用DSP编制主程序，求出下列公式中z的值z=(x+y)×8-w
\u4e0a\u4f4d\u673a\u5f00\u53d1\u6559\u7a0b-\u96f6\u57fa\u7840\u5165\u95e8\u5230\u7cbe\u901a title"ex41.asm"
.mmregs
STACK
.usect
"STACK",
10H
.bss
x,1
.bss
y,1
.bss
w,1
.bss
z,1
.def
_c_int00
.data
table:
.word
6,7,9
.text
_c_int00:
STM
#0,
SWWSR
;插入0个等待状态
STM
#STACK+10H,
SP
;设置堆栈指针
STM
#x,
AR1
;AR1指向x
RPT
#2
MVPD
table,
*AR1+
;
从程序存储器传送3个值到数据存储器
LD
@x,A
ADD
@y,A
;A=x+y
LD
A,3
;A=(x+y)*8
SUB
@w,
A
;A=(x+y)*8-w
STL
A,
@z
end:
B
end
.end
绛旓細浠绋嬪簭瀛樺偍鍣ㄤ紶閫3涓煎埌鏁版嵁瀛樺偍鍣 LD x,A ADD y,A ;A=x+y LD A,3 ;A=(x+y)*8 SUB w,A ;A=(x+y)*8-w STL A,z end:B end .end
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