser.Sync("prg", ref prg);
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}
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}
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}
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