.datapromptStart:    .asciiz "This program does AxB without using mult or div"getA:    .asciiz "Please enter the first number(multiplicand): "getB:    .asciiz "Please enter the second number(multiplier): "space:    .asciiz " "result:    .asciiz "The product, using my program is: "mipMult:   .asciiz "The product, using MIPs multu is: "endLine: .asciiz "\n".textmain:#"welcome" screenli  $v0,4           # code for print_stringla  $a0,promptStart # point $a0 to prompt stringsyscall             # print the promptli  $v0,4           # code for print_stringla  $a0,endLine     # point $a0 to prompt stringsyscall             # print the prompt#prompt for multiplicandli  $v0,4           # code for print_stringla  $a0,getA        # point $a0 to prompt stringsyscall             # print the prompt#acquire multiplicandli  $v0,5           # code for read_intsyscall             # get an int from user --> returned in $v0move    $s0,$v0     # move the resulting int to $s0move    $s5,$s0     # copy of multiplicand to use in multu#prompt for multiplierli  $v0,4           # code for print_stringla  $a0,getB        # point $a0 to prompt stringsyscall             # print the prompt#acquire multiplierli  $v0,5           # code for read_intsyscall             # get an int from user --> returned in $v0move    $s1,$v0     # move the resulting int to $s0move    $s6,$s1     # copy of multiplier to use in multujal MyMultj   printMyMult:move $s3, $0        # lw productmove $s4, $0        # hw productbeq $s1, $0, donebeq $s0, $0, donemove $s2, $0        # extend multiplicand to 64 bitsloop:andi $t0, $s0, 1    # LSB(multiplier)beq $t0, $0, next   # skip if zeroaddu $s3, $s3, $s1  # lw(product) += lw(multiplicand)sltu $t0, $s3, $s1  # catch carry-out(0 or 1)addu $s4, $s4, $t0  # hw(product) += carryaddu $s4, $s4, $s2  # hw(product) += hw(multiplicand)
next:# shift multiplicand leftsrl $t0, $s1, 31    # copy bit from lw to hwsll $s1, $s1, 1sll $s2, $s2, 1addu $s2, $s2, $t0srl $s0, $s0, 1     # shift multiplier rightbne $s0, $0, loopdone:jr $raprint:# print result stringli  $v0,4           # code for print_stringla  $a0,result      # point $a0 to stringsyscall             # print the result string# print out the resultli  $v0,1           # code for print_intmove    $a0,$s4     # put result in $a0syscall             # print out resultli  $v0,4           # code for print_stringla  $a0,space       # point $a0 to stringsyscall             # print the result stringli  $v0,1           # code for print_intmove    $a0,$s3     # put result in $a0syscall             # print out result# print the line feedli  $v0,4           # code for print_stringla  $a0,endLine     # point $a0 to stringsyscall             # print the linefeeddoMult:
#Do same computation using Multmultu   $s5, $s6mfhi    $t0mflo    $t1li  $v0,4           # code for print_stringla  $a0,mipMult     # point $a0 to stringsyscall# print out the resultli  $v0,1           # code for print_intmove    $a0,$t0         # put high in $a0syscall             # print out resultli  $v0,4           # code for print_stringla  $a0,space       # point $a0 to stringsyscall             # print the result string# print out the resultli  $v0,1           # code for print_intmove    $a0,$t1         # put low in $a0syscall             # print out result# print the line feedli  $v0,4           # code for print_stringla  $a0,endLine     # point $a0 to stringsyscall             # print the linefeed# All done, thank you!li  $v0,10          # code for exitsyscall             # exit program