Questions tagged [interrupt]
For questions regarding processor interrupt signals on retrocomputing hardware
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Zenith Data Systems laptop with Timer Interrupt Error
I have an old Zenith “laptop” that runs on an 80c88 processor, and apparently was manufactured around 1985. It’s quite a beast of a laptop - size and weight, rather than computing power!.
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How did commercial GBA games sample the button state?
For the GBA, I am under the impression that there are two ways to detect a button event:
Enable IRQs and set up a handler for the button event
Check a button's state during the vblank period
Which ...