【文章內(nèi)容簡介】 CMP AH,[BX] JZ NO_BX 。inc bx INC BX NO_BX: MOV [BX],AL MOV AH,3DH CMP AH,AL JNZ NO_OVER SUB AL,25 。transplant 39。=39。 to 39。$39。 MOV [BX],AL JMP OVER NO_OVER: JMP READ MULT PROC NEAR 。mult data*10,add up PUSH DX PUSH CX PUSH AX MOV AH,0 CMP [BX],AH JZ NO_INC_BX MOV AH,30H CMP [BX],AH JNB NO_INC_BX INC BX NO_INC_BX: MOV DX,0 MOV CX,10 MOV AH,[BX] CMP AH,30H JB NO_SUB SUB AH,30H NO_SUB: MOV [BX],AH NEXT: ADD DX,[BX] LOOP NEXT SUB AL,30H 。tras to decimal ADD DL,AL MOV [BX],DL MOV AH,[BX] ADD AH,30H MOV [BX],AH POP AX POP CX POP DX RET MULT ENDP 。 。end of read OVER: CALL NEAR PTR TRANS 。the outlet of the program OVER1: CALL NEAR PTR VALUE 。jmp instead of ret in procedure trans OVER2: CALL NEAR PTR PRINT OVER3: MOV AH,9 MOV DX,OFFSET MSG5 INT 21H MOV AH,8 INT 21H CMP AL,1BH JZ OVER4 MOV CX,210 MOV BX,OFFSET STRI MOV AL,0 OVER_LOOP: MOV [BX],AL INC BX LOOP OVER_LOOP MOV AH,2 MOV DL,0DH INT 21H MOV DL,0AH INT 21H JMP START OVER4: MOV AH,4CH INT 21H 。 。trans TRANS PROC NEAR 。 PUSH AX PUSH BX PUSH CX PUSH DX PUSH SI PUSH DI XOR CX,CX MOV BX,OFFSET STRI MOV SI,OFFSET EXP MOV DI,OFFSET TRACK TRANS_WHILE: MOV AL,[BX] INC BX MOV AH,24H 。39。$39。 CMP AH,AL JZ TRANS_OVER 。end with 39。=39。 MOV AH,2FH 。judge L digital CMP AH,AL JNB NO_DIGITAL MOV [SI],AL INC SI JMP TRANS_WHILE NO_DIGITAL: MOV AH,28H 。judge L 39。(39。 CMP AH,AL JNZ NO_9 MOV [DI],AL 。push al INC DI JMP TRANS_WHILE NO_9: MOV AH,29H 。judge L 39。)39。 CMP AH,AL JNZ NO_0 POP_WHILE: DEC DI MOV AL,[DI] 。 pop al MOV AH,28H CMP AH,AL JZ OVER_POP_WHILE MOV [SI],AL INC SI JMP POP_WHILE OVER_POP_WHILE: 。mov al,dl JMP TRANS_WHILE