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 ...