武大電氣計(jì)算機(jī)與通信綜合實(shí)驗(yàn)-資料下載頁
2025-06-29 15:08本頁面
【正文】 NEXT1NEXT3: INC AHJMP NEXT2NEXT4: MOV [COUNT], AH HLT實(shí)驗(yàn)結(jié)果： 從BUF1 的20個(gè)無符號數(shù)中，取出其最大最小值，并計(jì)算其平均值，分別存放在BUF2中。程序流程圖：開始取出第一個(gè)數(shù)據(jù)置為最大、最小值取出下一個(gè)數(shù)據(jù)置為最大值初始數(shù)據(jù)預(yù)備大于最大值？置為最小值小于最小值？CX=0?實(shí)驗(yàn)代碼：rg 100hjmp startBUF1 db 3, 2, 4, 8, 7, 4, 8, 8, 4, 2, 6, 3, 4, 8, 8, 2, 3, 3, 5, 8BUF2 db 0, 0, 0start: lea si, BUF1 lea di, BUF2mov cx, 20mov ah, [si] mov al, [si] mov bh, 0next1:mov bl, [si]add bh, bl cmp ah, bljc change1 next2:cmp al, bl jnc change2 next3:inc siloop next1 mov [di], ah mov [di+1], almov bl, 20 mov al, bhmov ah, 0div blmov [di+2], al mov ah, 2 mov al, [di]add al, 30Hmov dl, alint 21h mov al, 39。 39。mov dl, alint 21h mov al, [di+1]add al, 30Hmov dl, alint 21h mov al, 39。 39。mov dl, alint 21hcall show hltshow:mov al, [di+2]shr al, 1 shr al, 1shr al, 1shr al, 1 mov bl, alsub al, 0AH call shownummov al, [di+2]and al, 0FH mov bl, alsub al, 0AH call shownumretchange1: xchg ah, bljmp next2change2: xchg al, bljmp next3shownum:show1:jnc show2mov ah, 2 mov al, bladd al, 30Hmov dl, alint 21hover:ret show2:mov ah, 2 mov al, bladd al, 37Hmov dl, alint 21hjmp over ret實(shí)驗(yàn)結(jié)果：1
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