DSP原理与应用-B卷[答案] 下载本文

I12O10VI5O院(系)_________________专业_______________________班级___________姓名__________________学号_________________

U1FU1H????????密?????????封????????线??????????

2.编写汇编程序,建立数组x??1,2,3,4,5,6,7,8,9?,并从x中读数据到y,使得y??1,4,7?。 (至少需写出关键指令与伪指令步骤)

(正确写出程序关键步骤就给满分,其余情况酌量给分)

.title “ read_data.asm”

.mmregs

.bss x,9 .bss y,3 .data

table: .word

.text

start: STM STM STM RPTZ MVPD RPT MVDD

end: B .end

#3, AR0 #x, AR1 #x, AR2 A, #8

table, *AR2+ ; #2

*AR1+0, *AR2+ ; end establish vector x and then AR2 point to y

copy data from x to y

B卷 (第5页 共5页)

1,2,3,4,5,6,7,8,9