69 lines
1.2 KiB
C#
69 lines
1.2 KiB
C#
using BizHawk.Common;
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namespace BizHawk.Emulation.Cores.Nintendo.NES
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{
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// Bonza (R)
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// Bonza is some kind of gambling game requiring an outside interface of some kind
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// this is not implemented
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// Magic Jewelry 2 (Unl)
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public class Bonza : NES.NESBoardBase
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{
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private int _chrReg;
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private int _prgReg;
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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 "MAPPER216":
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break;
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default:
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return false;
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}
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return true;
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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("chrReg", ref _chrReg);
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ser.Sync("prgReg", ref _prgReg);
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}
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public override void WritePRG(int addr, byte value)
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{
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_prgReg = addr & 1;
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_chrReg = (addr >> 1) & 7;
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}
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public override byte ReadEXP(int addr)
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{
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if (addr == 0x1000)
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{
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return 0;
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}
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return base.ReadEXP(addr);
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}
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public override byte ReadPRG(int addr)
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{
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return ROM[(_prgReg * 0x8000) + (addr & 0x7FFF)];
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}
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public override byte ReadPPU(int addr)
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{
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// Magic Jewelry has no VROM and does not write chr regs
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if (addr < 0x2000 && VROM != null)
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{
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return VROM[(_chrReg * 0x2000) + (addr & 0x1FFF)];
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}
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return base.ReadPPU(addr);
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}
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}
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}
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