Question

计算1+2+……n=?,其中n通过键盘输入.要求用汇编语言中的循环程序设计来实现.

Answer 1

;1to100

include io32.inc

.data

msg1 byte 'Please input a number(1350):',0

msg2 byte 'This sum is:',0

.code

start:

mov eax,offset msg1

call dispmsg

call readsid

mov ecx,eax

mov eax,0

again:add eax,ecx

loop again

push eax

mov eax,offset msg2

call dispmsg

pop eax

call dispsid

exit 0

end start