DCX D JNZ WAIT1 ; Set yellow light signal to ON MVI A, 02H OUT 02H ; Wait for 5 seconds LXI D, 5000 WAIT2:
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; Main Loop LOOP:
; Set red light signal to ON MVI A, 01H OUT 01H ; Wait for 30 seconds LXI D, 30000 WAIT1: DCX D JNZ WAIT1 ; Set yellow light
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