diff --git a/BizHawk.Emulation/BizHawk.Emulation.csproj b/BizHawk.Emulation/BizHawk.Emulation.csproj index 655dfd0770..3a8867bf19 100644 --- a/BizHawk.Emulation/BizHawk.Emulation.csproj +++ b/BizHawk.Emulation/BizHawk.Emulation.csproj @@ -97,6 +97,7 @@ Code + Code diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Taito_TC0190FMC.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Taito_TC0190FMC.cs new file mode 100644 index 0000000000..a62a8eea3b --- /dev/null +++ b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Taito_TC0190FMC.cs @@ -0,0 +1,132 @@ +using System; +using System.IO; +using System.Diagnostics; + +namespace BizHawk.Emulation.Consoles.Nintendo +{ + //AKA mapper 033 + + //Akira + //Bakushou!! Jinsei Gekijou + //Don Doko Don + //Insector X + + + class TAITO_TC0190FMC : NES.NESBoardBase + { + //configuration + int prg_bank_mask, chr_bank_mask; + + //state + ByteBuffer prg_regs_8k = new ByteBuffer(4); + ByteBuffer chr_regs_1k = new ByteBuffer(8); + int mirror_mode; + + public override void Dispose() + { + prg_regs_8k.Dispose(); + chr_regs_1k.Dispose(); + } + + public override bool Configure(NES.EDetectionOrigin origin) + { + //configure + switch (Cart.board_type) + { + case "TAITO-TC0190FMC": + case "TAITO-TC0350FMR": + AssertPrg(128); AssertChr(128,256); AssertWram(0); AssertVram(0); + break; + default: + return false; + } + + prg_bank_mask = Cart.prg_size / 8 - 1; + chr_bank_mask = Cart.chr_size - 1; + + prg_regs_8k[0] = 0x00; + prg_regs_8k[1] = 0x00; + prg_regs_8k[2] = 0xFE; //constant + prg_regs_8k[3] = 0xFF; //constant + + SyncMirror(); + + return true; + } + + void SyncMirror() + { + if (mirror_mode == 0) + SetMirrorType(EMirrorType.Vertical); + else SetMirrorType(EMirrorType.Horizontal); + } + + public override void WritePRG(int addr, byte value) + { + addr &= 0xA003; + switch (addr) + { + //$8000 [.MPP PPPP] + //M = Mirroring (0=Vert, 1=Horz) + //P = PRG Reg 0 (8k @ $8000) + case 0x0000: + prg_regs_8k[0] = (byte)(value & 0x3F); + mirror_mode = (value >> 6) & 1; + SyncMirror(); + break; + + case 0x0001: //$8001 [..PP PPPP] PRG Reg 1 (8k @ $A000) + prg_regs_8k[1] = (byte)(value & 0x3F); + break; + + case 0x0002: //$8002 [CCCC CCCC] CHR Reg 0 (2k @ $0000) + chr_regs_1k[0] = (byte)(value * 2); + chr_regs_1k[1] = (byte)(value * 2 + 1); + break; + + case 0x0003: //$8003 [CCCC CCCC] CHR Reg 1 (2k @ $0800) + chr_regs_1k[2] = (byte)(value * 2); + chr_regs_1k[3] = (byte)(value * 2 + 1); + break; + + case 0x2000: //$A000 [CCCC CCCC] CHR Reg 2 (1k @ $1000) + chr_regs_1k[4] = value; + break; + case 0x2001: //$A001 [CCCC CCCC] CHR Reg 3 (1k @ $1400) + chr_regs_1k[5] = value; + break; + case 0x2002: //$A002 [CCCC CCCC] CHR Reg 4 (1k @ $1800) + chr_regs_1k[6] = value; + break; + case 0x2003: //$A003 [CCCC CCCC] CHR Reg 5 (1k @ $1C00) + chr_regs_1k[7] = value; + break; + } + } + + public override byte ReadPPU(int addr) + { + if (addr < 0x2000) + { + int bank_1k = addr >> 10; + int ofs = addr & ((1 << 10) - 1); + bank_1k = chr_regs_1k[bank_1k]; + bank_1k &= chr_bank_mask; + addr = (bank_1k << 10) | ofs; + return VROM[addr]; + } + else + return base.ReadPPU(addr); + } + + public override byte ReadPRG(int addr) + { + int bank_8k = addr >> 13; + int ofs = addr & ((1 << 13) - 1); + bank_8k = prg_regs_8k[bank_8k]; + bank_8k &= prg_bank_mask; + addr = (bank_8k << 13) | ofs; + return ROM[addr]; + } + } +} \ No newline at end of file diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs index f7d976f982..0e74212c25 100644 --- a/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs +++ b/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs @@ -409,7 +409,8 @@ namespace BizHawk.Emulation.Consoles.Nintendo } else { - Console.WriteLine("Chose board from nescartdb: " + choice.board_type); + Console.WriteLine("Chose board from nescartdb:"); + Console.WriteLine(choice); origin = EDetectionOrigin.BootGodDB; }