'MIPS-32 Opcode Format: Uppercase or Lowercase? [closed]
I'm currently taking a course in computer organization and I've been studying MIPS-32 architecture. I've noticed that the book we use lists the Opcodes all in lowercase, whereas the Professor lists the Opcodes all in uppercase. I looked this up on different websites and noticed that some websites had the Opcodes as all uppercase and others all as lowercase. I looked for a similar question on Stack overflow but couldn't find any.
For example, to add, we can have this:
ADD $s2, $s1, $s0
But, other websites and the book have it as:
add $s2, $s1, $s0
Could anyone clarify which Opcode format is more conventional? I haven't built an assembly language program yet, so I am not exactly sure if Opcodes are case-sensitive; are they?
N.B. The book I'm using is Computer Organization and Design MIPS Edition: The Hardware/Software Interface by David A. Patterson and John L. Hennessy.
Sources
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Source: Stack Overflow
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