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BizHawk
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alyosha-tas 2016-10-23 20:48:51 -04:00 committed by GitHub
parent c9a48d9215
commit 62057f60cb
1 changed files with 19 additions and 12 deletions
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7
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/MMC3.cs
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@ -290,6 +290,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
public virtual void AddressPPU(int addr)
{
// see https://forums.nesdev.com/viewtopic.php?f=3&t=11361&start=60
// apparently mmc3 can't see internal pattern tables
// fixes Recca
if (addr<0x3F00)
{
int a12 = (addr >> 12) & 1;
bool rising_edge = (a12 == 1 && a12_old == 0);
@ -308,6 +313,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
a12_old = a12;
}
}
}
public abstract class MMC3Board_Base : NES.NESBoardBase