Mips exercise 3

3.asm

main:
	addi $t7, $zero, 128
	
	li $v0, 13
	la $a0, filename
	li $a1, 0
	li $a2, 0
	syscall
	addi $s0, $v0, 0
readFromFile:
	li $v0, 14
	add $a0, $s0, $zero
	la $a1, buffer
	add $a2, $zero, $t7
	syscall
	beqz $v0, closeFile
process:
	la $t0, buffer
iterateChars:
	lb $t1, 0($t0)
	beqz $t1, endIterateChars
	
	# Check for newline
	addi $t4, $zero, 10
	bne $t4, $t1, checkSpace
	slt $t3, $zero, $t6
	add $t5, $t5, $t3
	addi $t6, $zero, 0
checkSpace:
	addi $t4, $zero, 32
	bne $t4, $t1, endChecking
	addi $t6, $t6, 1
endChecking:
	addi $t0, $t0, 1
	j iterateChars
endIterateChars:
	j readFromFile

closeFile:
	li $v0, 16
	add $a0, $s0, $zero
	syscall
	move $v0, $t5
.data
	filename: .asciiz "/home/voter101/test.txt"
	buffer: .space 128
.text
main:
	addi $t7, $zero, 128
	
	li $v0, 13
	la $a0, filename
	li $a1, 0
	li $a2, 0
	syscall
	addi $s0, $v0, 0
readFromFile:
	li $v0, 14
	add $a0, $s0, $zero
	la $a1, buffer
	add $a2, $zero, $t7
	syscall
	beqz $v0, closeFile
process:
	la $t0, buffer
iterateChars:
	lb $t1, 0($t0)
	beqz $t1, endIterateChars
	
	# Check for newline
	addi $t4, $zero, 10
	bne $t4, $t1, checkSpace
	slt $t3, $zero, $t6
	add $t5, $t5, $t3
	addi $t6, $zero, 0
checkSpace:
	addi $t4, $zero, 32
	bne $t4, $t1, endChecking
	addi $t6, $t6, 1
endChecking:
	addi $t0, $t0, 1
	j iterateChars
endIterateChars:
	j readFromFile

closeFile:
	li $v0, 16
	add $a0, $s0, $zero
	syscall
	move $v0, $t5
.data
	filename: .asciiz "/home/voter101/test.txt"
	buffer: .space 128
.text