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putchar/printf problem

Dear all,

I am having problem with putchar function.

When i am running a "putchar('A');" instruction, i am getting the
Charater 'A' output on the serial window. But when i run next
"putchar('B');" instruction i am not getting the output and the
program goes in hanging condition. This execution i did in debug with
"F10"
i.e step over option.

Same thing if i do with "F11" step option then i get charaters "AB"
both on the Serial window.

Also if run the program using "F5" i.e "Go" command i am getting only
"A" on the Serial display as with "F10".

The poject files are attached with this mail in file "print.zip"

Regards,

Anil

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