嗨,我有一个关于装配 x86 的问题
这是我的代码
INCLUDE Irvine32.inc
.data
day WORD 0
month WORD 0
year WORD 0
prompt1 BYTE "enter month: ",0
prompt2 BYTE "enter day: ",0
prompt3 BYTE "enter an year: ",0
prompt4 BYTE " the day of the week is ",0
.code
main PROC
mov edx, OFFSET prompt1
call writeString
mov edx, 0
call readInt
call crlf
mov month, ax
mov eax, 0
mov edx, OFFSET prompt2
call writeString
mov edx, 0
call readInt
call crlf
mov day, ax
mov eax, 0
mov edx, OFFSET prompt3
call writeString
mov edx, 0
call readInt
call crlf
mov year, ax
mov eax, 0
mov ebx, 0
mov ax, 14
sub ax, month
mov bx, 12
div bx
mov si, ax ;; a store in si
sub year, ax
mov di, year ;; y store in di
mov ax, ax
mul bx
add ax, month
mov cx, 2
sub ax, cx
mov ecx, 0
mov cx, ax ;; m store in cx
mov eax, 0
mov ebx, 0
mov esp, 0
mov ebp, 0
add day, di
mov ax, di
mov bx, 4
div bx
add day, ax
mov sp, day
mov eax, 0
mov ebx, 0
mov ax, di
mov bl, 100
div bl
mov ah, 0
sub day, ax
mov eax, 0
mov ebx, 0
mov dx, 0
mov ax, di
mov bx, 400
div bx
add day, ax
mov bp, day ;; temporary holder for d value up to y/400 calculation
mov eax, 0
mov ebx, 0
mov ax, 31
mul cx
mov bx, 12
div bx
add bp, ax
mov al, 7
div al
exit
main ENDP
END main
我正在调试这段代码,一切似乎都相应地工作,直到我到达退出指令,然后 Visual Studio 给了我这个错误“访问冲突写入位置 0x000009DF”,我有点困惑,它在代码末尾给了我这个错误,为什么退出命令会出现访问冲突
这是我的输入
enter month: 4
enter day: 15
enter an year: 2013
在程序结束时,我得到寄存器 al = 1 的值,这就是我想要的,所以我不知道为什么当代码中没有其他错误时它给了我这个错误有人可以帮忙吗?预先感谢