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16f88 rom

 
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sabobey



Joined: 19 Oct 2008
Posts: 6

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16f88 rom
PostPosted: Fri Aug 17, 2012 2:43 am     Reply with quote
I can not use more space than 51% 16f88 rom. What should I do ?
ckielstra



Joined: 18 Mar 2004
Posts: 3680
Location: The Netherlands

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PostPosted: Fri Aug 17, 2012 4:27 am     Reply with quote
Next time first try to help yourself:
- Surf to the Google website.
- Type in exactly:
Quote:
site:ccsinfo.com/forum "out of ROM"


Most common problem is that the PIC16 uses bank switching to address memory in pages. Each function you write has to fit in such a page. When a function is too big it won't fit and you get the 'out of memory' error even when the total number of available bytes is sufficiently large.
Solution is to split your large function(s) into smaller functions. Additional bonus is that your program will be easier to maintain as people tend to have a memory span for understanding only functions up to about 50 lines.
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