code segment assume cs:code,ds:code,es:code org 100hstart: jmp set09hlockkey equ 1subaddr dw key_onpointer dw ?counter db ?keyword db 11h,15h,19hkey_len equ $-keywordold09h dd ?new09h proc near push ax push si push ds push es push cs pop ds mov ax,0040h mov es,ax in al,60h test al,80h jnz bios09h jmp word ptr subaddrbios09h:pop es pop ds pop si pop ax sti jmp cs:dword ptr old......
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