7 segment led display

To use this code of 7-Segment Common Cathode LED Display Counter using 8051 MUC, fix a Common Cathode type 7-segment LED display on a breadboard and connect its pins to PORT2 in following sequence P2^0 - a, P2^1 - b, P2^2 - c, P2^3 - d, P2^4 - e, P2^5 - f, P2^6 - g, and then connect the GROUND terminal of the display to -ve terminal of your dev. board. Remember that P2^7 should be left open.