26 lines
397 B
NASM
26 lines
397 B
NASM
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mov ah, 0x0e
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mov al, [the_secret]
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int 0x10 ; shouldnt work
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mov bx, 0x7c0 ; segment is automatically << 4
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mov ds, bx ; set data segment offset to 0x7c0
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; all memory references will be offset by ds implicitly
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mov al, [the_secret]
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int 0x10
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mov al, [es:the_secret]
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int 0x10
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mov bx, 0x7c0
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mov es, bx
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mov al, [es:the_secret]
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int 0x10
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jmp $
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the_secret:
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db "X"
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times 510 - ($-$$) db 0
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dw 0xaa55
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