Question: Using memory-mapped I/O and polling, write a function print_string that prints a string on the display, without using any system call. The address of the

Using memory-mapped I/O and polling, write a function print_string that prints a string on the display, without using any system call. The address of the string is passed in register $a0 and the string must be null-terminated. Test this function by calling it from the main function. Make sure to activate the Keyboard and Display MMIO Simulator.

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