Hi,I'm new to assembly but i cannot figure this out
NEG BYTE [BX] ; Negates byte quantity at DS:BX
NEG WORD [DI] ; Negates word quantity at DS:BX
first line I understand but how did he get BX register in second line?!
thanks in advance
operator494d
0
Newbie Poster
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Jump to Posthi operator,
you are right! I never noticed that before. Could simply be a trick for the CPU-manufacturer to find out, if just a byte or a whole word is to be changed.
Don't take programming-life too seriously. You'll find so many just remarkably funny thinks especially when …
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sDJh
39
Posting Whiz in Training
hi operator,
you are right! I never noticed that before. Could simply be a trick for the CPU-manufacturer to find out, if just a byte or a whole word is to be changed.
Don't take programming-life too seriously. You'll find so many just remarkably funny thinks especially when programming assembly.
Bye
Simon
NotNull
23
Posting Whiz in Training
He probably made a mistake [DI] defaults to DS,
so it should have been DS : DI
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