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Keyboard polling test idea #6
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I've been remaking my emulator's keyboard handler and studying schematics and thinking about this code again and wondering how it could reasonably work on real hardware. So I tested it and it's just a bad on the real thing. Often it just not does respond to key presses, as you might expect from looking at it. I don't know what Mr. Xerox was thinking with this code which appears twice in his crack. My new keyboard emulation is much more accurate despite only running once per frame. If I invoked it at an interval of some multiple of 11 cycles, the length of the loop, I might get in trouble but I don't see any reason why this should be a test. |
The Mr. Xerox crack of Dung Beetles has an irritating keyboard wait routine at the graphical title screen.
Because the keyboard strobe is constantly being cleared, there is scarcely any time to poll the keyboard. This caused me some headaches because I was only polling the keyboard once per frame.
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