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 Robotics / RCX / legOS / *2720 (-5)
  Re: anyone know how to check free space on RCX?
 
John A. Tamplin, Jason Clark, Jochen Hoenicke and Michael J Ash: Thank you all for addressing these issues! It all make sense after reading the preceeding messages. I appologize for causing confusion. I am glad, however, to get it straight. ??So (...) (22 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)
 
  detecting memory leaks
 
In the thread "anyone know how to check free space on RCX?" the issue of checking for memory leaks was raised. I wanted to mention that I have some code that may help in that area. I wrote a function for the memory manager called mm_defrag() It (...) (22 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)
 
  Re: anyone know how to check free space on RCX?
 
(...) The header is ok, but int is 2 bytes = 16 bit. You can check this with this highly optimized program: #include <conio.h> int main(int argc, char *argv[]) { lcd_int( sizeof( int ) ); for(;;) ; return 0; } And in the kernel sources, mm.c says (...) (22 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)
 
  Re: anyone know how to check free space on RCX?
 
(...) This can't be right. I'm about 99% sure that all of the ints I've used with my legOS programs have been 2 bytes. When using LNP to send RCX ints to a PC, for example, you have to use short on the PC end of things to make it all work right. (...) (22 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)
 
  Re: anyone know how to check free space on RCX?
 
(...) My sources (gcc-3.0) say: #define INT_TYPE_SIZE (TARGET_INT32 ? 32 : 16) A short experiment revealed that sizeof(short)=sizeof(int)=2, sizeof(long)=4. So int is normally 16bit. Only with the switch "-mint32" I get 32 bit ints. This is with a (...) (22 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)


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