- ;; AND can be used to clear bit or number bits
- ;; OR can be used to set bit, set 1
- ;; NOT - invert whole
- ;; XOR - invert single bits
- .model small
- .stack 100h
- .data
- .code
- main proc
- L1:
- mov ah,1
- int 21h
- NOT al,00100000b ;20h
- NOT al ; 11011111b
- mov ah,4ch
- int 21h
- main endp
- end main
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