Question

我的MIPS代码有点问题，因为这不适用于“a”，我解释得更好......如果我写的话：

Heeeeello world - ＆gt;我得到这个输出“'''具有最大的出现次数，5”
hi Maaaaaark - ＆gt;我得到了这个输出“'''出现次数最多，”

有人可以给我一个解决方案吗？这是我的代码：

.data
m1: .asciiz "Give me a string: "
m2: .asciiz "\nThe letter '"
m3: .asciiz "' has the biggest number of occurrences, is present "
m4: .asciiz " times."
     .align 2
myArray: .space 104 

.text
.globl main

main:

li $v0, 4
la $a0, m1
syscall

addi $sp, $sp, -256

move $s0, $sp

move $a0, $sp
li $a1, 255
li $v0, 8
syscall


move $a0, $s0

jal check_case



move $a0, $v0
move $a1, $v1

jal analizza_stringa


move $a0, $v0
move $a1, $v1

jal stampa_risultato

end_program:

li $v0, 10
syscall



check_case:

move $t0, $a0

while: 

    lb $t1, ($t0)

    beq $t1, 32, ignore_value_and_continue


        beq $t1, 10, exit_check_case

        bge $t1, 97, continue_check_case

        bge $t1, 65, change_case

            change_case:

            addi $t2, $t1, 32

            sb $t2, ($t0) 

        ignore_value_and_continue:

            continue_check_case:

            addi $t2, $t2, 1

            addi $t0, $t0, 1

            j while

exit_check_case:

    move $v0, $t0

    move $v1, $t2

    jr $ra


analizza_stringa:

li $t1, 0
li $t2, 0
li $t3, 0
li $t4, 0

move $t7, $a0

sub $a0, $a0, $v1 
sub $t7, $t7, $v1

while_string:

lb $t0, ($a0)

beq $t0, $zero, check_best 

    beq $t1, 32, ignore_value_and_continue2

    ignore_value_and_continue2:

    beq $t0, 10, check_best

        subi $t3, $t0, 97

        mul $t4, $t3, 4

        move $t6, $t7

    while_occorrenza:

         beq $t1, 10, continue

         lb $t1,($t6) 

         bne $t1, $t0, continue2 

         addi $t5, $t5, 1

         continue2: 

         addi $t6, $t6, 1

         j while_occorrenza

    continue:

    sw $t5, myArray($t4)

    li $t5, 0
    li $t3, 0
    li $t1, 0   

addi $a0, $a0, 1

j while_string

check_best:

li $t0, 0

lw $t1, myArray($t0)

addi $t0, $t0, 4

while_check_best:

    beq $t0, 104, exit_check

    addi $t5, $t5, 1

    lw $t4, myArray($t0)        

    bge $t4, $t1, scambia

    j continue_check

    scambia:

        blt $t4, $t2, continue_check  

        move $t2, $t4

        add $t3, $t5, 97

    continue_check:

    addi $t0, $t0, 4

    j while_check_best

exit_check:

    move $v0, $t3

    move $v1, $t2

    jr $ra


stampa_risultato:

move $t0, $a0

li $v0, 4
la $a0, m2
syscall


li $v0, 11
move $a0, $t0
syscall


li $v0, 4
la $a0, m3
syscall


li $v0, 1
move $a0, $a1 
syscall

li $v0, 4
la $a0, m4
syscall


jr $ra

为什么这个MIPS代码没有向我显示“a”事件？

0 个答案: