56 lines
1.1 KiB
C#
56 lines
1.1 KiB
C#
namespace BizHawk.Emulation.Cores.Nintendo.NES
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{
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public sealed class NROM368 : NES.NESBoardBase
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{
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// not even one actual prototype of this pile of shit exists, and
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// there are already two incompatible implementations. pathetic.
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bool small;
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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 "UNIF_NROM-368": // ??
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break;
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case "MAPPER000":
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if (Cart.prg_size == 48 || Cart.prg_size == 64)
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break;
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else
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return false;
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default:
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return false;
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}
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AssertPrg(48, 64);
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small = Cart.prg_size == 48;
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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 (small)
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return ROM[addr + 0x4000];
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else
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return ROM[addr];
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}
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public override byte ReadWRAM(int addr)
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{
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if (small)
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return ROM[addr + 0x2000];
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else
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return ROM[addr + 0xa000];
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}
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public override byte ReadEXP(int addr)
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{
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if (addr < 0x800)
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return NES.DB;
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if (small)
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return ROM[addr];
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else
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return ROM[addr + 0x8000];
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}
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}
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}
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