In the original up/down counter application, Program 10.1, modify the main loop so it looks like this: Modify the interrupt handlers so they display the correct pattern on the LEDs whenever count is...

In the original up/down counter application, Program 10.1, modify the main loop so it looks like this:

Modify the interrupt handlers so they display the correct pattern on the LEDs whenever count is changed. To avoid writing duplicate code, each interrupt handler will exit at a common RETI instruction.