;程序名：LOOP.ASM
;功能：從鍵盤輸入一個5*7的矩陣，輸出一個用B表示的王字來
MLENGTH EQU 35
DATA SEGMENT
BUFFER DB MLENGTH,'$';設置緩沖區
STR DB 'Now,you can input values to a 5*7 matrix:',0DH,0AH,'$'
STRING DB 'Please input a value:',0DH,0AH,'$'
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START:
   MOV AX,DATA
   MOV DS,AX
   MOV DX,OFFSET STR
   MOV AH,09H
   INT 21H
   MOV BX,OFFSET BUFFER
   MOV DI,5
NEXT:
   MOV SI,7
   XOR CX,CX
   MOV CX,SI
AE:
   MOV DX,OFFSET STRING
   MOV AH,09H
   INT 21H
   MOV AH,01H
   INT 21H
   MOV [BX],AL
   INC BX
   LOOP AE
   DEC DI
   CMP DI,0
   JA NEXT
   MOV DL,0DH
   MOV AH,02H
   INT 21H
   MOV DL,0AH
   MOV AH,02H
   INT 21H
   MOV DI,5
   ;DEC DI
   MOV BX,OFFSET BUFFER
BE:
   MOV SI,7
   XOR CX,CX
   MOV CX,SI
PUT:
   MOV DL,[BX]
   MOV AH,02H
   INT 21H
   INC BX
   LOOP PUT
   JMP HUI
FAN:
   DEC DI
   CMP DI,0
   JA BE
   JMP LAST
HUI:
   MOV DL,0DH
   MOV AH,02H
   INT 21H
   MOV DL,0AH
   MOV AH,02H
   INT 21H
   JMP FAN
LAST:
   MOV AX,4C00H
   INT 21H
CODE ENDS
   END START