I’m trying to make a white screen with a sprite but the colors aren’t right. I tried other colors and they aren’t what they’re supposed to be as well.
Did I do something wrong?

IDEAL
MODEL small
STACK 100h
DATASEG
white db 320*200 dup(255)
CODESEG
start:
    mov ax, @data
    mov ds, ax

    mov ah, 0
    mov al, 13h
    int 10h

    mov cx, 0
    mov dx, 0

    mov ah, 0Ch
    mov al, 256
    mov bx, 0

sprite_loop:
    int 10h
    inc cx
    cmp cx, 320
    jne sprite_loop

    mov cx, 0
    inc dx
    cmp dx, 200
    jne sprite_loop
     ; Wait for user input
    mov ah, 0
    int 16h
    
exit:
    mov ax, 4c00h
    int 21h
END start