add both paths when button A is pressed

ASYD_Safety/Ada_Microbit/examples/MicroBit/jumper/src/main.adb

@@ -66,10 +66,12 @@ begin
    loop
 
       if Buttons.State (Button_A) = Pressed then
+         DO_1_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
          DO_2_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
+         DO_3_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
          DO_4_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Up);
          Display.Clear;
-         Display.Display ('0');
+         Display.Display ('X');
       end if;
       if Buttons.State (Button_B) = Pressed then
          DO_1_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
@@ -77,7 +79,7 @@ begin
          DO_3_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
          DO_4_Pt.Set_Pull_Resistor(Pull => HAL.GPIO.Pull_Down);
          Display.Clear;
-         Display.Display ('X');
+         Display.Display ('0');
       end if;