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NESHawk: Fix VRC IRQ timing

This commit is contained in:
alyosha-tas 2018-07-07 09:02:56 -04:00
parent 994e415a1b
commit 57c6149274
2 changed files with 14 additions and 4 deletions
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9
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/VRC2_4.cs
View File

@ -435,7 +435,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
//enabled
irq_enabled = true;
irq_counter = irq_reload;
irq_prescaler = 341;
irq_prescaler = 341 + 3;
}
else
{
@ -466,7 +466,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
irq_pending = true;
irq_counter = irq_reload;
SyncIRQ();
//SyncIRQ();
}
else
irq_counter++;
@ -474,6 +474,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
public override void ClockCPU()
{
if (irq_pending)
{
SyncIRQ();
}
if (type == 2) return;
if (!irq_enabled) return;

9
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/VRC7.cs
View File

@ -247,7 +247,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
//enabled
irq_enabled = true;
irq_counter = irq_reload;
irq_prescaler = 341;
irq_prescaler = 341 + 3;
}
else
{
@ -294,7 +294,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
irq_pending = true;
irq_counter = irq_reload;
SyncIRQ();
//SyncIRQ();
}
else
irq_counter++;
@ -302,6 +302,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
public override void ClockCPU()
{
if (irq_pending)
{
SyncIRQ();
}
if (!irq_enabled) return;
if (irq_mode)