Implement Mapper 207, Fudou Myouou Den now playable but graphical issues.
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adelikat
parent
e8d8eacb06
commit
2d89f5485f
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@ -156,6 +156,7 @@
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper178.cs" />
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper180.cs" />
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper193.cs" />
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper207.cs" />
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper227.cs" />
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper240.cs" />
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<Compile Include="Consoles\Nintendo\NES\Boards\Mapper241.cs" />
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@ -112,7 +112,7 @@ Open bus and bus conflict emulation is not considered complete or thorough in an
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203 Multicart Junk
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205 Multicart Junk
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*206 Namcot109 Complete (missing from disch docs)
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207 Misc (J) Nothing
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207 Misc (J) Started but bugs
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209 Garbage {{See 090}}
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210 Namcot Decent {{See 019}}
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225 Multicart Junk
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@ -0,0 +1,206 @@
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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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/*
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* Here are Disch's original notes:
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========================
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= Mapper 207 =
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========================
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Example Game:
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--------------------------
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Fudou Myouou Den
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Notes:
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---------------------------
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Regs appear at $7EFx, I'm unsure whether or not PRG-RAM can exist at $6000-7FFF
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Registers:
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---------------------------
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$7EF0: [MCCC CCCC]
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M = Mirroring 0
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C = CHR Reg 0
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$7EF1: [MCCC CCCC]
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M = Mirroring 1
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C = CHR Reg 1
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$7EF2-7EF5: CHR Regs 2-5
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$7EFA,7EFB: PRG Reg 0 (8k @ $8000)
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$7EFC,7EFD: PRG Reg 1 (8k @ $A000)
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$7EFE,7EFF: PRG Reg 2 (8k @ $C000)
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CHR Setup:
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---------------------------
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$0000 $0400 $0800 $0C00 $1000 $1400 $1800 $1C00
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+---------------+---------------+-------+-------+-------+-------+
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| <$7EF0> | <$7EF1> | $7EF2 | $7EF3 | $7EF4 | $7EF5 |
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+---------------+---------------+-------+-------+-------+-------+
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PRG Setup:
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---------------------------
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$8000 $A000 $C000 $E000
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+-------+-------+-------+-------+
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| $7EFA | $7EFC | $7EFE | { -1} |
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+-------+-------+-------+-------+
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Mirroring:
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---------------------------
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[ $7EF0 ][ $7EF0 ]
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[ $7EF1 ][ $7EF1 ]
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Mirroring bit of appropriate reg selects NTA or NTB
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*/
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class Mapper207 : NES.NESBoardBase
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{
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int prg_bank_mask, chr_bank_mask;
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ByteBuffer chr_regs_1k = new ByteBuffer(8);
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ByteBuffer prg_regs_8k = new ByteBuffer(4);
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bool mirror0 = false;
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bool mirror1 = false;
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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_regs_1k", ref chr_regs_1k);
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ser.Sync("prg_regs_8k", ref prg_regs_8k);
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ser.Sync("mirror0", ref mirror0);
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ser.Sync("mirror1", ref mirror1);
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DoMirroring();
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}
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public override void Dispose()
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{
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base.Dispose();
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chr_regs_1k.Dispose();
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prg_regs_8k.Dispose();
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}
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public override bool Configure(NES.EDetectionOrigin origin)
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{
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//configure
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switch (Cart.board_type)
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{
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case "MAPPER207":
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break;
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case "TAITO-X1-005":
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if (Cart.mapper == 207)
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{
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break;
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}
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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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SetMirrorType(EMirrorType.Horizontal);
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chr_bank_mask = Cart.chr_size / 1 - 1;
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prg_bank_mask = Cart.prg_size / 8 - 1;
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prg_regs_8k[3] = 0xFF;
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return true;
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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)
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{
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case 0x1EF0:
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mirror0 = value.Bit(7);
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int val1 = value & 0x7F;
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chr_regs_1k[0] = (byte)(val1/2*2);
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chr_regs_1k[1] = (byte)(val1/2*2+1);
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break;
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case 0x1EF1:
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mirror1 = value.Bit(7);
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int val2 = value & 0x7F;
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chr_regs_1k[2] = (byte)(val2/2*2);
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chr_regs_1k[3] = (byte)(val2/2*2+1);
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break;
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case 0x1EF2:
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chr_regs_1k[4] = value;
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break;
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case 0x1EF3:
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chr_regs_1k[5] = value;
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break;
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case 0x1EF4:
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chr_regs_1k[6] = value;
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break;
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case 0X1EF5:
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chr_regs_1k[7] = value;
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break;
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case 0x1EFA: //PRG Reg 0
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case 0x1EFB:
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prg_regs_8k[0] = value;
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break;
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case 0x1EFC: //PRG Reg 1
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case 0x1EFD:
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prg_regs_8k[1] = value;
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break;
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case 0x1EFE: //PRG Reg 2
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case 0x1EFF:
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prg_regs_8k[2] = value;
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break;
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}
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DoMirroring();
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}
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private void DoMirroring()
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{
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if (mirror0 == false && mirror1 == false)
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{
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SetMirrorType(EMirrorType.Horizontal);
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}
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else if (mirror0 == true && mirror1 == false)
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{
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SetMirrorType(EMirrorType.Vertical);
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}
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else if (mirror0 == false && mirror1 == true)
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{
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SetMirrorType(EMirrorType.OneScreenA);
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}
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else
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{
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SetMirrorType(EMirrorType.OneScreenB);
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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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int bank_8k = addr >> 13;
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int ofs = addr & ((1 << 13) - 1);
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bank_8k = prg_regs_8k[bank_8k];
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bank_8k &= prg_bank_mask;
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addr = (bank_8k << 13) | ofs;
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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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int bank_1k = addr >> 10;
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int ofs = addr & ((1 << 10) - 1);
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bank_1k = chr_regs_1k[bank_1k];
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bank_1k &= chr_bank_mask;
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addr = (bank_1k << 10) | ofs;
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return VROM[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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@ -70,6 +70,10 @@ namespace BizHawk.Emulation.Consoles.Nintendo
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case "MAPPER080":
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break;
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case "TAITO-X1-005":
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if (Cart.mapper == 207)
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{
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return false;
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}
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break;
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default:
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return false;
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