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 Post subject: nmi_on_timing test info
PostPosted: Fri May 25, 2012 8:25 pm 
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Formerly Fx3
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Joined: Fri Nov 12, 2004 4:59 pm
Posts: 3064
Location: Brazil
Someone asked a long time ago. In order to get a PASSED in such test, looks like the NMI shouldn't be triggered 1 PPU clock before clearing the VBlank flag, or after 6819 cycles after being set. I could confirm (and rebuild my code) to verify such condition.

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