61 lines
1.3 KiB
C#
61 lines
1.3 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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using BizHawk.Common;
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namespace BizHawk.Emulation.Cores.Nintendo.NES
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{
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public class INLNSF : NES.NESBoardBase
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{
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// config
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int prg_bank_mask_4k;
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// state
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int[] prg = new int[8];
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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("prg", ref prg, true);
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}
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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 "MAPPER031":
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AssertChr(0, 8);
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if(Cart.chr_size == 0)
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Cart.vram_size = 8;
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break;
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case "MAPPER0031-00":
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AssertVram(8);
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break;
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default:
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return false;
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}
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SetMirrorType(CalculateMirrorType(Cart.pad_h, Cart.pad_v));
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AssertPrg(16, 32, 64, 128, 256, 512, 1024);
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Cart.wram_size = 0;
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prg_bank_mask_4k = Cart.prg_size / 4 - 1;
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prg[7] = prg_bank_mask_4k;
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return true;
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}
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public override void WriteEXP(int addr, byte value)
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{
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if (addr >= 0x1000)
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prg[addr & 0x07] = value & prg_bank_mask_4k;
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else
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base.WriteEXP(addr, value);
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}
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public override byte ReadPRG(int addr)
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{
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return ROM[prg[(addr & 0x7000) >> 12] << 12 | addr & 0x0fff];
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}
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}
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}
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