汇编程序_免费下载.doc

1. 编制程序计算s=1+2*3+3*4+4*5+.+N(N+1)+.直到N(N+1)大于200为止，并将结果由屏幕上显示出来。data segments dw 1data endscode segmentassume cs:code,ds:datastart:mov ax,datamov ds,axmov bl,2next:mov al,blinc blmul bl add s,axcmp ax,200jbe nextmov ax,smov ch,4lop:mov cl,4rol ax,clmov bx,axand ax,000fhmov dl,alcmp dl,9jbe next1add dl,07hnext1: add dl,30hmov ah,2int 21hdec chjz stomov ax,bxjmp lopsto: mov ah,4chint 21hcode ends end start2. 将字形变量X以二进制数的形式在屏幕上显示出来DATA SEGMENT X dW 583AH DATA ENDSCODES SEGMENT ASSUME CS:CODES,DS:DATASTART: MOV AX,DATA MOV DS,AX MOV CX,16 MOV BX,XNEXT:ROL BX,1 MOV DL,BL AND DL,01H ADD DL,30H MOV AH,2 INT 21H LOOP NEXT MOV AH,4CH INT 21HCODES ENDS END START3. 将内存单元缓冲区中的8位符号数（20个）按从小到大的顺序排列，并以十六进制数的形式显示DSEG SEGMENTMEM DB 56H,85H,38H,0DH,12H,32H,0FEH,04H,0F3H,6EH,7AH,0D4H,75H,0C6H,0DDH,4EH,00H,3BH,21H,0F2HS DB -$W DB H$DSEG ENDSSSEG SEGMENT STACK STACKDB 10 DUP(?)SSEG ENDSCODE SEGMENT ASSUME CS:CODE, DS:DSEG,SS:SSEGSTART: MOV AX, DSEG MOV DS, AXMOV AX,SSEGMOV SS,AX LEA DI, MEMMOV BL,19NEXT1: MOV SI,DI MOV CL, BLNEXT2: MOV AL, SI INC SI CMP AL, SI JL NEXT3 MOV DL,SIMOV SI-1,DLMOV SI,ALNEXT3: LOOP NEXT2 DEC BL JNZ NEXT1LEA SI,MEMMOV CX,20LOP:PUSH CXMOV AL,SIMOV BL,ALMOV CL,4ROR AL,CLAND AL,0FHCMP AL,9JBE NEXT6ADD AL,37HMOV DL,ALMOV AH,2INT 21HJMP NEXT5NEXT6: ADD AL,30HMOV DL,ALMOV AH,2INT 21HNEXT5:AND BL,0FHCMP BL,9JBE NEXT4ADD BL,37HMOV DL,BLMOV AH,2INT 21HJMP STONEXT4: ADD BL,30H MOV DL,BLMOV AH,2INT 21HSTO: LEA DX,WMOV AH,9INT 21HLEA DX,SMOV AH,9INT 21H INC SIPOP CXLOOP LOPMOV AH, 4CH INT 21HCODE ENDS END START4. 编制程序计算s=1+2+3+.+N,并将结果由屏幕上显示出来。（要求：在屏幕上显示提示信息，提示输入N,N用十六进制表示，且N小于0FH,用子程序实现（段内），将输入的结果用十六进制数输出显示，显示结果的程序用子程序是实现（段间）data segments db please input N: $,0dh,0ah,$w db h$N db ?sum db 0data endscode segmentassume cs:code,ds:dataoutput proc farstart:mov ax,datamov ds,axcall inputmov N,almov bl,Ncmp bl,9jbe nextsub bl,7hnext: sub bl,30hmov bh,0mov cx,bxmov bl,1lopm1: add sum,bl inc bl loop lopm1mov ah,2mov dl,13int 21hmov dl,10int 21hmov bl,summov al,blmov cl,4 ror al,cl and al,0fhcmp al,9jbe next3add al,7hnext3: add al,30hmov dl,almov ah,2int 21hand bl,0fhcmp bl,9jbe next2add bl,7hnext2: add bl,30hmov dl,blmov ah,2int 21hlea dx,wmov ah,9int 21h mov ah,4chint 21houtput endpinput proc lea dx,smov ah,9int 21hmo