avsprintf():  Fix a bug in usage of va_list on x86.  On x86, va_list is a pointer to a single copy on the stack.  avsprintf() calls lib_vsprintf() twice and so traverses the va_list twice using va_start.  va_start modifies that single copy on the stack so that the second call to lib_vsprintf() fails.  This appears to be an issue with x86 only so far
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Extend the simulator to provide special initialization for the Traveler game
stdint.h:  Don't use hex values to specify minimum values of fixed width, signed values.  Hex values are inherently unsigned and not usable for this purpose in all contexts
Passing wrong string for the world path
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Travel: Fix more initialization errors, mostly related to file path problems
Traveler:  Add logic to limit the frame rate.  This is kind of a silly feature -- why would you ever want to limit the frame rate?  Well, you need to that on the simulated platform to make bandwidth for other things to run like the simulated timer
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Fix backup time calculation
Update the Tiva I2C register definitions for the TM4C123 and TM4C129
Traveler: Use less floating point in timeing instrumentation
Refresh configuration
Tiva: Add build framework and skeleton files for Tiva I2C driver.  Initial commit is just the STM32 I2C driver with name changes and STM32-specific logic removed
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Fix typo in Tiva UART regiser address definition.  SourceForge Ticket #37
Add procfs write support.  From Ken Petit
Add CRC8 support.  From Ken Pettit
SmartFS:  Implements wear-leveling in the SmartFS.  From Ken Pettit
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