Yes, the Apple II MouseCard IRQ is synced to the VBL
(colino.net)
A little technical post to document something that was apparently not obvious to everybody. I recently questioned myself and others in the Apple II dev community about the Apple II MouseCard, its interrupts, and their synchronisation with the Apple II vertical blanking.
A little technical post to document something that was apparently not obvious to everybody. I recently questioned myself and others in the Apple II dev community about the Apple II MouseCard, its interrupts, and their synchronisation with the Apple II vertical blanking.