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turbo c++ parallel port
I need help I'm trying to interface a 4x4 keypad with a parallel port using Turbo C++.
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| 1 | 2 | 3 | A |
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| 4 | 5 | 6 | B |
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| 7 | 8 | 9 | C |
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| 0 | F | E | D |
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I have D0-D3 (outport)connected to the...
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