• ARMCC: Bitwise Vs half word access
    I was under the impression that the compiler would generate same code for read and write operation on the members of the following structure: typedef struct S32data_t { uint32_t a:16; uint32_t b:16;...
  • Divide one word by one byte
    Hello everyone !!! Sorry for my english,i speak french !!! I program with the A51 assembler! I do not manage to make a division of a word by one byte. Somebody would have it a solution to come...
  • Single instruction to mask off upper half word of register
    Note: This was originally posted on 3rd December 2012 at http://forums.arm.com Hi, I've been looking around for a single Arm instruction that takes the word stored in a general purpose register and masks...
  • How to Split the 16bit word?
    Hi! i want to spilt the 16bit word into two 8bit words, is there any key words for it. i use the p89V51 mcu and c language Cx51 keil compiler ver3. regards, K.T.Venkatesan.
  • Strange key words
    C166 has key words such as line , inline , ident , error . What does it means?