readflashword.asm

来自「ADI 公司的DSP ADSP21369 EZ-KIT LITE开发板的全部源代」· 汇编 代码 · 共 18 行

/* This program reads the word from parallel flash
Input - External_Byte_Address
Output - Word_Read_In*/

#include <def21369.h>
.global READ_FLASH_WORD;
.extern Word_Read_In, External_Byte_Address;

.section/pm seg_pmco;

READ_FLASH_WORD:

    i4 = dm(External_Byte_Address);
    r0 = dm(0,i4);
    dm(Word_Read_In) = r0;

READ_FLASH_WORD.END:
    rts;