組合語言的簡單入門--Loop and output,input

程式的目的：將13個隨機數[0-100）儲存在數組裡面，翻轉，輸出。

TITLE Write a program
INCLUDE Irvine32.inc.data
ARRAY_SIZE = 13RAND_MAX = 100HALF_ARRAY_SIZE = ARRAY_SIZE/2rands DWORD ARRAY_SIZE dup(0)
 .codemain PROC
mov esi,offset rands                     ;address to the randsmov ecx,lengthof rands                   ;calculate the size of arrayL1: mov eax,RAND_MAX                     ;for random the maxinum number call RandomRange         ;call this function mov [esi],eax                   ;set the element that is save in EAX to [esi] add esi,TYPE rands                   ;point to next element loop L1 mov esi,offset rands      ;address to the randsmov ecx,lengthof rands                   ;calculate the size of array
L2: mov eax,[esi]                        ;put the [esi] to eax for outputing call writeint mov eax,' '                          ;output the space call writechar add esi,TYPE rands                   ;point to next pointer
 loop L2 call crlf
 
mov esi,offset randsmov ecx,HALF_ARRAY_SIZEmov eax,48L3: mov ebx,[esi]                 ;put the first element to ebx mov ebp,[esi + eax]           ;put the last element to ebp mov [esi + eax],ebx           ;exchange the element mov [esi],ebp  sub eax,8                     ;for changeing the pointer add esi,TYPE rands loop L3  
mov esi,offset randsmov ecx,ARRAY_SIZE                                            ;for outputing                 ;L4: mov eax,[esi] call writeint mov eax,' ' call writechar add esi,TYPE rands loop L4  call crlf  call waitmsg
exitmain ENDPEND main