Exp_10

Exp_10 - EE3751 Fall 2003 Experiment # 10 Modify experiment...

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EE3751 – Fall 2003 Experiment # 10 Modify experiment 9 to include the following new functions. PROGRAM: The Main routine will set up a menu with the following choices: MENU A – SELECT COUNT UPWARDS/DOWNWARDS. B – SELECT START/END AT ZERO/INPUT COUNT. C – COUNT. D – SELECT SCROLL RIGHT/LEFT E – SELECT LIT/UNLIT F - SCROLL G – QUIT. ENTER CHOICE: SELECT SCROLL RIGHT/LEFT allows the user to choose the direction of scrolling. SELECT LIT/UNLIT allows the user to select if the scrolling will be done with a single led being lit and the remaining ones unlit or vice versa. Shown below is an example of a single led scrolling from right to left in both lit and unlit form. 1 indicates the led is on, and 0 indicates it is off: Step Lit Unlit 1 0001 1110 2 0010 1101 3 0100 1011 4 1000 0111 SCROLL starts the scrolling of the display. QUIT stops program and return control to O.S. The Intel 80X86 family of processors have instructions used specifically to access I/O ports, and their most common formats are described below:
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This note was uploaded on 01/24/2012 for the course EE 3751 taught by Professor Desouza during the Spring '04 term at LSU.

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Exp_10 - EE3751 Fall 2003 Experiment # 10 Modify experiment...

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