have a modifier like "_at_ 0xyy00" which specifies
that an xdata variable is located at a multiple of
256 bytes and does not cross a 256 byte block.
What for? Access to variables like:
unsigned char xdata _at_ 0xyy00 ser_txBuffer[0x100];
can be made more compact, as the high byte only has
to be accessed once and an index can be used
Inline assembler code could make immediate use of
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