NMI can trigger immediately during V-Blank, causing V-Blank lag, which in turn can mess up HDMI

KungFuFurby / AddMusicKFF

Fork of AddMusicK, a compiler/inserter of music for Super Mario World

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NMI can trigger immediately during V-Blank, causing V-Blank lag, which in turn can mess up HDMI #426

Closed KungFuFurby closed 3 months ago

KungFuFurby commented 5 months ago

Reported by Yoshifanatic. When NMI is enabled after uploading a song, it could happen in V-Blank, causing NMI to immediately trigger. This results in lag in V-Blank if triggered late enough, which in turn can mess around with HDMI.