Question

我试图让我的频率表完全显示但是在尝试运行循环时通过下一个标签，它给了我一个异常处理程序错误。我想知道如何让我的循环完全运行

我的代码：

INCLUDE Irvine32.inc

.data

target BYTE "AAEBDCFBBC", 0
freqTable DWORD 256 DUP(0)
introPrompt BYTE "Here are the indexes in hex and their counts in the array: ", 0ah,     
0dh, 0
prompt BYTE "Location ", 0
prompt2 BYTE " : ", 0
numcount DWORD 0
sLength DWORD ?
location DWORD ?
count DWORD 0
temp BYTE ?

.code
main PROC

mov edx, OFFSET target
call StrLength
mov sLength, eax

Get_frequencies PROTO, 
    pval1: DWORD,
    tableVal: DWORD
INVOKE Get_frequencies, ADDR target, ADDR freqTable

mov eax, numCount
call WriteDec
call crlf

mov edx, OFFSET introPrompt
call WriteString

;Writes the frequency table
mov esi, OFFSET freqTable
mov ecx, 256
top:
    mov edx, OFFSET prompt
    call WriteString

    mov eax, count
    call WriteHex

    mov edx, OFFSET prompt2
    call WriteString

    mov eax, [esi]
    call WriteDec

    call crlf
    add esi, 4
    inc count
    loop top

call WaitMsg
exit
main ENDP

Get_frequencies PROC USES edi esi,
pval1: DWORD,
tableVal: DWORD

mov edi, pval1      ;edi points to target array
mov esi, pval1      ;esi points to freqTable

mov edx, 0
mov eax, 0
mov numCount, 0
L1:
    mov al, [edi]
    mov dl, [esi]

    mov temp, dl
    cmp al, 0
    jne L2
    jmp next

L2:
    inc edi
    cmp al, dl
    jne L1
    inc numCount
    jmp L1

next:

    mov ecx, esi
    mov ecx, tableVal
    imul edx, 4
    add ecx, edx
    mov ebx, numCount
    mov [ecx], ebx

    cmp temp, 0
    je finish

    inc esi
    inc edi
    jmp L1

finish:
ret
Get_frequencies ENDP

END main

因此numCount全局变量包含重复字符的次数，并根据十六进制值将数字添加到频率表中。我尝试增加esi和edi再次从开始时的以下值开始，但它给我一个异常句柄错误。

非常感谢

无法获得循环运行

0 个答案: