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I need help. hardware is ready but the Assembly code....

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I need help.

i need to write closed in a LED 5x7 matrix when P3.7 is high and Closed when P3.7 is low. my connection is Unl2003 form my row driver common cathode. 745HC95 form my column drivers. four in number, 6 xter.
the hardware is ready but the Assembly code im having difficulty espectialy the ASCII table.
P3.0 = MR
P3.1 = DS
P3.2 = CLK
P3.3 = RCLK
 

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