MIPS Assembly Language
These are assembly language instructions that have direct hardware implementation, as opposed to pseudoinstructions which are translated into multiple real instructions before being assembled.
- In the following, the register letters d, t, and s are placeholders for (register) numbers or register names.
- C denotes a constant (immediate).
- All the following instructions are native instructions.
- Opcodes and funct codes are in hexadecimal.
- The MIPS32 Instruction Set states that the word unsigned as part of Add and Subtract instructions, is a misnomer. The difference between signed and unsigned versions of commands is not a sign extension (or lack thereof) of the operands, but controls whether a trap is executed on overflow (e.g. Add) or an overflow is ignored (Add unsigned). An immediate operand CONST to these instructions is always sign-extended.
Read more about this topic: MIPS Architecture
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