Status: Assigned
Owner: robhamerling
Labels: Type-Enhancement Priority-Medium Component-Scripts

New issue 97 by robhamerling: Missing declarations of 'memory shared' SFRs  
of the 18Fs
http://code.google.com/p/jallib/issues/detail?id=97

Some newer 18Fs have Special Function Registers which share their addresses
with other SFRs. An 'ADSHR' bit in the WDTCON determines which of both
registers will be accessed.
There are some issues with this type of registers:

1. To be able to access these registers like 'normal' (memory mapped)
registers the pseudo variable feature of Jal V2 can be used. For writing
('put procedure) no problem, but with reading ('get function) the compiler
chokes (probably caused reading the register in the read 'get function).

2. The subfields (if any) of these registers must be accessable like
'normal' bit fields too.

The device files will have to be extended to provide the required
functionality.



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