Confirmation on register bits

nekros · Post by **nekros** » Mon Mar 02, 2009 6:27 pm

I'm just looking for confirmation on what the order of the bits are in two byte registers such as ch and cl compare to the word register (in this case cx) they are contained in. To be more exact is bit 0 of cx the same as bit 0 of cl? I'm asking because bts doesn't work on 8 bit registers.

nekros · Post by **nekros** » Mon Mar 02, 2009 8:37 pm

Never mind, I got it all working. (Bootloader Is Nearing Completion!)

jal · Post by **jal** » Tue Mar 03, 2009 4:49 am

nekros wrote:I'm just looking for confirmation on what the order of the bits are in two byte registers such as ch and cl compare to the word register (in this case cx) they are contained in. To be more exact is bit 0 of cx the same as bit 0 of cl? I'm asking because bts doesn't work on 8 bit registers.

Just for the record (in case anyone ever needs an answer): the LSB of CX is CL. (L: low, get it?).

JAL

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Confirmation on register bits

Confirmation on register bits

Re: Confirmation on register bits

Re: Confirmation on register bits