vector_table_copy.asm

来自「我最初用TMS320F240芯片作开发」· 汇编 代码 · 共 32 行

;*********************************************************************************************************;
;* TMS320F2810 Assembly Language File                                                                    *;
;* The Assembly Language File For Copying PIE Vector Table to Section "PIE_VECT"     Version number: 1.0 *;
;*                                                                                                       *;
;* File name : Vector_Table_Copy.ASM                                                                     *;
;* Date/Time created: Jan 23 2006                                                                        *;
;* Author: Anakin.Lee                                                                                    *;
;*********************************************************************************************************;

;********************* Define Symbol ********************;
           .def  _Vector_Table_Copy       ;声明该符号在该文件定义,在外部使用
           .text                          ;汇编到.text段

;******************** Function Begin ********************;
_Vector_Table_Copy:

            EALLOW

            MOVL XAR7,#0x3F7E80           ;PIE Vector Table Buffer Firest Address
            MOVL XAR6,#0xD00              ;PIE Vector Table RAM Firest Address
            MOV @AR0,#127                 ;loop degree saved AR0

loop:       MOVL ACC,*XAR7++
            MOVL *XAR6++,ACC
            BANZ loop,AR0--

            EDIS
            LRETR                         ;return

;************** end of function Delay_us() **************;

           .end                           ;end of file Delay_us.asm