1、精選優(yōu)質(zhì)文檔-傾情為你奉上實(shí)驗(yàn)一：判斷一個數(shù)X的正，負(fù)數(shù)，還是零。（假設(shè)是正數(shù)，輸出+，是負(fù)數(shù)，輸出-，是零，輸出This is a zore !）DATA SEGMENTX DB 10CR EQU 0DHLF EQU 0AHW DB 'This is a zore!',CR,LF,'$'ZHENG DB '+',CR,LF,'$'FU DB '-',CR,LF,'$'DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV

2、DS,AX MOV AL,X AND AL,AL JZ L1 SHL AL,1 JC L3 JMP L2L1: MOV DX,OFFSET W MOV AH,9 INT 21H JMP L4L2: MOV DX,OFFSET ZHENG MOV AH,9 INT 21H JMP L4L3: MOV DX,OFFSET FU MOV AH,9 INT 21H JMP L4L4: MOV AH,4CH INT 21HCODE ENDS END START 實(shí)驗(yàn)二：求十個數(shù)中的最小數(shù)，并以十進(jìn)制輸出。（若要求最大的，只要把JC 改為JNC 即可）（僅局限于0-16間的數(shù)比較,因?yàn)锳DD AL,30H

3、只是針對一位的十六進(jìn)制轉(zhuǎn)換十進(jìn)制的算法）DATA SEGMENTXDAT DB 0AH,1FH,02H,03H,04H,05H,06H,07H,08H,09HMIN DB ?CR EQU 0DHLF EQU 0AHW DB ' is min',CR,LF,'$'DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV DS,AX MOV CX,9 MOV SI,OFFSET XDAT MOV AL,SIL2: CMP AL,SI+1 JC L1 MOV AL,SI+1L1: INC SI

4、LOOP L2 ADD AL,30H MOV DL,AL MOV AH,2 INT 21H MOV DX,OFFSET W MOV AH,9 INT 21HCODE ENDS END START實(shí)驗(yàn)三：設(shè)有3個單字節(jié)無符號數(shù)存放在BUF開始的緩沖區(qū)中，編寫一個能將它們從大到小從新排列的程序。DATA SEGMENT BUF DB 87,234,123DATA ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV DS,AX MOV SI,OFFSET BUF MOV AL,SI ;把3個數(shù)取到寄存器中 MOV BL,SI+1

5、MOV CL,SI+2 CMP AL,BL ;排序，將最大數(shù)送AL寄存器 JAE NEXT1 XCHG AL,BLNEXT1:CMP AL,CL JAE NEXT2 XCHG AL,CLNEXT2:CMP BL,CL ;將最小輸送CL寄存器 JAE NEXT3 XCHG BL,CLNEXT3:MOV SI,AL ;從大到小依次存回緩沖區(qū)，AL,BL,CL MOV SI+1,BL MOV SI+2,CL MOV AH,4CH INT 21HCODE ENDS END START實(shí)驗(yàn)三（2）：設(shè)某一數(shù)組的長度為N，個元素均為字?jǐn)?shù)據(jù)，試編制一個程序使該數(shù)組中的數(shù)據(jù)按照從小到大的次序排列。（要從大到小

6、排序，只需把JBE改為JAE即可）ADATA SEGMENT N EQU 10 DATA DW 87,54,78,45,35,23,04H,12H,03H,21H ADATA ENDSACODE SEGMENT ASSUME CS:ACODE,DS:ADATA START:MOV AX,ADATA MOV DS,AX MOV DS,AX MOV BX,0 MOV CX,N DEC CX LOP1: MOV DX,CX LOP2: MOV AX,DATABX CMP AX,DATABX+2 JBE CONTI XCHG AX,DATABX+2 MOV DATABX,AX CONTI: ADD B

7、X,2 LOOP LOP2 MOV CX,DX MOV BX,0 LOOP LOP1 MOV AH,4CH INT 21H ACODE ENDSEND START 實(shí)驗(yàn)四：求十個數(shù)中的最小數(shù)，并以十六進(jìn)制輸出。（若要求最大的，只需把JC 改為JNC 即可）DATA SEGMENTXDAT DB 0AH,1FH,0FH,0FH,0EH,0BH,0CH,0DH,0EH,0CHTAB DB 30H,31H,32H,33H,34H,35H,36H,37H,38H,39H,41H,42H,43H,44H,45H,46HMIN DB ?CR EQU 0DHLF EQU 0AHW DB ' is m

8、in',CR,LF,'$'DATA ENDSSSEG SEGMENT STACK DW 100 DUP(?)SSEG ENDSCODE SEGMENT ASSUME CS:CODE,DS:DATASTART:MOV AX,DATA MOV DS,AX MOV CX,9 MOV SI,OFFSET XDAT MOV AL,SIL2: CMP AL,SI+1 JC L1 MOV AL,SI+1L1: INC SI LOOP L2CALL DISPP MOV DX,OFFSET W MOV AH,9 INT 21H MOV AH,4CH INT 21H DISPP PROC NEAR PUSH DX PUSH CX MOV DL,AL MOV CL,4 ROL DL,CL AND DL,0FHCALL DISP1 MOV DL,AL AND DL,0FHCALL DISP1 POP CX POP DXRETDISPP ENDPDISP1 PROC NEAR PUSH AX PUSH BX PUSH CX PUSH DX MOV AL,