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Author Topic: P89V51RD2 + Keil  (Read 1807 times)
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bugmike25
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« on: May 20, 2008, 07:21:29 19:21 »

Hi all. I am using a P89V51RD2 MCU to load data from an MMC.  The code works fine.  The strange thing is that when i use Keil to load the data into an array stored in XDATA although the program compiles it seems as if the MCU ran out of space.  The arrays that are listed first in alphabetical order are being filled correctly. but then at one poin only 1s are being stored.  The strange thing is that Keil compiler does not seem to identify this problem. 

Is there a setting i can use to to modify the startup file or another solution because i believe that it is capable of storing more than 512bytes of data.
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chaleekan
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« Reply #1 on: May 21, 2008, 04:26:29 04:26 »

you can set-> Options for target->Target chang memory model -> Large: variables in XDATA
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