The PIC32 R-type instruction, add, is used to move the contents of register St0

Question

The PIC32 R-type instruction, add, is used to move the contents of register St0 to Stl, add $t1, $zero , St0 The following multiple choice questions relate to this instruction and the PIC32: (e) How many operands are there in this instruction 0 3 12 (f) The size of the operand values in this instruction 8 bytes 8 bits 16 bits 32 bits varies by instruction (g) What is the size of this instruction? 8 bits 12 bits 16 bits 32 bits 64 bits (h) Where are the operand values for this instruction located? flash memory stack SRAM SFRs

Explanation / Answer

E) There are three operands in this instruction, $t1,$t0 and $zero.                    

F) The size of the operand values in this instruction varies by the instruction. It can be a byte or a word.

G) The size of this instruction is 32 bits as it is a R type instruction. R type instructions have a size of 32 bits.

H) The operand values for this instruction are stored in the general purpose registers since it is an R type instruction.

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