The code memory type may be used for constants and
functions. This memory is accessed using 16-bit addresses and may be
on-chip or external.
For constants (ROM variables), code memory is limited to
64K. Objects are limited to 64K and may not cross a 64K boundary.
Constant variables declared code are located in the
CODE memory class.
For program code (functions), code memory is limited to
64K. Program functions are stored in the CODE memory class
by default. The code memory type specifier is not
required.
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