在DOSOX中使用TASM运行汇编代码。我试图在显示器的中心打印我的名字。字母应该打印如下：第一个字母，然后从第一个开始的每个以前的字母应该显示以及当前字母，例如name = carlton
首先打印c，然后打印c和a，然后打印c、a、r，然后打印c、a、r、l等
我是这么试的我得到了一个无限循环，没有接近预期的结果。认为我的方法是可以的，但编码有;很多问题。

.MODEL SMALL
    .STACK 64
    .DATA
my_string db "Carlton", 0
count1 db 07
buffer db 07 dup(0)
count2  dw 0ffffh   ;delay
.CODE
MAIN:   mov ax,@DATA
    mov ds,ax
; initialize pointer to point to my_string
   mov bx, offset my_string
   mov di, offset buffer

outer_loop: ; outer loop to iterate through each letter 
;clearing the screen
    MOV AX,0600H    ;scroll the entire page
    MOV BH,07   ;normal attribute
    MOV CX,0000     ;row and column of the top left
    MOV DX,184FH    ;row and column of the bottom right
    INT 10H     ;invoke interrupt 10H
    
    ;setting the cursor to the center of the screen
    MOV AH,02   ;set cursor option
    MOV BH,00   ;page 0
    MOV DL,39   ;center column position
    MOV DH,12   ;center row position
    INT 10H     ;invoke interrupt 10H

        ; print current letter
       
        mov di,[bx] ; store current character in di, wc pionts to buffer
        mov ah,09
        mov dx, di
        int 21h
    dec count2  ;decrement delay
    jnz outer_loop

        ; inner loop to print buffer before current letter
         print_prev:  
       cmp di,[bx]
       je next          
           mov ah, 09
           mov dx, di
           int 21h
           inc di
       jmp print_prev

       ; increment pointer to next letter
        next:
    inc bx
    dec count1
    mov count2,0ffffh
        jnz outer_loop

 ; exit program
    mov ah,4ch
    int 21h
    END MAIN