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NESHawk - support UNIF_BMC-42in1ResetSwitch

This commit is contained in:
adelikat 2015-08-18 19:15:49 -04:00
parent e9394ceb88
commit ad601227bb
1 changed files with 10 additions and 2 deletions
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12
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper226.cs
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@ -48,17 +48,25 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
public int prg_page;
public bool prg_mode;
private int prg_mask_32k;
private int prg_mask_16k;
public override bool Configure(NES.EDetectionOrigin origin)
{
switch (Cart.board_type)
{
case "MAPPER226":
case "UNIF_BMC-42in1ResetSwitch":
break;
default:
return false;
}
prg_page = 0;
prg_mode = false;
prg_mask_32k = Cart.prg_size / 32 - 1;
prg_mask_16k = Cart.prg_size / 16 - 1;
return true;
}
@ -98,11 +106,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
if (prg_mode == false)
{
return ROM[((prg_page >> 1) * 0x8000) + addr];
return ROM[( ((prg_page >> 1) & prg_mask_32k) * 0x8000) + (addr & 0x07FFF)];
}
else
{
return ROM[(prg_page * 0x4000) + (addr & 0x03FFF)];
return ROM[((prg_page & prg_mask_16k) * 0x4000) + (addr & 0x03FFF)];
}
}
}