Question

请问我是新的汇编语言，我正在尝试打印一个方框的轮廓。我真的被卡住了。尝试了我所知道的一切，但我不能让它打印出轮廓。提前感谢您的帮助

INCLUDE Irvine32.inc

    .data
    prompt BYTE "This program draws a rectangle using the * character.", 0
    len BYTE "How high would you like your box? ", 0
    wid BYTE "How wide would you like your box?: ", 0
    image BYTE "* ", 0
    space BYTE " ", 0
    leninput DWORD ?
    widinput DWORD ?
    h  DWORD ?
    w DWORD ?
    count DWORD ?


    .code
    main proc

    ;;; Write the prompt to the screen
    mov edx, OFFSET prompt
    call WriteString
    call Crlf

    ;;; Write the length request to the screen
    mov edx, OFFSET len
    call Crlf
    call WriteString


    ;;; Obtain the length value(which will be in eax)
    call ReadDec
    mov leninput, eax

    ;;; Write the width request to the screen
    mov edx, OFFSET wid
    call Crlf
    call WriteString


    ;;; Obtain the second value(which will be in eax)
    call ReadDec
    mov widinput, eax


    ;;; Draw rectangle on screen
    mov eax, 0
    mov ecx, leninput; set outer loop with length


    L1 :
     mov count, ecx; save outer loop count
     mov ecx, widinput; set inner loop count with the width

     L2 :
     call ConditionCheck

    loop L2; repeat the inner loop
    call Crlf; Print line
        mov ecx, count; restore outer loop(length)
    loop L1; repeat outer loop 1

    exit
main endp
; ----------------------------------------------------------------------
ConditionCheck PROC
mov eax, leninput
mov ebx, widinput

.IF eax == 1
mov edx, OFFSET image
call WriteString
.ELSEIF eax == leninput
mov edx, OFFSET image
call WriteString
.ELSEIF ebx == 1
mov edx, OFFSET image
call WriteString
.ELSEIF ebx == widinput
mov edx, OFFSET image
call WriteString
.ELSE
mov edx, OFFSET space
call WriteString
.ENDIF
ret
ConditionCheck ENDP
; ---------------------------------------------------------------------- -

end main

输出应如下所示：

How high would you like your box? 5
How wide would you like your box? 6
******
*    *
*    *
*    *
******

但我填好了这个盒子

Answer 1

image和space应具有相同数量的字符：

image BYTE "* ", 0
space BYTE "  ", 0

在ConditionCheck EAX和EBX过程中，请将循环的当前值指向不可更改的值leninput和widinput。所以改变

mov eax, leninput
mov ebx, widinput

到

mov eax, count
mov ebx, ecx

如何使用汇编语言打印框轮廓

1 个答案: