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6502 Assembly Language Math Lab

106 bytes added, 15:25, 22 September 2021
Option 2: Numeric Display
==== Option 2: Numeric Display ====
# Create or find (under an appropriate license) the Obtain bitmapped font patterns for the digits 0-9 on an 8x8 pixel matrix.:#* Use [[8x8 Bitmap Patterns for Digits|pre-defined bitmap patterns]], or#* Find alternate patterns on the web, or#* Design your own font patterns
# Encode the font patterns for these characters using DCB (declare constant byte) instructions.
# Write code to display a 2-digit unsigned decimal number (0-99). The + and - keys should increment and decrement this number.