微機(jī)原理與接口技術(shù)(清華第二版)第四章作業(yè)(參考版)
2025-07-02 13:19本頁(yè)面
【正文】 MOV AH,02H INT 21H INC BX DATA SEGMENT BUF DB 10,68,105,7,28 NUM EQU $BUF CONST DW 10000,1000,100,10,1 DECS DB 5 DUP(0) ADR DB ?DATA ENDSSTACK SEGMENT STACK DB 100H DUP(?)STACK ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA,SS:STACKSTART:MOV AX,DATA MOV DS,AX MOV CX,NUM MOV ADR,0 DEC CXLOOP CONV3 MOV AH,02H MOV CX,5 LEA DI,DECSCONV4: MOV DL,[DI] CMP DL,30H JZ NODIS JMP DISPNODIS: INC DI LOOP CONV4DISP: INT 21H CMP CX,0 JZ QUIT INC DI MOV DL,[DI] LOOP DISPQUIT: POP CX POP BX POP AX RETDISPLAY ENDPCODE ENDS END STARTLOOP OK1 MOV AH,4CH INT 21HDISPLAY PROC NEAR PUSH AX PUSH BX PUSH CX MOV CX,5 LEA SI,CONST LEA DI,DECSCONV3: MOV BL,0LOP: SUB AX,[SI] JC NEXT INC BL JMP LOPNEXT: ADD AX,[SI] OR BL,30H MOV [DI],BL INC SI INC SI INC DI。AGAIN:MOV AL,[SI] CMP AL,0 JGE LOP NEG ALLOP: CMP AL,BL JBE LOP1 XCHG AL,BLLOP1: INC SI LOOP AGAIN AD
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