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TITLE integer summation Program | |
; | |
; | |
; | |
; | |
INCLUDE Irvine32.inc | |
INTERGER_COUNT = 3 | |
.data | |
str1 byte "enter a signe integer:",0 | |
str2 byte "the sum of the integers is:",0 | |
array dword INTERGER_COUNT dup(?) | |
;************************************************************ | |
;temp: esi:数组的首地址,长度为4个字节 | |
; ecx:数组元素个数 | |
;************************************************************ | |
.code | |
main PROC | |
call clrscr | |
mov esi,offset array | |
mov ecx,INTERGER_COUNT | |
call promptforintegers | |
call arraysum | |
call displaysum | |
exit | |
main ENDP | |
;----------------------------------------------- | |
; 输入数字 | |
;----------------------------------------------- | |
promptforintegers PROC USES ecx edx esi | |
mov edx,offset str1 | |
L1: | |
call writestring | |
call readint | |
call crlf | |
mov [esi],eax | |
add esi,type dword | |
loop L1 | |
ret | |
promptforintegers ENDP | |
;-------------------------------------------------------- | |
; 求和 | |
arraysum PROC USES esi ecx edx | |
mov edx,0 | |
L1: | |
add edx,[esi] | |
add esi,type dword | |
loop L1 | |
mov eax,edx | |
ret | |
arraysum ENDP | |
;--------------------------------------------------------- | |
;---------------------------------------------------------- | |
; 显示和 | |
displaysum PROC USES edx | |
;---------------------------------------------------------- | |
mov edx,offset str2 | |
call writestring | |
call writeint | |
call crlf | |
ret | |
displaysum ENDP | |
;---------------------------------------------------------- | |
end main |
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