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BizHawk
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i implemented dwedit's DMC fix as best as i could understand it. 'Fire Hawk (USA) (Unl).nes' no longer has graphical glitches on the intro screen. 

audio still sounds wrong, and crash still occurs once you get in game
This commit is contained in:
goyuken 2012-09-24 14:48:00 +00:00
parent f53aa56f1c
commit c94d5aa9b8
1 changed files with 6 additions and 1 deletions
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7
BizHawk.Emulation/Consoles/Nintendo/NES/APU.cs
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@ -659,6 +659,11 @@ namespace BizHawk.Emulation.Consoles.Nintendo
sample_address = user_address;
sample_length = user_length;
out_deltacounter = 64;
if (out_silence) // if the DMC buffer was empty...
{
timer = 0; // reset frequency counter so next Run() will cause output
out_bits_remaining = 0; // reset buffercount so next Run() will cause fetch
}
}
}
//irq is acknowledged or sure to be clear, in either case
@ -730,7 +735,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
ser.Sync("sequence_reset_pending", ref sequence_reset_pending);
ser.Sync("sequencer_irq_clear_pending", ref sequencer_irq_clear_pending);
ser.Sync("sequencer_irq_assert", ref sequencer_irq_assert);
pulse[0].SyncState(ser);
pulse[1].SyncState(ser);
triangle.SyncState(ser);