Subject: [stella] Keyboard controllers From: jvmatthe@xxxxxxxxxxxx Date: Thu, 24 Oct 1996 23:25:31 -0400 (EDT) |
Does anyone have a simple program that uses that keyboard controllers that I could look at? I am trying to figure out how to read them. Here's what I have been doing so far: (roughly, and I don't know that this is right) Set Port A to output Put a #$10 in SwchA (checks row 1) Wait a while (400 usec) Get values of Inpt0, Input1, Input4 Draw Screen Repeat with #$20, #$40, and #$80 to check rows 2, 3, 4 respectively. If this isn't right, let me know. If you have some easy to understand code, let me know. Thanks! matt =========================================================================== ||| John V. Matthews, III | PO Box 50355 ||| NCSU Mathematics Graduate Student | Raleigh, NC 27650 / | \ http://www4.ncsu.edu/~jvmatthe/www/ | (919) 515 7324 ===========================================================================
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