試編寫MCS-51單片機程序，計算∑i，I=1~100。

參考單片機匯編語言程序：

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