网站空间管理平台,青岛网站设计建设,wordpress 改错域名,中企动力科技做什么的输入两个数#xff0c;如果第一个数为偶数第二个数为奇数#xff0c;互换位置#xff1b;如果两个数都是奇数#xff0c;则两个数都加一
程序运行#xff1a; 代码#xff1a; datas segmentA dw 0 B dw 0a_string db 0ffh, 0 ,100h dup(?)b_string …输入两个数如果第一个数为偶数第二个数为奇数互换位置如果两个数都是奇数则两个数都加一
程序运行 代码 datas segmentA dw 0 B dw 0a_string db 0ffh, 0 ,100h dup(?)b_string db 0ffh, 0 ,100h dup(?)inputA db input A$inputB db 0dh,0ah,input B$error_number db 0dh,0ah,error number$outputA db 0dh,0ah,A$outputB db 0dh,0ah,B$datas endsstacks segment stackdb 100h dup(?)stacks endscodes segmentassume cs:codes,ds:datas,ss:stacks
main proc far
start:push dsmov ax,0hpush axmov ax,datas ;初始化dsmov ds,ax;输入a提示lea dx,inputAmov ah,9int 21h;输入alea dx,a_stringmov ah,10int 21h;a转成十进制数lea si,a_string1call translate_to_numbermov A,ax;输入b提示lea dx,inputBmov ah,9int 21h;输入blea dx,b_stringmov ah,10int 21h;b转成十进制数lea si,b_string1call translate_to_numbermov B,ax;将A、B移至ax,bxmov ax,Amov bx,Btest ax,1 ;判断ax是否为偶数jz even_number ;若为偶数跳转test bx,1 ;判断bx是否为偶数jz next ;若为偶数跳转inc ax ;否则axbx inc bx jmp next ;跳转even_number:test bx,1 ;判断bx是否为偶数jz next ;若为偶数跳转xchg ax,bx ;将奇数移至axnext:mov A,ax ;保存axbxmov B,bx lea dx,outputA ;输出A、Bmov ah,9int 21hmov ax,Acall decimallea dx,outputBmov ah,9int 21hmov ax,Bcall decimalretmain endp;字符串转换为十进制数
translate_to_number proc near ;si:lenght firstpush cx push dx push bx push si push di mov di,10mov ax,0mov cl,[si]mov ch,0 cmp cx,0 jz errinc sitran:mov bl,[si]inc sicmp bl,0jb errcmp bl,9ja err sub bl,30hxor bh,bh mul di add ax,bx loop tranjmp exiterr:lea dx,error_numbermov ah,9int 21h mov ax,4c00hint 21hexit:pop di pop si pop bx pop dxpop cx ret
translate_to_number endpdecimal proc nearpush axpush cxpush dxpush bxcmp ax,0jge plusmov bx,axmov dl,-mov ah,2int 21hneg bxmov ax,bxplus:mov cx,0mov bx,10de:xor dx,dxdiv bxpush dxinc cxcmp ax,0jnz dede1:pop dxadd dl,30hmov ah,2 int 21h loop de1 pop bxpop dxpop cxpop axret decimal endpcodes endsend main
