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What does ptr do?
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Stefan Raaijmakers
Feb 26, 1995, 6:57:46 AM2/26/95
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Waht does ptr do? is it the same as putting something between brackets? []
(sorry about my bad english)
Mike Schmit
Feb 26, 1995, 11:13:26 PM2/26/95
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In <3ipqbq$c...@liberator.et.tudelft.nl> ste...@djo.wtm.tudelft.nl (Stefan
Raaijmakers) writes:
Raaijmakers) writes:
>
>Waht does ptr do? is it the same as putting something between brackets? []
>
>(sorry about my bad english)
>
>
If you say:
mov byte ptr [bx], 0
you are specifying that [BX] is a pointer to a byte. Without it
how does the assembler know if the 0 is 8-bits or 16-bits?
Basically, byte ptr, word ptr, dword ptr, all tell the assembler
the data type.
Mike Schmit
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