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BizHawk
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Support mapper 173 with a mapper 132 hack from FCEUX src, I guess. Best I can tell Mahjong Block runs just fine on mapper 132 without it, oh well.

This commit is contained in:
adelikat 2016-09-11 11:16:49 -04:00
parent a99598b3cf
commit 25c12ed380
1 changed files with 8 additions and 1 deletions
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9
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper132.cs
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@ -10,6 +10,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
int prg_mask, chr_mask;
//state
int prg, chr;
bool is173;
public override bool Configure(NES.EDetectionOrigin origin)
{
switch (Cart.board_type)
@ -17,6 +20,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
case "MAPPER132":
case "UNIF_UNL-22211":
break;
case "MAPPER173":
is173 = true;
break;
default:
return false;
}
@ -51,7 +57,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
public override byte ReadEXP(int addr)
{
if ((addr & 0x100) != 0)
return (byte)((NES.DB & 0xf0) | reg);
return (byte)((NES.DB & (is173 ? 0x01 : 0xf0)) | reg);
else if ((addr & 0x1000) == 0)
return NES.DB;
else
@ -77,6 +83,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
base.SyncState(ser);
ser.Sync("chr", ref chr);
ser.Sync("prg", ref prg);
ser.Sync("is173", ref is173);
}
}