What is this RTX51

Hi i've just switched from assembly language to c and i've studied a little about RTX51 Real time operating system but i could'nt figure out its purpose for microcontroller applications. Can any one kindly...
What is this RTX51

Hi i've just switched from assembly language to c and i've studied a little about RTX51 Real time operating system but i could'nt figure out its purpose for microcontroller applications. Can any one kindly...
Whats wrong with this code?

unsigned char sectors_per_cluster; unsigned int *pi; unsigned long *pl; pi = (unsigned int *)&raw_block[FAT_BYTES_PER_SECTOR]; partition.bytes_per_sector = *pi++; partition.sectors_per_cluster ...
What does this message means..

I am using a atmel 89s8252 controller which has 8k flash, 2k eeprom, and 256 ram.. I am using the evaluation version of the keil.. My question is would my program be compiled if i were to use the...
What does this instruction do?

In the ARMv7-A/R ARM Issue C I found two instructions with odd encoding: PUSH and POP, encoding A2. What's the Rt's role? I guess Rt and 'registers'-bitlist needs to match? Encoding A2 ARMv4*, ARMv5T...