我现在很确定错误是在sub ecx，3 !!!我是正确的！我在前两次调用之后创建了一个cmp ecx函数，然后在fib循环之前查看ecx = 0以及它是否跳到最后，因为它已经打印了3个值
INCLUDE Irvine32.inc
.data
myName BYTE "Nathan Campbell ", 0
programTitle BYTE "Fibonacci Numbers by ", 0
prompt_1 BYTE "What is your name? ", 0
prompt_2 BYTE "Enter the number of Fibonacci terms you would like to see. Please enter a number between [1 - 46]", 0
ec_prompt BYTE "EC: Doing something awesome: Setting text color to teal-ish", 0
numFib DWORD ?
prev1 DWORD ?
prev2 DWORD ?
spaces BYTE " ",0
goodbye BYTE "Goodbye, ", 0
firstTwo BYTE "1 1 ", 0
firstOne BYTE "1", 0
temp DWORD ?
moduloFive DWORD 5
UPPERLIMIT = 46
LOWERLIMIT = 1
;user's name
buffer BYTE 21 DUP(0)
byteCount DWORD ?
;greet user
hi BYTE "Hi, ",0
;validation
tooHighError BYTE "The number you entered is too high! It must be 46 or below. ", 0
tooLowError BYTE "The number you entered is too low! It must be 1 or above. ", 0
;EC -> Doing something awesome: Setting Background Color and Text Color
val1 DWORD 11
val2 DWORD 16
.code
main PROC
;EC: doing something awesome like setting the text color
; set text color to teal
mov eax, val2
imul eax, 16
add eax, val1
call setTextColor
; INTRODUCTION
mov edx, OFFSET programTitle
call WriteString
mov edx, OFFSET myName
call WriteString
call CrLf
; EC Prompt
mov edx, OFFSET ec_prompt
call WriteString
call CrLf
mov edx, OFFSET prompt_1
call WriteString
call CrLf
; get user's name
mov edx, OFFSET buffer ;point to the buffer
mov ecx, SIZEOF buffer ; specify max characters
call ReadString
mov byteCount, eax
; greet the user
mov edx, OFFSET hi
call WriteString
mov edx, OFFSET buffer
call WriteString
call CrLf
; USER INSTRUCTIONS
topPrompt:
mov edx, OFFSET prompt_2
call WriteString
call CrLf
; GET USER DATA
call ReadInt
mov numFib, eax
; Validate user data
cmp eax, UPPERLIMIT
jg TooHigh
cmp eax, LOWERLIMIT
jl TooLow
je JustOne
cmp eax, 2
je JustTwo
; DISPLAY FIBS
; prepare loop (post-test), do the first two manually
mov ecx, numFib
sub ecx, 3 ; we start at iteration 3, the first two are taken care of by JustOne and JustTwo
mov eax, 1
call WriteDec
mov edx, OFFSET spaces
call WriteString
call WriteDec
mov edx, OFFSET spaces
call WriteString
mov prev2, eax
mov eax, 2
call WriteDec
mov edx, OFFSET spaces
call WriteString
mov prev1, eax
**cmp ecx, 0 ; Compares to ecx to prevent an error causing it to loop infinitely when 3 is input!
je TheEnd**
fib:
; add prev 2 to eax
add eax, prev2
call WriteDec
mov edx, OFFSET spaces
call WriteString
mov temp, eax
mov eax, prev1
mov prev2, eax
mov eax, temp
mov prev1, eax
;for spacing (first time it should be % 3, rest %5)
mov edx, ecx
cdq
div moduloFive
cmp edx, 0
jne skip
call CrLf
skip:
; restore what was on eax
mov eax, temp
; if ecx % 3 = 0 call CrLf
loop fib
jmp TheEnd
TooHigh:
mov edx, OFFSET tooHighError
call WriteString
jmp TopPrompt
TooLow:
mov edx, OFFSET tooLowError
call WriteString
jmp TopPrompt
JustOne:
mov edx, OFFSET firstOne
call WriteString
jmp TheEnd
JustTwo:
mov edx, OFFSET firstTwo
call WriteString
jmp TheEnd
; FAREWELL
TheEnd:
call CrLf
mov edx, OFFSET goodbye
call WriteString
mov edx, OFFSET buffer
call WriteString
call CrLf
exit ; exit to operating system
main ENDP
END main
我目前的问题是它与每个数字完美配合！ （如果错误高或低，则按预期进行处理）除了3？
3使它尝试进行超级计算并基本崩溃。有人能帮忙吗？我的意思是它不是太激烈，我有1/46的机会在分配任务时弹出错误（我将以任何一种方式转向）但我真的很想知道到底是怎么回事用代码。
它调用整数溢出，我认为它发生在moduloFive上，是否导致了一个巨大的错误？