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Fix Tagin Dragon

This commit is contained in:
alyosha-tas 2017-05-26 18:24:21 -04:00 committed by GitHub
parent 18ef587c11
commit a3a78c6a2e
1 changed files with 25 additions and 1 deletions
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26
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/BxROM.cs
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@ -7,14 +7,17 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
//configuration
int prg_bank_mask_32k;
int chr_bank_mask_8k;
//state
int prg_bank_32k;
int chr_bank_8k;
public override void SyncState(Serializer ser)
{
base.SyncState(ser);
ser.Sync("prg_bank_32k", ref prg_bank_32k);
ser.Sync("chr_bank_8k", ref chr_bank_8k);
}
public override bool Configure(NES.EDetectionOrigin origin)
@ -24,7 +27,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
case "AVE-NINA-07": // wally bear and the gang
// it's not the NINA_001 but something entirely different; actually a colordreams with VRAM
// this actually works
AssertPrg(128); AssertChr(0); AssertWram(0); AssertVram(8);
AssertPrg(32,128); AssertChr(0,16); AssertWram(0); AssertVram(0,8);
break;
case "IREM-BNROM": //Mashou (J).nes
@ -37,6 +40,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
}
prg_bank_mask_32k = Cart.prg_size / 32 - 1;
chr_bank_mask_8k = Cart.chr_size / 8 - 1;
SetMirrorType(Cart.pad_h, Cart.pad_v);
@ -53,6 +57,26 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
value = HandleNormalPRGConflict(addr, value);
prg_bank_32k = value & prg_bank_mask_32k;
chr_bank_8k = ((value >> 4) & 0xF) & chr_bank_mask_8k;
}
public override byte ReadPPU(int addr)
{
if (addr<0x2000)
{
if (VRAM != null)
{
return VRAM[addr | (chr_bank_8k << 13)];
}
else
{
return VROM[addr | (chr_bank_8k << 13)];
}
}
else
{
return base.ReadPPU(addr);
}
}
}