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GBHawk: bug fix

This commit is contained in:
alyosha-tas 2018-10-13 19:21:57 -05:00
parent 595c88960d
commit 4dd55ad0ff
2 changed files with 4 additions and 3 deletions
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5
BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GBC_PPU.cs
View File

@ -111,8 +111,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
LCDC = value;
break;
case 0xFF41: // STAT
// writing to STAT during mode 0 or 2 causes a STAT IRQ
if (LCDC.Bit(7))
// note that their is no stat interrupt bug in GBC
// writing to STAT during mode 0 or 1 causes a STAT IRQ
if (LCDC.Bit(7) && !Core.GBC_compat)
{
if (((STAT & 3) == 0) || ((STAT & 3) == 1))
{

2
BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/GB_PPU.cs
View File

@ -52,7 +52,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
LCDC = value;
break;
case 0xFF41: // STAT
// writing to STAT during mode 0 or 2 causes a STAT IRQ
// writing to STAT during mode 0 or 1 causes a STAT IRQ
if (LCDC.Bit(7))
{
if (((STAT & 3) == 0) || ((STAT & 3) == 1))