test.asm

这是接口课程设计时做的一个控制电机转动的程序

DATA SEGMENT PUBLIC
	
	sequnce DB 05H,0CH,0AH,03H	;the driver of stepping motor
	index DB 01H		;the index of array 
	
DATA ENDS

CODE SEGMENT PUBLIC
	ASSUME CS:CODE,DS:DATA
	
	main PROC NEAR
		start:						
			MOV AX,DATA
 			MOV DS,AX
			next:
				;MOV BX,OFFSET index
				;MOV BX,SEG index
				
				MOV AL,index	
				MOV SI,WORD PTR index	;输出数据进行转动
				MOV AL,sequnce[SI]	
									
				JMP next
			exitMain:
				NOP
	main ENDP
CODE ENDS 
	END START