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Address 338 is not withing lower half of memory page? — Parallax Forums

Address 338 is not withing lower half of memory page?

basicstampedebasicstampede Posts: 214
edited 2008-09-23 17:43 in General Discussion
How do I fix this error message?
I attach my file.
It is a modified version of MCP23017 (except that I've expanded the SHIFTIN and SHIFTOUT for learning purpose).
The program does not compile and gives error message about memory.

Can someone please advise how to modify this program so it will compile?

Thanks.
SXB
SXB
mcp23s17.SXB
5K

Comments

  • basicstampedebasicstampede Posts: 214
    edited 2008-09-23 16:33
    Sorry.· I attached the wrong file.· This is the file I need help with.
    SXB
    SXB
    mcp23017.SXB
    6K
  • BeanBean Posts: 8,129
    edited 2008-09-23 16:55
    You need to declare your subroutines in the beginning of the program.
    Then you don't need to use GOSUB.

    Bean.

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    ·
  • basicstampedebasicstampede Posts: 214
    edited 2008-09-23 17:43
    Bean, thanks a lot. That did the trick. It now compiles.
    Just out of curiosity: What is the difference between using GOSUB/RETURN vs. SUB / ENDSUB?

    That is, why did this subtle change fix the memory issue?
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