Area - Used to define a code segment or data segment align - to make the current location to satisfy the current location to define the code segment CODE32 - used to indicate the compiler of the compiler by adding the patch extage The command is 32-bit ARM instructions DATA-is used to define data segments DCD - used to assign a word memory unit, and initialize END in the expression in the pseudo instruction to indicate the assembly compiler source file has ended Entry - The entry point EQU for specifying the program is used for digital constants, the register-based value and the labeling numerals in the program are used to declare a symbol can be referenced by other files to ... Else ... ENDIF - Used for conditions assembly import - is used to indicate that the compiler The current symbol is not defined in the present source file, but is defined in other source files, which may reference the symbol INCLUDE in this source file. A source file contains in the current source file and will be included in its current location to process LDR - Used to load 32 bits immediately or an address value to the specified register LTORG - used to declare a text pool Macro ... mend - Used for macro definition noint - Used to specify that this data segment only retains the memory unit, without initializing readOrthly-, is used to specify this paragraph as read-only, is the default attribute Space of the code segment - Used to allocate a memory unit and initialize 0
