Introduction - If you have any usage issues, please Google them yourself
The ARM assembler FEATURES: l all arithmetic processing is a general-purpose registers (R0 ~ R14) is generally among all memory space (such as the nature of the C language variable is a memory space on several BYTE).' s Value processing are to be transferred to the general-purpose registers to complete a large number to see the LDR, STR instruction code to send value l ARM assembler statements often implied the use of a result of the execution of the current statement and on a The execution result is placed in the CPSR (such as binary, to 0, negative, ...)