Engineering, 23.03.2020 16:54 tus

5. Given that the ASCII codes for 'A' through 'Z' are x41 through x5A; and the codes for 'a' through 'z' are x61 through x7A: What are the bit-mask and the logic operation (NOT the LC3 instruction) that would force a character stored in R0 to lower case - i. e. convert an upper-case character stored in R0 into lower case, and leave a lower case unchanged (so ‘A’ would become ‘a’, and ‘a’ would remain ‘a’).

Note: the LC-3 stores ASCII characters in the lower ("right-hand") byte of a 16-bit word, with the upper byte set to zero

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5. Given that the ASCII codes for 'A' through 'Z' are x41 through x5A; and the codes for 'a' through...