试编写MCS-51单片机程序，计算∑i，I=1~100
时间：2018-12-05 17:20:01
[导读]试编写MCS-51单片机程序，计算∑i，I=1~100。参考单片机汇编语言程序：org000hljmpmainorg030hmain:mov 45h,#011hmov 46h,#022hmov 47h,#033hmov 48h,#044hmov 49h,#00hmov r0,#45hmov r7,#5mov r6,#4acallyiweisjmp
试编写MCS-51单片机程序，计算∑i，I=1~100。
参考单片机汇编语言程序：
org000h
ljmpmain
org030h
main:mov 45h,#011h
mov 46h,#022h
mov 47h,#033h
mov 48h,#044h
mov 49h,#00h
mov r0,#45h
mov r7,#5
mov r6,#4
acallyiwei
sjmp $
yiwei:clr c
loop2:mov a,@r0
rrc a
mov @r0,a
inc r0
djnzr7,loop2
movr0,#45h
movr7,#5
djnzr6,yiwei
ret
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