Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Write the assembly code c=a-b for the  calculation in MIPS

Expert Solution
Program Explanation
  • Begin writing the data section where information is put away in memory (designated in RAM), like variables in more elevated level dialects
  • Define variables a , b and c with initial 2 values of your choice which you wish to get subtracted and c initializing it to 0 with li command that loads a value immediately to the register or a variable
  • Begin writing the text section wherein there is the proper program and logic for the same
  • Use sub command to subtract the b variable from a and then store it into c
  • Transfer this output value of c to the register $a0 with command mov
  • The next command is used for printing the output integer value
  • Lastly, the program is finished and exit with li $v0,10 command
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