Nios/hex1

Write a function that converts a one-digit hexadecimal number (0 to 15) into an ASCII character suitable for printing the number. For 0xa through 0xf, use lower-case ('a' through 'f'). You are guaranteed that the input number will be between 0 and 15.

Expected solution length: Around 5 lines.

Sample Input

0xa

Sample Output

'a'

# A test case to test your function with
.global _start
_start:
    movia r4, 0xa    # First parameter is always in r4
    call hex1
    br _start        # End of testing code

# Print one hex digit
hex1:

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Nios/hex1

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