a19-1.asm

汇编语言的设计

STACK SEGMENT STACK
      DW 256 DUP(?)
STACK ENDS

DATA  SEGMENT
TABLE 	 DB 01H,03H,02H,06H,04H,0CH,08H,09H  
DATA   ENDS

CODE SEGMENT
     ASSUME  CS:CODE,DS:DATA

START:  MOV     AX,DATA
        MOV     DS,AX

MAIN:   MOV 	AL,90H              
	OUT 	63H,AL
A1:	MOV 	BX,OFFSET TABLE
        MOV 	CX,0008H                          	
A2:	MOV	AL,[BX]              
	OUT	61H,AL
	CALL	DALLY                  
	INC	BX                                      
	LOOP	A2
	JMP	A1
DALLY:	PUSH	CX                   
	MOV 	CX,5000H
A3:	PUSH	AX
	POP	AX
	LOOP	A3
	POP	CX
	RET	
CODE  ENDS
      END START