NES - Progress on Mapper 193
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adelikat
parent
9a86b483d7
commit
7a9d037fed
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@ -7,7 +7,54 @@ namespace BizHawk.Emulation.Consoles.Nintendo
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{
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class Mapper193 : NES.NESBoardBase
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{
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int prg, chr0, chr1, chr2;
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/*
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* ========================
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= Mapper 193 =
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========================
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Example Game:
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--------------------------
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Fighting Hero (Unl)
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Registers:
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---------------------------
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Regs at $6000-7FFF = no SRAM
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Range,Mask: $6000-7FFF, $6003
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$6000: CHR Reg 0
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$6001: CHR Reg 1
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$6002: CHR Reg 2
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$6003: PRG Reg
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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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| <<$6000>> | <$6001> | <$6002> |
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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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| $6003 | { -3} | { -2} | { -1} |
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+-------+-------+-------+-------+
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*/
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int prg_bank_mask_8k;
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ByteBuffer prg_banks_8k = new ByteBuffer(4);
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int chr_bank_mask_2k;
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ByteBuffer chr_banks_2k = new ByteBuffer(4);
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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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@ -17,60 +64,77 @@ namespace BizHawk.Emulation.Consoles.Nintendo
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default:
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return false;
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}
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prg_bank_mask_8k = (Cart.prg_size / 8) - 1;
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prg_banks_8k[1] = 0xFD;
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prg_banks_8k[2] = 0xFE;
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prg_banks_8k[3] = 0xFF;
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chr_bank_mask_2k = (Cart.chr_size / 2) - 1;
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SetMirrorType(EMirrorType.Vertical);
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SyncMap();
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return true;
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}
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void SyncMap()
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{
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ApplyMemoryMapMask(prg_bank_mask_8k, prg_banks_8k);
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ApplyMemoryMapMask(chr_bank_mask_2k, chr_banks_2k);
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}
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public override void Dispose()
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{
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prg_banks_8k.Dispose();
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chr_banks_2k.Dispose();
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base.Dispose();
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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("prg", ref prg);
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ser.Sync("chr0", ref chr0);
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ser.Sync("chr1", ref chr1);
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ser.Sync("chr2", ref chr2);
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ser.Sync("prg_banks_8k", ref prg_banks_8k);
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ser.Sync("chr_banks_2k", ref chr_banks_2k);
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}
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public override void WritePPU(int addr, byte value)
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{
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addr &= 0x6003;
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switch (addr)
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{
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case 0x6000:
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chr0 = value;
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case 0:
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chr_banks_2k[0] = (byte)(value/2*2);
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chr_banks_2k[1] = (byte)(value/2*2+1);
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break;
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case 0x6001:
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chr1 = value;
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case 1:
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chr_banks_2k[2] = value;
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break;
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case 0x6002:
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chr2 = value;
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case 2:
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chr_banks_2k[3] = value;
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break;
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case 0x6003:
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prg = value;
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case 3:
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prg_banks_8k[0] = value;
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break;
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}
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}
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public override byte ReadPPU(int addr)
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{
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if (addr < 0x1000)
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return VRAM[addr + (chr0 * 0x1000)];
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else if (addr < 0x1800)
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return VRAM[addr + (chr1 * 0x0800)];
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else if (addr < 0x2000)
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return VRAM[addr + (chr2 * 0x0800)];
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if (addr < 0x2000)
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{
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addr = ApplyMemoryMap(11, chr_banks_2k, addr);
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return base.ReadPPUChr(addr);
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}
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else
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{
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return base.ReadPPU(addr);
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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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if (addr < 0xA000)
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return ROM[addr + (prg * 0x2000)];
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else if (addr < 0xC000)
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return 0xFD;
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else if (addr < 0xE000)
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return 0xFE;
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else
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return 0xFF;
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addr = ApplyMemoryMap(13, prg_banks_8k, addr);
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return ROM[addr];
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}
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}
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}
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@ -10,37 +10,37 @@ namespace BizHawk.Emulation.Consoles.Nintendo
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//Taito Grand Prix - Eikou heno License
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//Kyuukyoku Harikiri Stadium
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/*
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* Registers:
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---------------------------
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/*
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* Registers:
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---------------------------
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$7EF0-7EF5: CHR Regs
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$7EF0-7EF5: CHR Regs
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$7EF6: [.... ...M] Mirroring
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0 = Horz
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1 = Vert
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$7EF6: [.... ...M] Mirroring
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0 = Horz
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1 = Vert
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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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$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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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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$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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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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*/
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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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*/
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class TAITO_X1_005 : NES.NESBoardBase
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{
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