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math230

MIPS Mars use of syscalls for prompting & reading in integer

May 20th, 2020
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  1. #MIPS assembly: Use Mars syscall to prompt user and read value typed in
  2. .data
  3.  
  4. intPrompt:  .asciiz  "enter an integer: "
  5.  
  6. .text
  7.     # Prompt the user ($v0=4)
  8.     la  $a0, intPrompt
  9.     li  $v0, 4  
  10.     syscall
  11.    
  12.     # Read in an integer ($v0=5)
  13.     li  $v0, 5
  14.     syscall       # value read in will be saved to $v0
  15.    
  16.     add $t1, $zero, $v0  #save integer read.
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