DB 0AH, 0BH, 0CH, 0DH, 0EH, 0FHTABLE ENDSCOSEG SEGMENT ASSUME (1) START: MOV AX , (2) MOV DS , AX MOV CX , 10H MOV BX , OFFSET TAB_DA MOV SI , OFFSET TAB_HEXNEXT: MOV (3) , [SI] XLAT TAB_DA MOV (4) , AL MOV AH , 02H INT 21H MOV DL , 00H ;显示空格 ...
.stack .model small.stack 100H.codemain proc far主程序入口Start:push dx mov ax,0 push axmov ah,01Hint 21Hcmp al,61Hjl lop1cmp al,7BHjge lop1sub al,20Hmov dl,allop1:mov ah,2int 21Hret End start
INT 21H EXIT:MOV AH,4CH INT 21H CODE ENDS END BEG (注:(1)不能有多余的空格,例:操作码和操作数之间空格只有一位;操作数和操作数之间不能有空格。(2)字符全部大写,并且为半角字符。(3)指令之间用一个空格分开 答案: DX,BUF BUF+1 BYTE PTR [BX+SI]或DX,BUF BUF+1 BYTE PTR [BX+SI]... 点...
MOV DS,AX MOV CX,(5) MOV SI,0 (6) NEXT:MOV AL,SECOND[SI] ADC FIRST[SI],AL INC SI LOOP NEXT MOV AL,0 ADC AL,(7)0 MOV FIRST[SI],AL MOV AH,4CH INT 21H CODEENDS END START 请选择正确的答案填入空格中: (1)A)8AHB)0BH C)D7H D)05H (2)A)8AHB)0BH C)D7H D)05H ...