Aslam o Alikum to all, here is my code to get and change the attributes of a txt file. I want to change the hidden attribute of file. In this code, when i get attribute of file, the number 20 (100000) is returned in cx. I changed this number to 22(100010) ie i have set the hidden attribute. But when I run the program, the no changes are applied. please help me.
[org 0x0100] mov ax, 4300h ; get file attributes mov dx, filename int 21h mov [attribute], cx ; save file attribute in variable mov ax, 4301 ; set file attributes mov dx, filename mov cx, 0020h int 21h mov ax,0x4c00 int 0x21 filename dw 'D:\link.txt' attribute dw 0
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