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BizHawk
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Mapper 82 complete

This commit is contained in:
adelikat 2012-03-05 20:16:25 +00:00
parent 868bcc8502
commit ff86bc5101
2 changed files with 84 additions and 17 deletions
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21
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Taito_X1_005.cs
View File

@ -8,7 +8,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
//Minelvaton Saga //Minelvaton Saga
//Taito Grand Prix - Eikou heno License //Taito Grand Prix - Eikou heno License
//Kyuukyoku Harikiri Stadium
/* /*
* Registers: * Registers:
@ -152,4 +152,21 @@ PRG Setup:
else return base.ReadPPU(addr); else return base.ReadPPU(addr);
} }
} }
} }
/*
CHR Setup:
---------------------------
$0000 $0400 $0800 $0C00 $1000 $1400 $1800 $1C00
+---------------+---------------+-------+-------+-------+-------+
CHR Mode 0: | <$7EF0> | <$7EF1> | $7EF2 | $7EF3 | $7EF4 | $7EF5 |
+---------------+---------------+---------------+---------------+
CHR Mode 1: | $7EF2 | $7EF3 | $7EF4 | $7EF5 | <$7EF0> | <$7EF1> |
+-------+-------+-------+-------+---------------+---------------+
*/

80
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Taito_X1_017.cs
View File

@ -14,7 +14,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
* Example Games: * Example Games:
-------------------------- --------------------------
SD Keiji - Blader SD Keiji - Blader
Kyuukyoku Harikiri Stadium
Notes: Notes:
@ -92,7 +92,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
} }
SetMirrorType(EMirrorType.Vertical); SetMirrorType(EMirrorType.Vertical);
chr_bank_mask = Cart.chr_size / 2 - 1; chr_bank_mask = Cart.chr_size / 1 - 1;
prg_bank_mask = Cart.prg_size / 8 - 1; prg_bank_mask = Cart.prg_size / 8 - 1;
prg_regs_8k[3] = 0xFF; prg_regs_8k[3] = 0xFF;
return true; return true;
@ -103,23 +103,69 @@ namespace BizHawk.Emulation.Consoles.Nintendo
switch (addr) switch (addr)
{ {
case 0x1EF0: case 0x1EF0:
chr_regs_1k[0] = value; if (ChrMode)
{
chr_regs_1k[4] = (byte)(value / 2 * 2);
chr_regs_1k[5] = (byte)(value / 2 * 2 + 1);
}
else
{
chr_regs_1k[0] = (byte)(value / 2 * 2);
chr_regs_1k[1] = (byte)(value / 2 * 2 + 1);
}
break; break;
case 0x1EF1: case 0x1EF1:
chr_regs_1k[1] = value; if (ChrMode)
{
chr_regs_1k[6] = (byte)(value / 2 * 2);
chr_regs_1k[7] = (byte)(value / 2 * 2 + 1);
}
else
{
chr_regs_1k[2] = (byte)(value / 2 * 2);
chr_regs_1k[3] = (byte)(value / 2 * 2 + 1);
}
break; break;
case 0x1EF2: case 0x1EF2:
chr_regs_1k[2] = value; if (ChrMode)
{
chr_regs_1k[0] = value;
}
else
{
chr_regs_1k[4] = value;
}
break; break;
case 0x1EF3: case 0x1EF3:
chr_regs_1k[3] = value; if (ChrMode)
{
chr_regs_1k[1] = value;
}
else
{
chr_regs_1k[5] = value;
}
break; break;
case 0x1EF4: case 0x1EF4:
chr_regs_1k[4] = value; if (ChrMode)
{
chr_regs_1k[2] = value;
}
else
{
chr_regs_1k[6] = value;
}
break; break;
case 0X1EF5: case 0X1EF5:
chr_regs_1k[5] = value; if (ChrMode)
{
chr_regs_1k[3] = value;
}
else
{
chr_regs_1k[7] = value;
}
break; break;
case 0x1EF6: case 0x1EF6:
@ -137,7 +183,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
prg_regs_8k[1] = (byte)(value >> 2); prg_regs_8k[1] = (byte)(value >> 2);
break; break;
case 0x1EFC: case 0x1EFC:
prg_regs_8k[1] = (byte)(value >> 2); prg_regs_8k[2] = (byte)(value >> 2);
break; break;
} }
} }
@ -154,12 +200,16 @@ namespace BizHawk.Emulation.Consoles.Nintendo
public override byte ReadPPU(int addr) public override byte ReadPPU(int addr)
{ {
int bank_2k = addr >> 11; if (addr < 0x2000)
int ofs = addr & ((1 << 11) - 1); {
bank_2k = chr_regs_1k[bank_2k]; int bank_1k = addr >> 10;
bank_2k &= chr_bank_mask; int ofs = addr & ((1 << 10) - 1);
addr = (bank_2k << 11) | ofs; bank_1k = chr_regs_1k[bank_1k];
return VROM[addr]; bank_1k &= chr_bank_mask;
addr = (bank_1k << 10) | ofs;
return VROM[addr];
}
else return base.ReadPPU(addr);
} }
} }
} }