The JAL command is specifically designed to
facilitate subroutines. Explain step by step how it works and show a memory diagram
displaying how a parent and child function and data blocks are linked together.

 

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Add Instruction Memory Read PC Address Inst 0 Read Reg 1 Read Data 1 Read Reg 2 Register File Write Reg Read Data 2 Write Data Sign Extend Shift left 2 0 Add ovf zero ALU Address Data Memory Read Data Write Data 0 Add Instruction Memory Read PC Address Inst 0 Read Reg 1 Read Data 1 Read Reg 2 Register File Write Reg Read Data 2 Write Data Sign Extend Shift left 2 0 Add ovf zero ALU Address Data Memory Read Data Write Data 0