write a MIPS program that calculates d=a*b-a*c without using mult instruction --- just for practicing your MIPS assembly.
If you signed up for piano lessons, but then decided that you didn't feel like taking them, would you ask somebody to go in your place?
And the answer is:
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# author: Andor Pásztor
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# text segment #
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.text
.globl main
main:
la $a0, str1
li $v0, 4
syscall
li $v0, 5
syscall
or $t0, $v0, $v0
la $a0, str2
li $v0, 4
syscall
li $v0, 5
syscall
add $t1, $v0, 0
la $a0, str3
li $v0, 4
syscall
li $v0, 5
syscall
add $t2, $v0, 0
add $t7, $t0, $zero
startMul: # mult loop
blez $t7, endMult
add $t3, $t3, $t1
add $t4, $t4, $t2
sub $t7, $t7, 1
j startMul
endMult:
sub $t5, $t3, $t4
la $a0, str4
li $v0, 4
syscall
move $a0, $t5
li $v0, 1
syscall
li $v0, 10
syscall
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# data segment #
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.data
str1: .asciiz "input a = "
str2: .asciiz "input b = "
str3: .asciiz "input c = "
str4: .asciiz "The result is "
You can also use google groups.There is always many solutions to a problem.
http://groups.google.com/Good luck.
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