Grubb, Jared wrote:
According to the ARMARM (pg A4-113), LDRB is present in v3 (LDRH was
added in v4). I use a ARM7TDMI, so I have no direct knowledge of
anything!=v4, so I can just say what the ARMARM says.
Oh, well the ARMARM would be right, so I must be misremembering. I thought
that was one of the reasons for the rotate on misaligned word load tricks
- to make it easier to mask off bytes.
Out of curiousity, what is the processor that your friend is using? (If
you can say)
XAP. http://en.wikipedia.org/wiki/XAP_processor
As I said, it's possible for the compiler to workaround the fact that the
smallest directly addressible memory unit isn't 8-bits. But in this case,
the supplied tools didn't, and so chars are 16-bits.
Jifl
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